OpenCoverage

split.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/coreutils/src/src/split.c

Source code

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1 /* split.c -- split a file into pieces. -

3 -

4 This program is free software: you can redistribute it and/or modify -

5 it under the terms of the GNU General Public License as published by -

6 the Free Software Foundation, either version 3 of the License, or -

7 (at your option) any later version. -

8 -

9 This program is distributed in the hope that it will be useful, -

10 but WITHOUT ANY WARRANTY; without even the implied warranty of -

11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -

12 GNU General Public License for more details. -

13 -

14 You should have received a copy of the GNU General Public License -

15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ -

16 -

17 /* By tege@sics.se, with rms. -

18 -

19 TODO: -

20 * support -p REGEX as in BSD's split. -

21 * support --suppress-matched as in csplit. */ -

22 #include <config.h> -

23 -

24 #include <assert.h> -

25 #include <stdio.h> -

26 #include <getopt.h> -

27 #include <signal.h> -

28 #include <sys/types.h> -

29 #include <sys/wait.h> -

30 -

31 #include "system.h" -

32 #include "die.h" -

33 #include "error.h" -

34 #include "fd-reopen.h" -

35 #include "fcntl--.h" -

36 #include "full-write.h" -

37 #include "ioblksize.h" -

38 #include "quote.h" -

39 #include "safe-read.h" -

40 #include "sig2str.h" -

41 #include "xbinary-io.h" -

42 #include "xdectoint.h" -

43 #include "xstrtol.h" -

44 -

45 /* The official name of this program (e.g., no 'g' prefix). */ -

46 #define PROGRAM_NAME "split" -

47 -

48 #define AUTHORS \ -

49 proper_name ("Torbjorn Granlund"), \ -

50 proper_name ("Richard M. Stallman") -

51 -

52 /* Shell command to filter through, instead of creating files. */ -

53 static char const *filter_command; -

54 -

55 /* Process ID of the filter. */ -

56 static int filter_pid; -

57 -

58 /* Array of open pipes. */ -

59 static int *open_pipes; -

60 static size_t open_pipes_alloc; -

61 static size_t n_open_pipes; -

62 -

63 /* Blocked signals. */ -

64 static sigset_t oldblocked; -

65 static sigset_t newblocked; -

66 -

67 /* Base name of output files. */ -

68 static char const *outbase; -

69 -

70 /* Name of output files. */ -

71 static char *outfile; -

72 -

73 /* Pointer to the end of the prefix in OUTFILE. -

74 Suffixes are inserted here. */ -

75 static char *outfile_mid; -

76 -

77 /* Generate new suffix when suffixes are exhausted. */ -

78 static bool suffix_auto = true; -

79 -

80 /* Length of OUTFILE's suffix. */ -

81 static size_t suffix_length; -

82 -

83 /* Alphabet of characters to use in suffix. */ -

84 static char const *suffix_alphabet = "abcdefghijklmnopqrstuvwxyz"; -

85 -

86 /* Numerical suffix start value. */ -

87 static const char *numeric_suffix_start; -

88 -

89 /* Additional suffix to append to output file names. */ -

90 static char const *additional_suffix; -

91 -

92 /* Name of input file. May be "-". */ -

93 static char *infile; -

94 -

95 /* stat buf for input file. */ -

96 static struct stat in_stat_buf; -

97 -

98 /* Descriptor on which output file is open. */ -

99 static int output_desc = -1; -

100 -

101 /* If true, print a diagnostic on standard error just before each -

102 output file is opened. */ -

103 static bool verbose; -

104 -

105 /* If true, don't generate zero length output files. */ -

106 static bool elide_empty_files; -

107 -

108 /* If true, in round robin mode, immediately copy -

109 input to output, which is much slower, so disabled by default. */ -

110 static bool unbuffered; -

111 -

112 /* The character marking end of line. Defaults to \n below. */ -

113 static int eolchar = -1; -

114 -

115 /* The split mode to use. */ -

116 enum Split_type -

117 { -

118 type_undef, type_bytes, type_byteslines, type_lines, type_digits, -

119 type_chunk_bytes, type_chunk_lines, type_rr -

120 }; -

121 -

122 /* For long options that have no equivalent short option, use a -

123 non-character as a pseudo short option, starting with CHAR_MAX + 1. */ -

124 enum -

125 { -

126 VERBOSE_OPTION = CHAR_MAX + 1, -

127 FILTER_OPTION, -

128 IO_BLKSIZE_OPTION, -

129 ADDITIONAL_SUFFIX_OPTION -

130 }; -

131 -

132 static struct option const longopts[] = -

133 { -

134 {"bytes", required_argument, NULL, 'b'}, -

135 {"lines", required_argument, NULL, 'l'}, -

136 {"line-bytes", required_argument, NULL, 'C'}, -

137 {"number", required_argument, NULL, 'n'}, -

138 {"elide-empty-files", no_argument, NULL, 'e'}, -

139 {"unbuffered", no_argument, NULL, 'u'}, -

140 {"suffix-length", required_argument, NULL, 'a'}, -

141 {"additional-suffix", required_argument, NULL, -

142 ADDITIONAL_SUFFIX_OPTION}, -

143 {"numeric-suffixes", optional_argument, NULL, 'd'}, -

144 {"hex-suffixes", optional_argument, NULL, 'x'}, -

145 {"filter", required_argument, NULL, FILTER_OPTION}, -

146 {"verbose", no_argument, NULL, VERBOSE_OPTION}, -

147 {"separator", required_argument, NULL, 't'}, -

148 {"-io-blksize", required_argument, NULL, -

149 IO_BLKSIZE_OPTION}, /* do not document */ -

150 {GETOPT_HELP_OPTION_DECL}, -

151 {GETOPT_VERSION_OPTION_DECL}, -

152 {NULL, 0, NULL, 0} -

153 }; -

154 -

155 /* Return true if the errno value, ERR, is ignorable. */ -

156 static inline bool -

157 ignorable (int err) -

158 { -

159

return filter_command && err == EPIPE;

executed 605297 times by 1 test: return filter_command && err == 32 ;

Executed by:

split

605297

160 } -

161 -

162 static void -

163 set_suffix_length (uintmax_t n_units, enum Split_type split_type) -

164 { -

165 #define DEFAULT_SUFFIX_LENGTH 2 -

166 -

167 uintmax_t suffix_needed = 0; -

168 -

169 /* The suffix auto length feature is incompatible with -

170 a user specified start value as the generated suffixes -

171 are not all consecutive. */ -

172

if (numeric_suffix_start)

numeric_suffix_start	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	evaluated 408 times by 1 test Evaluated by: split

7-408

173

suffix_auto = false;

executed 7 times by 1 test: suffix_auto = 0 ;

Executed by:

split

174 -

175 /* Auto-calculate the suffix length if the number of files is given. */ -

176

if (split_type == type_chunk_bytes || split_type == type_chunk_lines

split_type == type_chunk_bytes	Description
TRUE	evaluated 18 times by 1 test Evaluated by: split
FALSE	evaluated 397 times by 1 test Evaluated by: split

split_type == type_chunk_lines	Description
TRUE	evaluated 104 times by 1 test Evaluated by: split
FALSE	evaluated 293 times by 1 test Evaluated by: split

18-397

177

|| split_type == type_rr)

split_type == type_rr	Description
TRUE	evaluated 20 times by 1 test Evaluated by: split
FALSE	evaluated 273 times by 1 test Evaluated by: split

20-273

178 { -

179 uintmax_t n_units_end = n_units; -

180

if (numeric_suffix_start)

numeric_suffix_start	Description
TRUE	evaluated 2 times by 1 test Evaluated by: split
FALSE	evaluated 140 times by 1 test Evaluated by: split

2-140

181 { -

182 uintmax_t n_start; -

183 strtol_error e = xstrtoumax (numeric_suffix_start, NULL, 10, -

184 &n_start, ""); -

185

if (e == LONGINT_OK && n_start <= UINTMAX_MAX - n_units)

e == LONGINT_OK	Description
TRUE	evaluated 2 times by 1 test Evaluated by: split
FALSE	never evaluated

n_start <= (18...5UL) - n_units	Description
TRUE	evaluated 2 times by 1 test Evaluated by: split
FALSE	never evaluated

0-2

186 { -

187 /* Restrict auto adjustment so we don't keep -

188 incrementing a suffix size arbitrarily, -

189 as that would break sort order for files -

190 generated from multiple split runs. */ -

191

if (n_start < n_units)

n_start < n_units	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 1 time by 1 test Evaluated by: split

192

n_units_end += n_start;

executed 1 time by 1 test: n_units_end += n_start;

Executed by:

split

193

}

executed 2 times by 1 test: end of block

Executed by:

split

194 -

195

}

executed 2 times by 1 test: end of block

Executed by:

split

196 size_t alphabet_len = strlen (suffix_alphabet); -

197 bool alphabet_slop = (n_units_end % alphabet_len) != 0; -

198

while (n_units_end /= alphabet_len)

n_units_end /= alphabet_len	Description
TRUE	evaluated 20 times by 1 test Evaluated by: split
FALSE	evaluated 142 times by 1 test Evaluated by: split

20-142

199

suffix_needed++;

executed 20 times by 1 test: suffix_needed++;

Executed by:

split

200 suffix_needed += alphabet_slop; -

201 suffix_auto = false; -

202

}

executed 142 times by 1 test: end of block

Executed by:

split

142

203 -

204

if (suffix_length) /* set by user */

suffix_length	Description
TRUE	evaluated 8 times by 1 test Evaluated by: split
FALSE	evaluated 407 times by 1 test Evaluated by: split

8-407

205 { -

206

if (suffix_length < suffix_needed)

suffix_length < suffix_needed	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 7 times by 1 test Evaluated by: split

1-7

207 { -

208 die (EXIT_FAILURE, 0, -

209 _("the suffix length needs to be at least %"PRIuMAX), -

210 suffix_needed); -

211

}

never executed: end of block

212 suffix_auto = false; -

213

return;

executed 7 times by 1 test: return;

Executed by:

split

214 } -

215 else -

216

suffix_length = MAX (DEFAULT_SUFFIX_LENGTH, suffix_needed);

executed 407 times by 1 test: suffix_length = ((( 2 )>( suffix_needed ))?( 2 ):( suffix_needed )) ;

Executed by:

split

(( 2 )>( suffix_needed ))	Description
TRUE	evaluated 403 times by 1 test Evaluated by: split
FALSE	evaluated 4 times by 1 test Evaluated by: split

4-407

217 } -

218 -

219 void -

220 usage (int status) -

221 { -

222

if (status != EXIT_SUCCESS)

status != 0	Description
TRUE	evaluated 14 times by 1 test Evaluated by: split
FALSE	evaluated 14 times by 1 test Evaluated by: split

223

emit_try_help ();

executed 14 times by 1 test: end of block

Executed by:

split

224 else -

225 { -

226 printf (_("\ -

227 Usage: %s [OPTION]... [FILE [PREFIX]]\n\ -

228 "), -

229 program_name); -

230 fputs (_("\ -

231 Output pieces of FILE to PREFIXaa, PREFIXab, ...;\n\ -

232 default size is 1000 lines, and default PREFIX is 'x'.\n\ -

233 "), stdout); -

234 -

235 emit_stdin_note (); -

236 emit_mandatory_arg_note (); -

237 -

238 fprintf (stdout, _("\ -

239 -a, --suffix-length=N generate suffixes of length N (default %d)\n\ -

240 --additional-suffix=SUFFIX append an additional SUFFIX to file names\n\ -

241 -b, --bytes=SIZE put SIZE bytes per output file\n\ -

242 -C, --line-bytes=SIZE put at most SIZE bytes of records per output file\n\ -

243 -d use numeric suffixes starting at 0, not alphabetic\n\ -

244 --numeric-suffixes[=FROM] same as -d, but allow setting the start value\ -

245 \n\ -

246 -x use hex suffixes starting at 0, not alphabetic\n\ -

247 --hex-suffixes[=FROM] same as -x, but allow setting the start value\n\ -

248 -e, --elide-empty-files do not generate empty output files with '-n'\n\ -

249 --filter=COMMAND write to shell COMMAND; file name is $FILE\n\ -

250 -l, --lines=NUMBER put NUMBER lines/records per output file\n\ -

251 -n, --number=CHUNKS generate CHUNKS output files; see explanation below\n\ -

252 -t, --separator=SEP use SEP instead of newline as the record separator;\n\ -

253 '\\0' (zero) specifies the NUL character\n\ -

254 -u, --unbuffered immediately copy input to output with '-n r/...'\n\ -

255 "), DEFAULT_SUFFIX_LENGTH); -

256 fputs (_("\ -

257 --verbose print a diagnostic just before each\n\ -

258 output file is opened\n\ -

259 "), stdout); -

260 fputs (HELP_OPTION_DESCRIPTION, stdout); -

261 fputs (VERSION_OPTION_DESCRIPTION, stdout); -

262 emit_size_note (); -

263 fputs (_("\n\ -

264 CHUNKS may be:\n\ -

265 N split into N files based on size of input\n\ -

266 K/N output Kth of N to stdout\n\ -

267 l/N split into N files without splitting lines/records\n\ -

268 l/K/N output Kth of N to stdout without splitting lines/records\n\ -

269 r/N like 'l' but use round robin distribution\n\ -

270 r/K/N likewise but only output Kth of N to stdout\n\ -

271 "), stdout); -

272 emit_ancillary_info (PROGRAM_NAME); -

273

}

executed 14 times by 1 test: end of block

Executed by:

split

274

exit (status);

executed 28 times by 1 test: exit (status);

Executed by:

split

275 } -

276 -

277 /* Return the number of bytes that can be read from FD with status ST. -

278 Store up to the first BUFSIZE bytes of the file's data into BUF, -

279 and advance the file position by the number of bytes read. On -

280 input error, set errno and return -1. */ -

281 -

282 static off_t -

283 input_file_size (int fd, struct stat const *st, char *buf, size_t bufsize) -

284 { -

285 off_t cur = lseek (fd, 0, SEEK_CUR); -

286

if (cur < 0)

cur < 0	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 120 times by 1 test Evaluated by: split

1-120

287 { -

288

if (errno == ESPIPE)

(*__errno_location ()) == 29	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	never evaluated

0-1

289

errno = 0; /* Suppress confusing seek error. */

executed 1 time by 1 test: (*__errno_location ()) = 0;

Executed by:

split

290

return -1;

executed 1 time by 1 test: return -1;

Executed by:

split

291 } -

292 -

293 off_t size = 0; -

294 do -

295 { -

296 size_t n_read = safe_read (fd, buf + size, bufsize - size); -

297

if (n_read == 0)

n_read == 0	Description
TRUE	evaluated 43 times by 1 test Evaluated by: split
FALSE	evaluated 114 times by 1 test Evaluated by: split

43-114

298

return size;

executed 43 times by 1 test: return size;

Executed by:

split

299

if (n_read == SAFE_READ_ERROR)

n_read == ((size_t) -1)	Description
TRUE	never evaluated
FALSE	evaluated 114 times by 1 test Evaluated by: split

0-114

300

return -1;

never executed: return -1;

301 size += n_read; -

302

}

executed 114 times by 1 test: end of block

Executed by:

split

114

303

while (size < bufsize);

size < bufsize	Description
TRUE	evaluated 37 times by 1 test Evaluated by: split
FALSE	evaluated 77 times by 1 test Evaluated by: split

37-77

304 -

305 /* Note we check st_size _after_ the read() above -

306 because /proc files on GNU/Linux are seekable -

307 but have st_size == 0. */ -

308

if (st->st_size == 0)

st->st_size == 0	Description
TRUE	evaluated 2 times by 1 test Evaluated by: split
FALSE	evaluated 75 times by 1 test Evaluated by: split

