From 8309b3fbb57e5633361cdce210a81081d628ccef Mon Sep 17 00:00:00 2001 From: "beard%netscape.com" Date: Fri, 27 Aug 1999 04:08:09 +0000 Subject: [PATCH] First Checked In. --- lib/mac/MacMemoryAllocator/src/nsGCMalloc.c | 79 +++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 lib/mac/MacMemoryAllocator/src/nsGCMalloc.c diff --git a/lib/mac/MacMemoryAllocator/src/nsGCMalloc.c b/lib/mac/MacMemoryAllocator/src/nsGCMalloc.c new file mode 100644 index 000000000000..e79e746860d6 --- /dev/null +++ b/lib/mac/MacMemoryAllocator/src/nsGCMalloc.c @@ -0,0 +1,79 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * + * The contents of this file are subject to the Netscape Public License + * Version 1.0 (the "NPL"); you may not use this file except in + * compliance with the NPL. You may obtain a copy of the NPL at + * http://www.mozilla.org/NPL/ + * + * Software distributed under the NPL is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL + * for the specific language governing rights and limitations under the + * NPL. + * + * The Initial Developer of this code under the NPL is Netscape + * Communications Corporation. Portions created by Netscape are + * Copyright (C) 1998 Netscape Communications Corporation. All Rights + * Reserved. */ + +#include +#include + +#define GC_DEBUG +#include "gc.h" + +// GC implementation of malloc/free, for testing purposes + +//-------------------------------------------------------------------- +void *malloc(size_t blockSize) +//-------------------------------------------------------------------- +{ + return GC_MALLOC(blockSize); +} + + +//-------------------------------------------------------------------- +void free(void *deadBlock) +//-------------------------------------------------------------------- +{ + if (deadBlock != NULL) + GC_FREE(deadBlock); +} + + +//-------------------------------------------------------------------- +void* realloc(void* block, size_t newSize) +//-------------------------------------------------------------------- +{ +#ifdef GC_DEBUG + return GC_REALLOC(block, newSize); +#else + size_t oldSize = GC_size(block); + void * newBlock = block; + + if (newSize <= 10000) + return(GC_REALLOC(block, newSize)); + + if (newSize <= oldSize) + return(block); + + newBlock = GC_malloc_ignore_off_page(newSize); + if (newBlock == NULL) + return NULL; + + memcpy(newBlock, block, oldSize); + GC_FREE(block); + + return(newBlock); +#endif +} + +//-------------------------------------------------------------------- +void *calloc(size_t nele, size_t elesize) +//-------------------------------------------------------------------- +{ + size_t space = nele * elesize; + void *newBlock = malloc(space); + if (newBlock) + memset(newBlock, 0, space); + return newBlock; +}