OpenCoverage

nl.c

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1/* nl -- number lines of files-
2 Copyright (C) 1989-2018 Free Software Foundation, Inc.-
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 Scott Bartram (nancy!scott@uunet.uu.net)-
18 Revised by David MacKenzie (djm@gnu.ai.mit.edu) */-
19-
20#include <config.h>-
21-
22#include <stdio.h>-
23#include <sys/types.h>-
24#include <getopt.h>-
25-
26#include "system.h"-
27-
28#include <regex.h>-
29-
30#include "die.h"-
31#include "error.h"-
32#include "fadvise.h"-
33#include "linebuffer.h"-
34#include "quote.h"-
35#include "xdectoint.h"-
36-
37/* The official name of this program (e.g., no 'g' prefix). */-
38#define PROGRAM_NAME "nl"-
39-
40#define AUTHORS \-
41 proper_name ("Scott Bartram"), \-
42 proper_name ("David MacKenzie")-
43-
44/* Line-number formats. They are given an int width, an intmax_t-
45 value, and a string separator. */-
46-
47/* Right justified, no leading zeroes. */-
48static char const FORMAT_RIGHT_NOLZ[] = "%*" PRIdMAX "%s";-
49-
50/* Right justified, leading zeroes. */-
51static char const FORMAT_RIGHT_LZ[] = "%0*" PRIdMAX "%s";-
52-
53/* Left justified, no leading zeroes. */-
54static char const FORMAT_LEFT[] = "%-*" PRIdMAX "%s";-
55-
56/* Default section delimiter characters. */-
57static char const DEFAULT_SECTION_DELIMITERS[] = "\\:";-
58-
59/* Types of input lines: either one of the section delimiters,-
60 or text to output. */-
61enum section-
62{-
63 Header, Body, Footer, Text-
64};-
65-
66/* Format of body lines (-b). */-
67static char const *body_type = "t";-
68-
69/* Format of header lines (-h). */-
70static char const *header_type = "n";-
71-
72/* Format of footer lines (-f). */-
73static char const *footer_type = "n";-
74-
75/* Format currently being used (body, header, or footer). */-
76static char const *current_type;-
77-
78/* Regex for body lines to number (-bp). */-
79static struct re_pattern_buffer body_regex;-
80-
81/* Regex for header lines to number (-hp). */-
82static struct re_pattern_buffer header_regex;-
83-
84/* Regex for footer lines to number (-fp). */-
85static struct re_pattern_buffer footer_regex;-
86-
87/* Fastmaps for the above. */-
88static char body_fastmap[UCHAR_MAX + 1];-
89static char header_fastmap[UCHAR_MAX + 1];-
90static char footer_fastmap[UCHAR_MAX + 1];-
91-
92/* Pointer to current regex, if any. */-
93static struct re_pattern_buffer *current_regex = NULL;-
94-
95/* Separator string to print after line number (-s). */-
96static char const *separator_str = "\t";-
97-
98/* Input section delimiter string (-d). */-
99static char const *section_del = DEFAULT_SECTION_DELIMITERS;-
100-
101/* Header delimiter string. */-
102static char *header_del = NULL;-
103-
104/* Header section delimiter length. */-
105static size_t header_del_len;-
106-
107/* Body delimiter string. */-
108static char *body_del = NULL;-
109-
110/* Body section delimiter length. */-
111static size_t body_del_len;-
112-
113/* Footer delimiter string. */-
114static char *footer_del = NULL;-
115-
116/* Footer section delimiter length. */-
117static size_t footer_del_len;-
118-
119/* Input buffer. */-
120static struct linebuffer line_buf;-
121-
122/* printf format string for unnumbered lines. */-
123static char *print_no_line_fmt = NULL;-
124-
125/* Starting line number on each page (-v). */-
126static intmax_t starting_line_number = 1;-
127-
128/* Line number increment (-i). */-
129static intmax_t page_incr = 1;-
130-
131/* If true, reset line number at start of each page (-p). */-
132static bool reset_numbers = true;-
133-
134/* Number of blank lines to consider to be one line for numbering (-l). */-