2-75

309 { -

310 /* We've filled the buffer, from a seekable file, -

311 which has an st_size==0, E.g., /dev/zero on GNU/Linux. -

312 Assume there is no limit to file size. */ -

313 errno = EOVERFLOW; -

314

return -1;

executed 2 times by 1 test: return -1;

Executed by:

split

315 } -

316 -

317 cur += size; -

318 off_t end; -

319

if (usable_st_size (st) && cur <= st->st_size)

usable_st_size (st)	Description
TRUE	evaluated 75 times by 1 test Evaluated by: split
FALSE	never evaluated

cur <= st->st_size	Description
TRUE	evaluated 75 times by 1 test Evaluated by: split
FALSE	never evaluated

0-75

320

end = st->st_size;

executed 75 times by 1 test: end = st->st_size;

Executed by:

split

321 else -

322 { -

323 end = lseek (fd, 0, SEEK_END); -

324

if (end < 0)

end < 0	Description
TRUE	never evaluated
FALSE	never evaluated

325

return -1;

never executed: return -1;

326

if (end != cur)

end != cur	Description
TRUE	never evaluated
FALSE	never evaluated

327 { -

328

if (lseek (fd, cur, SEEK_SET) < 0)

lseek (fd, cur, 0 ) < 0	Description
TRUE	never evaluated
FALSE	never evaluated

329

return -1;

never executed: return -1;

330

if (end < cur)

end < cur	Description
TRUE	never evaluated
FALSE	never evaluated

331

end = cur;

never executed: end = cur;

332

}

never executed: end of block

333

}

never executed: end of block

334 -

335 size += end - cur; -

336

if (size == OFF_T_MAX)

size == ((off_... 1) * 2 + 1)))	Description
TRUE	never evaluated
FALSE	evaluated 75 times by 1 test Evaluated by: split

0-75

337 { -

338 /* E.g., /dev/zero on GNU/Hurd. */ -

339 errno = EOVERFLOW; -

340

return -1;

never executed: return -1;

341 } -

342 -

343

return size;

executed 75 times by 1 test: return size;

Executed by:

split

344 } -

345 -

346 /* Compute the next sequential output file name and store it into the -

347 string 'outfile'. */ -

348 -

349 static void -

350 next_file_name (void) -

351 { -

352 /* Index in suffix_alphabet of each character in the suffix. */ -

353 static size_t *sufindex; -

354 static size_t outbase_length; -

355 static size_t outfile_length; -

356 static size_t addsuf_length; -

357 -

358

if (! outfile)

! outfile	Description
TRUE	evaluated 342 times by 1 test Evaluated by: split
FALSE	evaluated 2115 times by 1 test Evaluated by: split

342-2115

359 { -

360 bool widen; -

361 -

362

new_name:

code before this statement executed 342 times by 1 test: new_name:

Executed by:

split

342

363 widen = !! outfile_length; -

364 -

365

if (! widen)

! widen	Description
TRUE	evaluated 342 times by 1 test Evaluated by: split
FALSE	evaluated 6 times by 1 test Evaluated by: split

6-342

366 { -

367 /* Allocate and initialize the first file name. */ -

368 -

369 outbase_length = strlen (outbase); -

370

addsuf_length = additional_suffix ? strlen (additional_suffix) : 0;

additional_suffix	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	evaluated 335 times by 1 test Evaluated by: split

7-335

371 outfile_length = outbase_length + suffix_length + addsuf_length; -

372

}

executed 342 times by 1 test: end of block

Executed by:

split

342

373 else -

374 { -

375 /* Reallocate and initialize a new wider file name. -

376 We do this by subsuming the unchanging part of -

377 the generated suffix into the prefix (base), and -

378 reinitializing the now one longer suffix. */ -

379 -

380 outfile_length += 2; -

381 suffix_length++; -

382

}

executed 6 times by 1 test: end of block

Executed by:

split

383 -

384

if (outfile_length + 1 < outbase_length)

outfile_length...outbase_length	Description
TRUE	never evaluated
FALSE	evaluated 348 times by 1 test Evaluated by: split

0-348

385

xalloc_die ();

never executed: xalloc_die ();

386 outfile = xrealloc (outfile, outfile_length + 1); -

387 -

388

if (! widen)

! widen	Description
TRUE	evaluated 342 times by 1 test Evaluated by: split
FALSE	evaluated 6 times by 1 test Evaluated by: split

6-342

389

memcpy (outfile, outbase, outbase_length);

executed 342 times by 1 test: memcpy (outfile, outbase, outbase_length);

Executed by:

split

342

390 else -

391 { -

392 /* Append the last alphabet character to the file name prefix. */ -

393 outfile[outbase_length] = suffix_alphabet[sufindex[0]]; -

394 outbase_length++; -

395

}

executed 6 times by 1 test: end of block

Executed by:

split

396 -

397 outfile_mid = outfile + outbase_length; -

398 memset (outfile_mid, suffix_alphabet[0], suffix_length); -

399

if (additional_suffix)

additional_suffix	Description
TRUE	evaluated 13 times by 1 test Evaluated by: split
FALSE	evaluated 335 times by 1 test Evaluated by: split

13-335

400

memcpy (outfile_mid + suffix_length, additional_suffix, addsuf_length);

executed 13 times by 1 test: memcpy (outfile_mid + suffix_length, additional_suffix, addsuf_length);

Executed by:

split

401 outfile[outfile_length] = 0; -

402 -

403 free (sufindex); -

404 sufindex = xcalloc (suffix_length, sizeof *sufindex); -

405 -

406

if (numeric_suffix_start)

numeric_suffix_start	Description
TRUE	evaluated 4 times by 1 test Evaluated by: split
FALSE	evaluated 344 times by 1 test Evaluated by: split

4-344

407 { -

408 assert (! widen); -

409 -

410 /* Update the output file name. */ -

411 size_t i = strlen (numeric_suffix_start); -

412 memcpy (outfile_mid + suffix_length - i, numeric_suffix_start, i); -

413 -

414 /* Update the suffix index. */ -

415 size_t *sufindex_end = sufindex + suffix_length; -

416

while (i-- != 0)

i-- != 0	Description
TRUE	evaluated 5 times by 1 test Evaluated by: split
FALSE	evaluated 4 times by 1 test Evaluated by: split

4-5

417

*--sufindex_end = numeric_suffix_start[i] - '0';

executed 5 times by 1 test: *--sufindex_end = numeric_suffix_start[i] - '0';

Executed by:

split

418

}

executed 4 times by 1 test: end of block

Executed by:

split

419 -

420 #if ! _POSIX_NO_TRUNC && HAVE_PATHCONF && defined _PC_NAME_MAX -

421 /* POSIX requires that if the output file name is too long for -

422 its directory, 'split' must fail without creating any files. -

423 This must be checked for explicitly on operating systems that -

424 silently truncate file names. */ -

425 { -

426 char *dir = dir_name (outfile); -

427 long name_max = pathconf (dir, _PC_NAME_MAX); -

428 if (0 <= name_max && name_max < base_len (last_component (outfile))) -

429 die (EXIT_FAILURE, ENAMETOOLONG, "%s", quotef (outfile)); -

430 free (dir); -

431 } -

432 #endif -

433

}

executed 348 times by 1 test: end of block

Executed by:

split

348

434 else -

435 { -

436 /* Increment the suffix in place, if possible. */ -

437 -

438 size_t i = suffix_length; -

439

while (i-- != 0)

i-- != 0	Description
TRUE	evaluated 2189 times by 1 test Evaluated by: split
FALSE	evaluated 2 times by 1 test Evaluated by: split

2-2189

440 { -

441 sufindex[i]++; -

442

if (suffix_auto && i == 0 && ! suffix_alphabet[sufindex[0] + 1])

suffix_auto	Description
TRUE	evaluated 1270 times by 1 test Evaluated by: split
FALSE	evaluated 919 times by 1 test Evaluated by: split

i == 0	Description
TRUE	evaluated 58 times by 1 test Evaluated by: split
FALSE	evaluated 1212 times by 1 test Evaluated by: split

! suffix_alpha...findex[0] + 1]	Description
TRUE	evaluated 6 times by 1 test Evaluated by: split
FALSE	evaluated 52 times by 1 test Evaluated by: split

6-1270

443

goto new_name;

executed 6 times by 1 test: goto new_name;

Executed by:

split

444 outfile_mid[i] = suffix_alphabet[sufindex[i]]; -

445

if (outfile_mid[i])

outfile_mid[i]	Description
TRUE	evaluated 2107 times by 1 test Evaluated by: split
FALSE	evaluated 76 times by 1 test Evaluated by: split

76-2107

446

return;

executed 2107 times by 1 test: return;

Executed by:

split

2107

447 sufindex[i] = 0; -

448 outfile_mid[i] = suffix_alphabet[sufindex[i]]; -

449

}

executed 76 times by 1 test: end of block

Executed by:

split

450 die (EXIT_FAILURE, 0, _("output file suffixes exhausted")); -

451

}

never executed: end of block

452 } -

453 -

454 /* Create or truncate a file. */ -

455 -

456 static int -

457 create (const char *name) -

458 { -

459

if (!filter_command)

!filter_command	Description
TRUE	evaluated 2316 times by 1 test Evaluated by: split
FALSE	evaluated 130 times by 1 test Evaluated by: split

130-2316

460 { -

461

if (verbose)

verbose	Description
TRUE	evaluated 27 times by 1 test Evaluated by: split
FALSE	evaluated 2289 times by 1 test Evaluated by: split

27-2289

462

fprintf (stdout, _("creating file %s\n"), quoteaf (name));

executed 27 times by 1 test:

fprintf ( stdout , dcgettext (((void *)0), "creating file %s\n" , 5) , quotearg_style (shell_escape_always_quoting_style, name));

Executed by:

split

463 -

464 int fd = open (name, O_WRONLY | O_CREAT | O_BINARY, MODE_RW_UGO); -

465

if (fd < 0)

fd < 0	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 2315 times by 1 test Evaluated by: split

1-2315

466

return fd;

executed 1 time by 1 test: return fd;

Executed by:

split

467 struct stat out_stat_buf; -

468

if (fstat (fd, &out_stat_buf) != 0)

fstat (fd, &out_stat_buf) != 0	Description
TRUE	never evaluated
FALSE	evaluated 2315 times by 1 test Evaluated by: split

0-2315

469

die (EXIT_FAILURE, errno, _("failed to stat %s"), quoteaf (name));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to stat %s\", 5), quotearg_style (shell_escape_always_quoting_style, name)), assume (false))" ")"); int _gl_dummy; })) ...ame)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to stat %s" , 5) , quotearg_style (shell_escape_always_quoting_style, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

470

if (SAME_INODE (in_stat_buf, out_stat_buf))

(in_stat_buf)....at_buf).st_ino	Description
TRUE	evaluated 4 times by 1 test Evaluated by: split
FALSE	evaluated 2311 times by 1 test Evaluated by: split

(in_stat_buf)....at_buf).st_dev	Description
TRUE	evaluated 4 times by 1 test Evaluated by: split
FALSE	never evaluated

0-2311

471

die (EXIT_FAILURE, 0, _("%s would overwrite input; aborting"),

executed 4 times by 1 test:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, dcgettext (((void *)0), \"%s would overwrite input; aborting\", 5), quotearg_style (shell_escape_always_quoting_style, name)), assume (false))" ")"); int _gl_dummy; })) ? ((...e, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, dcgettext (((void *)0), "%s would overwrite input; aborting" , 5) , quotearg_style (shell_escape_always_quoting_style, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

Executed by:

split

472

quoteaf (name));

executed 4 times by 1 test:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, dcgettext (((void *)0), \"%s would overwrite input; aborting\", 5), quotearg_style (shell_escape_always_quoting_style, name)), assume (false))" ")"); int _gl_dummy; })) ? ((...e, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, dcgettext (((void *)0), "%s would overwrite input; aborting" , 5) , quotearg_style (shell_escape_always_quoting_style, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

Executed by:

split

473

if (ftruncate (fd, 0) != 0)

ftruncate (fd, 0) != 0	Description
TRUE	never evaluated
FALSE	evaluated 2311 times by 1 test Evaluated by: split

0-2311

474

die (EXIT_FAILURE, errno, _("%s: error truncating"), quotef (name));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"%s: error truncating\", 5), quotearg_n_style_colon (0, shell_escape_quoting_style, name)), assume (false))" ")"); int _gl_dumm...(( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "%s: error truncating" , 5) , quotearg_n_style_colon (0, shell_escape_quoting_style, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

475 -

476

return fd;

executed 2311 times by 1 test: return fd;

Executed by:

split

2311

477 } -

478 else -

479 { -

480 int fd_pair[2]; -

481 pid_t child_pid; -

482 char const *shell_prog = getenv ("SHELL"); -

483

if (shell_prog == NULL)

shell_prog == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 130 times by 1 test Evaluated by: split

0-130

484

shell_prog = "/bin/sh";

never executed: shell_prog = "/bin/sh";

485

if (setenv ("FILE", name, 1) != 0)

setenv ("FILE", name, 1) != 0	Description
TRUE	never evaluated
FALSE	evaluated 130 times by 1 test Evaluated by: split

0-130

486

die (EXIT_FAILURE, errno,

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to set FILE environment variable\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location (...to set FILE environment variable" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to set FILE environment variable" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

487

_("failed to set FILE environment variable"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to set FILE environment variable\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location (...to set FILE environment variable" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to set FILE environment variable" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

488

if (verbose)

verbose	Description
TRUE	never evaluated
FALSE	evaluated 130 times by 1 test Evaluated by: split

0-130

489

fprintf (stdout, _("executing with FILE=%s\n"), quotef (name));

never executed:

fprintf ( stdout , dcgettext (((void *)0), "executing with FILE=%s\n" , 5) , quotearg_n_style_colon (0, shell_escape_quoting_style, name));

490

if (pipe (fd_pair) != 0)

pipe (fd_pair) != 0	Description
TRUE	never evaluated
FALSE	evaluated 130 times by 1 test Evaluated by: split

0-130

491

die (EXIT_FAILURE, errno, _("failed to create pipe"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to create pipe\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to create pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to create pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

492 child_pid = fork (); -

493

if (child_pid == 0)

child_pid == 0	Description
TRUE	never evaluated
FALSE	evaluated 130 times by 1 test Evaluated by: split

0-130

494 { -

495 /* This is the child process. If an error occurs here, the -

496 parent will eventually learn about it after doing a wait, -

497 at which time it will emit its own error message. */ -

498 int j; -

499 /* We have to close any pipes that were opened during an -

500 earlier call, otherwise this process will be holding a -

501 write-pipe that will prevent the earlier process from -

502 reading an EOF on the corresponding read-pipe. */ -

503

for (j = 0; j < n_open_pipes; ++j)

j < n_open_pipes	Description
TRUE	never evaluated
FALSE	never evaluated

504

if (close (open_pipes[j]) != 0)

close (open_pipes[j]) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

505

die (EXIT_FAILURE, errno, _("closing prior pipe"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"closing prior pipe\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "closing prior pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "closing prior pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

506

if (close (fd_pair[1]))

close (fd_pair[1])	Description
TRUE	never evaluated
FALSE	never evaluated

507

die (EXIT_FAILURE, errno, _("closing output pipe"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"closing output pipe\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "closing output pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "closing output pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

508

if (fd_pair[0] != STDIN_FILENO)

fd_pair[0] != 0	Description
TRUE	never evaluated
FALSE	never evaluated

509 { -

510

if (dup2 (fd_pair[0], STDIN_FILENO) != STDIN_FILENO)

dup2 (fd_pair[0], 0 ) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

511

die (EXIT_FAILURE, errno, _("moving input pipe"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"moving input pipe\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "moving input pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "moving input pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

