OpenCoverage

stdbuf.c

Absolute File Name:

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

Source code

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Line Source Count

1 /* stdbuf -- setup the standard streams for a command -

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 /* Written by Pádraig Brady. */ -

18 -

19 #include <config.h> -

20 #include <stdio.h> -

21 #include <getopt.h> -

22 #include <sys/types.h> -

23 #include <assert.h> -

24 -

25 #include "system.h" -

26 #include "die.h" -

27 #include "error.h" -

28 #include "filenamecat.h" -

29 #include "quote.h" -

30 #include "xreadlink.h" -

31 #include "xstrtol.h" -

32 #include "c-ctype.h" -

33 -

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

35 #define PROGRAM_NAME "stdbuf" -

36 #define LIB_NAME "libstdbuf.so" /* FIXME: don't hardcode */ -

37 -

38 #define AUTHORS proper_name ("Padraig Brady") -

39 -

40 static char *program_path; -

41 -

42 static struct -

43 { -

44 size_t size; -

45 int optc; -

46 char *optarg; -

47 } stdbuf[3]; -

48 -

49 static struct option const longopts[] = -

50 { -

51 {"input", required_argument, NULL, 'i'}, -

52 {"output", required_argument, NULL, 'o'}, -

53 {"error", required_argument, NULL, 'e'}, -

54 {GETOPT_HELP_OPTION_DECL}, -

55 {GETOPT_VERSION_OPTION_DECL}, -

56 {NULL, 0, NULL, 0} -

57 }; -

58 -

59 /* Set size to the value of STR, interpreted as a decimal integer, -

60 optionally multiplied by various values. -

61 Return -1 on error, 0 on success. -

62 -

63 This supports dd BLOCK size suffixes. -

64 Note we don't support dd's b=512, c=1, w=2 or 21x512MiB formats. */ -

65 static int -

66 parse_size (char const *str, size_t *size) -

67 { -

68 uintmax_t tmp_size; -

69 enum strtol_error e = xstrtoumax (str, NULL, 10, &tmp_size, "EGkKMPTYZ0"); -

if (e == LONGINT_OK && SIZE_MAX < tmp_size)

e == LONGINT_OK	Description
TRUE	evaluated 2 times by 1 test Evaluated by: stdbuf
FALSE	evaluated 8 times by 1 test Evaluated by: stdbuf

(1844674407370...UL) < tmp_size	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-8

e = LONGINT_OVERFLOW;

never executed: e = LONGINT_OVERFLOW;

72 -

if (e == LONGINT_OK)

e == LONGINT_OK	Description
TRUE	evaluated 2 times by 1 test Evaluated by: stdbuf
FALSE	evaluated 8 times by 1 test Evaluated by: stdbuf

2-8

74 { -

75 errno = 0; -

76 *size = tmp_size; -

return 0;

executed 2 times by 1 test: return 0;

Executed by:

stdbuf

78 } -

79 -

80 errno = (e == LONGINT_OVERFLOW ? EOVERFLOW : errno); -

return -1;

executed 8 times by 1 test: return -1;

Executed by:

stdbuf

82 } -

83 -

84 void -

85 usage (int status) -

86 { -

if (status != EXIT_SUCCESS)

status != 0	Description
TRUE	evaluated 5 times by 1 test Evaluated by: stdbuf
FALSE	evaluated 3 times by 1 test Evaluated by: stdbuf