135static intmax_t blank_join = 1;-
136-
137/* Width of line numbers (-w). */-
138static int lineno_width = 6;-
139-
140/* Line number format (-n). */-
141static char const *lineno_format = FORMAT_RIGHT_NOLZ;-
142-
143/* Current print line number. */-
144static intmax_t line_no;-
145-
146/* True if we have ever read standard input. */-
147static bool have_read_stdin;-
148-
149static struct option const longopts[] =-
150{-
151 {"header-numbering", required_argument, NULL, 'h'},-
152 {"body-numbering", required_argument, NULL, 'b'},-
153 {"footer-numbering", required_argument, NULL, 'f'},-
154 {"starting-line-number", required_argument, NULL, 'v'},-
155 {"line-increment", required_argument, NULL, 'i'},-
156 {"no-renumber", no_argument, NULL, 'p'},-
157 {"join-blank-lines", required_argument, NULL, 'l'},-
158 {"number-separator", required_argument, NULL, 's'},-
159 {"number-width", required_argument, NULL, 'w'},-
160 {"number-format", required_argument, NULL, 'n'},-
161 {"section-delimiter", required_argument, NULL, 'd'},-
162 {GETOPT_HELP_OPTION_DECL},-
163 {GETOPT_VERSION_OPTION_DECL},-
164 {NULL, 0, NULL, 0}-
165};-
166-
167/* Print a usage message and quit. */-
168-
169void-
170usage (int status)-
171{-
172 if (status != EXIT_SUCCESS)
status != 0Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 17 times by 1 test
Evaluated by:
  • nl
3-17
173 emit_try_help ();
executed 3 times by 1 test: end of block
Executed by:
  • nl
3
174 else-
175 {-
176 printf (_("\-
177Usage: %s [OPTION]... [FILE]...\n\-
178"),-
179 program_name);-
180 fputs (_("\-
181Write each FILE to standard output, with line numbers added.\n\-
182"), stdout);-
183-
184 emit_stdin_note ();-
185 emit_mandatory_arg_note ();-
186-
187 fputs (_("\-
188 -b, --body-numbering=STYLE use STYLE for numbering body lines\n\-
189 -d, --section-delimiter=CC use CC for logical page delimiters\n\-
190 -f, --footer-numbering=STYLE use STYLE for numbering footer lines\n\-
191"), stdout);-
192 fputs (_("\-
193 -h, --header-numbering=STYLE use STYLE for numbering header lines\n\-
194 -i, --line-increment=NUMBER line number increment at each line\n\-
195 -l, --join-blank-lines=NUMBER group of NUMBER empty lines counted as one\n\-
196 -n, --number-format=FORMAT insert line numbers according to FORMAT\n\-
197 -p, --no-renumber do not reset line numbers for each section\n\-
198 -s, --number-separator=STRING add STRING after (possible) line number\n\-
199"), stdout);-
200 fputs (_("\-
201 -v, --starting-line-number=NUMBER first line number for each section\n\-
202 -w, --number-width=NUMBER use NUMBER columns for line numbers\n\-
203"), stdout);-
204 fputs (HELP_OPTION_DESCRIPTION, stdout);-
205 fputs (VERSION_OPTION_DESCRIPTION, stdout);-
206 fputs (_("\-
207\n\-
208By default, selects -v1 -i1 -l1 -sTAB -w6 -nrn -hn -bt -fn.\n\-
209CC are two delimiter characters used to construct logical page delimiters,\n\-
210a missing second character implies :. Type \\\\ for \\. STYLE is one of:\n\-
211"), stdout);-
212 fputs (_("\-
213\n\-
214 a number all lines\n\-
215 t number only nonempty lines\n\-
216 n number no lines\n\-
217 pBRE number only lines that contain a match for the basic regular\n\-
218 expression, BRE\n\-
219\n\-
220FORMAT is one of:\n\-
221\n\-
222 ln left justified, no leading zeros\n\-
223 rn right justified, no leading zeros\n\-
224 rz right justified, leading zeros\n\-
225\n\-
226"), stdout);-
227 emit_ancillary_info (PROGRAM_NAME);-
228 }
executed 17 times by 1 test: end of block
Executed by:
  • nl
17
229 exit (status);
executed 20 times by 1 test: exit (status);
Executed by:
  • nl
20
230}-
231-
232/* Set the command line flag TYPEP and possibly the regex pointer REGEXP,-
