| 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) |
| # | Content |
|---|---|
| 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 | } |