Mercurial > hg > nginx
annotate src/os/unix/ngx_time.c @ 6791:cb4a4e9bba8e
Perl: fixed optimization in SSI command handler.
As the pointer to the first argument was tested instead of the argument
itself, array of arguments was always created, even if there were no
arguments. Fix is to test args[0] instead of args.
Found by Coverity (CID 1356862).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 01 Nov 2016 20:39:21 +0300 |
parents | d620f497c50f |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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11 |
2220 | 12 /* |
13 * FreeBSD does not test /etc/localtime change, however, we can workaround it | |
14 * by calling tzset() with TZ and then without TZ to update timezone. | |
15 * The trick should work since FreeBSD 2.1.0. | |
16 * | |
17 * Linux does not test /etc/localtime change in localtime(), | |
18 * but may stat("/etc/localtime") several times in every strftime(), | |
19 * therefore we use it to update timezone. | |
20 * | |
21 * Solaris does not test /etc/TIMEZONE change too and no workaround available. | |
22 */ | |
23 | |
24 void | |
25 ngx_timezone_update(void) | |
26 { | |
27 #if (NGX_FREEBSD) | |
28 | |
29 if (getenv("TZ")) { | |
30 return; | |
31 } | |
32 | |
33 putenv("TZ=UTC"); | |
34 | |
35 tzset(); | |
36 | |
37 unsetenv("TZ"); | |
38 | |
39 tzset(); | |
40 | |
41 #elif (NGX_LINUX) | |
42 time_t s; | |
43 struct tm *t; | |
44 char buf[4]; | |
45 | |
46 s = time(0); | |
47 | |
48 t = localtime(&s); | |
49 | |
50 strftime(buf, 4, "%H", t); | |
51 | |
52 #endif | |
53 } | |
54 | |
55 | |
563 | 56 void |
57 ngx_localtime(time_t s, ngx_tm_t *tm) | |
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58 { |
469 | 59 #if (NGX_HAVE_LOCALTIME_R) |
563 | 60 (void) localtime_r(&s, tm); |
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62 #else |
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63 ngx_tm_t *t; |
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563 | 65 t = localtime(&s); |
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66 *tm = *t; |
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68 #endif |
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70 tm->ngx_tm_mon++; |
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71 tm->ngx_tm_year += 1900; |
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72 } |
509 | 73 |
74 | |
563 | 75 void |
76 ngx_libc_localtime(time_t s, struct tm *tm) | |
509 | 77 { |
78 #if (NGX_HAVE_LOCALTIME_R) | |
563 | 79 (void) localtime_r(&s, tm); |
509 | 80 |
81 #else | |
82 struct tm *t; | |
83 | |
563 | 84 t = localtime(&s); |
509 | 85 *tm = *t; |
86 | |
87 #endif | |
88 } | |
89 | |
90 | |
563 | 91 void |
92 ngx_libc_gmtime(time_t s, struct tm *tm) | |
509 | 93 { |
94 #if (NGX_HAVE_LOCALTIME_R) | |
563 | 95 (void) gmtime_r(&s, tm); |
509 | 96 |
97 #else | |
98 struct tm *t; | |
99 | |
563 | 100 t = gmtime(&s); |
509 | 101 *tm = *t; |
102 | |
103 #endif | |
104 } |