233 according to 'optarg'. */-
234-
235static bool-
236build_type_arg (char const **typep,-
237 struct re_pattern_buffer *regexp, char *fastmap)-
238{-
239 char const *errmsg;-
240 bool rval = true;-
241-
242 switch (*optarg)-
243 {-
244 case 'a':
executed 4 times by 1 test: case 'a':
Executed by:
  • nl
4
245 case 't':
never executed: case 't':
0
246 case 'n':
never executed: case 'n':
0
247 *typep = optarg;-
248 break;
executed 4 times by 1 test: break;
Executed by:
  • nl
4
249 case 'p':
never executed: case 'p':
0
250 *typep = optarg++;-
251 regexp->buffer = NULL;-
252 regexp->allocated = 0;-
253 regexp->fastmap = fastmap;-
254 regexp->translate = NULL;-
255 re_syntax_options =-
256 RE_SYNTAX_POSIX_BASIC & ~RE_CONTEXT_INVALID_DUP & ~RE_NO_EMPTY_RANGES;-
257 errmsg = re_compile_pattern (optarg, strlen (optarg), regexp);-
258 if (errmsg)
errmsgDescription
TRUEnever evaluated
FALSEnever evaluated
0
259 die (EXIT_FAILURE, 0, "%s", (errmsg));
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, \"%s\", (errmsg)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , 0, "%s", (errmsg)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, "%s", (errmsg)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));
0
260 break;
never executed: break;
0
261 default:
executed 6 times by 1 test: default:
Executed by:
  • nl
6
262 rval = false;-
263 break;
executed 6 times by 1 test: break;
Executed by:
  • nl
6
264 }-
265 return rval;
executed 10 times by 1 test: return rval;
Executed by:
  • nl
10
266}-
267-
268/* Print the line number and separator; increment the line number. */-
269-
270static void-
271print_lineno (void)-
272{-
273 intmax_t next_line_no;-
274-
275 printf (lineno_format, lineno_width, line_no, separator_str);-
276-
277 next_line_no = line_no + page_incr;-
278 if (next_line_no < line_no)
next_line_no < line_noDescription
TRUEnever evaluated
FALSEevaluated 50 times by 1 test
Evaluated by:
  • nl
0-50
279 die (EXIT_FAILURE, 0, _("line number overflow"));
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, dcgettext (((void *)0), \"line number overflow\", 5)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , 0, dcgettext (((void *)0), "line number overflow" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, dcgettext (((void *)0), "line number overflow" , 5) ), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));
0
280 line_no = next_line_no;-
281}
executed 50 times by 1 test: end of block
Executed by:
  • nl
50
282-
283/* Switch to a header section. */-
284-
285static void-
286proc_header (void)-
287{-
288 current_type = header_type;-
289 current_regex = &header_regex;-
290 if (reset_numbers)
reset_numbersDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEevaluated 1 time by 1 test
Evaluated by:
  • nl
1
291 line_no = starting_line_number;
executed 1 time by 1 test: line_no = starting_line_number;
Executed by:
  • nl
1
292 putchar ('\n');-
293}
executed 2 times by 1 test: end of block
Executed by:
  • nl
2
294-
295/* Switch to a body section. */-
296-
297static void-
298proc_body (void)-
299{-
300 current_type = body_type;-
301 current_regex = &body_regex;-
302 if (reset_numbers)
reset_numbersDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEevaluated 1 time by 1 test
Evaluated by:
  • nl
1
303 line_no = starting_line_number;
executed 1 time by 1 test: line_no = starting_line_number;
Executed by:
  • nl
1
304 putchar ('\n');-
305}
executed 2 times by 1 test: end of block
Executed by:
  • nl
2
306-
307/* Switch to a footer section. */-
308-
309static void-
310proc_footer (void)-
311{-
312 current_type = footer_type;-
313 current_regex = &footer_regex;-
314 if (reset_numbers)
