static void smi_free(void *ptr) {
#if (SMI_VERSION_MAJOR >= 0) && (SMI_VERSION_MINOR >= 4) && (SMI_VERSION_PATCHLEVEL >= 8)
smiFree(ptr);
#else
#ifdef _WIN32
#error Invalid Windows libsmi version ?? !!
#endif
#define xx_free free /* hack so checkAPIs.pl doesn't complain */
xx_free(ptr);
#endif
}
time_t timegm(struct tm *tm)
{
char *tz;
static char *s = NULL;
char *tofree = NULL;
time_t t;
/* ensure to call mktime() for UTC */
tz = getenv("TZ");
if (tz) {
tofree = s;
smiAsprintf(&s, "TZ=%s", tz);
}
putenv("TZ=NULL");
t = mktime(tm);
if (tz) {
putenv(s);
} else {
putenv("TZ=");
}
if (tofree) smiFree(tofree);
return t;
}