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touch.c

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1/* touch -- change modification and access times of files-
2 Copyright (C) 1987-2018 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 Paul Rubin, Arnold Robbins, Jim Kingdon, David MacKenzie,-
18 and Randy Smith. */-
19-
20#include <config.h>-
21#include <stdio.h>-
22#include <getopt.h>-
23#include <sys/types.h>-
24#include <assert.h>-
25-
26#include "system.h"-
27#include "argmatch.h"-
28#include "die.h"-
29#include "error.h"-
30#include "fd-reopen.h"-
31#include "parse-datetime.h"-
32#include "posixtm.h"-
33#include "posixver.h"-
34#include "quote.h"-
35#include "stat-time.h"-
36#include "utimens.h"-
37-
38/* The official name of this program (e.g., no 'g' prefix). */-
39#define PROGRAM_NAME "touch"-
40-
41#define AUTHORS \-
42 proper_name ("Paul Rubin"), \-
43 proper_name ("Arnold Robbins"), \-
44 proper_name ("Jim Kingdon"), \-
45 proper_name ("David MacKenzie"), \-
46 proper_name ("Randy Smith")-
47-
48/* Bitmasks for 'change_times'. */-
49#define CH_ATIME 1-
50#define CH_MTIME 2-
51-
52/* Which timestamps to change. */-
53static int change_times;-
54-
55/* (-c) If true, don't create if not already there. */-
56static bool no_create;-
57-
58/* (-r) If true, use times from a reference file. */-
59static bool use_ref;-
60-
61/* (-h) If true, change the times of an existing symlink, if possible. */-
62static bool no_dereference;-
63-
64/* If true, the only thing we have to do is change both the-
65 modification and access time to the current time, so we don't-
66 have to own the file, just be able to read and write it.-
67 On some systems, we can do this if we own the file, even though-
68 we have neither read nor write access to it. */-
69static bool amtime_now;-
70-
71/* New access and modification times to use when setting time. */-
72static struct timespec newtime[2];-
73-
74/* File to use for -r. */-
75static char *ref_file;-
76-
77/* For long options that have no equivalent short option, use a-
78 non-character as a pseudo short option, starting with CHAR_MAX + 1. */-
79enum-
80{-
81 TIME_OPTION = CHAR_MAX + 1-
82};-
83-
84static struct option const longopts[] =-
85{-
86 {"time", required_argument, NULL, TIME_OPTION},-
87 {"no-create", no_argument, NULL, 'c'},-
88 {"date", required_argument, NULL, 'd'},-
89 {"reference", required_argument, NULL, 'r'},-
90 {"no-dereference", no_argument, NULL, 'h'},-
91 {GETOPT_HELP_OPTION_DECL},-
92 {GETOPT_VERSION_OPTION_DECL},-
93 {NULL, 0, NULL, 0}-
94};-
95-
96/* Valid arguments to the '--time' option. */-
97static char const* const time_args[] =-
98{-
99 "atime", "access", "use", "mtime", "modify", NULL-
100};-
101-
102/* The bits in 'change_times' that those arguments set. */-
103static int const time_masks[] =-
104{-
105 CH_ATIME, CH_ATIME, CH_ATIME, CH_MTIME, CH_MTIME-
106};-
107-
108/* Store into *RESULT the result of interpreting FLEX_DATE as a date,-
109 relative to NOW. If NOW is null, use the current time. */-
110-
111static void-
112get_reldate (struct timespec *result,-
113 char const *flex_date, struct timespec const *now)-
114{-
115 if (! parse_datetime (result, flex_date, now))
! parse_dateti...lex_date, now)Description
TRUEnever evaluated
FALSEevaluated 41 times by 1 test
Evaluated by:
  • touch
0-41
116 die (EXIT_FAILURE, 0, _("invalid date format %s"), quote (flex_date));
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, dcgettext (((void *)0), \"invalid date format %s\", 5), quote (flex_date)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , 0, dcgettext (((void *)0), "invalid date format %s" , 5) , quote (flex_date)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, dcgettext (((void *)0), "invalid date format %s" , 5) , quote (flex_date)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))));
