1 | /* Copyright (C) 1994-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library 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 GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <fcntl.h> |
19 | #include <stdint.h> |
20 | #include <stdio.h> |
21 | #include <stdlib.h> |
22 | #include <sys/stat.h> |
23 | #include <unistd.h> |
24 | #include <utime.h> |
25 | #include <time.h> |
26 | |
27 | int |
28 | main (int argc, char *argv[]) |
29 | { |
30 | char file[] = "/tmp/test-utime.XXXXXX" ; |
31 | struct utimbuf ut; |
32 | struct stat st; |
33 | struct stat stnow; |
34 | time_t now1, now2; |
35 | int fd; |
36 | |
37 | fd = mkstemp (template: file); |
38 | if (fd < 0) |
39 | { |
40 | perror ("mkstemp" ); |
41 | return 1; |
42 | } |
43 | close (fd: fd); |
44 | |
45 | /* Test utime with arg */ |
46 | ut.actime = 500000000; |
47 | ut.modtime = 500000001; |
48 | if (utime (file, &ut)) |
49 | { |
50 | perror ("utime" ); |
51 | remove (file); |
52 | return 1; |
53 | } |
54 | |
55 | if (stat (file: file, buf: &st)) |
56 | { |
57 | perror ("stat" ); |
58 | remove (file); |
59 | return 1; |
60 | } |
61 | |
62 | /* Test utime with NULL. |
63 | Since there's a race condition possible here, we check |
64 | the time before and after the call to utime. */ |
65 | now1 = time (NULL); |
66 | if (now1 == (time_t)-1) |
67 | { |
68 | perror ("time" ); |
69 | remove (file); |
70 | return 1; |
71 | } |
72 | |
73 | /* The clocks used to set the modification time and that used in the |
74 | time() call need not be the same. They need not have the same |
75 | precision. Therefore we delay the following operation by one |
76 | second which makes sure we can compare with second precision. */ |
77 | sleep (seconds: 1); |
78 | |
79 | if (utime (file, NULL)) |
80 | { |
81 | perror ("utime NULL" ); |
82 | remove (file); |
83 | return 1; |
84 | } |
85 | |
86 | sleep (seconds: 1); |
87 | |
88 | now2 = time (NULL); |
89 | if (now2 == (time_t)-1) |
90 | { |
91 | perror ("time" ); |
92 | remove (file); |
93 | return 1; |
94 | } |
95 | |
96 | if (stat (file: file, buf: &stnow)) |
97 | { |
98 | perror ("stat" ); |
99 | remove (file); |
100 | return 1; |
101 | } |
102 | |
103 | remove (file); |
104 | |
105 | if (st.st_mtime != ut.modtime) |
106 | { |
107 | printf (format: "modtime %jd != %jd\n" , |
108 | (intmax_t) st.st_mtime, (intmax_t) ut.modtime); |
109 | return 1; |
110 | } |
111 | |
112 | if (st.st_atime != ut.actime) |
113 | { |
114 | printf (format: "actime %jd != %jd\n" , |
115 | (intmax_t) st.st_atime, (intmax_t) ut.actime); |
116 | return 1; |
117 | } |
118 | |
119 | if (stnow.st_mtime < now1 || stnow.st_mtime > now2) |
120 | { |
121 | printf (format: "modtime %jd <%jd >%jd\n" , |
122 | (intmax_t) stnow.st_mtime, (intmax_t) now1, (intmax_t) now2); |
123 | return 1; |
124 | } |
125 | |
126 | if (stnow.st_atime < now1 || stnow.st_atime > now2) |
127 | { |
128 | printf (format: "actime %jd <%jd >%jd\n" , |
129 | (intmax_t) stnow.st_atime, (intmax_t) now1, (intmax_t) now2); |
130 | return 1; |
131 | } |
132 | |
133 | puts (s: "Test succeeded." ); |
134 | return 0; |
135 | } |
136 | |