3-5

emit_try_help ();

executed 5 times by 1 test: end of block

Executed by:

stdbuf

89 else -

90 { -

91 printf (_("Usage: %s OPTION... COMMAND\n"), program_name); -

92 fputs (_("\ -

93 Run COMMAND, with modified buffering operations for its standard streams.\n\ -

94 "), stdout); -

95 -

96 emit_mandatory_arg_note (); -

97 -

98 fputs (_("\ -

99 -i, --input=MODE adjust standard input stream buffering\n\ -

100 -o, --output=MODE adjust standard output stream buffering\n\ -

101 -e, --error=MODE adjust standard error stream buffering\n\ -

102 "), stdout); -

103 fputs (HELP_OPTION_DESCRIPTION, stdout); -

104 fputs (VERSION_OPTION_DESCRIPTION, stdout); -

105 fputs (_("\n\ -

106 If MODE is 'L' the corresponding stream will be line buffered.\n\ -

107 This option is invalid with standard input.\n"), stdout); -

108 fputs (_("\n\ -

109 If MODE is '0' the corresponding stream will be unbuffered.\n\ -

110 "), stdout); -

111 fputs (_("\n\ -

112 Otherwise MODE is a number which may be followed by one of the following:\n\ -

113 KB 1000, K 1024, MB 1000*1000, M 1024*1024, and so on for G, T, P, E, Z, Y.\n\ -

114 In this case the corresponding stream will be fully buffered with the buffer\n\ -

115 size set to MODE bytes.\n\ -

116 "), stdout); -

117 fputs (_("\n\ -

118 NOTE: If COMMAND adjusts the buffering of its standard streams ('tee' does\n\ -

119 for example) then that will override corresponding changes by 'stdbuf'.\n\ -

120 Also some filters (like 'dd' and 'cat' etc.) don't use streams for I/O,\n\ -

121 and are thus unaffected by 'stdbuf' settings.\n\ -

122 "), stdout); -

123 emit_ancillary_info (PROGRAM_NAME); -

124

}

executed 3 times by 1 test: end of block

Executed by:

stdbuf

125

exit (status);

executed 8 times by 1 test: exit (status);

Executed by:

stdbuf

126 } -

127 -

128 /* argv[0] can be anything really, but generally it contains -

129 the path to the executable or just a name if it was executed -

130 using $PATH. In the latter case to get the path we can: -

131 search getenv("PATH"), readlink("/prof/self/exe"), getenv("_"), -

132 dladdr(), pstat_getpathname(), etc. */ -

133 -

134 static void -

135 set_program_path (const char *arg) -

136 { -

137

if (strchr (arg, '/')) /* Use absolute or relative paths directly. */

(__extension__... arg , '/' )))	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

__builtin_constant_p ( '/' )	Description
TRUE	evaluated 2 times by 1 test Evaluated by: stdbuf
FALSE	never evaluated

!__builtin_constant_p ( arg )	Description
TRUE	evaluated 2 times by 1 test Evaluated by: stdbuf
FALSE	never evaluated

( '/' ) == '\0'	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-2

138 { -

139 program_path = dir_name (arg); -

140

}

never executed: end of block

141 else -

142 { -

143 char *path = xreadlink ("/proc/self/exe"); -

144

if (path)

path	Description
TRUE	evaluated 2 times by 1 test Evaluated by: stdbuf
FALSE	never evaluated

0-2

145

program_path = dir_name (path);

executed 2 times by 1 test: program_path = dir_name (path);

Executed by:

stdbuf

146

else if ((path = getenv ("PATH")))

(path = getenv ("PATH"))	Description
TRUE	never evaluated
FALSE	never evaluated

147 { -

148 char *dir; -

149 path = xstrdup (path); -

150

for (dir = strtok (path, ":"); dir != NULL; dir = strtok (NULL, ":"))

dir != ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

151 { -

152 char *candidate = file_name_concat (dir, arg, NULL); -

153

if (access (candidate, X_OK) == 0)

access (candidate, 1 ) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

154 { -

155 program_path = dir_name (candidate); -

156 free (candidate); -

157

break;

never executed: break;

158 } -

159 free (candidate); -

160

}

never executed: end of block

161

}

never executed: end of block

162 free (path); -

163

}

executed 2 times by 1 test: end of block

Executed by:

stdbuf

164 } -

165 -

166 static int -

167 optc_to_fileno (int c) -

168 { -

169 int ret = -1; -

170 -

171 switch (c) -

172 { -

173

case 'e':