0
117}
executed 41 times by 1 test: end of block
Executed by:
  • touch
41
118-
119/* Update the time of file FILE according to the options given.-
120 Return true if successful. */-
121-
122static bool-
123touch (const char *file)-
124{-
125 bool ok;-
126 int fd = -1;-
127 int open_errno = 0;-
128 struct timespec const *t = newtime;-
129-
130 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 50 times by 1 test: end of block
Executed by:
  • touch
( __extension_...)))); }) == 0)Description
TRUEevaluated 8 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 222850 times by 1 test
Evaluated by:
  • touch
__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 222858 times by 1 test
Evaluated by:
  • touch
FALSEnever evaluated
__result == 0Description
TRUEevaluated 50 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 222808 times by 1 test
Evaluated by:
  • touch
__s2_len > 1Description
TRUEnever evaluated
FALSEevaluated 50 times by 1 test
Evaluated by:
  • touch
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-222858
131 fd = STDOUT_FILENO;
executed 8 times by 1 test: fd = 1 ;
Executed by:
  • touch
8
132 else if (! (no_create || no_dereference))
no_createDescription
TRUEevaluated 12 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 222838 times by 1 test
Evaluated by:
  • touch
no_dereferenceDescription
TRUEevaluated 8 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 222830 times by 1 test
Evaluated by:
  • touch
8-222838
133 {-
134 /* Try to open FILE, creating it if necessary. */-
135 fd = fd_reopen (STDIN_FILENO, file,-
136 O_WRONLY | O_CREAT | O_NONBLOCK | O_NOCTTY, MODE_RW_UGO);-
137-
138 /* Don't save a copy of errno if it's EISDIR, since that would lead-
139 touch to give a bogus diagnostic for e.g., 'touch /' (assuming-
140 we don't own / or have write access to it). On Solaris 5.6,-
141 and probably other systems, it is EINVAL. On SunOS4, it's EPERM. */-
142 if (fd == -1 && errno != EISDIR && errno != EINVAL && errno != EPERM)
fd == -1Description
TRUEevaluated 12 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 222818 times by 1 test
Evaluated by:
  • touch
(*__errno_location ()) != 21Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 9 times by 1 test
Evaluated by:
  • touch
(*__errno_location ()) != 22Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • touch
FALSEnever evaluated
(*__errno_location ()) != 1Description
TRUEevaluated 3 times by 1 test
Evaluated by:
  • touch
FALSEnever evaluated
0-222818
143 open_errno = errno;
executed 3 times by 1 test: open_errno = (*__errno_location ()) ;
Executed by:
  • touch
3
144 }
executed 222830 times by 1 test: end of block
Executed by:
  • touch
222830
145-
146 if (change_times != (CH_ATIME | CH_MTIME))
change_times != (1 | 2)Description
TRUEevaluated 13 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 222845 times by 1 test
Evaluated by:
  • touch
13-222845
147 {-
148 /* We're setting only one of the time values. */-
149 if (change_times == CH_MTIME)
change_times == 2Description
TRUEevaluated 7 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 6 times by 1 test
Evaluated by:
  • touch
6-7
150 newtime[0].tv_nsec = UTIME_OMIT;
executed 7 times by 1 test: newtime[0].tv_nsec = ((1l << 30) - 2l) ;
Executed by:
  • touch
7
151 else-
152 {-
153 assert (change_times == CH_ATIME);-
154 newtime[1].tv_nsec = UTIME_OMIT;-
155 }
executed 6 times by 1 test: end of block
Executed by:
  • touch
6
156 }-
157-
158 if (amtime_now)
amtime_nowDescription
TRUEevaluated 222804 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 54 times by 1 test
Evaluated by:
  • touch
54-222804
159 {-
160 /* Pass NULL to futimens so it will not fail if we have-
161 write access to the file, but don't own it. */-
162 t = NULL;-
163 }
executed 222804 times by 1 test: end of block
Executed by:
  • touch