512

if (close (fd_pair[0]) != 0)

close (fd_pair[0]) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

513

die (EXIT_FAILURE, errno, _("closing input pipe"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"closing input pipe\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "closing input pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "closing input pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

514

}

never executed: end of block

515 sigprocmask (SIG_SETMASK, &oldblocked, NULL); -

516 execl (shell_prog, last_component (shell_prog), "-c", -

517 filter_command, (char *) NULL); -

518 die (EXIT_FAILURE, errno, _("failed to run command: \"%s -c %s\""), -

519 shell_prog, filter_command); -

520

}

never executed: end of block

521

if (child_pid == -1)

child_pid == -1	Description
TRUE	never evaluated
FALSE	evaluated 130 times by 1 test Evaluated by: split

0-130

522

die (EXIT_FAILURE, errno, _("fork system call failed"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"fork system call failed\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "fork system call failed" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "fork system call failed" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

523

if (close (fd_pair[0]) != 0)

close (fd_pair[0]) != 0	Description
TRUE	never evaluated
FALSE	evaluated 130 times by 1 test Evaluated by: split

0-130

524

die (EXIT_FAILURE, errno, _("failed to close input pipe"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to close input pipe\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to close input pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to close input pipe" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

525 filter_pid = child_pid; -

526

if (n_open_pipes == open_pipes_alloc)

n_open_pipes =...en_pipes_alloc	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	evaluated 123 times by 1 test Evaluated by: split

7-123

527

open_pipes = x2nrealloc (open_pipes, &open_pipes_alloc,

executed 7 times by 1 test: open_pipes = x2nrealloc (open_pipes, &open_pipes_alloc, sizeof *open_pipes);

Executed by:

split

528

sizeof *open_pipes);

executed 7 times by 1 test: open_pipes = x2nrealloc (open_pipes, &open_pipes_alloc, sizeof *open_pipes);

Executed by:

split

529 open_pipes[n_open_pipes++] = fd_pair[1]; -

530

return fd_pair[1];

executed 130 times by 1 test: return fd_pair[1];

Executed by:

split

130

531 } -

532 } -

533 -

534 /* Close the output file, and do any associated cleanup. -

535 If FP and FD are both specified, they refer to the same open file; -

536 in this case FP is closed, but FD is still used in cleanup. */ -

537 static void -

538 closeout (FILE *fp, int fd, pid_t pid, char const *name) -

539 { -

540

if (fp != NULL && fclose (fp) != 0 && ! ignorable (errno))

fp != ((void *)0)	Description
TRUE	evaluated 138 times by 1 test Evaluated by: split
FALSE	evaluated 2679 times by 1 test Evaluated by: split

rpl_fclose (fp) != 0	Description
TRUE	never evaluated
FALSE	evaluated 138 times by 1 test Evaluated by: split

! ignorable ( ...location ()) )	Description
TRUE	never evaluated
FALSE	never evaluated

0-2679

541

die (EXIT_FAILURE, errno, "%s", quotef (name));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, name)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) ...e_colon (0, shell_escape_quoting_style, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

542

if (fd >= 0)

fd >= 0	Description
TRUE	evaluated 2410 times by 1 test Evaluated by: split
FALSE	evaluated 407 times by 1 test Evaluated by: split

407-2410

543 { -

544

if (fp == NULL && close (fd) < 0)

fp == ((void *)0)	Description
TRUE	evaluated 2272 times by 1 test Evaluated by: split
FALSE	evaluated 138 times by 1 test Evaluated by: split

close (fd) < 0	Description
TRUE	never evaluated
FALSE	evaluated 2272 times by 1 test Evaluated by: split

0-2272

545

die (EXIT_FAILURE, errno, "%s", quotef (name));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, name)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) ...e_colon (0, shell_escape_quoting_style, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

546 int j; -

547

for (j = 0; j < n_open_pipes; ++j)

j < n_open_pipes	Description
TRUE	evaluated 131 times by 1 test Evaluated by: split
FALSE	evaluated 2281 times by 1 test Evaluated by: split

131-2281

548 { -

549

if (open_pipes[j] == fd)

open_pipes[j] == fd	Description
TRUE	evaluated 129 times by 1 test Evaluated by: split
FALSE	evaluated 2 times by 1 test Evaluated by: split

2-129

550 { -

551 open_pipes[j] = open_pipes[--n_open_pipes]; -

552

break;

executed 129 times by 1 test: break;

Executed by:

split

129

553 } -

554

}

executed 2 times by 1 test: end of block

Executed by:

split

555

}

executed 2410 times by 1 test: end of block

Executed by:

split

2410

556

if (pid > 0)

pid > 0	Description
TRUE	evaluated 129 times by 1 test Evaluated by: split
FALSE	evaluated 2688 times by 1 test Evaluated by: split

129-2688

557 { -

558 int wstatus = 0; -

559

if (waitpid (pid, &wstatus, 0) == -1 && errno != ECHILD)

waitpid (pid, ...atus, 0) == -1	Description
TRUE	never evaluated
FALSE	evaluated 128 times by 1 test Evaluated by: split

(*__errno_location ()) != 10	Description
TRUE	never evaluated
FALSE	never evaluated

0-128

560

die (EXIT_FAILURE, errno, _("waiting for child process"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"waiting for child process\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "waiting for child process" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "waiting for child process" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

561

if (WIFSIGNALED (wstatus))

(((signed char... 1) >> 1) > 0)	Description
TRUE	never evaluated
FALSE	evaluated 128 times by 1 test Evaluated by: split

0-128

562 { -

563 int sig = WTERMSIG (wstatus); -

564

if (sig != SIGPIPE)

sig != 13	Description
TRUE	never evaluated
FALSE	never evaluated

565 { -

566 char signame[MAX (SIG2STR_MAX, INT_BUFSIZE_BOUND (int))]; -

567

if (sig2str (sig, signame) != 0)

sig2str (sig, signame) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

568

sprintf (signame, "%d", sig);

never executed: sprintf (signame, "%d", sig);

569 error (sig + 128, 0, -

570 _("with FILE=%s, signal %s from command: %s"), -

571 quotef (name), signame, filter_command); -

572

}

never executed: end of block

573

}

never executed: end of block

574

else if (WIFEXITED (wstatus))

((( wstatus ) & 0x7f) == 0)	Description
TRUE	evaluated 128 times by 1 test Evaluated by: split
FALSE	never evaluated

0-128

575 { -

576 int ex = WEXITSTATUS (wstatus); -

577

if (ex != 0)

ex != 0	Description
TRUE	never evaluated
FALSE	evaluated 128 times by 1 test Evaluated by: split

0-128

578

error (ex, 0, _("with FILE=%s, exit %d from command: %s"),

never executed:

error (ex, 0, dcgettext (((void *)0), "with FILE=%s, exit %d from command: %s" , 5) , quotearg_n_style_colon (0, shell_escape_quoting_style, name), ex, filter_command);

579

quotef (name), ex, filter_command);

never executed:

error (ex, 0, dcgettext (((void *)0), "with FILE=%s, exit %d from command: %s" , 5) , quotearg_n_style_colon (0, shell_escape_quoting_style, name), ex, filter_command);

580

}

executed 128 times by 1 test: end of block

Executed by:

split

128

581 else -

582 { -

583 /* shouldn't happen. */ -

584 die (EXIT_FAILURE, 0, -

585 _("unknown status from command (0x%X)"), wstatus + 0u); -

586

}

never executed: end of block

587 } -

588

}

executed 2816 times by 1 test: end of block

Executed by:

split

2816

589 -

590 /* Write BYTES bytes at BP to an output file. -

591 If NEW_FILE_FLAG is true, open the next output file. -

592 Otherwise add to the same output file already in use. -

593 Return true if successful. */ -

594 -

595 static bool -

596 cwrite (bool new_file_flag, const char *bp, size_t bytes) -

597 { -

598

if (new_file_flag)

new_file_flag	Description
TRUE	evaluated 2370 times by 1 test Evaluated by: split
FALSE	evaluated 1659 times by 1 test Evaluated by: split

1659-2370

599 { -

600

if (!bp && bytes == 0 && elide_empty_files)

!bp	Description
TRUE	evaluated 171 times by 1 test Evaluated by: split
FALSE	evaluated 2199 times by 1 test Evaluated by: split

bytes == 0	Description
TRUE	evaluated 171 times by 1 test Evaluated by: split
FALSE	never evaluated

elide_empty_files	Description
TRUE	evaluated 90 times by 1 test Evaluated by: split
FALSE	evaluated 81 times by 1 test Evaluated by: split

0-2199

601

return true;

executed 90 times by 1 test: return 1 ;

Executed by:

split

602 closeout (NULL, output_desc, filter_pid, outfile); -

603 next_file_name (); -

604 output_desc = create (outfile); -

605

if (output_desc < 0)

output_desc < 0	Description
TRUE	never evaluated
FALSE	evaluated 2273 times by 1 test Evaluated by: split

0-2273

606

die (EXIT_FAILURE, errno, "%s", quotef (outfile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, outfile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location (...n (0, shell_escape_quoting_style, outfile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, outfile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

607

}

executed 2273 times by 1 test: end of block

Executed by:

split

2273

608 -

609

if (full_write (output_desc, bp, bytes) == bytes)

full_write (ou...ytes) == bytes	Description
TRUE	evaluated 3876 times by 1 test Evaluated by: split
FALSE	evaluated 55 times by 1 test Evaluated by: split

55-3876

610

return true;

executed 3876 times by 1 test: return 1 ;

Executed by:

split

3876

611 else -

612 { -

613

if (! ignorable (errno))

! ignorable ( ...location ()) )	Description
TRUE	never evaluated
FALSE	evaluated 55 times by 1 test Evaluated by: split

0-55

614

die (EXIT_FAILURE, errno, "%s", quotef (outfile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, outfile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location (...n (0, shell_escape_quoting_style, outfile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, outfile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

615

return false;

executed 55 times by 1 test: return 0 ;

Executed by:

split

616 } -

617 } -

618 -

619 /* Split into pieces of exactly N_BYTES bytes. -

620 Use buffer BUF, whose size is BUFSIZE. -

621 BUF contains the first INITIAL_READ input bytes. */ -

622 -

623 static void -

624 bytes_split (uintmax_t n_bytes, char *buf, size_t bufsize, size_t initial_read, -

625 uintmax_t max_files) -

626 { -

627 size_t n_read; -

628 bool new_file_flag = true; -

629 bool filter_ok = true; -

630 uintmax_t to_write = n_bytes; -

631 uintmax_t opened = 0; -

632 bool eof; -

633 -

634 do -

635 { -

636

if (initial_read != SIZE_MAX)

initial_read !...73709551615UL)	Description
TRUE	evaluated 6 times by 1 test Evaluated by: split
FALSE	evaluated 2523 times by 1 test Evaluated by: split

6-2523

637 { -

638 n_read = initial_read; -

639 initial_read = SIZE_MAX; -

640 eof = n_read < bufsize; -

641

}

executed 6 times by 1 test: end of block

Executed by:

split

642 else -

643 { -

644

if (! filter_ok

! filter_ok	Description
TRUE	evaluated 2459 times by 1 test Evaluated by: split
FALSE	evaluated 64 times by 1 test Evaluated by: split

64-2459

645

&& lseek (STDIN_FILENO, to_write, SEEK_CUR) != -1)

lseek ( 0 , to...ite, 1 ) != -1	Description
TRUE	never evaluated
FALSE	evaluated 2459 times by 1 test Evaluated by: split

0-2459

646 { -

647 to_write = n_bytes; -

648 new_file_flag = true; -

649

}

never executed: end of block

650 -

651 n_read = safe_read (STDIN_FILENO, buf, bufsize); -

652

if (n_read == SAFE_READ_ERROR)

n_read == ((size_t) -1)	Description
TRUE	never evaluated
FALSE	evaluated 2523 times by 1 test Evaluated by: split

0-2523

653

die (EXIT_FAILURE, errno, "%s", quotef (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

654 eof = n_read == 0; -

655

}

executed 2523 times by 1 test: end of block

Executed by:

split

2523

656 char *bp_out = buf; -

657

while (to_write <= n_read)

to_write <= n_read	Description
TRUE	evaluated 739 times by 1 test Evaluated by: split
FALSE	evaluated 2526 times by 1 test Evaluated by: split

739-2526

658 { -

659

if (filter_ok || new_file_flag)

filter_ok	Description
TRUE	evaluated 685 times by 1 test Evaluated by: split
FALSE	evaluated 54 times by 1 test Evaluated by: split

new_file_flag	Description
TRUE	never evaluated
FALSE	evaluated 54 times by 1 test Evaluated by: split

0-685

660

filter_ok = cwrite (new_file_flag, bp_out, to_write);

executed 685 times by 1 test: filter_ok = cwrite (new_file_flag, bp_out, to_write);

Executed by:

split

685

661 opened += new_file_flag; -

662

new_file_flag = !max_files || (opened < max_files);

!max_files	Description
TRUE	evaluated 728 times by 1 test Evaluated by: split
FALSE	evaluated 8 times by 1 test Evaluated by: split

(opened < max_files)	Description
TRUE	evaluated 6 times by 1 test Evaluated by: split
FALSE	evaluated 2 times by 1 test Evaluated by: split

2-728

663

if (! filter_ok && ! new_file_flag)

! filter_ok	Description
TRUE	evaluated 54 times by 1 test Evaluated by: split
FALSE	evaluated 682 times by 1 test Evaluated by: split

! new_file_flag	Description
TRUE	never evaluated
FALSE	evaluated 54 times by 1 test Evaluated by: split

0-682

664 { -

665 /* If filters no longer accepting input, stop reading. */ -

666 n_read = 0; -

667 eof = true; -

668

break;

never executed: break;

669 } -

670 bp_out += to_write; -

671 n_read -= to_write; -

672 to_write = n_bytes; -

673

}

executed 736 times by 1 test: end of block

Executed by:

split

736

674

if (n_read != 0)

n_read != 0	Description
TRUE	evaluated 2504 times by 1 test Evaluated by: split
FALSE	evaluated 22 times by 1 test Evaluated by: split

22-2504

675 { -

676

if (filter_ok || new_file_flag)

filter_ok	Description
TRUE	evaluated 46 times by 1 test Evaluated by: split
FALSE	evaluated 2458 times by 1 test Evaluated by: split

new_file_flag	Description
TRUE	evaluated 54 times by 1 test Evaluated by: split
FALSE	evaluated 2404 times by 1 test Evaluated by: split

46-2458

677

filter_ok = cwrite (new_file_flag, bp_out, n_read);

executed 100 times by 1 test: filter_ok = cwrite (new_file_flag, bp_out, n_read);

Executed by:

split

100

678 opened += new_file_flag; -

679 new_file_flag = false; -

680

if (! filter_ok && opened == max_files)

! filter_ok	Description
TRUE	evaluated 2459 times by 1 test Evaluated by: split
FALSE	evaluated 44 times by 1 test Evaluated by: split

opened == max_files	Description
TRUE	never evaluated
FALSE	evaluated 2459 times by 1 test Evaluated by: split

0-2459

681 { -

682 /* If filters no longer accepting input, stop reading. */ -

683

break;

never executed: break;

684 } -

685 to_write -= n_read; -

686

}

executed 2503 times by 1 test: end of block

Executed by:

split

2503

687

}

executed 2525 times by 1 test: end of block

Executed by:

split

2525

688

while (! eof);

! eof	Description
TRUE	evaluated 2509 times by 1 test Evaluated by: split
FALSE	evaluated 16 times by 1 test Evaluated by: split