reset_numbersDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEevaluated 1 time by 1 test
Evaluated by:
  • nl
1
315 line_no = starting_line_number;
executed 1 time by 1 test: line_no = starting_line_number;
Executed by:
  • nl
1
316 putchar ('\n');-
317}
executed 2 times by 1 test: end of block
Executed by:
  • nl
2
318-
319/* Process a regular text line in 'line_buf'. */-
320-
321static void-
322proc_text (void)-
323{-
324 static intmax_t blank_lines = 0; /* Consecutive blank lines so far. */-
325-
326 switch (*current_type)-
327 {-
328 case 'a':
executed 4 times by 1 test: case 'a':
Executed by:
  • nl
4
329 if (blank_join > 1)
blank_join > 1Description
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • nl
0-4
330 {-
331 if (1 < line_buf.length || ++blank_lines == blank_join)
1 < line_buf.lengthDescription
TRUEnever evaluated
FALSEnever evaluated
++blank_lines == blank_joinDescription
TRUEnever evaluated
FALSEnever evaluated
0
332 {-
333 print_lineno ();-
334 blank_lines = 0;-
335 }
never executed: end of block
0
336 else-
337 fputs (print_no_line_fmt, stdout);
never executed: fputs_unlocked (print_no_line_fmt, stdout );
0
338 }-
339 else-
340 print_lineno ();
executed 4 times by 1 test: print_lineno ();
Executed by:
  • nl
4
341 break;
executed 4 times by 1 test: break;
Executed by:
  • nl
4
342 case 't':
executed 47 times by 1 test: case 't':
Executed by:
  • nl
47
343 if (1 < line_buf.length)
1 < line_buf.lengthDescription
TRUEevaluated 46 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 1 time by 1 test
Evaluated by:
  • nl
1-46
344 print_lineno ();
executed 46 times by 1 test: print_lineno ();
Executed by:
  • nl
46
345 else-
346 fputs (print_no_line_fmt, stdout);
executed 1 time by 1 test: fputs_unlocked (print_no_line_fmt, stdout );
Executed by:
  • nl
1
347 break;
executed 47 times by 1 test: break;
Executed by:
  • nl
47
348 case 'n':
never executed: case 'n':
0
349 fputs (print_no_line_fmt, stdout);-
350 break;
never executed: break;
0
351 case 'p':
never executed: case 'p':
0
352 switch (re_search (current_regex, line_buf.buffer, line_buf.length - 1,-
353 0, line_buf.length - 1, NULL))-
354 {-
355 case -2:
never executed: case -2:
0
356 die (EXIT_FAILURE, errno, _("error in regular expression search"));-
357-
358 case -1:
code before this statement never executed: case -1:
never executed: case -1:
0
359 fputs (print_no_line_fmt, stdout);-
360 break;
never executed: break;
0
361-
362 default:
never executed: default:
0
363 print_lineno ();-
364 break;
never executed: break;
0
365 }-
366 }-
367 fwrite (line_buf.buffer, sizeof (char), line_buf.length, stdout);
never executed: break;
(__builtin_exp...r++))) == (-1)Description
TRUEnever evaluated
FALSEnever evaluated
__cnt > 0Description
TRUEnever evaluated
FALSEnever evaluated
__builtin_expe...write_end), 0)Description
TRUEnever evaluated
FALSEnever evaluated
0
368}
executed 51 times by 1 test: end of block
Executed by:
  • nl
51
369-
370/* Return the type of line in 'line_buf'. */-
371-
372static enum section-
373check_section (void)-
374{-
375 size_t len = line_buf.length - 1;-
376-
377 if (len < 2 || memcmp (line_buf.buffer, section_del, 2))
len < 2Description
TRUEevaluated 13 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 44 times by 1 test
Evaluated by:
  • nl
memcmp (line_b...ection_del, 2)Description
TRUEevaluated 38 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 6 times by 1 test
Evaluated by:
  • nl
6-44
378 return Text;
executed 51 times by 1 test: return Text;
Executed by:
  • nl
51
379 if (len == header_del_len
len == header_del_lenDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 4 times by 1 test
