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Replace time_t with pg_time_t (same values, but always int64) in on-disk

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data structures and backend internal APIs.  This solves problems we've seen
recently with inconsistent layout of pg_control between machines that have
32-bit time_t and those that have already migrated to 64-bit time_t.  Also,
we can get out from under the problem that Windows' Unix-API emulation is not
consistent about the width of time_t.

There are a few remaining places where local time_t variables are used to hold
the current or recent result of time(NULL).  I didn't bother changing these
since they do not affect any cross-module APIs and surely all platforms will
have 64-bit time_t before overflow becomes an actual risk.  time_t should
be avoided for anything visible to extension modules, however.
This commit is contained in:
Tom Lane
2008-02-17 02:09:32 +00:00
parent ee7a6770f6
commit cd00406774
17 changed files with 98 additions and 91 deletions
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5
contrib/pgcrypto/internal.c
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $PostgreSQL: pgsql/contrib/pgcrypto/internal.c,v 1.27 2007/11/15 21:14:31 momjian Exp $
* $PostgreSQL: pgsql/contrib/pgcrypto/internal.c,v 1.28 2008/02/17 02:09:26 tgl Exp $
*/
#include "postgres.h"
@ -649,7 +649,8 @@ system_reseed(void)
skip = 1;
else if ((t - seed_time) > SYSTEM_RESEED_MAX)
skip = 0;
else if (!check_time || (t - check_time) > SYSTEM_RESEED_CHECK_TIME)
else if (check_time == 0 ||
(t - check_time) > SYSTEM_RESEED_CHECK_TIME)
{
check_time = t;