16-2509

689 -

690 /* Ensure NUMBER files are created, which truncates -

691 any existing files or notifies any consumers on fifos. -

692 FIXME: Should we do this before EXIT_FAILURE? */ -

693

while (opened++ < max_files)

opened++ < max_files	Description
TRUE	evaluated 31 times by 1 test Evaluated by: split
FALSE	evaluated 16 times by 1 test Evaluated by: split

16-31

694

cwrite (true, NULL, 0);

executed 31 times by 1 test: cwrite ( 1 , ((void *)0) , 0);

Executed by:

split

695

}

executed 16 times by 1 test: end of block

Executed by:

split

696 -

697 /* Split into pieces of exactly N_LINES lines. -

698 Use buffer BUF, whose size is BUFSIZE. */ -

699 -

700 static void -

701 lines_split (uintmax_t n_lines, char *buf, size_t bufsize) -

702 { -

703 size_t n_read; -

704 char *bp, *bp_out, *eob; -

705 bool new_file_flag = true; -

706 uintmax_t n = 0; -

707 -

708 do -

709 { -

710 n_read = safe_read (STDIN_FILENO, buf, bufsize); -

711

if (n_read == SAFE_READ_ERROR)

n_read == ((size_t) -1)	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 33 times by 1 test Evaluated by: split

1-33

712

die (EXIT_FAILURE, errno, "%s", quotef (infile));

executed 1 time by 1 test:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

Executed by:

split

713 bp = bp_out = buf; -

714 eob = bp + n_read; -

715 *eob = eolchar; -

716 while (true) -

717 { -

718 bp = memchr (bp, eolchar, eob - bp + 1); -

719

if (bp == eob)

bp == eob	Description
TRUE	evaluated 33 times by 1 test Evaluated by: split
FALSE	evaluated 66 times by 1 test Evaluated by: split

33-66

720 { -

721

if (eob != bp_out) /* do not write 0 bytes! */

eob != bp_out	Description
TRUE	evaluated 14 times by 1 test Evaluated by: split
FALSE	evaluated 19 times by 1 test Evaluated by: split

14-19

722 { -

723 size_t len = eob - bp_out; -

724 cwrite (new_file_flag, bp_out, len); -

725 new_file_flag = false; -

726

}

executed 14 times by 1 test: end of block

Executed by:

split

727

break;

executed 33 times by 1 test: break;

Executed by:

split

728 } -

729 -

730 ++bp; -

731

if (++n >= n_lines)

++n >= n_lines	Description
TRUE	evaluated 26 times by 1 test Evaluated by: split
FALSE	evaluated 40 times by 1 test Evaluated by: split

26-40

732 { -

733 cwrite (new_file_flag, bp_out, bp - bp_out); -

734 bp_out = bp; -

735 new_file_flag = true; -

736 n = 0; -

737

}

executed 26 times by 1 test: end of block

Executed by:

split

738

}

executed 66 times by 1 test: end of block

Executed by:

split

739

}

executed 33 times by 1 test: end of block

Executed by:

split

740

while (n_read);

n_read	Description
TRUE	evaluated 14 times by 1 test Evaluated by: split
FALSE	evaluated 19 times by 1 test Evaluated by: split

14-19

741

}

executed 19 times by 1 test: end of block

Executed by:

split

742 -

743 /* Split into pieces that are as large as possible while still not more -

744 than N_BYTES bytes, and are split on line boundaries except -

745 where lines longer than N_BYTES bytes occur. */ -

746 -

747 static void -

748 line_bytes_split (uintmax_t n_bytes, char *buf, size_t bufsize) -

749 { -

750 size_t n_read; -

751 uintmax_t n_out = 0; /* for each split. */ -

752 size_t n_hold = 0; -

753 char *hold = NULL; /* for lines > bufsize. */ -

754 size_t hold_size = 0; -

755 bool split_line = false; /* Whether a \n was output in a split. */ -

756 -

757 do -

758 { -

759 n_read = safe_read (STDIN_FILENO, buf, bufsize); -

760

if (n_read == SAFE_READ_ERROR)

n_read == ((size_t) -1)	Description
TRUE	never evaluated
FALSE	evaluated 970 times by 1 test Evaluated by: split

0-970

761

die (EXIT_FAILURE, errno, "%s", quotef (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

762 size_t n_left = n_read; -

763 char *sob = buf; -

764

while (n_left)

n_left	Description
TRUE	evaluated 1098 times by 1 test Evaluated by: split
FALSE	evaluated 966 times by 1 test Evaluated by: split

966-1098

765 { -

766 size_t split_rest = 0; -

767 char *eoc = NULL; -

768 char *eol; -

769 -

770 /* Determine End Of Chunk and/or End of Line, -

771 which are used below to select what to write or buffer. */ -

772

if (n_bytes - n_out - n_hold <= n_left)

n_bytes - n_ou...hold <= n_left	Description
TRUE	evaluated 588 times by 1 test Evaluated by: split
FALSE	evaluated 510 times by 1 test Evaluated by: split

510-588

773 { -

774 /* Have enough for split. */ -

775 split_rest = n_bytes - n_out - n_hold; -

776 eoc = sob + split_rest - 1; -

777 eol = memrchr (sob, eolchar, split_rest); -

778

}

executed 588 times by 1 test: end of block

Executed by:

split

588

779 else -

780

eol = memrchr (sob, eolchar, n_left);

executed 510 times by 1 test: eol = memrchr (sob, eolchar, n_left);

Executed by:

split

510

781 -

782 /* Output hold space if possible. */ -

783

if (n_hold && !(!eol && n_out))

n_hold	Description
TRUE	evaluated 165 times by 1 test Evaluated by: split
FALSE	evaluated 933 times by 1 test Evaluated by: split

!eol	Description
TRUE	evaluated 63 times by 1 test Evaluated by: split
FALSE	evaluated 102 times by 1 test Evaluated by: split

n_out	Description
TRUE	evaluated 39 times by 1 test Evaluated by: split
FALSE	evaluated 24 times by 1 test Evaluated by: split

24-933

784 { -

785 cwrite (n_out == 0, hold, n_hold); -

786 n_out += n_hold; -

787

if (n_hold > bufsize)

n_hold > bufsize	Description
TRUE	evaluated 21 times by 1 test Evaluated by: split
FALSE	evaluated 105 times by 1 test Evaluated by: split

21-105

788

hold = xrealloc (hold, bufsize);

executed 21 times by 1 test: hold = xrealloc (hold, bufsize);

Executed by:

split

789 n_hold = 0; -

790 hold_size = bufsize; -

791

}

executed 126 times by 1 test: end of block

Executed by:

split

126

792 -

793 /* Output to eol if present. */ -

794

if (eol)

eol	Description
TRUE	evaluated 313 times by 1 test Evaluated by: split
FALSE	evaluated 785 times by 1 test Evaluated by: split

313-785

795 { -

796 split_line = true; -

797 size_t n_write = eol - sob + 1; -

798 cwrite (n_out == 0, sob, n_write); -

799 n_out += n_write; -

800 n_left -= n_write; -

801 sob += n_write; -

802

if (eoc)

eoc	Description
TRUE	evaluated 172 times by 1 test Evaluated by: split
FALSE	evaluated 137 times by 1 test Evaluated by: split

137-172

803

split_rest -= n_write;

executed 172 times by 1 test: split_rest -= n_write;

Executed by:

split

172

804

}

executed 309 times by 1 test: end of block

Executed by:

split

309

805 -

806 /* Output to eoc or eob if possible. */ -

807

if (n_left && !split_line)

n_left	Description
TRUE	evaluated 1010 times by 1 test Evaluated by: split
FALSE	evaluated 84 times by 1 test Evaluated by: split

!split_line	Description
TRUE	evaluated 692 times by 1 test Evaluated by: split
FALSE	evaluated 318 times by 1 test Evaluated by: split

84-1010

808 { -

809

size_t n_write = eoc ? split_rest : n_left;

eoc	Description
TRUE	evaluated 381 times by 1 test Evaluated by: split
FALSE	evaluated 311 times by 1 test Evaluated by: split

311-381

810 cwrite (n_out == 0, sob, n_write); -

811 n_out += n_write; -

812 n_left -= n_write; -

813 sob += n_write; -

814

if (eoc)

eoc	Description
TRUE	evaluated 381 times by 1 test Evaluated by: split
FALSE	evaluated 311 times by 1 test Evaluated by: split

311-381

815

split_rest -= n_write;

executed 381 times by 1 test: split_rest -= n_write;

Executed by:

split

381

816

}

executed 692 times by 1 test: end of block

Executed by:

split

692

817 -

818 /* Update hold if needed. */ -

819

if ((eoc && split_rest) || (!eoc && n_left))

eoc	Description
TRUE	evaluated 584 times by 1 test Evaluated by: split
FALSE	evaluated 510 times by 1 test Evaluated by: split

split_rest	Description
TRUE	evaluated 110 times by 1 test Evaluated by: split
FALSE	evaluated 474 times by 1 test Evaluated by: split

!eoc	Description
TRUE	evaluated 510 times by 1 test Evaluated by: split
FALSE	evaluated 474 times by 1 test Evaluated by: split

n_left	Description
TRUE	evaluated 135 times by 1 test Evaluated by: split
FALSE	evaluated 375 times by 1 test Evaluated by: split

110-584

820 { -

821

size_t n_buf = eoc ? split_rest : n_left;

eoc	Description
TRUE	evaluated 110 times by 1 test Evaluated by: split
FALSE	evaluated 135 times by 1 test Evaluated by: split

110-135

822

if (hold_size - n_hold < n_buf)

hold_size - n_hold < n_buf	Description
TRUE	evaluated 131 times by 1 test Evaluated by: split
FALSE	evaluated 114 times by 1 test Evaluated by: split

114-131

823 { -

824

if (hold_size <= SIZE_MAX - bufsize)

hold_size <= (...5UL) - bufsize	Description
TRUE	evaluated 131 times by 1 test Evaluated by: split
FALSE	never evaluated

0-131

825

hold_size += bufsize;

executed 131 times by 1 test: hold_size += bufsize;

Executed by:

split

131

826 else -

827

xalloc_die ();

never executed: xalloc_die ();

828 hold = xrealloc (hold, hold_size); -

829

}

executed 131 times by 1 test: end of block

Executed by:

split

131

830 memcpy (hold + n_hold, sob, n_buf); -

831 n_hold += n_buf; -

832 n_left -= n_buf; -

833 sob += n_buf; -

834

}

executed 245 times by 1 test: end of block

Executed by:

split

245

835 -

836 /* Reset for new split. */ -

837

if (eoc)

eoc	Description
TRUE	evaluated 584 times by 1 test Evaluated by: split
FALSE	evaluated 510 times by 1 test Evaluated by: split

510-584

838 { -

839 n_out = 0; -

840 split_line = false; -

841

}

executed 584 times by 1 test: end of block

Executed by:

split

584

842

}

executed 1094 times by 1 test: end of block

Executed by:

split

1094

843

}

executed 966 times by 1 test: end of block

Executed by:

split

966

844

while (n_read);

n_read	Description
TRUE	evaluated 733 times by 1 test Evaluated by: split
FALSE	evaluated 233 times by 1 test Evaluated by: split

233-733

845 -

846 /* Handle no eol at end of file. */ -

847

if (n_hold)

n_hold	Description
TRUE	evaluated 80 times by 1 test Evaluated by: split
FALSE	evaluated 153 times by 1 test Evaluated by: split

80-153

848

cwrite (n_out == 0, hold, n_hold);

executed 80 times by 1 test: cwrite (n_out == 0, hold, n_hold);

Executed by:

split

849 -

850 free (hold); -

851

}

executed 233 times by 1 test: end of block

Executed by:

split

233

852 -

853 /* -n l/[K/]N: Write lines to files of approximately file size / N. -

854 The file is partitioned into file size / N sized portions, with the -

855 last assigned any excess. If a line _starts_ within a partition -

856 it is written completely to the corresponding file. Since lines -

857 are not split even if they overlap a partition, the files written -

858 can be larger or smaller than the partition size, and even empty -

859 if a line is so long as to completely overlap the partition. */ -

860 -

861 static void -

862 lines_chunk_split (uintmax_t k, uintmax_t n, char *buf, size_t bufsize, -

863 size_t initial_read, off_t file_size) -

864 { -

865 assert (n && k <= n && n <= file_size); -

866 -

867 const off_t chunk_size = file_size / n; -

868 uintmax_t chunk_no = 1; -

869 off_t chunk_end = chunk_size - 1; -

870 off_t n_written = 0; -

871 bool new_file_flag = true; -

872 bool chunk_truncated = false; -

873 -

874

if (k > 1)

k > 1	Description
TRUE	evaluated 34 times by 1 test Evaluated by: split
FALSE	evaluated 68 times by 1 test Evaluated by: split

34-68

875 { -

876 /* Start reading 1 byte before kth chunk of file. */ -

877 off_t start = (k - 1) * chunk_size - 1; -

878

if (start < initial_read)

start < initial_read	Description
TRUE	evaluated 20 times by 1 test Evaluated by: split
FALSE	evaluated 14 times by 1 test Evaluated by: split

14-20

879 { -

880 memmove (buf, buf + start, initial_read - start); -

881 initial_read -= start; -

882

}

executed 20 times by 1 test: end of block

Executed by:

split

883 else -

884 { -

885

if (lseek (STDIN_FILENO, start - initial_read, SEEK_CUR) < 0)

lseek ( 0 , st..._read, 1 ) < 0	Description
TRUE	never evaluated
FALSE	evaluated 14 times by 1 test Evaluated by: split

0-14

886

die (EXIT_FAILURE, errno, "%s", quotef (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

887 initial_read = SIZE_MAX; -

888

}

executed 14 times by 1 test: end of block

Executed by:

split

889 n_written = start; -

890 chunk_no = k - 1; -

891 chunk_end = chunk_no * chunk_size - 1; -

892

}

executed 34 times by 1 test: end of block

Executed by:

split

893 -

894

while (n_written < file_size)

n_written < file_size	Description
TRUE	evaluated 1588 times by 1 test Evaluated by: split
FALSE	evaluated 67 times by 1 test Evaluated by: split

67-1588

895 { -

896 char *bp = buf, *eob; -

897 size_t n_read; -

898

if (initial_read != SIZE_MAX)

initial_read !...73709551615UL)	Description
TRUE	evaluated 88 times by 1 test Evaluated by: split
FALSE	evaluated 1500 times by 1 test Evaluated by: split

88-1500

899 { -

900 n_read = initial_read; -

901 initial_read = SIZE_MAX; -

902

}

executed 88 times by 1 test: end of block

Executed by:

split

903 else -

904 { -

905 n_read = safe_read (STDIN_FILENO, buf, bufsize); -

906

if (n_read == SAFE_READ_ERROR)

n_read == ((size_t) -1)	Description
TRUE	never evaluated
FALSE	evaluated 1500 times by 1 test Evaluated by: split

0-1500

907

die (EXIT_FAILURE, errno, "%s", quotef (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

908

}

executed 1500 times by 1 test: end of block

Executed by:

split

1500

909

if (n_read == 0)

n_read == 0	Description
TRUE	evaluated 2 times by 1 test Evaluated by: split
FALSE	evaluated 1586 times by 1 test Evaluated by: split

2-1586

910

break; /* eof. */

executed 2 times by 1 test: break;

Executed by:

split

911

n_read = MIN (n_read, file_size - n_written);

(( n_read )<( ...- n_written ))	Description
TRUE	evaluated 1506 times by 1 test Evaluated by: split
FALSE	evaluated 80 times by 1 test Evaluated by: split

80-1506

912 chunk_truncated = false; -

913 eob = buf + n_read; -

914 -

915

while (bp != eob)

bp != eob	Description
TRUE	evaluated 1962 times by 1 test Evaluated by: split
FALSE	evaluated 1553 times by 1 test Evaluated by: split