Evaluated by:
  • nl
2-4
380 && !memcmp (line_buf.buffer, header_del, header_del_len))
!memcmp (line_...eader_del_len)Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
0-2
381 return Header;
executed 2 times by 1 test: return Header;
Executed by:
  • nl
2
382 if (len == body_del_len
len == body_del_lenDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
2
383 && !memcmp (line_buf.buffer, body_del, body_del_len))
!memcmp (line_... body_del_len)Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
0-2
384 return Body;
executed 2 times by 1 test: return Body;
Executed by:
  • nl
2
385 if (len == footer_del_len
len == footer_del_lenDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
0-2
386 && !memcmp (line_buf.buffer, footer_del, footer_del_len))
!memcmp (line_...ooter_del_len)Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
0-2
387 return Footer;
executed 2 times by 1 test: return Footer;
Executed by:
  • nl
2
388 return Text;
never executed: return Text;
0
389}-
390-
391/* Read and process the file pointed to by FP. */-
392-
393static void-
394process_file (FILE *fp)-
395{-
396 while (readlinebuffer (&line_buf, fp))
readlinebuffer (&line_buf, fp)Description
TRUEevaluated 57 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 13 times by 1 test
Evaluated by:
  • nl
13-57
397 {-
398 switch (check_section ())-
399 {-
400 case Header:
executed 2 times by 1 test: case Header:
Executed by:
  • nl
2
401 proc_header ();-
402 break;
executed 2 times by 1 test: break;
Executed by:
  • nl
2
403 case Body:
executed 2 times by 1 test: case Body:
Executed by:
  • nl
2
404 proc_body ();-
405 break;
executed 2 times by 1 test: break;
Executed by:
  • nl
2
406 case Footer:
executed 2 times by 1 test: case Footer:
Executed by:
  • nl
2
407 proc_footer ();-
408 break;
executed 2 times by 1 test: break;
Executed by:
  • nl
2
409 case Text:
executed 51 times by 1 test: case Text:
Executed by:
  • nl
51
410 proc_text ();-
411 break;
executed 51 times by 1 test: break;
Executed by:
  • nl
51
412 }-
413 }
executed 57 times by 1 test: end of block
Executed by:
  • nl
57
414}
executed 13 times by 1 test: end of block
Executed by:
  • nl
13
415-
416/* Process file FILE to standard output.-
417 Return true if successful. */-
418-
419static bool-
420nl_file (char const *file)-
421{-
422 FILE *stream;-
423-
424 if (STREQ (file, "-"))
never executed: __result = (((const unsigned char *) (const char *) ( file ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "-" ))[3] - __s2[3]);
never executed: end of block
executed 11 times by 1 test: end of block
Executed by:
  • nl
( __extension_...)))); }) == 0)Description
TRUEevaluated 11 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEevaluated 13 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__result == 0Description
TRUEevaluated 11 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
__s2_len > 1Description
TRUEnever evaluated
FALSEevaluated 11 times by 1 test
Evaluated by:
  • nl
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-13
425 {-
426 have_read_stdin = true;-
427 stream = stdin;-
428 }
executed 11 times by 1 test: end of block
Executed by:
  • nl
11
429 else-
430 {-
431 stream = fopen (file, "r");-
432 if (stream == NULL)
stream == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
0-2
433 {-
434 error (0, errno, "%s", quotef (file));-
435 return false;
never executed: return 0 ;
0
436 }-
437 }
executed 2 times by 1 test: end of block
Executed by:
  • nl
2
438-
439 fadvise (stream, FADVISE_SEQUENTIAL);-
440-
441 process_file (stream);-
442-
443 if (ferror (stream))
ferror_unlocked (stream)Description
TRUEnever evaluated
FALSEevaluated 13 times by 1 test