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

Executed by:

stdbuf

174 ret = STDERR_FILENO; -

175

break;

executed 2 times by 1 test: break;

Executed by:

stdbuf

176

case 'i':

executed 3 times by 1 test: case 'i':

Executed by:

stdbuf

177 ret = STDIN_FILENO; -

178

break;

executed 3 times by 1 test: break;

Executed by:

stdbuf

179

case 'o':

executed 6 times by 1 test: case 'o':

Executed by:

stdbuf

180 ret = STDOUT_FILENO; -

181

break;

executed 6 times by 1 test: break;

Executed by:

stdbuf

182 } -

183 -

184

return ret;

executed 11 times by 1 test: return ret;

Executed by:

stdbuf

185 } -

186 -

187 static void -

188 set_LD_PRELOAD (void) -

189 { -

190 int ret; -

191 #ifdef __APPLE__ -

192 char const *preload_env = "DYLD_INSERT_LIBRARIES"; -

193 #else -

194 char const *preload_env = "LD_PRELOAD"; -

195 #endif -

196 char *old_libs = getenv (preload_env); -

197 char *LD_PRELOAD; -

198 -

199 /* Note this would auto add the appropriate search path for "libstdbuf.so": -

200 gcc stdbuf.c -Wl,-rpath,'$ORIGIN' -Wl,-rpath,$PKGLIBEXECDIR -

201 However we want the lookup done for the exec'd command not stdbuf. -

202 -

203 Since we don't link against libstdbuf.so add it to PKGLIBEXECDIR -

204 rather than to LIBDIR. -

205 -

206 Note we could add "" as the penultimate item in the following list -

207 to enable searching for libstdbuf.so in the default system lib paths. -

208 However that would not indicate an error if libstdbuf.so was not found. -

209 Also while this could support auto selecting the right arch in a multilib -

210 environment, what we really want is to auto select based on the arch of the -

211 command being run, rather than that of stdbuf itself. This is currently -

212 not supported due to the unusual need for controlling the stdio buffering -

213 of programs that are a different architecture to the default on the -

214 system (and that of stdbuf itself). */ -

215 char const *const search_path[] = { -

216 program_path, -

217 PKGLIBEXECDIR, -

218 NULL -

219 }; -

220 -

221 char const *const *path = search_path; -

222 char *libstdbuf; -

223 -

224 while (true) -

225 { -

226 struct stat sb; -

227 -

228

if (!**path) /* system default */

!**path	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-2

229 { -

230 libstdbuf = xstrdup (LIB_NAME); -

231

break;

never executed: break;

232 } -

233 ret = asprintf (&libstdbuf, "%s/%s", *path, LIB_NAME); -

234

if (ret < 0)

ret < 0	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-2

235

xalloc_die ();

never executed: xalloc_die ();

236

if (stat (libstdbuf, &sb) == 0) /* file_exists */

stat (libstdbuf, &sb) == 0	Description
TRUE	evaluated 2 times by 1 test Evaluated by: stdbuf
FALSE	never evaluated

0-2

237

break;

executed 2 times by 1 test: break;

Executed by:

stdbuf

238 free (libstdbuf); -

239 -

240 ++path; -

241

if ( ! *path)

! *path	Description
TRUE	never evaluated
FALSE	never evaluated

242

die (EXIT_CANCELED, 0, _("failed to find %s"), quote (LIB_NAME));

never executed:

((!!sizeof (struct { _Static_assert (EXIT_CANCELED, "verify_expr (" "EXIT_CANCELED" ", " "(error (EXIT_CANCELED, 0, dcgettext (((void *)0), \"failed to find %s\", 5), quote (\"libstdbuf.so\")), assume (false))" ")"); int _gl_dummy; })) ? ((error (EXIT_CAN... "failed to find %s" , 5) , quote ("libstdbuf.so")), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error (EXIT_CANCELED, 0, dcgettext (((void *)0), "failed to find %s" , 5) , quote ("libstdbuf.so")), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

