diff options
Diffstat (limited to 'src/backend/utils/mmgr/mcxt.c')
| -rw-r--r-- | src/backend/utils/mmgr/mcxt.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/backend/utils/mmgr/mcxt.c b/src/backend/utils/mmgr/mcxt.c index 6b77736a3bc..da666076627 100644 --- a/src/backend/utils/mmgr/mcxt.c +++ b/src/backend/utils/mmgr/mcxt.c @@ -14,7 +14,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/mcxt.c,v 1.32 2002/08/12 00:36:12 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/mmgr/mcxt.c,v 1.33 2002/10/11 04:12:14 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -453,6 +453,29 @@ MemoryContextAlloc(MemoryContext context, Size 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. */ |