Evaluated by:
  • nl
0-13
444 {-
445 error (0, errno, "%s", quotef (file));-
446 return false;
never executed: return 0 ;
0
447 }-
448 if (STREQ (file, "-"))
never executed: __result = (((const unsigned char *) (const char *) ( file ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "-" ))[3] - __s2[3]);
never executed: end of block
executed 11 times by 1 test: end of block
Executed by:
  • nl
( __extension_...)))); }) == 0)Description
TRUEevaluated 11 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEevaluated 13 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__result == 0Description
TRUEevaluated 11 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
__s2_len > 1Description
TRUEnever evaluated
FALSEevaluated 11 times by 1 test
Evaluated by:
  • nl
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-13
449 clearerr (stream); /* Also clear EOF. */
executed 11 times by 1 test: clearerr_unlocked (stream);
Executed by:
  • nl
11
450 else if (fclose (stream) == EOF)
rpl_fclose (stream) == (-1)Description
TRUEnever evaluated
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
0-2
451 {-
452 error (0, errno, "%s", quotef (file));-
453 return false;
never executed: return 0 ;
0
454 }-
455 return true;
executed 13 times by 1 test: return 1 ;
Executed by:
  • nl
13
456}-
457-
458int-
459main (int argc, char **argv)-
460{-
461 int c;-
462 size_t len;-
463 bool ok = true;-
464-
465 initialize_main (&argc, &argv);-
466 set_program_name (argv[0]);-
467 setlocale (LC_ALL, "");-
468 bindtextdomain (PACKAGE, LOCALEDIR);-
469 textdomain (PACKAGE);-
470-
471 atexit (close_stdout);-
472-
473 have_read_stdin = false;-
474-
475 while ((c = getopt_long (argc, argv, "h:b:f:v:i:pl:s:w:n:d:", longopts,
(c = getopt_lo... *)0) )) != -1Description
TRUEevaluated 55 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 16 times by 1 test
Evaluated by:
  • nl
16-55
476 NULL)) != -1)
(c = getopt_lo... *)0) )) != -1Description
TRUEevaluated 55 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 16 times by 1 test
Evaluated by:
  • nl
16-55
477 {-
478 switch (c)-
479 {-
480 case 'h':
executed 4 times by 1 test: case 'h':
Executed by:
  • nl
4
481 if (! build_type_arg (&header_type, &header_regex, header_fastmap))
! build_type_a...eader_fastmap)Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
2
482 {-
483 error (0, 0, _("invalid header numbering style: %s"),-
484 quote (optarg));-
485 ok = false;-
486 }
executed 2 times by 1 test: end of block
Executed by:
  • nl
2
487 break;
executed 4 times by 1 test: break;
Executed by:
  • nl
4
488 case 'b':
executed 2 times by 1 test: case 'b':
Executed by:
  • nl
2
489 if (! build_type_arg (&body_type, &body_regex, body_fastmap))
! build_type_a... body_fastmap)Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
0-2
490 {-
491 error (0, 0, _("invalid body numbering style: %s"),-
492 quote (optarg));-
493 ok = false;-
494 }
executed 2 times by 1 test: end of block
Executed by:
  • nl
2
495 break;
executed 2 times by 1 test: break;
Executed by:
  • nl
2
496 case 'f':
executed 4 times by 1 test: case 'f':
Executed by:
  • nl
4
497 if (! build_type_arg (&footer_type, &footer_regex, footer_fastmap))
! build_type_a...ooter_fastmap)Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
2
498 {-
499 error (0, 0, _("invalid footer numbering style: %s"),-
500 quote (optarg));-
501 ok = false;-
502 }
executed 2 times by 1 test: end of block
Executed by:
  • nl
2
503 break;
executed 4 times by 1 test: break;
Executed by:
  • nl
4
504 case 'v':
executed 2 times by 1 test: case 'v':
Executed by:
  • nl
2
505 starting_line_number = xdectoimax (optarg, INTMAX_MIN, INTMAX_MAX, "",-