243

}

never executed: end of block

244 -

245 /* FIXME: Do we need to support libstdbuf.dll, c:, '\' separators etc? */ -

246 -

247

if (old_libs)

old_libs	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-2

248

ret = asprintf (&LD_PRELOAD, "%s=%s:%s", preload_env, old_libs, libstdbuf);

never executed: ret = asprintf (&LD_PRELOAD, "%s=%s:%s", preload_env, old_libs, libstdbuf);

249 else -

250

ret = asprintf (&LD_PRELOAD, "%s=%s", preload_env, libstdbuf);

executed 2 times by 1 test: ret = asprintf (&LD_PRELOAD, "%s=%s", preload_env, libstdbuf);

Executed by:

stdbuf

251 -

252

if (ret < 0)

ret < 0	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-2

253

xalloc_die ();

never executed: xalloc_die ();

254 -

255 free (libstdbuf); -

256 -

257 ret = putenv (LD_PRELOAD); -

258 #ifdef __APPLE__ -

259 if (ret == 0) -

260 ret = setenv ("DYLD_FORCE_FLAT_NAMESPACE", "y", 1); -

261 #endif -

262 -

263

if (ret != 0)

ret != 0	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-2

264 { -

265 die (EXIT_CANCELED, errno, -

266 _("failed to update the environment with %s"), -

267 quote (LD_PRELOAD)); -

268

}

never executed: end of block

269

}

executed 2 times by 1 test: end of block

Executed by:

stdbuf

270 -

271 /* Populate environ with _STDBUF_I=$MODE _STDBUF_O=$MODE _STDBUF_E=$MODE. -

272 Return TRUE if any environment variables set. */ -

273 -

274 static bool -

275 set_libstdbuf_options (void) -

276 { -

277 bool env_set = false; -

278 -

279

for (size_t i = 0; i < ARRAY_CARDINALITY (stdbuf); i++)

i < (sizeof (s...eof *(stdbuf))	Description
TRUE	evaluated 9 times by 1 test Evaluated by: stdbuf
FALSE	evaluated 3 times by 1 test Evaluated by: stdbuf

3-9

280 { -

281

if (stdbuf[i].optarg)

stdbuf[i].optarg	Description
TRUE	evaluated 2 times by 1 test Evaluated by: stdbuf
FALSE	evaluated 7 times by 1 test Evaluated by: stdbuf

2-7

282 { -

283 char *var; -

284 int ret; -

285 -

286

if (*stdbuf[i].optarg == 'L')

*stdbuf[i].optarg == 'L'	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-2

287

ret = asprintf (&var, "%s%c=L", "_STDBUF_",

never executed:

ret = asprintf (&var, "%s%c=L", "_STDBUF_", (__extension__ ({ int __res; if (sizeof ( stdbuf[i].optc ) > 1) { if (__builtin_constant_p ( stdbuf[i].optc )) { int __c = ( stdbuf[i].optc ); __res = __c < -128 || __c > 255 ? __c : (*__ctype_toupper_loc ())[__c]; } else __res = toupper ( stdbuf[i].optc ); } else __res = (*__ctype_toupper_loc ())[(int) ( stdbuf[i].optc )]; __res; })) );

288

toupper (stdbuf[i].optc));

never executed:

ret = asprintf (&var, "%s%c=L", "_STDBUF_", (__extension__ ({ int __res; if (sizeof ( stdbuf[i].optc ) > 1) { if (__builtin_constant_p ( stdbuf[i].optc )) { int __c = ( stdbuf[i].optc ); __res = __c < -128 || __c > 255 ? __c : (*__ctype_toupper_loc ())[__c]; } else __res = toupper ( stdbuf[i].optc ); } else __res = (*__ctype_toupper_loc ())[(int) ( stdbuf[i].optc )]; __res; })) );

never executed: end of block

never executed: __res = toupper ( stdbuf[i].optc );

never executed: __res = (*__ctype_toupper_loc ())[(int) ( stdbuf[i].optc )];

sizeof ( stdbuf[i].optc ) > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__builtin_cons...dbuf[i].optc )	Description
TRUE	never evaluated
FALSE	never evaluated

