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959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
8211d1b5 DD |
2 | /* |
3 | * Copyright (c) 2016 Deepa Dinamani | |
4 | * All Rights Reserved. | |
8211d1b5 DD |
5 | */ |
6 | ||
7 | #include "command.h" | |
8 | #include "input.h" | |
9 | #include "init.h" | |
10 | #include "io.h" | |
11 | ||
12 | static cmdinfo_t utimes_cmd; | |
13 | ||
14 | static void | |
15 | utimes_help(void) | |
16 | { | |
17 | printf(_( | |
18 | "\n" | |
19 | " Update file atime and mtime of the current file with nansecond precision.\n" | |
20 | "\n" | |
21 | " Usage: utimes atime_sec atime_nsec mtime_sec mtime_nsec.\n" | |
22 | " *_sec: Seconds elapsed since 1970-01-01 00:00:00 UTC.\n" | |
23 | " *_nsec: Nanoseconds since the corresponding *_sec.\n" | |
24 | "\n")); | |
25 | } | |
26 | ||
27 | static int | |
28 | utimes_f( | |
29 | int argc, | |
30 | char **argv) | |
31 | { | |
32 | struct timespec t[2]; | |
33 | int result; | |
34 | ||
35 | /* Get the timestamps */ | |
36 | result = timespec_from_string(argv[1], argv[2], &t[0]); | |
37 | if (result) { | |
38 | fprintf(stderr, "Bad value for atime\n"); | |
9e1595e6 | 39 | exitcode = 1; |
8211d1b5 DD |
40 | return 0; |
41 | } | |
42 | result = timespec_from_string(argv[3], argv[4], &t[1]); | |
43 | if (result) { | |
44 | fprintf(stderr, "Bad value for mtime\n"); | |
9e1595e6 | 45 | exitcode = 1; |
8211d1b5 DD |
46 | return 0; |
47 | } | |
48 | ||
49 | /* Call futimens to update time. */ | |
50 | if (futimens(file->fd, t)) { | |
51 | perror("futimens"); | |
9e1595e6 | 52 | exitcode = 1; |
8211d1b5 DD |
53 | return 0; |
54 | } | |
55 | ||
56 | return 0; | |
57 | } | |
58 | ||
59 | void | |
60 | utimes_init(void) | |
61 | { | |
62 | utimes_cmd.name = "utimes"; | |
63 | utimes_cmd.cfunc = utimes_f; | |
64 | utimes_cmd.argmin = 4; | |
65 | utimes_cmd.argmax = 4; | |
66 | utimes_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK; | |
67 | utimes_cmd.args = _("atime_sec atime_nsec mtime_sec mtime_nsec"); | |
68 | utimes_cmd.oneline = _("Update file times of the current file"); | |
69 | utimes_cmd.help = utimes_help; | |
70 | ||
71 | add_command(&utimes_cmd); | |
72 | } |