222804
164-
165 ok = (fdutimensat (fd, AT_FDCWD, (fd == STDOUT_FILENO ? NULL : file), t,-
166 (no_dereference && fd == -1) ? AT_SYMLINK_NOFOLLOW : 0)-
167 == 0);-
168-
169 if (fd == STDIN_FILENO)
fd == 0Description
TRUEevaluated 222818 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 40 times by 1 test
Evaluated by:
  • touch
40-222818
170 {-
171 if (close (STDIN_FILENO) != 0)
close ( 0 ) != 0Description
TRUEnever evaluated
FALSEevaluated 222818 times by 1 test
Evaluated by:
  • touch
0-222818
172 {-
173 error (0, errno, _("failed to close %s"), quoteaf (file));-
174 return false;
never executed: return 0 ;
0
175 }-
176 }
executed 222818 times by 1 test: end of block
Executed by:
  • touch
222818
177 else if (fd == STDOUT_FILENO)
fd == 1Description
TRUEevaluated 8 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 32 times by 1 test
Evaluated by:
  • touch
8-32
178 {-
179 /* Do not diagnose "touch -c - >&-". */-
180 if (!ok && errno == EBADF && no_create)
!okDescription
TRUEevaluated 5 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 3 times by 1 test
Evaluated by:
  • touch
(*__errno_location ()) == 9Description
TRUEevaluated 5 times by 1 test
Evaluated by:
  • touch
FALSEnever evaluated
no_createDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 1 time by 1 test
Evaluated by:
  • touch
0-5
181 return true;
executed 4 times by 1 test: return 1 ;
Executed by:
  • touch
4
182 }
executed 4 times by 1 test: end of block
Executed by:
  • touch
4
183-
184 if (!ok)
!okDescription
TRUEevaluated 18 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 222836 times by 1 test
Evaluated by:
  • touch
18-222836
185 {-
186 if (open_errno)
open_errnoDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • touch
FALSEevaluated 17 times by 1 test
Evaluated by:
  • touch
1-17
187 {-
188 /* The wording of this diagnostic should cover at least two cases:-
189 - the file does not exist, but the parent directory is unwritable-
190 - the file exists, but it isn't writable-
191 I think it's not worth trying to distinguish them. */-
192 error (0, open_errno, _("cannot touch %s"), quoteaf (file));-
193 }
executed 1 time by 1 test: end of block
Executed by:
  • touch
1
194 else-
195 {-
196 if (no_create && errno == ENOENT)
no_createDescription
TRUEevaluated 9 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 8 times by 1 test
Evaluated by:
  • touch
(*__errno_location ()) == 2Description
TRUEevaluated 6 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 3 times by 1 test
Evaluated by:
  • touch
3-9
197 return true;
executed 6 times by 1 test: return 1 ;
Executed by:
  • touch
6
198 error (0, errno, _("setting times of %s"), quoteaf (file));-
199 }
executed 11 times by 1 test: end of block
Executed by:
  • touch
11
200 return false;
executed 12 times by 1 test: return 0 ;
Executed by:
  • touch
12
201 }-
202-
203 return true;
executed 222836 times by 1 test: return 1 ;
Executed by:
  • touch
222836
204}-
205-
206void-
207usage (int status)-
208{-
209 if (status != EXIT_SUCCESS)
status != 0Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 14 times by 1 test
Evaluated by:
  • touch
4-14
210 emit_try_help ();
executed 4 times by 1 test: end of block
Executed by:
  • touch
4
211 else-
212 {-
213 printf (_("Usage: %s [OPTION]... FILE...\n"), program_name);-
214 fputs (_("\-
215Update the access and modification times of each FILE to the current time.\n\-
216\n\-
217A FILE argument that does not exist is created empty, unless -c or -h\n\-
218is supplied.\n\-
219\n\-
220A FILE argument string of - is handled specially and causes touch to\n\-
221change the times of the file associated with standard output.\n\-
222"), stdout);-
223-
224 emit_mandatory_arg_note ();-
225-
226 fputs (_("\-
227 -a change only the access time\n\-
228 -c, --no-create do not create any files\n\-
