opaque parameter for custom memory allocation functions

2016-06-02 13:04:18 +02:00
parent e02bf99fa4
commit 2866951558
7 changed files with 76 additions and 69 deletions
@@ -97,9 +97,14 @@ typedef struct {
    ZSTD_frameParameters fParams;
 } ZSTD_parameters;

-typedef void* (*ZSTD_allocFunction) (size_t size);
-typedef void  (*ZSTD_freeFunction) (void* address);
-typedef struct { ZSTD_allocFunction customAlloc; ZSTD_freeFunction customFree; } ZSTD_customMem;
+/* custom memory allocation functions */
+typedef void* (*ZSTD_allocFunction) (void* opaque, size_t size);
+typedef void  (*ZSTD_freeFunction) (void* opaque, void* address);
+typedef struct { ZSTD_allocFunction customAlloc; ZSTD_freeFunction customFree; void* opaque; } ZSTD_customMem;
+
+void* ZSTD_defaultAllocFunction(void* opaque, size_t size);
+void ZSTD_defaultFreeFunction(void* opaque, void* address);
+static ZSTD_customMem const defaultCustomMem = { ZSTD_defaultAllocFunction, ZSTD_defaultFreeFunction, NULL };


 /*-*************************************