AuroraMiddleware/lz4
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Fixed : alignment warning

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This commit is contained in:
Yann Collet 2016-06-29 17:02:09 +02:00
parent bc342ab94c
commit 410ec81543
2 changed files with 13 additions and 3 deletions
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13
lib/lz4.c
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@ -171,6 +171,7 @@ static U32 LZ4_read32(const void* memPtr) { return *(const U32*) memPtr; }
static size_t LZ4_read_ARCH(const void* memPtr) { return *(const size_t*) memPtr; }
static void LZ4_write16(void* memPtr, U16 value) { *(U16*)memPtr = value; }
static void LZ4_write32(void* memPtr, U32 value) { *(U32*)memPtr = value; }
#elif defined(LZ4_FORCE_MEMORY_ACCESS) && (LZ4_FORCE_MEMORY_ACCESS==1)
@ -183,6 +184,7 @@ static U32 LZ4_read32(const void* ptr) { return ((const unalign*)ptr)->u32; }
static size_t LZ4_read_ARCH(const void* ptr) { return ((const unalign*)ptr)->uArch; }
static void LZ4_write16(void* memPtr, U16 value) { ((unalign*)memPtr)->u16 = value; }
static void LZ4_write32(void* memPtr, U32 value) { ((unalign*)memPtr)->u32 = value; }
#else
@ -206,6 +208,11 @@ static void LZ4_write16(void* memPtr, U16 value)
memcpy(memPtr, &value, sizeof(value));
}
static void LZ4_write32(void* memPtr, U32 value)
{
memcpy(memPtr, &value, sizeof(value));
}
#endif /* LZ4_FORCE_MEMORY_ACCESS */
@ -605,8 +612,8 @@ _next_match:
if (matchCode >= ML_MASK) {
*token += ML_MASK;
matchCode -= ML_MASK;
*(U32*)op = 0xFFFFFFFF;
while (matchCode >= 4*255) op+=4, *(U32*)op=0xFFFFFFFF, matchCode -= 4*255;
LZ4_write32(op, 0xFFFFFFFF);
while (matchCode >= 4*255) op+=4, LZ4_write32(op, 0xFFFFFFFF), matchCode -= 4*255;
op += matchCode / 255;
*op++ = (BYTE)(matchCode % 255);
} else
@ -1199,8 +1206,8 @@ FORCE_INLINE int LZ4_decompress_generic(
if (length == ML_MASK) {
unsigned s;
do {
if ((endOnInput) && (ip > iend-LASTLITERALS)) goto _output_error;
s = *ip++;
if ((endOnInput) && (ip > iend-LASTLITERALS)) goto _output_error;
length += s;
} while (s==255);
if ((safeDecode) && unlikely((size_t)(op+length)<(size_t)op)) goto _output_error; /* overflow detection */

3
programs/.gitignore vendored
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@ -1,7 +1,10 @@
# local binary (Makefile)
lz4
lz4c
lz4c32
datagen
frametest
fullbench
fuzzer
*.exe