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VMS: compensate for gmtime_r() parameter pointer size

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With VMS C, the second parameter takes a 32-bit pointer.  When
building with 64-bit pointer size default, we must compensate.

Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2811)
This commit is contained in:
Richard Levitte 2017-03-01 10:33:20 +01:00
parent 15d95dd7ea
commit 48ce800aa5
1 changed files with 23 additions and 1 deletions
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24
crypto/o_time.c
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@ -15,7 +15,29 @@ struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result)
{
struct tm *ts = NULL;
#if defined(OPENSSL_THREADS) && !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_MACOSX)
#if defined(OPENSSL_THREADS) && defined(OPENSSL_SYS_VMS)
{
/*
* On VMS, gmtime_r() takes a 32-bit pointer as second argument.
* Since we can't know that |result| is in a space that can easily
* translate to a 32-bit pointer, we must store temporarly on stack
* and copy the result. The stack is always reachable with 32-bit
* pointers.
*/
#if defined(OPENSSL_SYS_VMS) && __INITIAL_POINTER_SIZE
# pragma pointer_size save
# pragma pointer_size 32
#endif
struct tm data, *ts2 = &data;
#if defined OPENSSL_SYS_VMS && __INITIAL_POINTER_SIZE
# pragma pointer_size restore
#endif
if (gmtime_r(timer, ts2) == NULL)
return NULL;
memcpy(result, ts2, sizeof(struct tm));
ts = result;
}
#elif defined(OPENSSL_THREADS) && !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_MACOSX)
if (gmtime_r(timer, result) == NULL)
return NULL;
ts = result;