1553-1962

916 { -

917 size_t to_write; -

918 bool next = false; -

919 -

920 /* Begin looking for '\n' at last byte of chunk. */ -

921

off_t skip = MIN (n_read, MAX (0, chunk_end - n_written));

(( n_read )<((...n_written ))))	Description
TRUE	evaluated 691 times by 1 test Evaluated by: split
FALSE	evaluated 1271 times by 1 test Evaluated by: split

(( 0 )>( chunk...- n_written ))	Description
TRUE	evaluated 413 times by 1 test Evaluated by: split
FALSE	evaluated 858 times by 1 test Evaluated by: split

413-1271

922 char *bp_out = memchr (bp + skip, eolchar, n_read - skip); -

923

if (bp_out++)

bp_out++	Description
TRUE	evaluated 714 times by 1 test Evaluated by: split
FALSE	evaluated 1248 times by 1 test Evaluated by: split

714-1248

924

next = true;

executed 714 times by 1 test: next = 1 ;

Executed by:

split

714

925 else -

926

bp_out = eob;

executed 1248 times by 1 test: bp_out = eob;

Executed by:

split

1248

927 to_write = bp_out - bp; -

928 -

929

if (k == chunk_no)

k == chunk_no	Description
TRUE	evaluated 91 times by 1 test Evaluated by: split
FALSE	evaluated 1871 times by 1 test Evaluated by: split

91-1871

930 { -

931 /* We don't use the stdout buffer here since we're writing -

932 large chunks from an existing file, so it's more efficient -

933 to write out directly. */ -

934

if (full_write (STDOUT_FILENO, bp, to_write) != to_write)

full_write ( 1...e) != to_write	Description
TRUE	never evaluated
FALSE	evaluated 91 times by 1 test Evaluated by: split

0-91

935

die (EXIT_FAILURE, errno, "%s", _("write error"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", dcgettext (((void *)0), \"write error\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , "%s", dcgettext (((void *)0), "write error" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", dcgettext (((void *)0), "write error" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

936

}

executed 91 times by 1 test: end of block

Executed by:

split

937

else if (! k)

! k	Description
TRUE	evaluated 1822 times by 1 test Evaluated by: split
FALSE	evaluated 49 times by 1 test Evaluated by: split

49-1822

938

cwrite (new_file_flag, bp, to_write);

executed 1822 times by 1 test: cwrite (new_file_flag, bp, to_write);

Executed by:

split

1822

939 n_written += to_write; -

940 bp += to_write; -

941 n_read -= to_write; -

942 new_file_flag = next; -

943 -

944 /* A line could have been so long that it skipped -

945 entire chunks. So create empty files in that case. */ -

946

while (next || chunk_end <= n_written - 1)

next	Description
TRUE	evaluated 841 times by 1 test Evaluated by: split
FALSE	evaluated 1929 times by 1 test Evaluated by: split

chunk_end <= n_written - 1	Description
TRUE	evaluated 414 times by 1 test Evaluated by: split
FALSE	evaluated 1515 times by 1 test Evaluated by: split

414-1929

947 { -

948

if (!next && bp == eob)

!next	Description
TRUE	evaluated 414 times by 1 test Evaluated by: split
FALSE	evaluated 841 times by 1 test Evaluated by: split

bp == eob	Description
TRUE	evaluated 414 times by 1 test Evaluated by: split
FALSE	never evaluated

0-841

949 { -

950 /* replenish buf, before going to next chunk. */ -

951 chunk_truncated = true; -

952

break;

executed 414 times by 1 test: break;

Executed by:

split

414

953 } -

954 chunk_no++; -

955

if (k && chunk_no > k)

k	Description
TRUE	evaluated 67 times by 1 test Evaluated by: split
FALSE	evaluated 774 times by 1 test Evaluated by: split

chunk_no > k	Description
TRUE	evaluated 33 times by 1 test Evaluated by: split
FALSE	evaluated 34 times by 1 test Evaluated by: split

33-774

956

return;

executed 33 times by 1 test: return;

Executed by:

split

957

if (chunk_no == n)

chunk_no == n	Description
TRUE	evaluated 68 times by 1 test Evaluated by: split
FALSE	evaluated 740 times by 1 test Evaluated by: split

68-740

958

chunk_end = file_size - 1; /* >= chunk_size. */

executed 68 times by 1 test: chunk_end = file_size - 1;

Executed by:

split

959 else -

960

chunk_end += chunk_size;

executed 740 times by 1 test: chunk_end += chunk_size;

Executed by:

split

740

961

if (chunk_end <= n_written - 1)

chunk_end <= n_written - 1	Description
TRUE	evaluated 127 times by 1 test Evaluated by: split
FALSE	evaluated 681 times by 1 test Evaluated by: split

127-681

962 { -

963

if (! k)

! k	Description
TRUE	evaluated 120 times by 1 test Evaluated by: split
FALSE	evaluated 7 times by 1 test Evaluated by: split

7-120

964

cwrite (true, NULL, 0);

executed 120 times by 1 test: cwrite ( 1 , ((void *)0) , 0);

Executed by:

split

120

965

}

executed 127 times by 1 test: end of block

Executed by:

split

127

966 else -

967

next = false;

executed 681 times by 1 test: next = 0 ;

Executed by:

split

681

968 } -

969

}

executed 1929 times by 1 test: end of block

Executed by:

split

1929

970

}

executed 1553 times by 1 test: end of block

Executed by:

split

1553

971 -

972

if (chunk_truncated)

chunk_truncated	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 68 times by 1 test Evaluated by: split

1-68

973

chunk_no++;

executed 1 time by 1 test: chunk_no++;

Executed by:

split

974 -

975 /* Ensure NUMBER files are created, which truncates -

976 any existing files or notifies any consumers on fifos. -

977 FIXME: Should we do this before EXIT_FAILURE? */ -

978

while (!k && chunk_no++ <= n)

!k	Description
TRUE	evaluated 88 times by 1 test Evaluated by: split
FALSE	evaluated 1 time by 1 test Evaluated by: split

chunk_no++ <= n	Description
TRUE	evaluated 20 times by 1 test Evaluated by: split
FALSE	evaluated 68 times by 1 test Evaluated by: split

1-88

979

cwrite (true, NULL, 0);

executed 20 times by 1 test: cwrite ( 1 , ((void *)0) , 0);

Executed by:

split

980

}

executed 69 times by 1 test: end of block

Executed by:

split

981 -

982 /* -n K/N: Extract Kth of N chunks. */ -

983 -

984 static void -

985 bytes_chunk_extract (uintmax_t k, uintmax_t n, char *buf, size_t bufsize, -

986 size_t initial_read, off_t file_size) -

987 { -

988 off_t start; -

989 off_t end; -

990 -

991 assert (k && n && k <= n && n <= file_size); -

992 -

993 start = (k - 1) * (file_size / n); -

994

end = (k == n) ? file_size : k * (file_size / n);

(k == n)	Description
TRUE	evaluated 3 times by 1 test Evaluated by: split
FALSE	evaluated 7 times by 1 test Evaluated by: split

3-7

995 -

996

if (start < initial_read)

start < initial_read	Description
TRUE	evaluated 8 times by 1 test Evaluated by: split
FALSE	evaluated 2 times by 1 test Evaluated by: split

2-8

997 { -

998 memmove (buf, buf + start, initial_read - start); -

999 initial_read -= start; -

1000

}

executed 8 times by 1 test: end of block

Executed by:

split

1001 else -

1002 { -

1003

if (lseek (STDIN_FILENO, start, SEEK_CUR) < 0)

lseek ( 0 , start, 1 ) < 0	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: split

0-2

1004

die (EXIT_FAILURE, errno, "%s", quotef (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1005 initial_read = SIZE_MAX; -

1006

}

executed 2 times by 1 test: end of block

Executed by:

split

1007 -

1008

while (start < end)

start < end	Description
TRUE	evaluated 10 times by 1 test Evaluated by: split
FALSE	evaluated 8 times by 1 test Evaluated by: split

8-10

1009 { -

1010 size_t n_read; -

1011

if (initial_read != SIZE_MAX)

initial_read !...73709551615UL)	Description
TRUE	evaluated 8 times by 1 test Evaluated by: split
FALSE	evaluated 2 times by 1 test Evaluated by: split

2-8

1012 { -

1013 n_read = initial_read; -

1014 initial_read = SIZE_MAX; -

1015

}

executed 8 times by 1 test: end of block

Executed by:

split

1016 else -

1017 { -

1018 n_read = safe_read (STDIN_FILENO, buf, bufsize); -

1019

if (n_read == SAFE_READ_ERROR)

n_read == ((size_t) -1)	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: split

0-2

1020

die (EXIT_FAILURE, errno, "%s", quotef (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1021

}

executed 2 times by 1 test: end of block

Executed by:

split

1022

if (n_read == 0)

n_read == 0	Description
TRUE	evaluated 2 times by 1 test Evaluated by: split
FALSE	evaluated 8 times by 1 test Evaluated by: split

2-8

1023

break; /* eof. */

executed 2 times by 1 test: break;

Executed by:

split

1024

n_read = MIN (n_read, end - start);

(( n_read )<( end - start ))	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: split

0-8

1025

if (full_write (STDOUT_FILENO, buf, n_read) != n_read

full_write ( 1...ead) != n_read	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: split

0-8

1026

&& ! ignorable (errno))

! ignorable ( ...location ()) )	Description
TRUE	never evaluated
FALSE	never evaluated

1027

die (EXIT_FAILURE, errno, "%s", quotef ("-"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, \"-\")), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ())...yle_colon (0, shell_escape_quoting_style, "-")), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, "-")), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1028 start += n_read; -

1029

}

executed 8 times by 1 test: end of block

Executed by:

split

1030

}

executed 10 times by 1 test: end of block

Executed by:

split

1031 -

1032 typedef struct of_info -

1033 { -

1034 char *of_name; -

1035 int ofd; -

1036 FILE *ofile; -

1037 int opid; -

1038 } of_t; -

1039 -

1040 enum -

1041 { -

1042 OFD_NEW = -1, -

1043 OFD_APPEND = -2 -

1044 }; -

1045 -

1046 /* Rotate file descriptors when we're writing to more output files than we -

1047 have available file descriptors. -

1048 Return whether we came under file resource pressure. -

1049 If so, it's probably best to close each file when finished with it. */ -

1050 -

1051 static bool -

1052 ofile_open (of_t *files, size_t i_check, size_t nfiles) -

1053 { -

1054 bool file_limit = false; -

1055 -

1056

if (files[i_check].ofd <= OFD_NEW)

files[i_check].ofd <= OFD_NEW	Description
TRUE	evaluated 213 times by 1 test Evaluated by: split
FALSE	evaluated 605136 times by 1 test Evaluated by: split

213-605136

1057 { -

1058 int fd; -

1059

size_t i_reopen = i_check ? i_check - 1 : nfiles - 1;

i_check	Description
TRUE	evaluated 199 times by 1 test Evaluated by: split
FALSE	evaluated 14 times by 1 test Evaluated by: split

14-199

1060 -

1061 /* Another process could have opened a file in between the calls to -

1062 close and open, so we should keep trying until open succeeds or -

1063 we've closed all of our files. */ -

1064 while (true) -

1065 { -

1066

if (files[i_check].ofd == OFD_NEW)

files[i_check].ofd == OFD_NEW	Description
TRUE	evaluated 169 times by 1 test Evaluated by: split
FALSE	evaluated 45 times by 1 test Evaluated by: split

45-169

1067

fd = create (files[i_check].of_name);

executed 169 times by 1 test: fd = create (files[i_check].of_name);

Executed by:

split

169

1068 else /* OFD_APPEND */ -

1069 { -

1070 /* Attempt to append to previously opened file. -

1071 We use O_NONBLOCK to support writing to fifos, -

1072 where the other end has closed because of our -

1073 previous close. In that case we'll immediately -

1074 get an error, rather than waiting indefinitely. -

1075 In specialised cases the consumer can keep reading -

1076 from the fifo, terminating on conditions in the data -

1077 itself, or perhaps never in the case of 'tail -f'. -

1078 I.e., for fifos it is valid to attempt this reopen. -

1079 -

1080 We don't handle the filter_command case here, as create() -

1081 will exit if there are not enough files in that case. -

1082 I.e., we don't support restarting filters, as that would -

1083 put too much burden on users specifying --filter commands. */ -

1084 fd = open (files[i_check].of_name, -

1085 O_WRONLY | O_BINARY | O_APPEND | O_NONBLOCK); -

1086

}

executed 45 times by 1 test: end of block

Executed by:

split

1087 -

1088

if (-1 < fd)

-1 < fd	Description
TRUE	evaluated 213 times by 1 test Evaluated by: split
FALSE	evaluated 1 time by 1 test Evaluated by: split

1-213

1089

break;

executed 213 times by 1 test: break;

Executed by:

split

213

1090 -

1091

if (!(errno == EMFILE || errno == ENFILE))

(*__errno_location ()) == 24	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	never evaluated

(*__errno_location ()) == 23	Description
TRUE	never evaluated
FALSE	never evaluated

0-1

1092

die (EXIT_FAILURE, errno, "%s", quotef (files[i_check].of_name));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_check].of_name)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__e...le, files[i_check].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_check].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1093 -

1094 file_limit = true; -

1095 -

1096 /* Search backwards for an open file to close. */ -

1097

while (files[i_reopen].ofd < 0)

files[i_reopen].ofd < 0	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: split

0-1

1098 { -

1099

i_reopen = i_reopen ? i_reopen - 1 : nfiles - 1;

i_reopen	Description
TRUE	never evaluated
FALSE	never evaluated

1100 /* No more open files to close, exit with E[NM]FILE. */ -

1101

if (i_reopen == i_check)

i_reopen == i_check	Description
TRUE	never evaluated
FALSE	never evaluated

1102

die (EXIT_FAILURE, errno, "%s",

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_check].of_name)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__e...e, files[i_check].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_check].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

1103

quotef (files[i_check].of_name));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_check].of_name)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__e...e, files[i_check].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_check].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

1104

}

never executed: end of block

1105 -

1106

if (fclose (files[i_reopen].ofile) != 0)

rpl_fclose (fi...n].ofile) != 0	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: split

0-1

1107

die (EXIT_FAILURE, errno, "%s", quotef (files[i_reopen].of_name));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_reopen].of_name)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__..., files[i_reopen].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_reopen].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1108 files[i_reopen].ofile = NULL; -

1109 files[i_reopen].ofd = OFD_APPEND; -

1110

}

executed 1 time by 1 test: end of block

Executed by:

split

1111 -

1112 files[i_check].ofd = fd; -

1113

if (!(files[i_check].ofile = fdopen (fd, "a")))

!(files[i_chec...pen (fd, "a"))	Description
TRUE	never evaluated
FALSE	evaluated 213 times by 1 test Evaluated by: split

0-213

1114

die (EXIT_FAILURE, errno, "%s", quotef (files[i_check].of_name));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_check].of_name)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__e...le, files[i_check].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, files[i_check].of_name)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1115 files[i_check].opid = filter_pid; -

1116 filter_pid = 0; -

1117

}

executed 213 times by 1 test: end of block

Executed by:

split

213

1118 -

1119

return file_limit;

executed 605349 times by 1 test: return file_limit;

