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portability

This commit is contained in:
Lev Walkin 2004-08-11 07:35:08 +00:00
parent 64399727b7
commit 659a751cfb
1 changed files with 15 additions and 8 deletions
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23
skeletons/GeneralizedTime.c
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@ -2,6 +2,7 @@
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#define __USE_BSD /* To enable tm_gmtoff in glibc */
#include <GeneralizedTime.h>
#include <time.h>
#include <errno.h>
@ -135,19 +136,21 @@ GeneralizedTime_print(asn1_TYPE_descriptor_t *td, const void *sptr, int ilevel,
* Where to look for offset from GMT, Phase I.
* Several platforms are known.
*/
#if defined(__FreeBSD__) || (defined(__GNUC__) && defined(__APPLE_CC__))
#undef HAVE_TM_ZONE
#define HAVE_TM_ZONE
#endif /* BSDs */
#if defined(__FreeBSD__) \
|| (defined(__GNUC__) && defined(__APPLE_CC__)) \
|| (defined __GLIBC__ && __GLIBC__ >= 2)
#undef HAVE_TM_GMTOFF
#define HAVE_TM_GMTOFF
#endif /* BSDs and newer glibc */
/*
* Where to look for offset from GMT, Phase II.
*/
#ifdef HAVE_TM_ZONE
#ifdef HAVE_TM_GMTOFF
#define GMTOFF(tm) ((tm).tm_gmtoff)
#else /* HAVE_TM_ZONE */
#else /* HAVE_TM_GMTOFF */
#define GMTOFF(tm) (-timezone)
#endif /* HAVE_TM_ZONE */
#endif /* HAVE_TM_GMTOFF */
time_t
asn_GT2time(const GeneralizedTime_t *st, struct tm *ret_tm, int as_gmt) {
@ -396,8 +399,12 @@ asn_time2GT(GeneralizedTime_t *opt_gt, const struct tm *tm, int force_gmt) {
tm_s = *tm;
tm_s.tm_sec -= gmtoff;
timegm(&tm_s); /* Fix the time */
assert(!GMTOFF(tm_s));
tm = &tm_s;
#ifdef HAVE_TM_GMTOFF
assert(!GMTOFF(tm_s)); /* Will fix itself */
#else
gmtoff = 0; /* Intervention required */
#endif
}
size = snprintf(buf, buf_size, "%04d%02d%02d%02d%02d%02d",