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Add palloc0 function to inline MemSet for newNode call.

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This commit is contained in:
Bruce Momjian
2002-11-10 02:17:25 +00:00
parent 7aeab94adf
commit 78822b328c
4 changed files with 49 additions and 20 deletions
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25
src/backend/utils/mmgr/mcxt.c
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@@ -14,7 +14,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/mmgr/mcxt.c,v 1.34 2002/10/11 04:16:44 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/mmgr/mcxt.c,v 1.35 2002/11/10 02:17:25 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -452,6 +452,29 @@ MemoryContextAlloc(MemoryContext context, Size size)
return (*context->methods->alloc) (context, size);
}
/*
* MemoryContextAllocZero
* Like MemoryContextAlloc, but clears allocated memory
*
* We could just call MemoryContextAlloc then clear the memory, but this
* function is called too many times, so we have a separate version.
*/
void *
MemoryContextAllocZero(MemoryContext context, Size size)
{
void *ret;
AssertArg(MemoryContextIsValid(context));
if (!AllocSizeIsValid(size))
elog(ERROR, "MemoryContextAllocZero: invalid request size %lu",
(unsigned long) size);
ret = (*context->methods->alloc) (context, size);
MemSet(ret, 0, size);
return ret;
}
/*
* pfree
* Release an allocated chunk.