Executed by:

split

605349

1120 } -

1121 -

1122 /* -n r/[K/]N: Divide file into N chunks in round robin fashion. -

1123 When K == 0, we try to keep the files open in parallel. -

1124 If we run out of file resources, then we revert -

1125 to opening and closing each file for each line. */ -

1126 -

1127 static void -

1128 lines_rr (uintmax_t k, uintmax_t n, char *buf, size_t bufsize) -

1129 { -

1130 bool wrapped = false; -

1131 bool wrote = false; -

1132 bool file_limit; -

1133 size_t i_file; -

1134 of_t *files IF_LINT (= NULL); -

1135 uintmax_t line_no; -

1136 -

1137

if (k)

k	Description
TRUE	evaluated 5 times by 1 test Evaluated by: split
FALSE	evaluated 14 times by 1 test Evaluated by: split

5-14

1138

line_no = 1;

executed 5 times by 1 test: line_no = 1;

Executed by:

split

1139 else -

1140 { -

1141

if (SIZE_MAX < n)

(18446744073709551615UL) < n	Description
TRUE	never evaluated
FALSE	evaluated 14 times by 1 test Evaluated by: split

0-14

1142

xalloc_die ();

never executed: xalloc_die ();

1143 files = xnmalloc (n, sizeof *files); -

1144 -

1145 /* Generate output file names. */ -

1146

for (i_file = 0; i_file < n; i_file++)

i_file < n	Description
TRUE	evaluated 178 times by 1 test Evaluated by: split
FALSE	evaluated 14 times by 1 test Evaluated by: split

14-178

1147 { -

1148 next_file_name (); -

1149 files[i_file].of_name = xstrdup (outfile); -

1150 files[i_file].ofd = OFD_NEW; -

1151 files[i_file].ofile = NULL; -

1152 files[i_file].opid = 0; -

1153

}

executed 178 times by 1 test: end of block

Executed by:

split

178

1154 i_file = 0; -

1155 file_limit = false; -

1156

}

executed 14 times by 1 test: end of block

Executed by:

split

1157 -

1158 while (true) -

1159 { -

1160 char *bp = buf, *eob; -

1161 size_t n_read = safe_read (STDIN_FILENO, buf, bufsize); -

1162

if (n_read == SAFE_READ_ERROR)

n_read == ((size_t) -1)	Description
TRUE	never evaluated
FALSE	evaluated 800 times by 1 test Evaluated by: split

0-800

1163

die (EXIT_FAILURE, errno, "%s", quotef (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1164

else if (n_read == 0)

n_read == 0	Description
TRUE	evaluated 17 times by 1 test Evaluated by: split
FALSE	evaluated 783 times by 1 test Evaluated by: split

17-783

1165

break; /* eof. */

executed 17 times by 1 test: break;

Executed by:

split

1166 eob = buf + n_read; -

1167 -

1168

while (bp != eob)

bp != eob	Description
TRUE	evaluated 605259 times by 1 test Evaluated by: split
FALSE	evaluated 781 times by 1 test Evaluated by: split

781-605259

1169 { -

1170 size_t to_write; -

1171 bool next = false; -

1172 -

1173 /* Find end of line. */ -

1174 char *bp_out = memchr (bp, eolchar, eob - bp); -

1175

if (bp_out)

bp_out	Description
TRUE	evaluated 604595 times by 1 test Evaluated by: split
FALSE	evaluated 664 times by 1 test Evaluated by: split

664-604595

1176 { -

1177 bp_out++; -

1178 next = true; -

1179

}

executed 604595 times by 1 test: end of block

Executed by:

split

604595

1180 else -

1181

bp_out = eob;

executed 664 times by 1 test: bp_out = eob;

Executed by:

split

664

1182 to_write = bp_out - bp; -

1183 -

1184

if (k)

k	Description
TRUE	evaluated 20 times by 1 test Evaluated by: split
FALSE	evaluated 605239 times by 1 test Evaluated by: split

20-605239

1185 { -

1186

if (line_no == k && unbuffered)

line_no == k	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	evaluated 13 times by 1 test Evaluated by: split

unbuffered	Description
TRUE	never evaluated
FALSE	evaluated 7 times by 1 test Evaluated by: split

0-13

1187 { -

1188

if (full_write (STDOUT_FILENO, bp, to_write) != to_write)

full_write ( 1...e) != to_write	Description
TRUE	never evaluated
FALSE	never evaluated

1189

die (EXIT_FAILURE, errno, "%s", _("write error"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", dcgettext (((void *)0), \"write error\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , "%s", dcgettext (((void *)0), "write error" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", dcgettext (((void *)0), "write error" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1190

}

never executed: end of block

1191

else if (line_no == k && fwrite (bp, to_write, 1, stdout) != 1)

never executed: break;

(__builtin_exp...r++))) == (-1)	Description
TRUE	never evaluated
FALSE	never evaluated

__cnt > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_expe...write_end), 0)	Description
TRUE	never evaluated
FALSE	never evaluated

line_no == k	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	evaluated 13 times by 1 test Evaluated by: split

(__extension__...tdout)))) != 1	Description
TRUE	never evaluated
FALSE	evaluated 7 times by 1 test Evaluated by: split

__builtin_cons...p ( to_write )	Description
TRUE	never evaluated
FALSE	evaluated 7 times by 1 test Evaluated by: split

__builtin_constant_p ( 1 )	Description
TRUE	never evaluated
FALSE	never evaluated

(size_t) ( to_..._t) ( 1 ) <= 8	Description
TRUE	never evaluated
FALSE	never evaluated

(size_t) ( to_write ) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_cons...p ( to_write )	Description
TRUE	never evaluated
FALSE	evaluated 7 times by 1 test Evaluated by: split

(size_t) ( to_write ) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_constant_p ( 1 )	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	never evaluated

(size_t) ( 1 ) == 0	Description
TRUE	never evaluated
FALSE	evaluated 7 times by 1 test Evaluated by: split

0-13

1192 { -

1193 clearerr (stdout); /* To silence close_stdout(). */ -

1194 die (EXIT_FAILURE, errno, "%s", _("write error")); -

1195

}

never executed: end of block

1196

if (next)

next	Description
TRUE	evaluated 19 times by 1 test Evaluated by: split
FALSE	evaluated 1 time by 1 test Evaluated by: split

1-19

1197

line_no = (line_no == n) ? 1 : line_no + 1;

executed 19 times by 1 test: line_no = (line_no == n) ? 1 : line_no + 1;

Executed by:

split

(line_no == n)	Description
TRUE	evaluated 4 times by 1 test Evaluated by: split
FALSE	evaluated 15 times by 1 test Evaluated by: split

4-19

1198

}

executed 20 times by 1 test: end of block

Executed by:

split

1199 else -

1200 { -

1201 /* Secure file descriptor. */ -

1202 file_limit |= ofile_open (files, i_file, n); -

1203

if (unbuffered)

unbuffered	Description
TRUE	never evaluated
FALSE	evaluated 605239 times by 1 test Evaluated by: split

0-605239

1204 { -

1205 /* Note writing to fd, rather than flushing the FILE gives -

1206 an 8% performance benefit, due to reduced data copying. */ -

1207

if (full_write (files[i_file].ofd, bp, to_write) != to_write

full_write (fi...e) != to_write	Description
TRUE	never evaluated
FALSE	never evaluated

1208

&& ! ignorable (errno))

! ignorable ( ...location ()) )	Description
TRUE	never evaluated
FALSE	never evaluated

1209 { -

1210 die (EXIT_FAILURE, errno, "%s", -

1211 quotef (files[i_file].of_name)); -

1212

}

never executed: end of block

1213

}

never executed: end of block

1214

else if (fwrite (bp, to_write, 1, files[i_file].ofile) != 1

never executed: break;

(__builtin_exp...r++))) == (-1)	Description
TRUE	never evaluated
FALSE	never evaluated

__cnt > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_expe...write_end), 0)	Description
TRUE	never evaluated
FALSE	never evaluated

(__extension__...file )))) != 1	Description
TRUE	evaluated 3 times by 1 test Evaluated by: split
FALSE	evaluated 605236 times by 1 test Evaluated by: split

__builtin_cons...p ( to_write )	Description
TRUE	never evaluated
FALSE	evaluated 605239 times by 1 test Evaluated by: split

__builtin_constant_p ( 1 )	Description
TRUE	never evaluated
FALSE	never evaluated

(size_t) ( to_..._t) ( 1 ) <= 8	Description
TRUE	never evaluated
FALSE	never evaluated

(size_t) ( to_write ) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_cons...p ( to_write )	Description
TRUE	never evaluated
FALSE	evaluated 605239 times by 1 test Evaluated by: split

(size_t) ( to_write ) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_constant_p ( 1 )	Description
TRUE	evaluated 605239 times by 1 test Evaluated by: split
FALSE	never evaluated

(size_t) ( 1 ) == 0	Description
TRUE	never evaluated
FALSE	evaluated 605239 times by 1 test Evaluated by: split

0-605239

1215

&& ! ignorable (errno))

! ignorable ( ...location ()) )	Description
TRUE	never evaluated
FALSE	evaluated 3 times by 1 test Evaluated by: split

0-3

1216 { -

1217 die (EXIT_FAILURE, errno, "%s", -

1218 quotef (files[i_file].of_name)); -

1219

}

never executed: end of block

1220 -

1221

if (! ignorable (errno))

! ignorable ( ...location ()) )	Description
TRUE	evaluated 605236 times by 1 test Evaluated by: split
FALSE	evaluated 3 times by 1 test Evaluated by: split

3-605236

1222

wrote = true;

executed 605236 times by 1 test: wrote = 1 ;

Executed by:

split

605236

1223 -

1224

if (file_limit)

file_limit	Description
TRUE	evaluated 74 times by 1 test Evaluated by: split
FALSE	evaluated 605165 times by 1 test Evaluated by: split

74-605165

1225 { -

1226

if (fclose (files[i_file].ofile) != 0)

rpl_fclose (fi...e].ofile) != 0	Description
TRUE	never evaluated
FALSE	evaluated 74 times by 1 test Evaluated by: split

0-74

1227 { -

1228 die (EXIT_FAILURE, errno, "%s", -

1229 quotef (files[i_file].of_name)); -

1230

}

never executed: end of block

1231 files[i_file].ofile = NULL; -

1232 files[i_file].ofd = OFD_APPEND; -

1233

}

executed 74 times by 1 test: end of block

Executed by:

split

1234

if (next && ++i_file == n)

next	Description
TRUE	evaluated 604576 times by 1 test Evaluated by: split
FALSE	evaluated 663 times by 1 test Evaluated by: split

++i_file == n	Description
TRUE	evaluated 194644 times by 1 test Evaluated by: split
FALSE	evaluated 409932 times by 1 test Evaluated by: split

663-604576

1235 { -

1236 wrapped = true; -

1237 /* If no filters are accepting input, stop reading. */ -

1238

if (! wrote)

! wrote	Description
TRUE	evaluated 2 times by 1 test Evaluated by: split
FALSE	evaluated 194642 times by 1 test Evaluated by: split

2-194642

1239

goto no_filters;

executed 2 times by 1 test: goto no_filters;

Executed by:

split

1240 wrote = false; -

1241 i_file = 0; -

1242

}

executed 194642 times by 1 test: end of block

Executed by:

split

194642

1243

}

executed 605237 times by 1 test: end of block

Executed by:

split

605237

1244 -

1245 bp = bp_out; -

1246

}

executed 605257 times by 1 test: end of block

Executed by:

split

605257

1247

}

executed 781 times by 1 test: end of block

Executed by:

split

781

1248 -

1249

no_filters:

code before this statement executed 17 times by 1 test: no_filters:

Executed by:

split

1250 /* Ensure all files created, so that any existing files are truncated, -

1251 and to signal any waiting fifo consumers. -

1252 Also, close any open file descriptors. -

1253 FIXME: Should we do this before EXIT_FAILURE? */ -

1254

if (!k)

!k	Description
TRUE	evaluated 14 times by 1 test Evaluated by: split
FALSE	evaluated 5 times by 1 test Evaluated by: split

5-14

1255 { -

1256

int ceiling = (wrapped ? n : i_file);

wrapped	Description
TRUE	evaluated 11 times by 1 test Evaluated by: split
FALSE	evaluated 3 times by 1 test Evaluated by: split

3-11

1257

for (i_file = 0; i_file < n; i_file++)

i_file < n	Description
TRUE	evaluated 178 times by 1 test Evaluated by: split
FALSE	evaluated 14 times by 1 test Evaluated by: split

14-178

1258 { -

1259

if (i_file >= ceiling && !elide_empty_files)

i_file >= ceiling	Description
TRUE	evaluated 120 times by 1 test Evaluated by: split
FALSE	evaluated 58 times by 1 test Evaluated by: split

!elide_empty_files	Description
TRUE	evaluated 110 times by 1 test Evaluated by: split
FALSE	evaluated 10 times by 1 test Evaluated by: split

10-120

1260

file_limit |= ofile_open (files, i_file, n);

executed 110 times by 1 test: file_limit |= ofile_open (files, i_file, n);

Executed by:

split

110

1261

if (files[i_file].ofd >= 0)

files[i_file].ofd >= 0	Description
TRUE	evaluated 138 times by 1 test Evaluated by: split
FALSE	evaluated 40 times by 1 test Evaluated by: split

40-138

1262

closeout (files[i_file].ofile, files[i_file].ofd,

executed 138 times by 1 test: closeout (files[i_file].ofile, files[i_file].ofd, files[i_file].opid, files[i_file].of_name);

Executed by:

split

138

1263

files[i_file].opid, files[i_file].of_name);

executed 138 times by 1 test: closeout (files[i_file].ofile, files[i_file].ofd, files[i_file].opid, files[i_file].of_name);

Executed by:

split

138

1264 files[i_file].ofd = OFD_APPEND; -

1265

}

executed 178 times by 1 test: end of block

Executed by:

split

178

1266

}

executed 14 times by 1 test: end of block

Executed by:

split

1267 IF_LINT (free (files)); -

1268

}

executed 19 times by 1 test: end of block

Executed by:

split

1269 -

1270 #define FAIL_ONLY_ONE_WAY() \ -

1271 do \ -

1272 { \ -

1273 error (0, 0, _("cannot split in more than one way")); \ -

1274 usage (EXIT_FAILURE); \ -

1275 } \ -

1276 while (0) -

1277 -

1278 -

1279 /* Parse K/N syntax of chunk options. */ -

1280 -

1281 static void -

1282 parse_chunk (uintmax_t *k_units, uintmax_t *n_units, char *slash) -

1283 { -

1284 *n_units = xdectoumax (slash + 1, 1, UINTMAX_MAX, "", -

1285 _("invalid number of chunks"), 0); -

1286

if (slash != optarg) /* a leading number is specified. */

slash != optarg	Description
TRUE	evaluated 54 times by 1 test Evaluated by: split
FALSE	never evaluated

0-54

1287 { -

1288 *slash = '\0'; -

1289 *k_units = xdectoumax (optarg, 1, *n_units, "", -

1290 _("invalid chunk number"), 0); -

1291

}

executed 51 times by 1 test: end of block

Executed by:

split

1292

}

executed 51 times by 1 test: end of block

Executed by:

split

1293 -

1294 -

1295 int -

1296 main (int argc, char **argv) -

1297 { -

1298 enum Split_type split_type = type_undef; -

1299 size_t in_blk_size = 0; /* optimal block size of input file device */ -

1300 size_t page_size = getpagesize (); -

1301 uintmax_t k_units = 0; -

1302 uintmax_t n_units = 0; -

1303 -

1304 static char const multipliers[] = "bEGKkMmPTYZ0"; -

1305 int c; -

1306 int digits_optind = 0; -

1307 off_t file_size = OFF_T_MAX; -

1308 -

1309 initialize_main (&argc, &argv); -

1310 set_program_name (argv[0]); -

1311 setlocale (LC_ALL, ""); -

1312 bindtextdomain (PACKAGE, LOCALEDIR); -

1313 textdomain (PACKAGE); -

1314 -

1315 atexit (close_stdout); -

1316 -

1317 /* Parse command line options. */ -

1318 -

1319 infile = bad_cast ("-"); -

1320 outbase = bad_cast ("x"); -

1321 -

1322 while (true) -

1323 { -

1324 /* This is the argv-index of the option we will read next. */ -

1325

int this_optind = optind ? optind : 1;

optind	Description
TRUE	evaluated 1327 times by 1 test Evaluated by: split
FALSE	never evaluated

