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portability

This commit is contained in:
Lev Walkin 2004-08-12 03:52:53 +00:00
parent e4c0c154a0
commit 02a3155737
1 changed files with 34 additions and 5 deletions
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39
skeletons/GeneralizedTime.c
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@ -10,11 +10,40 @@
#endif /* __NO_ASSERT_H__ */
#ifdef WIN32
#define localtime_r(tlocp, tmp) (*tmp = localtime(tlocp))
#warning PLEASE STOP AND READ!
#warning localtime_r is implemented via localtime(), which is not thread-safe. You must fix the code to insert appropriate locking if you want to use asn_GT2time() or asn_UT2time().
#warning localtime_r is implemented via localtime(), which is not thread-safe.
#warning gmtime_r is implemented via gmtime(), which is not thread-safe.
#warning
#warning You must fix the code by inserting appropriate locking
#warning if you want to use asn_GT2time() or asn_UT2time().
#warning PLEASE STOP AND READ!
#endif
static struct tm *localtime_r(time_t *tloc, struct tm *result) {
struct tm *tm;
if((tm = localtime(tloc)))
return memcpy(result, tm, sizeof(struct tm));
return 0;
}
static struct tm *gmtime_r(time_t *tloc, struct tm *result) {
struct tm *tm;
if((tm = gmtime(tloc)))
return memcpy(result, tm, sizeof(struct tm));
return 0;
}
/* vlm: I am not sure about validity of this algorithm. */
static time_t timegm(struct tm *tm) {
struct tm tmp;
time_t tloc = mktime(tm);
localtime_r(&tloc, &tmp); /* Figure out our GMT offset */
tloc += tmp.tm_gmtoff;
tm->tm_zone = "GMT";
tm->tm_gmtoff = 0; /* Simulate GMT */
return tloc;
}
#endif /* WIN32 */
#ifndef __NO_ASN_TABLE__
@ -337,9 +366,9 @@ local_finish:
/*** AT THIS POINT tm_s is either GMT or local (unknown) ****/
if(offset_specified)
if(offset_specified) {
tloc = timegm(&tm_s);
else {
} else {
/*
* Without an offset (or 'Z'),
* we can only guess that it is a local zone.