time64_limits.h

/* This header file is to be considered private to time64.c, so do not include it from your code.

   Maximum and minimum inputs your system's respective time functions
   can correctly handle.  time64 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 HAS_TM_TM_GMTOFF
    ,-28800
#endif
#ifdef HAS_TM_TM_ZONE
    ,"PST"
#endif
};

static const struct tm SYSTEM_MKTIME_MIN = {
    52,
    45,
    12,
    13,
    11,
    1,
    5,
    346,
    0
#ifdef HAS_TM_TM_GMTOFF
    ,-28800
#endif
#ifdef HAS_TM_TM_ZONE
    ,"PST"
#endif
};

/* Max/min for timegm() */
#ifdef HAS_TIMEGM
static const struct tm SYSTEM_TIMEGM_MAX = {
    7,
    14,
    3,
    19,
    0,
    138,
    2,
    18,
    0
    #ifdef HAS_TM_TM_GMTOFF
        ,0
    #endif
    #ifdef HAS_TM_TM_ZONE
        ,"UTC"
    #endif
};

static const struct tm SYSTEM_TIMEGM_MIN = {
    52,
    45,
    20,
    13,
    11,
    1,
    5,
    346,
    0
    #ifdef HAS_TM_TM_GMTOFF
        ,0
    #endif
    #ifdef HAS_TM_TM_ZONE
        ,"UTC"
    #endif
};
#endif /* HAS_TIMEGM */

#endif /* TIME64_LIMITS_H */