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ZSTD_malloc() and ZSTD_free(), to simplify customMem

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This commit is contained in:
Yann Collet
2016-08-28 21:05:43 -07:00
parent 080940c628
commit 23b6e05d8e
4 changed files with 95 additions and 90 deletions
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lib/common/zstd_common.c
+15 -2
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@@ -75,17 +75,30 @@ const char* ZBUFF_getErrorName(size_t errorCode) { return ERR_getErrorName(error
/*=**************************************************************
* Custom allocator
****************************************************************/
/* default uses stdlib */
void* ZSTD_defaultAllocFunction(void* opaque, size_t size)
{
void* address = malloc(size);
(void)opaque;
/* printf("alloc %p, %d opaque=%p \n", address, (int)size, opaque); */
return address;
}
void ZSTD_defaultFreeFunction(void* opaque, void* address)
{
(void)opaque;
/* if (address) printf("free %p opaque=%p \n", address, opaque); */
free(address);
}
void* ZSTD_malloc(size_t size, ZSTD_customMem customMem)
{
return customMem.customAlloc(customMem.opaque, size);
}
void ZSTD_free(void* ptr, ZSTD_customMem customMem)
{
if (ptr!=NULL)
customMem.customFree(customMem.opaque, ptr);
}
lib/common/zstd_internal.h
+3
View File
@@ -220,6 +220,9 @@ int ZSTD_isSkipFrame(ZSTD_DCtx* dctx);
void* ZSTD_defaultAllocFunction(void* opaque, size_t size);
void ZSTD_defaultFreeFunction(void* opaque, void* address);
static const ZSTD_customMem defaultCustomMem = { ZSTD_defaultAllocFunction, ZSTD_defaultFreeFunction, NULL };
void* ZSTD_malloc(size_t size, ZSTD_customMem customMem);
void ZSTD_free(void* ptr, ZSTD_customMem customMem);
/*====== common function ======*/