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| author | Yann Collet <Cyan4973@users.noreply.github.com> | 2022-08-05 21:36:57 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-08-05 21:36:57 +0200 |
| commit | ca26930a91e5b1d47d725b1043e1f5282fd18aaf (patch) | |
| tree | ba818aeea6d8442544783c4b8fe1fde46fd6b737 | |
| parent | f7b1f6b7420822255b09acdd1b82848b12e1cda1 (diff) | |
| parent | 9173ca37d793a6cbb1e5a8657d8e6ebafc53230c (diff) | |
| download | lz4-ca26930a91e5b1d47d725b1043e1f5282fd18aaf.tar.gz | |
Merge pull request #1124 from t-mat/compile-time-purge-memalloc-func
Introduce LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION
| -rw-r--r-- | lib/lz4.c | 14 | ||||
| -rw-r--r-- | lib/lz4hc.c | 2 |
2 files changed, 15 insertions, 1 deletions
@@ -188,7 +188,11 @@ /*-************************************ * Memory routines **************************************/ -#ifdef LZ4_USER_MEMORY_FUNCTIONS +#if defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION) +# define ALLOC(s) lz4_error_memory_allocation_is_disabled +# define ALLOC_AND_ZERO(s) lz4_error_memory_allocation_is_disabled +# define FREEMEM(p) lz4_error_memory_allocation_is_disabled +#elif defined(LZ4_USER_MEMORY_FUNCTIONS) /* memory management functions can be customized by user project. * Below functions must exist somewhere in the Project * and be available at link time */ @@ -1453,6 +1457,7 @@ int LZ4_compress_destSize(const char* src, char* dst, int* srcSizePtr, int targe * Streaming functions ********************************/ +#if !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION) LZ4_stream_t* LZ4_createStream(void) { LZ4_stream_t* const lz4s = (LZ4_stream_t*)ALLOC(sizeof(LZ4_stream_t)); @@ -1462,6 +1467,7 @@ LZ4_stream_t* LZ4_createStream(void) LZ4_initStream(lz4s, sizeof(*lz4s)); return lz4s; } +#endif static size_t LZ4_stream_t_alignment(void) { @@ -1495,6 +1501,7 @@ void LZ4_resetStream_fast(LZ4_stream_t* ctx) { LZ4_prepareTable(&(ctx->internal_donotuse), 0, byU32); } +#if !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION) int LZ4_freeStream (LZ4_stream_t* LZ4_stream) { if (!LZ4_stream) return 0; /* support free on NULL */ @@ -1502,6 +1509,7 @@ int LZ4_freeStream (LZ4_stream_t* LZ4_stream) FREEMEM(LZ4_stream); return (0); } +#endif #define HASH_UNIT sizeof(reg_t) @@ -2425,6 +2433,7 @@ int LZ4_decompress_safe_doubleDict(const char* source, char* dest, int compresse /*===== streaming decompression functions =====*/ +#if !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION) LZ4_streamDecode_t* LZ4_createStreamDecode(void) { LZ4_STATIC_ASSERT(sizeof(LZ4_streamDecode_t) >= sizeof(LZ4_streamDecode_t_internal)); @@ -2437,6 +2446,7 @@ int LZ4_freeStreamDecode (LZ4_streamDecode_t* LZ4_stream) FREEMEM(LZ4_stream); return 0; } +#endif /*! LZ4_setStreamDecode() : * Use this function to instruct where to find the dictionary. @@ -2670,11 +2680,13 @@ int LZ4_resetStreamState(void* state, char* inputBuffer) return 0; } +#if !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION) void* LZ4_create (char* inputBuffer) { (void)inputBuffer; return LZ4_createStream(); } +#endif char* LZ4_slideInputBuffer (void* state) { diff --git a/lib/lz4hc.c b/lib/lz4hc.c index e854cb44..4771ef8f 100644 --- a/lib/lz4hc.c +++ b/lib/lz4hc.c @@ -988,6 +988,7 @@ int LZ4_compress_HC_destSize(void* state, const char* source, char* dest, int* s * Streaming Functions **************************************/ /* allocation */ +#if !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION) LZ4_streamHC_t* LZ4_createStreamHC(void) { LZ4_streamHC_t* const state = @@ -1004,6 +1005,7 @@ int LZ4_freeStreamHC (LZ4_streamHC_t* LZ4_streamHCPtr) FREEMEM(LZ4_streamHCPtr); return 0; } +#endif LZ4_streamHC_t* LZ4_initStreamHC (void* buffer, size_t size) |