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__CYGWIN__ portability

This commit is contained in:
Lev Walkin 2004-09-17 06:46:10 +00:00
parent 8dd0eedc2d
commit 93e9fe334e
2 changed files with 58 additions and 41 deletions
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2
ChangeLog
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@ -1,5 +1,5 @@
0.9.5: 2004-Sep-14 0.9.5: 2004-Sep-17
* Fixed CER (common BER) decoder code. See check-25.c/VisibleString * Fixed CER (common BER) decoder code. See check-25.c/VisibleString
case for details. X.690 specifies that inner structures in BER case for details. X.690 specifies that inner structures in BER

97
skeletons/GeneralizedTime.c
View File

@ -11,8 +11,8 @@
#if defined(WIN32) #if defined(WIN32)
#warning PLEASE STOP AND READ! #warning PLEASE STOP AND READ!
#warning localtime_r is implemented via localtime(), which is not thread-safe. #warning localtime_r is implemented via localtime(), which may be not thread-safe.
#warning gmtime_r is implemented via gmtime(), which is not thread-safe. #warning gmtime_r is implemented via gmtime(), which may be not thread-safe.
#warning #warning
#warning You must fix the code by inserting appropriate locking #warning You must fix the code by inserting appropriate locking
#warning if you want to use asn_GT2time() or asn_UT2time(). #warning if you want to use asn_GT2time() or asn_UT2time().
@ -32,39 +32,76 @@ static struct tm *gmtime_r(const time_t *tloc, struct tm *result) {
return 0; return 0;
} }
#define tzset() _tzset()
#define _EMULATE_TIMEGM
#endif /* WIN32 */
/*
* Where to look for offset from GMT, Phase I.
* Several platforms are known.
*/
#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_GMTOFF
#define GMTOFF(tm) ((tm).tm_gmtoff)
#else /* HAVE_TM_GMTOFF */
#define GMTOFF(tm) (-timezone)
#endif /* HAVE_TM_GMTOFF */
/*
* Override our GMTOFF decision for other known platforms.
*/
#ifdef __CYGWIN__
#undef GMTOFF
static long GMTOFF(struct tm a){
struct tm *lt;
time_t local_time, gmt_time;
long zone;
tzset();
gmt_time = time (NULL);
lt = gmtime(&gmt_time);
local_time = mktime(lt);
return (gmt_time - local_time);
}
#define _EMULATE_TIMEGM
#endif /* __CYGWIN__ */
#ifdef _EMULATE_TIMEGM
static time_t timegm(struct tm *tm) { static time_t timegm(struct tm *tm) {
time_t tloc; time_t tloc;
char *tz; char *tz;
char *buf; char *buf;
tz = getenv("TZ"); tz = getenv("TZ");
_putenv("TZ=UTC"); _putenv("TZ=UTC");
_tzset(); tzset();
tloc = mktime(tm); tloc = mktime(tm);
if (tz) { if (tz) {
buf = alloca(strlen(tz) + 4); int bufsize = strlen(tz) + 4;
sprintf(buf, "TZ=%s", tz); buf = alloca(bufsize);
snprintf(buf, bufsize, "TZ=%s", tz);
} else { } else {
buf = "TZ="; buf = "TZ=";
} }
_putenv(buf); _putenv(buf);
_tzset(); tzset();
return tloc; return tloc;
} }
#endif /* _EMULATE_TIMEGM */
#if 0 /* Alternate version */
/* 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
#endif /* WIN32 */
#ifndef __NO_ASN_TABLE__ #ifndef __NO_ASN_TABLE__
@ -185,26 +222,6 @@ 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__)) \
|| (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_GMTOFF
#define GMTOFF(tm) ((tm).tm_gmtoff)
#else /* HAVE_TM_GMTOFF */
#define GMTOFF(tm) (-timezone)
#endif /* HAVE_TM_GMTOFF */
time_t time_t
asn_GT2time(const GeneralizedTime_t *st, struct tm *ret_tm, int as_gmt) { asn_GT2time(const GeneralizedTime_t *st, struct tm *ret_tm, int as_gmt) {
struct tm tm_s; struct tm tm_s;