229 -d, --date=STRING parse STRING and use it instead of current time\n\-
230 -f (ignored)\n\-
231"), stdout);-
232 fputs (_("\-
233 -h, --no-dereference affect each symbolic link instead of any referenced\n\-
234 file (useful only on systems that can change the\n\-
235 timestamps of a symlink)\n\-
236 -m change only the modification time\n\-
237"), stdout);-
238 fputs (_("\-
239 -r, --reference=FILE use this file's times instead of current time\n\-
240 -t STAMP use [[CC]YY]MMDDhhmm[.ss] instead of current time\n\-
241 --time=WORD change the specified time:\n\-
242 WORD is access, atime, or use: equivalent to -a\n\-
243 WORD is modify or mtime: equivalent to -m\n\-
244"), stdout);-
245 fputs (HELP_OPTION_DESCRIPTION, stdout);-
246 fputs (VERSION_OPTION_DESCRIPTION, stdout);-
247 fputs (_("\-
248\n\-
249Note that the -d and -t options accept different time-date formats.\n\-
250"), stdout);-
251 emit_ancillary_info (PROGRAM_NAME);-
252 }
executed 14 times by 1 test: end of block
Executed by:
  • touch
14
253 exit (status);
executed 18 times by 1 test: exit (status);
Executed by:
  • touch
18
254}-
255-
256int-
257main (int argc, char **argv)-
258{-
259 int c;-
260 bool date_set = false;-
261 bool ok = true;-
262 char const *flex_date = NULL;-
263-
264 initialize_main (&argc, &argv);-
265 set_program_name (argv[0]);-
266 setlocale (LC_ALL, "");-
267 bindtextdomain (PACKAGE, LOCALEDIR);-
268 textdomain (PACKAGE);-
269-
270 atexit (close_stdout);-
271-
272 change_times = 0;-
273 no_create = use_ref = false;-
274-
275 while ((c = getopt_long (argc, argv, "acd:fhmr:t:", longopts, NULL)) != -1)
(c = getopt_lo... *)0) )) != -1Description
TRUEevaluated 134 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 3319 times by 1 test
Evaluated by:
  • touch
134-3319
276 {-
277 switch (c)-
278 {-
279 case 'a':
executed 7 times by 1 test: case 'a':
Executed by:
  • touch
7
280 change_times |= CH_ATIME;-
281 break;
executed 7 times by 1 test: break;
Executed by:
  • touch
7
282-
283 case 'c':
executed 18 times by 1 test: case 'c':
Executed by:
  • touch
18
284 no_create = true;-
285 break;
executed 18 times by 1 test: break;
Executed by:
  • touch
18
286-
287 case 'd':
executed 42 times by 1 test: case 'd':
Executed by:
  • touch
42
288 flex_date = optarg;-
289 break;
executed 42 times by 1 test: break;
Executed by:
  • touch
42
290-
291 case 'f':
executed 1 time by 1 test: case 'f':
Executed by:
  • touch
1
292 break;
executed 1 time by 1 test: break;
Executed by:
  • touch
1
293-
294 case 'h':
executed 14 times by 1 test: case 'h':
Executed by:
  • touch
14
295 no_dereference = true;-
296 break;
executed 14 times by 1 test: break;
Executed by:
  • touch
14
297-
298 case 'm':
executed 8 times by 1 test: case 'm':
Executed by:
  • touch
8
299 change_times |= CH_MTIME;-
300 break;
executed 8 times by 1 test: break;
Executed by:
  • touch
8
301-
302 case 'r':
executed 5 times by 1 test: case 'r':
Executed by:
  • touch
5
303 use_ref = true;-
304 ref_file = optarg;-
305 break;
executed 5 times by 1 test: break;
Executed by:
  • touch
5
306-
307 case 't':
executed 2 times by 1 test: case 't':
Executed by:
  • touch
2
308 if (! posixtime (&newtime[0].tv_sec, optarg,
! posixtime (&...rg, 0 | 2 | 4)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • touch
FALSEevaluated 1 time by 1 test
Evaluated by:
  • touch
1
309 PDS_LEADING_YEAR | PDS_CENTURY | PDS_SECONDS))
! posixtime (&...rg, 0 | 2 | 4)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • touch
FALSEevaluated 1 time by 1 test
Evaluated by:
  • touch
1
310 die (EXIT_FAILURE, 0, _("invalid date format %s"),
executed 1 time by 1 test: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, dcgettext (((void *)0), \"invalid date format %s\", 5), quote (optarg)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , 0, dcgettext (((void *)0), "invalid date format %s" , 5) , quote (optarg)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, dcgettext (((void *)0), "invalid date format %s" , 5) , quote (optarg)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;