506 _("invalid starting line number"),-
507 0);-
508 break;
never executed: break;
0
509 case 'i':
executed 2 times by 1 test: case 'i':
Executed by:
  • nl
2
510 page_incr = xdectoimax (optarg, 1, INTMAX_MAX, "",-
511 _("invalid line number increment"), 0);-
512 break;
never executed: break;
0
513 case 'p':
executed 3 times by 1 test: case 'p':
Executed by:
  • nl
3
514 reset_numbers = false;-
515 break;
executed 3 times by 1 test: break;
Executed by:
  • nl
3
516 case 'l':
executed 2 times by 1 test: case 'l':
Executed by:
  • nl
2
517 blank_join = xdectoimax (optarg, 1, INTMAX_MAX, "",-
518 _("invalid line number of blank lines"), 0);-
519 break;
never executed: break;
0
520 case 's':
executed 3 times by 1 test: case 's':
Executed by:
  • nl
3
521 separator_str = optarg;-
522 break;
executed 3 times by 1 test: break;
Executed by:
  • nl
3
523 case 'w':
executed 2 times by 1 test: case 'w':
Executed by:
  • nl
2
524 lineno_width = xdectoimax (optarg, 1, INT_MAX, "",-
525 _("invalid line number field width"), 0);-
526 break;
never executed: break;
0
527 case 'n':
executed 5 times by 1 test: case 'n':
Executed by:
  • nl
5
528 if (STREQ (optarg, "ln"))
never executed: __result = (((const unsigned char *) (const char *) ( optarg ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "ln" ))[3] - __s2[3]);
executed 1 time by 1 test: end of block
Executed by:
  • nl
executed 1 time by 1 test: end of block
Executed by:
  • nl
( __extension_...)))); }) == 0)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEevaluated 4 times by 1 test
Evaluated by:
  • nl
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEevaluated 5 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__result == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEevaluated 4 times by 1 test
Evaluated by:
  • nl
__s2_len > 1Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__result == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • nl
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-5
529 lineno_format = FORMAT_LEFT;
executed 1 time by 1 test: lineno_format = FORMAT_LEFT;
Executed by:
  • nl
1
530 else if (STREQ (optarg, "rn"))
never executed: __result = (((const unsigned char *) (const char *) ( optarg ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "rn" ))[3] - __s2[3]);
executed 1 time by 1 test: end of block
Executed by:
  • nl
executed 2 times by 1 test: end of block
Executed by:
  • nl
( __extension_...)))); }) == 0)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEevaluated 3 times by 1 test
Evaluated by:
  • nl
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__result == 0Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
__s2_len > 1Description
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__result == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEevaluated 1 time by 1 test
Evaluated by:
  • nl
__s2_len > 2Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • nl
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-4
531 lineno_format = FORMAT_RIGHT_NOLZ;
executed 1 time by 1 test: lineno_format = FORMAT_RIGHT_NOLZ;
Executed by:
  • nl
1
532 else if (STREQ (optarg, "rz"))
never executed: __result = (((const unsigned char *) (const char *) ( optarg ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "rz" ))[3] - __s2[3]);
executed 1 time by 1 test: end of block
Executed by:
  • nl
executed 1 time by 1 test: end of block
Executed by:
  • nl
( __extension_...)))); }) == 0)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__result == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
__s2_len > 1Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__result == 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • nl
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • nl
