brotli/enc/memory.h
Eugene Kliuchnikov 801f5f37ee * rename macros with preceding underscore
* add Brotli*TakeOutput methods
* * flushing now doesn't require additional call
* add Brotli*Version methods
* moved public headers to 'public' directory
* removed C++ API
* do not assume STDC_VERSION is defined
2016-08-22 13:28:22 +02:00

63 lines
1.6 KiB
C

/* Copyright 2016 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
/* Macros for memory management. */
#ifndef BROTLI_ENC_MEMORY_H_
#define BROTLI_ENC_MEMORY_H_
#include "../public/types.h"
#include "./port.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#if !defined(BROTLI_ENCODER_CLEANUP_ON_OOM) && \
!defined(BROTLI_ENCODER_EXIT_ON_OOM)
#define BROTLI_ENCODER_EXIT_ON_OOM
#endif
typedef struct MemoryManager {
brotli_alloc_func alloc_func;
brotli_free_func free_func;
void* opaque;
#if !defined(BROTLI_ENCODER_EXIT_ON_OOM)
BROTLI_BOOL is_oom;
size_t perm_allocated;
size_t new_allocated;
size_t new_freed;
void* pointers[256];
#endif /* BROTLI_ENCODER_EXIT_ON_OOM */
} MemoryManager;
BROTLI_INTERNAL void BrotliInitMemoryManager(
MemoryManager* m, brotli_alloc_func alloc_func, brotli_free_func free_func,
void* opaque);
BROTLI_INTERNAL void* BrotliAllocate(MemoryManager* m, size_t n);
#define BROTLI_ALLOC(M, T, N) ((T*)BrotliAllocate((M), (N) * sizeof(T)))
BROTLI_INTERNAL void BrotliFree(MemoryManager* m, void* p);
#define BROTLI_FREE(M, P) { \
BrotliFree((M), (P)); \
P = NULL; \
}
#if defined(BROTLI_ENCODER_EXIT_ON_OOM)
#define BROTLI_IS_OOM(M) (!!0)
#else /* BROTLI_ENCODER_EXIT_ON_OOM */
#define BROTLI_IS_OOM(M) (!!(M)->is_oom)
#endif /* BROTLI_ENCODER_EXIT_ON_OOM */
BROTLI_INTERNAL void BrotliWipeOutMemoryManager(MemoryManager* m);
#if defined(__cplusplus) || defined(c_plusplus)
} /* extern "C" */
#endif
#endif /* BROTLI_ENC_MEMORY_H_ */