0-1327

1326 char *slash; -

1327 -

1328 c = getopt_long (argc, argv, "0123456789C:a:b:del:n:t:ux", -

1329 longopts, NULL); -

1330

if (c == -1)

c == -1	Description
TRUE	evaluated 417 times by 1 test Evaluated by: split
FALSE	evaluated 910 times by 1 test Evaluated by: split

417-910

1331

break;

executed 417 times by 1 test: break;

Executed by:

split

417

1332 -

1333 switch (c) -

1334 { -

1335

case 'a':

executed 11 times by 1 test: case 'a':

Executed by:

split

1336 suffix_length = xdectoumax (optarg, 0, SIZE_MAX / sizeof (size_t), -

1337 "", _("invalid suffix length"), 0); -

1338

break;

executed 9 times by 1 test: break;

Executed by:

split

1339 -

1340

case ADDITIONAL_SUFFIX_OPTION:

executed 9 times by 1 test: case ADDITIONAL_SUFFIX_OPTION:

Executed by:

split

1341

if (last_component (optarg) != optarg)

last_component...arg) != optarg	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 8 times by 1 test Evaluated by: split

1-8

1342 { -

1343 error (0, 0, -

1344 _("invalid suffix %s, contains directory separator"), -

1345 quote (optarg)); -

1346 usage (EXIT_FAILURE); -

1347

}

never executed: end of block

1348 additional_suffix = optarg; -

1349

break;

executed 8 times by 1 test: break;

Executed by:

split

1350 -

1351

case 'b':

executed 17 times by 1 test: case 'b':

Executed by:

split

1352

if (split_type != type_undef)

split_type != type_undef	Description
TRUE	never evaluated
FALSE	evaluated 17 times by 1 test Evaluated by: split

0-17

1353

FAIL_ONLY_ONE_WAY ();

never executed: end of block

1354 split_type = type_bytes; -

1355 /* Limit to OFF_T_MAX, because if input is a pipe, we could get more -

1356 data than is possible to write to a single file, so indicate that -

1357 immediately rather than having possibly future invocations fail. */ -

1358 n_units = xdectoumax (optarg, 1, OFF_T_MAX, multipliers, -

1359 _("invalid number of bytes"), 0); -

1360

break;

executed 14 times by 1 test: break;

Executed by:

split

1361 -

1362

case 'l':

executed 19 times by 1 test: case 'l':

Executed by:

split

1363

if (split_type != type_undef)

split_type != type_undef	Description
TRUE	never evaluated
FALSE	evaluated 19 times by 1 test Evaluated by: split

0-19

1364

FAIL_ONLY_ONE_WAY ();

never executed: end of block

1365 split_type = type_lines; -

1366 n_units = xdectoumax (optarg, 1, UINTMAX_MAX, "", -

1367 _("invalid number of lines"), 0); -

1368

break;

executed 16 times by 1 test: break;

Executed by:

split

1369 -

1370

case 'C':

executed 242 times by 1 test: case 'C':

Executed by:

split

242

1371

if (split_type != type_undef)

split_type != type_undef	Description
TRUE	never evaluated
FALSE	evaluated 242 times by 1 test Evaluated by: split

0-242

1372

FAIL_ONLY_ONE_WAY ();

never executed: end of block

1373 split_type = type_byteslines; -

1374 n_units = xdectoumax (optarg, 1, MIN (SIZE_MAX, OFF_T_MAX), -

1375 multipliers, _("invalid number of bytes"), 0); -

1376

break;

executed 237 times by 1 test: break;

Executed by:

split

237

1377 -

1378

case 'n':

executed 152 times by 1 test: case 'n':

Executed by:

split

152

1379

if (split_type != type_undef)

split_type != type_undef	Description
TRUE	never evaluated
FALSE	evaluated 152 times by 1 test Evaluated by: split

0-152

1380

FAIL_ONLY_ONE_WAY ();

never executed: end of block

1381 /* skip any whitespace */ -

1382

while (isspace (to_uchar (*optarg)))

((*__ctype_b_l...int) _ISspace)	Description
TRUE	never evaluated
FALSE	evaluated 152 times by 1 test Evaluated by: split

0-152

1383

optarg++;

never executed: optarg++;

1384

if (STRNCMP_LIT (optarg, "r/") == 0)

never executed: __result = (((const unsigned char *) (const char *) ( optarg ))[3] - __s2[3]);

never executed: end of block

never executed: __result = (((const unsigned char *) (const char *) ( "" "r/" "" ))[3] - __s2[3]);

never executed: end of block

(__extension__...) - 1 ))) == 0	Description
TRUE	evaluated 21 times by 1 test Evaluated by: split
FALSE	evaluated 131 times by 1 test Evaluated by: split

__builtin_cons...f ("r/") - 1 )	Description
TRUE	evaluated 152 times by 1 test Evaluated by: split
FALSE	never evaluated

__builtin_cons...t_p ( optarg )	Description
TRUE	never evaluated
FALSE	evaluated 152 times by 1 test Evaluated by: split

strlen ( optar... ("r/") - 1 ))	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_cons...( "" "r/" "" )	Description
TRUE	evaluated 152 times by 1 test Evaluated by: split
FALSE	never evaluated

strlen ( "" "r... ("r/") - 1 ))	Description
TRUE	never evaluated
FALSE	evaluated 152 times by 1 test Evaluated by: split

__s1_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0-152

1385 { -

1386 split_type = type_rr; -

1387 optarg += 2; -

1388

}

executed 21 times by 1 test: end of block

Executed by:

split

1389

else if (STRNCMP_LIT (optarg, "l/") == 0)

never executed: __result = (((const unsigned char *) (const char *) ( optarg ))[3] - __s2[3]);

never executed: end of block

never executed: __result = (((const unsigned char *) (const char *) ( "" "l/" "" ))[3] - __s2[3]);

never executed: end of block

(__extension__...) - 1 ))) == 0	Description
TRUE	evaluated 106 times by 1 test Evaluated by: split
FALSE	evaluated 25 times by 1 test Evaluated by: split

__builtin_cons...f ("l/") - 1 )	Description
TRUE	evaluated 131 times by 1 test Evaluated by: split
FALSE	never evaluated

__builtin_cons...t_p ( optarg )	Description
TRUE	never evaluated
FALSE	evaluated 131 times by 1 test Evaluated by: split

strlen ( optar... ("l/") - 1 ))	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_cons...( "" "l/" "" )	Description
TRUE	evaluated 131 times by 1 test Evaluated by: split
FALSE	never evaluated

strlen ( "" "l... ("l/") - 1 ))	Description
TRUE	never evaluated
FALSE	evaluated 131 times by 1 test Evaluated by: split

__s1_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0-131

1390 { -

1391 split_type = type_chunk_lines; -

1392 optarg += 2; -

1393

}

executed 106 times by 1 test: end of block

Executed by:

split

106

1394 else -

1395

split_type = type_chunk_bytes;

executed 25 times by 1 test: split_type = type_chunk_bytes;

Executed by:

split

1396

if ((slash = strchr (optarg, '/')))

(slash = (__ex...rg , '/' ))) )	Description
TRUE	evaluated 55 times by 1 test Evaluated by: split
FALSE	evaluated 97 times by 1 test Evaluated by: split

__builtin_constant_p ( '/' )	Description
TRUE	evaluated 152 times by 1 test Evaluated by: split
FALSE	never evaluated

!__builtin_con...t_p ( optarg )	Description
TRUE	evaluated 152 times by 1 test Evaluated by: split
FALSE	never evaluated

( '/' ) == '\0'	Description
TRUE	never evaluated
FALSE	evaluated 152 times by 1 test Evaluated by: split

0-152

1397

parse_chunk (&k_units, &n_units, slash);

executed 55 times by 1 test: parse_chunk (&k_units, &n_units, slash);

Executed by:

split

1398 else -

1399

n_units = xdectoumax (optarg, 1, UINTMAX_MAX, "",

executed 97 times by 1 test:

n_units = xdectoumax (optarg, 1, (18446744073709551615UL) , "", dcgettext (((void *)0), "invalid number of chunks" , 5) , 0);

Executed by:

split

1400

_("invalid number of chunks"), 0);

executed 97 times by 1 test:

n_units = xdectoumax (optarg, 1, (18446744073709551615UL) , "", dcgettext (((void *)0), "invalid number of chunks" , 5) , 0);

Executed by:

split

1401

break;

executed 143 times by 1 test: break;

Executed by:

split

143

1402 -

1403

case 'u':

executed 2 times by 1 test: case 'u':

Executed by:

split

1404 unbuffered = true; -

1405

break;

executed 2 times by 1 test: break;

Executed by:

split

1406 -

1407

case 't':

executed 21 times by 1 test: case 't':

Executed by:

split

1408 { -

1409 char neweol = optarg[0]; -

1410

if (! neweol)

! neweol	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 1 test Evaluated by: split

0-21

1411

die (EXIT_FAILURE, 0, _("empty record separator"));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, dcgettext (((void *)0), \"empty record separator\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , 0, dcgettext (((void *)0), "empty record separator" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, dcgettext (((void *)0), "empty record separator" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1412

if (optarg[1])

optarg[1]	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	evaluated 14 times by 1 test Evaluated by: split

7-14

1413 { -

1414

if (STREQ (optarg, "\\0"))

never executed: __result = (((const unsigned char *) (const char *) ( optarg ))[3] - __s2[3]);

never executed: end of block

never executed: __result = (((const unsigned char *) (const char *) ( "\\0" ))[3] - __s2[3]);

executed 4 times by 1 test: end of block

Executed by:

split

executed 4 times by 1 test: end of block

Executed by:

split

( __extension_...)))); }) == 0)	Description
TRUE	evaluated 4 times by 1 test Evaluated by: split
FALSE	evaluated 3 times by 1 test Evaluated by: split

__s1_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 0	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	never evaluated

__result == 0	Description
TRUE	evaluated 4 times by 1 test Evaluated by: split
FALSE	evaluated 3 times by 1 test Evaluated by: split

__s2_len > 1	Description
TRUE	evaluated 4 times by 1 test Evaluated by: split
FALSE	never evaluated

__result == 0	Description
TRUE	evaluated 4 times by 1 test Evaluated by: split
FALSE	never evaluated

__s2_len > 2	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: split

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0-7

1415

neweol = '\0';

executed 4 times by 1 test: neweol = '\0';

Executed by:

split

1416 else -

1417 { -

1418 /* Provoke with 'split -txx'. Complain about -

1419 "multi-character tab" instead of "multibyte tab", so -

1420 that the diagnostic's wording does not need to be -

1421 changed once multibyte characters are supported. */ -

1422 die (EXIT_FAILURE, 0, _("multi-character separator %s"), -

1423 quote (optarg)); -

1424

}

never executed: end of block

1425 } -

1426 /* Make it explicit we don't support multiple separators. */ -

1427

if (0 <= eolchar && neweol != eolchar)

0 <= eolchar	Description
TRUE	evaluated 3 times by 1 test Evaluated by: split
FALSE	evaluated 15 times by 1 test Evaluated by: split

neweol != eolchar	Description
TRUE	evaluated 2 times by 1 test Evaluated by: split
FALSE	evaluated 1 time by 1 test Evaluated by: split

1-15

1428 { -

1429 die (EXIT_FAILURE, 0, -

1430 _("multiple separator characters specified")); -

1431

}

never executed: end of block

1432 -

1433 eolchar = neweol; -

1434 } -

1435

break;

executed 16 times by 1 test: break;

Executed by:

split

1436 -

1437

case '0':

executed 1 time by 1 test: case '0':

Executed by:

split

1438

case '1':

executed 2 times by 1 test: case '1':

Executed by:

split

1439

case '2':

never executed: case '2':

1440

case '3':

never executed: case '3':

1441

case '4':

never executed: case '4':

1442

case '5':

never executed: case '5':

1443

case '6':

never executed: case '6':

1444

case '7':

never executed: case '7':

1445

case '8':

never executed: case '8':

1446

case '9':

executed 19 times by 1 test: case '9':

Executed by:

split

1447

if (split_type == type_undef)

split_type == type_undef	Description
TRUE	evaluated 3 times by 1 test Evaluated by: split
FALSE	evaluated 19 times by 1 test Evaluated by: split

3-19

1448 { -

1449 split_type = type_digits; -

1450 n_units = 0; -

1451

}

executed 3 times by 1 test: end of block

Executed by:

split

1452

if (split_type != type_undef && split_type != type_digits)

split_type != type_undef	Description
TRUE	evaluated 22 times by 1 test Evaluated by: split
FALSE	never evaluated

split_type != type_digits	Description
TRUE	never evaluated
FALSE	evaluated 22 times by 1 test Evaluated by: split

0-22

1453

FAIL_ONLY_ONE_WAY ();

never executed: end of block

1454

if (digits_optind != 0 && digits_optind != this_optind)

digits_optind != 0	Description
TRUE	evaluated 19 times by 1 test Evaluated by: split
FALSE	evaluated 3 times by 1 test Evaluated by: split

digits_optind != this_optind	Description
TRUE	never evaluated
FALSE	evaluated 19 times by 1 test Evaluated by: split

0-19

1455

n_units = 0; /* More than one number given; ignore other. */

never executed: n_units = 0;

1456 digits_optind = this_optind; -

1457

if (!DECIMAL_DIGIT_ACCUMULATE (n_units, c - '0', uintmax_t))

!( (void) (&(n... '0')), 1 )) )	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 21 times by 1 test Evaluated by: split

(uintmax_t) -1...10 < (n_units)	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 21 times by 1 test Evaluated by: split

(uintmax_t) ((...)) < (n_units)	Description
TRUE	never evaluated
FALSE	evaluated 21 times by 1 test Evaluated by: split

0-21

1458 { -

1459 char buffer[INT_BUFSIZE_BOUND (uintmax_t)]; -

1460 die (EXIT_FAILURE, 0, -

1461 _("line count option -%s%c... is too large"), -

1462 umaxtostr (n_units, buffer), c); -

1463

}

never executed: end of block

1464

break;

executed 21 times by 1 test: break;

Executed by:

split

1465 -

1466

case 'd':

executed 16 times by 1 test: case 'd':

Executed by:

split

1467

case 'x':

executed 7 times by 1 test: case 'x':

Executed by:

split

1468

if (c == 'd')

c == 'd'	Description
TRUE	evaluated 16 times by 1 test Evaluated by: split
FALSE	evaluated 7 times by 1 test Evaluated by: split

7-16

1469

suffix_alphabet = "0123456789";

executed 16 times by 1 test: suffix_alphabet = "0123456789";

Executed by:

split

1470 else -

1471

suffix_alphabet = "0123456789abcdef";

executed 7 times by 1 test: suffix_alphabet = "0123456789abcdef";

Executed by:

split

1472

if (optarg)

optarg	Description
TRUE	evaluated 11 times by 1 test Evaluated by: split
FALSE	evaluated 12 times by 1 test Evaluated by: split

11-12

1473 { -

1474

if (strlen (optarg) != strspn (optarg, suffix_alphabet))

strlen (optarg...fix_alphabet )	Description
TRUE	evaluated 4 times by 1 test Evaluated by: split
FALSE	evaluated 7 times by 1 test Evaluated by: split