__c < -128	Description
TRUE	never evaluated
FALSE	never evaluated

__c > 255	Description
TRUE	never evaluated
FALSE	never evaluated

289 else -

290

ret = asprintf (&var, "%s%c=%" PRIuMAX, "_STDBUF_",

executed 2 times by 1 test:

ret = asprintf (&var, "%s%c=%" "l" "u" , "_STDBUF_", (__extension__ ({ int __res; if (sizeof ( stdbuf[i].optc ) > 1) { if (__builtin_constant_p ( stdbuf[i].optc )) { int __c = ( stdbuf[i].optc ); __res = __c < -128 || __c > 255 ? __c : (*__ctype_toupper_loc ())[__c]; } else __res = toupper ( stdbuf[i].optc ); } else __res = (*__ctype_toupper_loc ())[(int) ( stdbuf[i].optc )]; __res; })) , (uintmax_t) stdbuf[i].size);

Executed by:

stdbuf

291

toupper (stdbuf[i].optc),

executed 2 times by 1 test:

ret = asprintf (&var, "%s%c=%" "l" "u" , "_STDBUF_", (__extension__ ({ int __res; if (sizeof ( stdbuf[i].optc ) > 1) { if (__builtin_constant_p ( stdbuf[i].optc )) { int __c = ( stdbuf[i].optc ); __res = __c < -128 || __c > 255 ? __c : (*__ctype_toupper_loc ())[__c]; } else __res = toupper ( stdbuf[i].optc ); } else __res = (*__ctype_toupper_loc ())[(int) ( stdbuf[i].optc )]; __res; })) , (uintmax_t) stdbuf[i].size);

Executed by:

stdbuf

never executed: end of block

executed 2 times by 1 test: __res = toupper ( stdbuf[i].optc );

Executed by:

stdbuf

never executed: __res = (*__ctype_toupper_loc ())[(int) ( stdbuf[i].optc )];

sizeof ( stdbuf[i].optc ) > 1	Description
TRUE	evaluated 2 times by 1 test Evaluated by: stdbuf
FALSE	never evaluated

__builtin_cons...dbuf[i].optc )	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

__c < -128	Description
TRUE	never evaluated
FALSE	never evaluated

__c > 255	Description
TRUE	never evaluated
FALSE	never evaluated

0-2

292

(uintmax_t) stdbuf[i].size);

executed 2 times by 1 test:

ret = asprintf (&var, "%s%c=%" "l" "u" , "_STDBUF_", (__extension__ ({ int __res; if (sizeof ( stdbuf[i].optc ) > 1) { if (__builtin_constant_p ( stdbuf[i].optc )) { int __c = ( stdbuf[i].optc ); __res = __c < -128 || __c > 255 ? __c : (*__ctype_toupper_loc ())[__c]; } else __res = toupper ( stdbuf[i].optc ); } else __res = (*__ctype_toupper_loc ())[(int) ( stdbuf[i].optc )]; __res; })) , (uintmax_t) stdbuf[i].size);

Executed by:

stdbuf

293

if (ret < 0)

ret < 0	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-2

294

xalloc_die ();

never executed: xalloc_die ();

295 -

296

if (putenv (var) != 0)

putenv (var) != 0	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

0-2

297 { -

298 die (EXIT_CANCELED, errno, -

299 _("failed to update the environment with %s"), -

300 quote (var)); -

301

}

never executed: end of block

302 -

303 env_set = true; -

304

}

executed 2 times by 1 test: end of block

Executed by:

stdbuf

305

}

executed 9 times by 1 test: end of block

Executed by:

stdbuf

306 -

307

return env_set;

executed 3 times by 1 test: return env_set;

