| Revision: | 2.1 |
| Committed: | Thu May 27 19:32:12 2010 UTC (14 years, 11 months ago) by greg |
| Content type: | text/plain |
| Branch: | MAIN |
| Log Message: | Changes for MINGW compilation using SCons (thanks to C. Kohler) |
| # | User | Rev | Content |
|---|---|---|---|
| 1 | greg | 2.1 | /* |
| 2 | * timegm.c | ||
| 3 | * | ||
| 4 | * Replacement for missing GNU library function. | ||
| 5 | * | ||
| 6 | */ | ||
| 7 | |||
| 8 | |||
| 9 | #include <time.h> | ||
| 10 | #include <stdlib.h> | ||
| 11 | |||
| 12 | #ifdef _WIN32 | ||
| 13 | char * | ||
| 14 | setGMT() | ||
| 15 | { | ||
| 16 | static time_t prevTZ; | ||
| 17 | prevTZ = _timezone; | ||
| 18 | _timezone = 0; | ||
| 19 | return (char *)&prevTZ; | ||
| 20 | } | ||
| 21 | void | ||
| 22 | resetTZ(char *cp) | ||
| 23 | { | ||
| 24 | _timezone = *(time_t *)cp; | ||
| 25 | } | ||
| 26 | #else | ||
| 27 | char * | ||
| 28 | setGMT() | ||
| 29 | { | ||
| 30 | char *tz = getenv("TZ"); | ||
| 31 | setenv("TZ", "", 1); | ||
| 32 | tzset(); | ||
| 33 | return tz; | ||
| 34 | } | ||
| 35 | void | ||
| 36 | resetTZ(char *tz) | ||
| 37 | { | ||
| 38 | if (tz) | ||
| 39 | setenv("TZ", tz, 1); | ||
| 40 | else | ||
| 41 | unsetenv("TZ"); | ||
| 42 | tzset(); | ||
| 43 | } | ||
| 44 | #endif | ||
| 45 | |||
| 46 | /* Convert GMT to UTC seconds from the epoch */ | ||
| 47 | time_t | ||
| 48 | timegm(struct tm *tm) | ||
| 49 | { | ||
| 50 | time_t ret; | ||
| 51 | char *tz; | ||
| 52 | |||
| 53 | tz = setGMT(); | ||
| 54 | ret = mktime(tm); | ||
| 55 | resetTZ(tz); | ||
| 56 | return(ret); | ||
| 57 | } |