Executed by:
  • touch
1
311 quote (optarg));
executed 1 time by 1 test: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, 0, dcgettext (((void *)0), \"invalid date format %s\", 5), quote (optarg)), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , 0, dcgettext (((void *)0), "invalid date format %s" , 5) , quote (optarg)), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , 0, dcgettext (((void *)0), "invalid date format %s" , 5) , quote (optarg)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;
Executed by:
  • touch
1
312 newtime[0].tv_nsec = 0;-
313 newtime[1] = newtime[0];-
314 date_set = true;-
315 break;
executed 1 time by 1 test: break;
Executed by:
  • touch
1
316-
317 case TIME_OPTION: /* --time */
executed 1 time by 1 test: case TIME_OPTION:
Executed by:
  • touch
1
318 change_times |= XARGMATCH ("--time", optarg,-
319 time_args, time_masks);-
320 break;
never executed: break;
0
321-
322 case_GETOPT_HELP_CHAR;
never executed: break;
executed 14 times by 1 test: case GETOPT_HELP_CHAR:
Executed by:
  • touch
0-14
323-
324 case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);
executed 19 times by 1 test: exit ( 0 );
Executed by:
  • touch
never executed: break;
executed 19 times by 1 test: case GETOPT_VERSION_CHAR:
Executed by:
  • touch
0-19
325-
326 default:
executed 3 times by 1 test: default:
Executed by:
  • touch
3
327 usage (EXIT_FAILURE);-
328 }
never executed: end of block
0
329 }-
330-
331 if (change_times == 0)
change_times == 0Description
TRUEevaluated 3306 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 13 times by 1 test
Evaluated by:
  • touch
13-3306
332 change_times = CH_ATIME | CH_MTIME;
executed 3306 times by 1 test: change_times = 1 | 2;
Executed by:
  • touch
3306
333-
334 if (date_set && (use_ref || flex_date))
date_setDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • touch
FALSEevaluated 3318 times by 1 test
Evaluated by:
  • touch
use_refDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • touch
flex_dateDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • touch
0-3318
335 {-
336 error (0, 0, _("cannot specify times from more than one source"));-
337 usage (EXIT_FAILURE);-
338 }
never executed: end of block
0
339-
340 if (use_ref)
use_refDescription
TRUEevaluated 3 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 3316 times by 1 test
Evaluated by:
  • touch
3-3316
341 {-
342 struct stat ref_stats;-
343 /* Don't use (no_dereference?lstat:stat) (args), since stat-
344 might be an object-like macro. */-
345 if (no_dereference ? lstat (ref_file, &ref_stats)
no_dereference...e, &ref_stats)Description
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • touch
no_dereferenceDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 1 time by 1 test
Evaluated by:
  • touch
0-3
346 : stat (ref_file, &ref_stats))
no_dereference...e, &ref_stats)Description
TRUEnever evaluated
FALSEevaluated 3 times by 1 test
Evaluated by:
  • touch
0-3
347 die (EXIT_FAILURE, errno,
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to get attributes of %s\", 5), quotearg_style (shell_escape_always_quoting_style, ref_file)), assume (false))" ")"); in...oid) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to get attributes of %s" , 5) , quotearg_style (shell_escape_always_quoting_style, ref_file)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;
0
348 _("failed to get attributes of %s"), quoteaf (ref_file));
never executed: ((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"failed to get attributes of %s\", 5), quotearg_style (shell_escape_always_quoting_style, ref_file)), assume (false))" ")"); in...oid) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "failed to get attributes of %s" , 5) , quotearg_style (shell_escape_always_quoting_style, ref_file)), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;