Executed by:

stdbuf

308 } -

309 -

310 int -

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

312 { -

313 int c; -

314 -

315 initialize_main (&argc, &argv); -

316 set_program_name (argv[0]); -

317 setlocale (LC_ALL, ""); -

318 bindtextdomain (PACKAGE, LOCALEDIR); -

319 textdomain (PACKAGE); -

320 -

321 initialize_exit_failure (EXIT_CANCELED); -

322 atexit (close_stdout); -

323 -

324

while ((c = getopt_long (argc, argv, "+i:o:e:", longopts, NULL)) != -1)

(c = getopt_lo... *)0) )) != -1	Description
TRUE	evaluated 21 times by 1 test Evaluated by: stdbuf
FALSE	evaluated 3 times by 1 test Evaluated by: stdbuf

3-21

325 { -

326 int opt_fileno; -

327 -

328 switch (c) -

329 { -

330 /* Old McDonald had a farm ei... */ -

331

case 'e':

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

Executed by:

stdbuf

332

case 'i':

executed 3 times by 1 test: case 'i':

Executed by:

stdbuf

333

case 'o':

executed 6 times by 1 test: case 'o':

Executed by:

stdbuf

334 opt_fileno = optc_to_fileno (c); -

335 assert (0 <= opt_fileno && opt_fileno < ARRAY_CARDINALITY (stdbuf)); -

336 stdbuf[opt_fileno].optc = c; -

337

while (c_isspace (*optarg))

c_isspace (*optarg)	Description
TRUE	never evaluated
FALSE	evaluated 11 times by 1 test Evaluated by: stdbuf

0-11

338

optarg++;

never executed: optarg++;

339 stdbuf[opt_fileno].optarg = optarg; -

340

if (c == 'i' && *optarg == 'L')

c == 'i'	Description
TRUE	evaluated 3 times by 1 test Evaluated by: stdbuf
FALSE	evaluated 8 times by 1 test Evaluated by: stdbuf

*optarg == 'L'	Description
TRUE	evaluated 1 time by 1 test Evaluated by: stdbuf
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

1-8

341 { -

342 /* -oL will be by far the most common use of this utility, -

343 but one could easily think -iL might have the same affect, -

344 so disallow it as it could be confusing. */ -

345 error (0, 0, _("line buffering stdin is meaningless")); -

346 usage (EXIT_CANCELED); -

347

}

never executed: end of block

348 -

349

if (!STREQ (optarg, "L")

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...)))); }) == 0)	Description
TRUE	evaluated 10 times by 1 test Evaluated by: stdbuf
FALSE	never evaluated

__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 10 times by 1 test Evaluated by: stdbuf
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	evaluated 10 times by 1 test Evaluated by: stdbuf

__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

0-10

350

&& parse_size (optarg, &stdbuf[opt_fileno].size) == -1)

parse_size (op...o].size) == -1	Description
TRUE	evaluated 8 times by 1 test Evaluated by: stdbuf
FALSE	evaluated 2 times by 1 test Evaluated by: stdbuf

2-8

351

die (EXIT_CANCELED, errno, _("invalid mode %s"), quote (optarg));

executed 8 times by 1 test:

((!!sizeof (struct { _Static_assert (EXIT_CANCELED, "verify_expr (" "EXIT_CANCELED" ", " "(error (EXIT_CANCELED, (*__errno_location ()), dcgettext (((void *)0), \"invalid mode %s\", 5), quote (optarg)), assume (false))" ")"); int _gl_dummy; })) ? ((error ...invalid mode %s" , 5) , quote (optarg)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error (EXIT_CANCELED, (*__errno_location ()) , dcgettext (((void *)0), "invalid mode %s" , 5) , quote (optarg)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));

Executed by: