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Tweak palloc/repalloc to allow zero bytes to be requested, as per recent

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proposal.  Eliminate several dozen now-unnecessary hacks to avoid palloc(0).
(It's likely there are more that I didn't find.)
This commit is contained in:
Tom Lane
2004-06-05 19:48:09 +00:00
parent 24a1e20f14
commit c3a153afed
19 changed files with 113 additions and 113 deletions
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5
src/backend/storage/lmgr/lock.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lock.c,v 1.132 2004/05/28 05:13:05 tgl Exp $
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lock.c,v 1.133 2004/06/05 19:48:08 tgl Exp $
*
* NOTES
* Outside modules can create a lock table and acquire/release
@@ -1361,9 +1361,6 @@ GetLockStatusData(void)
data->nelements = i = proclockTable->hctl->nentries;
if (i == 0)
i = 1; /* avoid palloc(0) if empty table */
data->proclockaddrs = (SHMEM_OFFSET *) palloc(sizeof(SHMEM_OFFSET) * i);
data->proclocks = (PROCLOCK *) palloc(sizeof(PROCLOCK) * i);
data->procs = (PGPROC *) palloc(sizeof(PGPROC) * i);