#include <string.h>
#include <openssl/crypto.h>
-#ifdef OPENSSL_SYS_VMS
-# if __CRTL_VER >= 70000000 && \
- (defined _POSIX_C_SOURCE || !defined _ANSI_C_SOURCE)
-# define VMS_GMTIME_OK
-# endif
-# ifndef VMS_GMTIME_OK
-# include <libdtdef.h>
-# include <lib$routines.h>
-# include <lnmdef.h>
-# include <starlet.h>
-# include <descrip.h>
-# include <stdlib.h>
-# endif /* ndef VMS_GMTIME_OK */
-#endif
-
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_VMS) || defined(gmtime_r)) && !defined(OPENSSL_SYS_MACOSX)
- /*
- * should return &data, but doesn't on some systems, so we don't even
- * look at the return value
- */
- gmtime_r(timer, result);
+#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;
-#elif !defined(OPENSSL_SYS_VMS) || defined(VMS_GMTIME_OK)
+#else
ts = gmtime(timer);
if (ts == NULL)
return NULL;
memcpy(result, ts, sizeof(struct tm));
ts = result;
-#endif
-#if defined( OPENSSL_SYS_VMS) && !defined( VMS_GMTIME_OK)
- if (ts == NULL) {
- static $DESCRIPTOR(tabnam, "LNM$DCL_LOGICAL");
- static $DESCRIPTOR(lognam, "SYS$TIMEZONE_DIFFERENTIAL");
- char logvalue[256];
- unsigned int reslen = 0;
- struct {
- short buflen;
- short code;
- void *bufaddr;
- unsigned int *reslen;
- } itemlist[] = {
- {
- 0, LNM$_STRING, 0, 0
- },
- {
- 0, 0, 0, 0
- },
- };
- int status;
- time_t t;
-
- /* Get the value for SYS$TIMEZONE_DIFFERENTIAL */
- itemlist[0].buflen = sizeof(logvalue);
- itemlist[0].bufaddr = logvalue;
- itemlist[0].reslen = &reslen;
- status = sys$trnlnm(0, &tabnam, &lognam, 0, itemlist);
- if (!(status & 1))
- return NULL;
- logvalue[reslen] = '\0';
-
- t = *timer;
-
-/* The following is extracted from the DEC C header time.h */
- /*
- ** Beginning in OpenVMS Version 7.0 mktime, time, ctime, strftime
- ** have two implementations. One implementation is provided
- ** for compatibility and deals with time in terms of local time,
- ** the other __utc_* deals with time in terms of UTC.
- */
- /*
- * We use the same conditions as in said time.h to check if we should
- * assume that t contains local time (and should therefore be
- * adjusted) or UTC (and should therefore be left untouched).
- */
-# if __CRTL_VER < 70000000 || defined _VMS_V6_SOURCE
- /* Get the numerical value of the equivalence string */
- status = atoi(logvalue);
-
- /* and use it to move time to GMT */
- t -= status;
-# endif
-
- /* then convert the result to the time structure */
-
- /*
- * Since there was no gmtime_r() to do this stuff for us, we have to
- * do it the hard way.
- */
- {
- /*-
- * The VMS epoch is the astronomical Smithsonian date,
- if I remember correctly, which is November 17, 1858.
- Furthermore, time is measure in tenths of microseconds
- and stored in quadwords (64 bit integers). unix_epoch
- below is January 1st 1970 expressed as a VMS time. The
- following code was used to get this number:
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <lib$routines.h>
- #include <starlet.h>
-
- main()
- {
- unsigned long systime[2];
- unsigned short epoch_values[7] =
- { 1970, 1, 1, 0, 0, 0, 0 };
-
- lib$cvt_vectim(epoch_values, systime);
-
- printf("%u %u", systime[0], systime[1]);
- }
- */
- unsigned long unix_epoch[2] = { 1273708544, 8164711 };
- unsigned long deltatime[2];
- unsigned long systime[2];
- struct vms_vectime {
- short year, month, day, hour, minute, second, centi_second;
- } time_values;
- long operation;
-
- /*
- * Turn the number of seconds since January 1st 1970 to an
- * internal delta time. Note that lib$cvt_to_internal_time() will
- * assume that t is signed, and will therefore break on 32-bit
- * systems some time in 2038.
- */
- operation = LIB$K_DELTA_SECONDS;
- status = lib$cvt_to_internal_time(&operation, &t, deltatime);
-
- /*
- * Add the delta time with the Unix epoch and we have the current
- * UTC time in internal format
- */
- status = lib$add_times(unix_epoch, deltatime, systime);
-
- /* Turn the internal time into a time vector */
- status = sys$numtim(&time_values, systime);
-
- /* Fill in the struct tm with the result */
- result->tm_sec = time_values.second;
- result->tm_min = time_values.minute;
- result->tm_hour = time_values.hour;
- result->tm_mday = time_values.day;
- result->tm_mon = time_values.month - 1;
- result->tm_year = time_values.year - 1900;
-
- operation = LIB$K_DAY_OF_WEEK;
- status = lib$cvt_from_internal_time(&operation,
- &result->tm_wday, systime);
- result->tm_wday %= 7;
-
- operation = LIB$K_DAY_OF_YEAR;
- status = lib$cvt_from_internal_time(&operation,
- &result->tm_yday, systime);
- result->tm_yday--;
-
- result->tm_isdst = 0; /* There's no way to know... */
-
- ts = result;
- }
- }
#endif
return ts;
}
projects / openssl.git / blobdiff