github.com/afumu/libc@v0.0.6/musl/compat/time32/time32gm.c (about)

     1  #define _GNU_SOURCE
     2  #include "time32.h"
     3  #include <time.h>
     4  #include <errno.h>
     5  #include <stdint.h>
     6  
     7  time32_t __time32gm(struct tm *tm)
     8  {
     9  	time_t t = timegm(tm);
    10  	if (t < INT32_MIN || t > INT32_MAX) {
    11  		errno = EOVERFLOW;
    12  		return -1;
    13  	}
    14  	return t;
    15  }