diff options
Diffstat (limited to 'src/time64_limits.h')
| -rw-r--r-- | src/time64_limits.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/time64_limits.h b/src/time64_limits.h new file mode 100644 index 0000000..91079af --- /dev/null +++ b/src/time64_limits.h @@ -0,0 +1,95 @@ +/* + Maximum and minimum inputs your system's respective time functions + can correctly handle. time64.h will use your system functions if + the input falls inside these ranges and corresponding USE_SYSTEM_* + constant is defined. +*/ + +#ifndef TIME64_LIMITS_H +#define TIME64_LIMITS_H + +/* Max/min for localtime() */ +#define SYSTEM_LOCALTIME_MAX 2147483647 +#define SYSTEM_LOCALTIME_MIN -2147483647-1 + +/* Max/min for gmtime() */ +#define SYSTEM_GMTIME_MAX 2147483647 +#define SYSTEM_GMTIME_MIN -2147483647-1 + +/* Max/min for mktime() */ +static const struct tm SYSTEM_MKTIME_MAX = { + 7, + 14, + 19, + 18, + 0, + 138, + 1, + 17, + 0 +#ifdef HAVE_TM_TM_GMTOFF + ,-28800 +#endif +#ifdef HAVE_TM_TM_ZONE + ,(char*)"PST" +#endif +}; + +static const struct tm SYSTEM_MKTIME_MIN = { + 52, + 45, + 12, + 13, + 11, + 1, + 5, + 346, + 0 +#ifdef HAVE_TM_TM_GMTOFF + ,-28800 +#endif +#ifdef HAVE_TM_TM_ZONE + ,(char*)"PST" +#endif +}; + +/* Max/min for timegm() */ +#ifdef HAVE_TIMEGM +static const struct tm SYSTEM_TIMEGM_MAX = { + 7, + 14, + 3, + 19, + 0, + 138, + 2, + 18, + 0 + #ifdef HAVE_TM_TM_GMTOFF + ,0 + #endif + #ifdef HAVE_TM_TM_ZONE + ,(char*)"UTC" + #endif +}; + +static const struct tm SYSTEM_TIMEGM_MIN = { + 52, + 45, + 20, + 13, + 11, + 1, + 5, + 346, + 0 + #ifdef HAVE_TM_TM_GMTOFF + ,0 + #endif + #ifdef HAVE_TM_TM_ZONE + ,(char*)"UTC" + #endif +}; +#endif /* HAVE_TIMEGM */ + +#endif /* TIME64_LIMITS_H */ |