4-7

1475 { -

1476 error (0, 0, -

1477 (c == 'd') ? -

1478 _("%s: invalid start value for numerical suffix") : -

1479 _("%s: invalid start value for hexadecimal suffix"), -

1480 quote (optarg)); -

1481 usage (EXIT_FAILURE); -

1482

}

never executed: end of block

1483 else -

1484 { -

1485 /* Skip any leading zero. */ -

1486

while (*optarg == '0' && *(optarg + 1) != '\0')

*optarg == '0'	Description
TRUE	never evaluated
FALSE	evaluated 7 times by 1 test Evaluated by: split

*(optarg + 1) != '\0'	Description
TRUE	never evaluated
FALSE	never evaluated

0-7

1487

optarg++;

never executed: optarg++;

1488 numeric_suffix_start = optarg; -

1489

}

executed 7 times by 1 test: end of block

Executed by:

split

1490 } -

1491

break;

executed 19 times by 1 test: break;

Executed by:

split

1492 -

1493

case 'e':

executed 36 times by 1 test: case 'e':

Executed by:

split

1494 elide_empty_files = true; -

1495

break;

executed 36 times by 1 test: break;

Executed by:

split

1496 -

1497

case FILTER_OPTION:

executed 10 times by 1 test: case FILTER_OPTION:

Executed by:

split

1498 filter_command = optarg; -

1499

break;

executed 10 times by 1 test: break;

Executed by:

split

1500 -

1501

case IO_BLKSIZE_OPTION:

executed 310 times by 1 test: case IO_BLKSIZE_OPTION:

Executed by:

split

310

1502 in_blk_size = xdectoumax (optarg, 1, SIZE_MAX - page_size, -

1503 multipliers, _("invalid IO block size"), 0); -

1504

break;

executed 310 times by 1 test: break;

Executed by:

split

310

1505 -

1506

case VERBOSE_OPTION:

executed 2 times by 1 test: case VERBOSE_OPTION:

Executed by:

split

1507 verbose = true; -

1508

break;

executed 2 times by 1 test: break;

Executed by:

split

1509 -

1510

case_GETOPT_HELP_CHAR;

never executed: break;

executed 14 times by 1 test: case GETOPT_HELP_CHAR:

Executed by:

split

0-14

1511 -

1512

case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);

executed 16 times by 1 test: exit ( 0 );

Executed by:

split

never executed: break;

executed 16 times by 1 test: case GETOPT_VERSION_CHAR:

Executed by:

split

0-16

1513 -

1514

default:

executed 4 times by 1 test: default:

Executed by:

split

1515 usage (EXIT_FAILURE); -

1516

}

never executed: end of block

1517 } -

1518 -

1519

if (k_units != 0 && filter_command)

k_units != 0	Description
TRUE	evaluated 51 times by 1 test Evaluated by: split
FALSE	evaluated 366 times by 1 test Evaluated by: split

filter_command	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 50 times by 1 test Evaluated by: split

1-366

1520 { -

1521 error (0, 0, _("--filter does not process a chunk extracted to stdout")); -

1522 usage (EXIT_FAILURE); -

1523

}

never executed: end of block

1524 -

1525 /* Handle default case. */ -

1526

if (split_type == type_undef)

split_type == type_undef	Description
TRUE	evaluated 6 times by 1 test Evaluated by: split
FALSE	evaluated 410 times by 1 test Evaluated by: split

6-410

1527 { -

1528 split_type = type_lines; -

1529 n_units = 1000; -

1530

}

executed 6 times by 1 test: end of block

Executed by:

split

1531 -

1532

if (n_units == 0)

n_units == 0	Description
TRUE	evaluated 1 time by 1 test Evaluated by: split
FALSE	evaluated 415 times by 1 test Evaluated by: split

1-415

1533 { -

1534 error (0, 0, "%s: %s", _("invalid number of lines"), quote ("0")); -

1535 usage (EXIT_FAILURE); -

1536

}

never executed: end of block

1537 -

1538

if (eolchar < 0)

eolchar < 0	Description
TRUE	evaluated 402 times by 1 test Evaluated by: split
FALSE	evaluated 13 times by 1 test Evaluated by: split

13-402

1539

eolchar = '\n';

executed 402 times by 1 test: eolchar = '\n';

Executed by:

split

402

1540 -

1541 set_suffix_length (n_units, split_type); -

1542 -

1543 /* Get out the filename arguments. */ -

1544 -

1545

if (optind < argc)

optind < argc	Description
TRUE	evaluated 400 times by 1 test Evaluated by: split
FALSE	evaluated 14 times by 1 test Evaluated by: split

14-400

1546

infile = argv[optind++];

executed 400 times by 1 test: infile = argv[optind++];

Executed by:

split

400

1547 -

1548

if (optind < argc)

optind < argc	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	evaluated 407 times by 1 test Evaluated by: split

7-407

1549

outbase = argv[optind++];

executed 7 times by 1 test: outbase = argv[optind++];

Executed by:

split

1550 -

1551

if (optind < argc)

optind < argc	Description
TRUE	never evaluated
FALSE	evaluated 414 times by 1 test Evaluated by: split

0-414

1552 { -

1553 error (0, 0, _("extra operand %s"), quote (argv[optind])); -

1554 usage (EXIT_FAILURE); -

1555

}

never executed: end of block

1556 -

1557 /* Check that the suffix length is large enough for the numerical -

1558 suffix start value. */ -

1559

if (numeric_suffix_start && strlen (numeric_suffix_start) > suffix_length)

numeric_suffix_start	Description
TRUE	evaluated 7 times by 1 test Evaluated by: split
FALSE	evaluated 407 times by 1 test Evaluated by: split

strlen (numeri... suffix_length	Description
TRUE	evaluated 3 times by 1 test Evaluated by: split
FALSE	evaluated 4 times by 1 test Evaluated by: split

3-407

1560 { -

1561 error (0, 0, _("numerical suffix start value is too large " -

1562 "for the suffix length")); -

1563 usage (EXIT_FAILURE); -

1564

}

never executed: end of block

1565 -

1566 /* Open the input file. */ -

1567

if (! STREQ (infile, "-")

never executed: __result = (((const unsigned char *) (const char *) ( infile ))[3] - __s2[3]);

never executed: end of block

never executed: __result = (((const unsigned char *) (const char *) ( "-" ))[3] - __s2[3]);

never executed: end of block

executed 17 times by 1 test: end of block

Executed by:

split

! ( __extensio...)))); }) == 0)	Description
TRUE	evaluated 394 times by 1 test Evaluated by: split
FALSE	evaluated 17 times by 1 test Evaluated by: split

__s1_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 0	Description
TRUE	evaluated 411 times by 1 test Evaluated by: split
FALSE	never evaluated

__result == 0	Description
TRUE	evaluated 17 times by 1 test Evaluated by: split
FALSE	evaluated 394 times by 1 test Evaluated by: split

__s2_len > 1	Description
TRUE	never evaluated
FALSE	evaluated 17 times by 1 test Evaluated by: split

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0-411

1568

&& fd_reopen (STDIN_FILENO, infile, O_RDONLY, 0) < 0)

fd_reopen ( 0 ...e, 00 , 0) < 0	Description
TRUE	never evaluated
FALSE	evaluated 394 times by 1 test Evaluated by: split

0-394

1569

die (EXIT_FAILURE, errno, _("cannot open %s for reading"),

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"cannot open %s for reading\", 5), quotearg_style (shell_escape_always_quoting_style, infile)), assume (false))" ")"); int _gl_...) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot open %s for reading" , 5) , quotearg_style (shell_escape_always_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

1570

quoteaf (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"cannot open %s for reading\", 5), quotearg_style (shell_escape_always_quoting_style, infile)), assume (false))" ")"); int _gl_...) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot open %s for reading" , 5) , quotearg_style (shell_escape_always_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

1571 -

1572 /* Binary I/O is safer when byte counts are used. */ -

1573 xset_binary_mode (STDIN_FILENO, O_BINARY); -

1574 -

1575 /* Get the optimal block size of input device and make a buffer. */ -

1576 -

1577

if (fstat (STDIN_FILENO, &in_stat_buf) != 0)

fstat ( 0 , &in_stat_buf) != 0	Description
TRUE	never evaluated
FALSE	evaluated 411 times by 1 test Evaluated by: split

0-411

1578

die (EXIT_FAILURE, errno, "%s", quotef (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1579 -

1580 bool specified_buf_size = !! in_blk_size; -

1581

if (! specified_buf_size)

! specified_buf_size	Description
TRUE	evaluated 101 times by 1 test Evaluated by: split
FALSE	evaluated 310 times by 1 test Evaluated by: split

101-310

1582

in_blk_size = io_blksize (in_stat_buf);

executed 101 times by 1 test: in_blk_size = io_blksize (in_stat_buf);

Executed by:

split

101

1583 -

1584 void *b = xmalloc (in_blk_size + 1 + page_size - 1); -

1585 char *buf = ptr_align (b, page_size); -

1586 size_t initial_read = SIZE_MAX; -

1587 -

1588

if (split_type == type_chunk_bytes || split_type == type_chunk_lines)

split_type == type_chunk_bytes	Description
TRUE	evaluated 17 times by 1 test Evaluated by: split
FALSE	evaluated 394 times by 1 test Evaluated by: split

split_type == type_chunk_lines	Description
TRUE	evaluated 104 times by 1 test Evaluated by: split
FALSE	evaluated 290 times by 1 test Evaluated by: split

17-394

1589 { -

1590 file_size = input_file_size (STDIN_FILENO, &in_stat_buf, -

1591 buf, in_blk_size); -

1592

if (file_size < 0)

file_size < 0	Description
TRUE	evaluated 3 times by 1 test Evaluated by: split
FALSE	evaluated 118 times by 1 test Evaluated by: split

3-118

1593

die (EXIT_FAILURE, errno, _("%s: cannot determine file size"),

executed 3 times by 1 test:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"%s: cannot determine file size\", 5), quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); ...d) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "%s: cannot determine file size" , 5) , quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

Executed by:

split

1594

quotef (infile));

executed 3 times by 1 test:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"%s: cannot determine file size\", 5), quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); ...d) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "%s: cannot determine file size" , 5) , quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

Executed by:

split

1595

initial_read = MIN (file_size, in_blk_size);

(( file_size )...in_blk_size ))	Description
TRUE	evaluated 43 times by 1 test Evaluated by: split
FALSE	evaluated 75 times by 1 test Evaluated by: split

43-75

1596 /* Overflow, and sanity checking. */ -

1597

if (OFF_T_MAX < n_units)

((off_t) (! (!...1))) < n_units	Description
TRUE	never evaluated
FALSE	evaluated 118 times by 1 test Evaluated by: split

0-118

1598 { -

1599 char buffer[INT_BUFSIZE_BOUND (uintmax_t)]; -

1600 die (EXIT_FAILURE, EOVERFLOW, "%s: %s", -

1601 _("invalid number of chunks"), -

1602 quote (umaxtostr (n_units, buffer))); -

1603

}

never executed: end of block

1604 /* increase file_size to n_units here, so that we still process -

1605 any input data, and create empty files for the rest. */ -

1606

file_size = MAX (file_size, n_units);

(( file_size )>( n_units ))	Description
TRUE	evaluated 107 times by 1 test Evaluated by: split
FALSE	evaluated 11 times by 1 test Evaluated by: split

11-107

1607

}

executed 118 times by 1 test: end of block

Executed by:

split

118

1608 -

1609 /* When filtering, closure of one pipe must not terminate the process, -

1610 as there may still be other streams expecting input from us. */ -

1611

if (filter_command)

filter_command	Description
TRUE	evaluated 8 times by 1 test Evaluated by: split
FALSE	evaluated 400 times by 1 test Evaluated by: split

8-400

1612 { -

1613 struct sigaction act; -

1614 sigemptyset (&newblocked); -

1615 sigaction (SIGPIPE, NULL, &act); -

1616

if (act.sa_handler != SIG_IGN)

act. __sigacti...ghandler_t) 1)	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: split

0-8

1617

sigaddset (&newblocked, SIGPIPE);

never executed: sigaddset (&newblocked, 13 );

1618 sigprocmask (SIG_BLOCK, &newblocked, &oldblocked); -

1619

}

executed 8 times by 1 test: end of block

Executed by:

split

1620 -

1621 switch (split_type) -

1622 { -

1623

case type_digits:

executed 1 time by 1 test: case type_digits:

Executed by:

split

1624

case type_lines:

executed 19 times by 1 test: case type_lines:

Executed by:

split

1625 lines_split (n_units, buf, in_blk_size); -

1626

break;

executed 19 times by 1 test: break;

Executed by:

split

1627 -

1628

case type_bytes:

executed 14 times by 1 test: case type_bytes:

Executed by:

split

1629 bytes_split (n_units, buf, in_blk_size, SIZE_MAX, 0); -

1630

break;

executed 10 times by 1 test: break;

Executed by:

split

1631 -

1632

case type_byteslines:

executed 237 times by 1 test: case type_byteslines:

Executed by:

split

237

1633 line_bytes_split (n_units, buf, in_blk_size); -

1634

break;

executed 233 times by 1 test: break;

Executed by:

split

233

1635 -

1636

case type_chunk_bytes:

executed 16 times by 1 test: case type_chunk_bytes:

Executed by:

split

1637

if (k_units == 0)

k_units == 0	Description
TRUE	evaluated 6 times by 1 test Evaluated by: split
FALSE	evaluated 10 times by 1 test Evaluated by: split

6-10

1638

bytes_split (file_size / n_units, buf, in_blk_size, initial_read,

executed 6 times by 1 test: bytes_split (file_size / n_units, buf, in_blk_size, initial_read, n_units);

Executed by:

split

1639

n_units);

executed 6 times by 1 test: bytes_split (file_size / n_units, buf, in_blk_size, initial_read, n_units);

Executed by:

split

1640 else -

1641

bytes_chunk_extract (k_units, n_units, buf, in_blk_size, initial_read,

executed 10 times by 1 test: bytes_chunk_extract (k_units, n_units, buf, in_blk_size, initial_read, file_size);

Executed by:

split

1642

file_size);

executed 10 times by 1 test: bytes_chunk_extract (k_units, n_units, buf, in_blk_size, initial_read, file_size);

Executed by:

split

1643

break;

executed 16 times by 1 test: break;

Executed by:

split

1644 -

1645

case type_chunk_lines:

executed 102 times by 1 test: case type_chunk_lines:

Executed by:

split

102

1646 lines_chunk_split (k_units, n_units, buf, in_blk_size, initial_read, -

1647 file_size); -

1648

break;

executed 102 times by 1 test: break;

Executed by:

split

102

1649 -

1650

case type_rr:

executed 19 times by 1 test: case type_rr:

Executed by:

split

1651 /* Note, this is like 'sed -n ${k}~${n}p' when k > 0, -

1652 but the functionality is provided for symmetry. */ -

1653 lines_rr (k_units, n_units, buf, in_blk_size); -

1654

break;

executed 19 times by 1 test: break;

Executed by:

split

1655 -

1656

default:

never executed: default:

1657

abort ();

never executed: abort ();

1658 } -

1659 -

1660 IF_LINT (free (b)); -

1661 -

1662

if (close (STDIN_FILENO) != 0)

close ( 0 ) != 0	Description
TRUE	never evaluated
FALSE	evaluated 399 times by 1 test Evaluated by: split

0-399

1663

die (EXIT_FAILURE, errno, "%s", quotef (infile));

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"%s\", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()...lon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "%s", quotearg_n_style_colon (0, shell_escape_quoting_style, infile)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

1664 closeout (NULL, output_desc, filter_pid, outfile); -

1665 -

1666

return EXIT_SUCCESS;

executed 399 times by 1 test: return 0 ;

Executed by:

split

399

1667 } -

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