0
349 newtime[0] = get_stat_atime (&ref_stats);-
350 newtime[1] = get_stat_mtime (&ref_stats);-
351 date_set = true;-
352 if (flex_date)
flex_dateDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • touch
FALSEevaluated 2 times by 1 test
Evaluated by:
  • touch
1-2
353 {-
354 if (change_times & CH_ATIME)
change_times & 1Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • touch
FALSEnever evaluated
0-1
355 get_reldate (&newtime[0], flex_date, &newtime[0]);
executed 1 time by 1 test: get_reldate (&newtime[0], flex_date, &newtime[0]);
Executed by:
  • touch
1
356 if (change_times & CH_MTIME)
change_times & 2Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • touch
FALSEnever evaluated
0-1
357 get_reldate (&newtime[1], flex_date, &newtime[1]);
executed 1 time by 1 test: get_reldate (&newtime[1], flex_date, &newtime[1]);
Executed by:
  • touch
1
358 }
executed 1 time by 1 test: end of block
Executed by:
  • touch
1
359 }
executed 3 times by 1 test: end of block
Executed by:
  • touch
3
360 else-
361 {-
362 if (flex_date)
flex_dateDescription
TRUEevaluated 39 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 3277 times by 1 test
Evaluated by:
  • touch
39-3277
363 {-
364 struct timespec now;-
365 gettime (&now);-
366 get_reldate (&newtime[0], flex_date, &now);-
367 newtime[1] = newtime[0];-
368 date_set = true;-
369-
370 /* If neither -a nor -m is specified, treat "-d now" as if-
371 it were absent; this lets "touch" succeed more often in-
372 the presence of restrictive permissions. */-
373 if (change_times == (CH_ATIME | CH_MTIME)
change_times == (1 | 2)Description
TRUEevaluated 31 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 8 times by 1 test
Evaluated by:
  • touch
8-31
374 && newtime[0].tv_sec == now.tv_sec
newtime[0].tv_... == now.tv_secDescription
TRUEnever evaluated
FALSEevaluated 31 times by 1 test
Evaluated by:
  • touch
0-31
375 && newtime[0].tv_nsec == now.tv_nsec)
newtime[0].tv_...== now.tv_nsecDescription
TRUEnever evaluated
FALSEnever evaluated
0
376 {-
377 /* Check that it really was "-d now", and not a timestamp-
378 that just happens to be the current time. */-
379 struct timespec notnow, notnow1;-
380 notnow.tv_sec = now.tv_sec ^ 1;-
381 notnow.tv_nsec = now.tv_nsec;-
382 get_reldate (&notnow1, flex_date, &notnow);-
383 if (notnow1.tv_sec == notnow.tv_sec
notnow1.tv_sec... notnow.tv_secDescription
TRUEnever evaluated
FALSEnever evaluated
0
384 && notnow1.tv_nsec == notnow.tv_nsec)
notnow1.tv_nse...notnow.tv_nsecDescription
TRUEnever evaluated
FALSEnever evaluated
0
385 date_set = false;
never executed: date_set = 0 ;
0
386 }
never executed: end of block
0
387 }
executed 39 times by 1 test: end of block
Executed by:
  • touch
39
388 }
executed 3316 times by 1 test: end of block
Executed by:
  • touch
3316
389-
390 /* The obsolete 'MMDDhhmm[YY]' form is valid IFF there are-
391 two or more non-option arguments. */-
392 if (!date_set && 2 <= argc - optind && posix2_version () < 200112
!date_setDescription
TRUEevaluated 3276 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 43 times by 1 test
Evaluated by:
  • touch
2 <= argc - optindDescription
TRUEevaluated 194 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 3082 times by 1 test
Evaluated by:
  • touch
posix2_version () < 200112Description
TRUEevaluated 5 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 189 times by 1 test
Evaluated by:
  • touch
5-3276
393 && posixtime (&newtime[0].tv_sec, argv[optind],
posixtime (&ne...ptind], 1 | 8)Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 1 time by 1 test
Evaluated by:
  • touch
1-4
394 PDS_TRAILING_YEAR | PDS_PRE_2000))
posixtime (&ne...ptind], 1 | 8)Description