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-3
533 lineno_format = FORMAT_RIGHT_LZ;
executed 1 time by 1 test: lineno_format = FORMAT_RIGHT_LZ;
Executed by:
  • nl
1
534 else-
535 {-
536 error (0, 0, _("invalid line numbering format: %s"),-
537 quote (optarg));-
538 ok = false;-
539 }
executed 2 times by 1 test: end of block
Executed by:
  • nl
2
540 break;
executed 5 times by 1 test: break;
Executed by:
  • nl
5
541 case 'd':
executed 2 times by 1 test: case 'd':
Executed by:
  • nl
2
542 section_del = optarg;-
543 break;
executed 2 times by 1 test: break;
Executed by:
  • nl
2
544 case_GETOPT_HELP_CHAR;
never executed: break;
executed 17 times by 1 test: case GETOPT_HELP_CHAR:
Executed by:
  • nl
0-17
545 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
executed 4 times by 1 test: exit ( 0 );
Executed by:
  • nl
never executed: break;
executed 4 times by 1 test: case GETOPT_VERSION_CHAR:
Executed by:
  • nl
0-4
546 default:
executed 3 times by 1 test: default:
Executed by:
  • nl
3
547 ok = false;-
548 break;
executed 3 times by 1 test: break;
Executed by:
  • nl
3
549 }-
550 }-
551-
552 if (!ok)
!okDescription
TRUEevaluated 3 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 13 times by 1 test
Evaluated by:
  • nl
3-13
553 usage (EXIT_FAILURE);
executed 3 times by 1 test: usage ( 1 );
Executed by:
  • nl
3
554-
555 /* Initialize the section delimiters. */-
556 len = strlen (section_del);-
557-
558 header_del_len = len * 3;-
559 header_del = xmalloc (header_del_len + 1);-
560 stpcpy (stpcpy (stpcpy (header_del, section_del), section_del), section_del);-
561-
562 body_del_len = len * 2;-
563 body_del = xmalloc (body_del_len + 1);-
564 stpcpy (stpcpy (body_del, section_del), section_del);-
565-
566 footer_del_len = len;-
567 footer_del = xmalloc (footer_del_len + 1);-
568 stpcpy (footer_del, section_del);-
569-
570 /* Initialize the input buffer. */-
571 initbuffer (&line_buf);-
572-
573 /* Initialize the printf format for unnumbered lines. */-
574 len = strlen (separator_str);-
575 print_no_line_fmt = xmalloc (lineno_width + len + 1);-
576 memset (print_no_line_fmt, ' ', lineno_width + len);-
577 print_no_line_fmt[lineno_width + len] = '\0';-
578-
579 line_no = starting_line_number;-
580 current_type = body_type;-
581 current_regex = &body_regex;-
582-
583 /* Main processing. */-
584-
585 if (optind == argc)
optind == argcDescription
TRUEevaluated 11 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
2-11
586 ok = nl_file ("-");
executed 11 times by 1 test: ok = nl_file ("-");
Executed by:
  • nl
11
587 else-
588 for (; optind < argc; optind++)
optind < argcDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
2
589 ok &= nl_file (argv[optind]);
executed 2 times by 1 test: ok &= nl_file (argv[optind]);
Executed by:
  • nl
2
590-
591 if (have_read_stdin && fclose (stdin) == EOF)
have_read_stdinDescription
TRUEevaluated 11 times by 1 test
Evaluated by:
  • nl
FALSEevaluated 2 times by 1 test
Evaluated by:
  • nl
rpl_fclose ( stdin ) == (-1)Description
TRUEnever evaluated
FALSEevaluated 11 times by 1 test
Evaluated by:
  • nl
0-11
592 die (EXIT_FAILURE, errno, "-");
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), \"-\"), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*__errno_location ()) , "-"), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , "-"), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));
0
593-
594 return ok ? EXIT_SUCCESS : EXIT_FAILURE;
executed 13 times by 1 test: return ok ? 0 : 1 ;
Executed by:
  • nl
13
595}-
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