TRUEevaluated 4 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 1 time by 1 test
Evaluated by:
  • touch
1-4
395 {-
396 newtime[0].tv_nsec = 0;-
397 newtime[1] = newtime[0];-
398 date_set = true;-
399-
400 if (! getenv ("POSIXLY_CORRECT"))
! getenv ("POSIXLY_CORRECT")Description
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • touch
0-4
401 {-
402 struct tm const *tm = localtime (&newtime[0].tv_sec);-
403-
404 /* Technically, it appears that even a deliberate attempt to cause-
405 the above localtime to return NULL will always fail because our-
406 posixtime implementation rejects all dates for which localtime-
407 would fail. However, skip the warning if it ever fails. */-
408 if (tm)
tmDescription
TRUEnever evaluated
FALSEnever evaluated
0
409 error (0, 0,
never executed: error (0, 0, dcgettext (((void *)0), "warning: 'touch %s' is obsolete; use " "'touch -t %04ld%02d%02d%02d%02d.%02d'" , 5) , argv[optind], tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
0
410 _("warning: 'touch %s' is obsolete; use "
never executed: error (0, 0, dcgettext (((void *)0), "warning: 'touch %s' is obsolete; use " "'touch -t %04ld%02d%02d%02d%02d.%02d'" , 5) , argv[optind], tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
0
411 "'touch -t %04ld%02d%02d%02d%02d.%02d'"),
never executed: error (0, 0, dcgettext (((void *)0), "warning: 'touch %s' is obsolete; use " "'touch -t %04ld%02d%02d%02d%02d.%02d'" , 5) , argv[optind], tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
0
412 argv[optind],
never executed: error (0, 0, dcgettext (((void *)0), "warning: 'touch %s' is obsolete; use " "'touch -t %04ld%02d%02d%02d%02d.%02d'" , 5) , argv[optind], tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
0
413 tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday,
never executed: error (0, 0, dcgettext (((void *)0), "warning: 'touch %s' is obsolete; use " "'touch -t %04ld%02d%02d%02d%02d.%02d'" , 5) , argv[optind], tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
0
414 tm->tm_hour, tm->tm_min, tm->tm_sec);
never executed: error (0, 0, dcgettext (((void *)0), "warning: 'touch %s' is obsolete; use " "'touch -t %04ld%02d%02d%02d%02d.%02d'" , 5) , argv[optind], tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
0
415 }
never executed: end of block
0
416-
417 optind++;-
418 }
executed 4 times by 1 test: end of block
Executed by:
  • touch
4
419-
420 if (!date_set)
!date_setDescription
TRUEevaluated 3272 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 47 times by 1 test
Evaluated by:
  • touch
47-3272
421 {-
422 if (change_times == (CH_ATIME | CH_MTIME))
change_times == (1 | 2)Description
TRUEevaluated 3267 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 5 times by 1 test
Evaluated by:
  • touch
5-3267
423 amtime_now = true;
executed 3267 times by 1 test: amtime_now = 1 ;
Executed by:
  • touch
3267
424 else-
425 newtime[1].tv_nsec = newtime[0].tv_nsec = UTIME_NOW;
executed 5 times by 1 test: newtime[1].tv_nsec = newtime[0].tv_nsec = ((1l << 30) - 1l) ;
Executed by:
  • touch
5
426 }-
427-
428 if (optind == argc)
optind == argcDescription
TRUEnever evaluated
FALSEevaluated 3319 times by 1 test
Evaluated by:
  • touch
0-3319
429 {-
430 error (0, 0, _("missing file operand"));-
431 usage (EXIT_FAILURE);-
432 }
never executed: end of block
0
433-
434 for (; optind < argc; ++optind)
optind < argcDescription
TRUEevaluated 222858 times by 1 test
Evaluated by:
  • touch
FALSEevaluated 3319 times by 1 test
Evaluated by:
  • touch
3319-222858
435 ok &= touch (argv[optind]);
executed 222858 times by 1 test: ok &= touch (argv[optind]);
Executed by:
  • touch
222858
436-
437 return ok ? EXIT_SUCCESS : EXIT_FAILURE;
executed 3319 times by 1 test: return ok ? 0 : 1 ;
Executed by:
  • touch
3319
438}-
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