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authorAnton Samokhvalov <pg83@yandex.ru>2022-02-10 16:45:15 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:15 +0300
commit72cb13b4aff9bc9cf22e49251bc8fd143f82538f (patch)
treeda2c34829458c7d4e74bdfbdf85dff449e9e7fb8 /contrib/libs/zstd06/common/mem.h
parent778e51ba091dc39e7b7fcab2b9cf4dbedfb6f2b5 (diff)
downloadydb-72cb13b4aff9bc9cf22e49251bc8fd143f82538f.tar.gz
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/zstd06/common/mem.h')
-rw-r--r--contrib/libs/zstd06/common/mem.h522
1 files changed, 261 insertions, 261 deletions
diff --git a/contrib/libs/zstd06/common/mem.h b/contrib/libs/zstd06/common/mem.h
index 85d78c84c1..1b84bfdb3d 100644
--- a/contrib/libs/zstd06/common/mem.h
+++ b/contrib/libs/zstd06/common/mem.h
@@ -1,201 +1,201 @@
#include <contrib/libs/zstd06/renames.h>
-/* ******************************************************************
- mem.h
- low-level memory access routines
- Copyright (C) 2013-2015, Yann Collet.
-
- BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are
- met:
-
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following disclaimer
- in the documentation and/or other materials provided with the
- distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- You can contact the author at :
- - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
- - Public forum : https://groups.google.com/forum/#!forum/lz4c
-****************************************************************** */
-#ifndef MEM_H_MODULE
-#define MEM_H_MODULE
-
-#if defined (__cplusplus)
-extern "C" {
-#endif
-
-/*-****************************************
-* Dependencies
-******************************************/
+/* ******************************************************************
+ mem.h
+ low-level memory access routines
+ Copyright (C) 2013-2015, Yann Collet.
+
+ BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following disclaimer
+ in the documentation and/or other materials provided with the
+ distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ You can contact the author at :
+ - FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
+ - Public forum : https://groups.google.com/forum/#!forum/lz4c
+****************************************************************** */
+#ifndef MEM_H_MODULE
+#define MEM_H_MODULE
+
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+/*-****************************************
+* Dependencies
+******************************************/
#include <stddef.h> /* size_t, ptrdiff_t */
#include <string.h> /* memcpy */
-
-
-/*-****************************************
-* Compiler specifics
-******************************************/
+
+
+/*-****************************************
+* Compiler specifics
+******************************************/
#if defined(_MSC_VER) /* Visual Studio */
# include <stdlib.h> /* _byteswap_ulong */
# include <intrin.h> /* _byteswap_* */
#endif
-#if defined(__GNUC__)
-# define MEM_STATIC static __attribute__((unused))
-#elif defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
-# define MEM_STATIC static inline
-#elif defined(_MSC_VER)
-# define MEM_STATIC static __inline
-#else
-# define MEM_STATIC static /* this version may generate warnings for unused static functions; disable the relevant warning */
-#endif
-
+#if defined(__GNUC__)
+# define MEM_STATIC static __attribute__((unused))
+#elif defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
+# define MEM_STATIC static inline
+#elif defined(_MSC_VER)
+# define MEM_STATIC static __inline
+#else
+# define MEM_STATIC static /* this version may generate warnings for unused static functions; disable the relevant warning */
+#endif
+
/* code only tested on 32 and 64 bits systems */
#define MEM_STATIC_ASSERT(c) { enum { XXH_static_assert = 1/(int)(!!(c)) }; }
MEM_STATIC void MEM_check(void) { MEM_STATIC_ASSERT((sizeof(size_t)==4) || (sizeof(size_t)==8)); }
+
-
-/*-**************************************************************
-* Basic Types
-*****************************************************************/
+/*-**************************************************************
+* Basic Types
+*****************************************************************/
#if !defined (__VMS) && (defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
-# include <stdint.h>
- typedef uint8_t BYTE;
- typedef uint16_t U16;
- typedef int16_t S16;
- typedef uint32_t U32;
- typedef int32_t S32;
- typedef uint64_t U64;
- typedef int64_t S64;
-#else
- typedef unsigned char BYTE;
- typedef unsigned short U16;
- typedef signed short S16;
- typedef unsigned int U32;
- typedef signed int S32;
- typedef unsigned long long U64;
- typedef signed long long S64;
-#endif
-
-
-/*-**************************************************************
-* Memory I/O
-*****************************************************************/
-/* MEM_FORCE_MEMORY_ACCESS :
- * By default, access to unaligned memory is controlled by `memcpy()`, which is safe and portable.
- * Unfortunately, on some target/compiler combinations, the generated assembly is sub-optimal.
- * The below switch allow to select different access method for improved performance.
- * Method 0 (default) : use `memcpy()`. Safe and portable.
- * Method 1 : `__packed` statement. It depends on compiler extension (ie, not portable).
- * This method is safe if your compiler supports it, and *generally* as fast or faster than `memcpy`.
- * Method 2 : direct access. This method is portable but violate C standard.
- * It can generate buggy code on targets depending on alignment.
- * In some circumstances, it's the only known way to get the most performance (ie GCC + ARMv6)
- * See http://fastcompression.blogspot.fr/2015/08/accessing-unaligned-memory.html for details.
- * Prefer these methods in priority order (0 > 1 > 2)
- */
-#ifndef MEM_FORCE_MEMORY_ACCESS /* can be defined externally, on command line for example */
-# if defined(__GNUC__) && ( defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) )
-# define MEM_FORCE_MEMORY_ACCESS 2
-# elif defined(__INTEL_COMPILER) || \
- (defined(__GNUC__) && ( defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) ))
-# define MEM_FORCE_MEMORY_ACCESS 1
-# endif
-#endif
-
+# include <stdint.h>
+ typedef uint8_t BYTE;
+ typedef uint16_t U16;
+ typedef int16_t S16;
+ typedef uint32_t U32;
+ typedef int32_t S32;
+ typedef uint64_t U64;
+ typedef int64_t S64;
+#else
+ typedef unsigned char BYTE;
+ typedef unsigned short U16;
+ typedef signed short S16;
+ typedef unsigned int U32;
+ typedef signed int S32;
+ typedef unsigned long long U64;
+ typedef signed long long S64;
+#endif
+
+
+/*-**************************************************************
+* Memory I/O
+*****************************************************************/
+/* MEM_FORCE_MEMORY_ACCESS :
+ * By default, access to unaligned memory is controlled by `memcpy()`, which is safe and portable.
+ * Unfortunately, on some target/compiler combinations, the generated assembly is sub-optimal.
+ * The below switch allow to select different access method for improved performance.
+ * Method 0 (default) : use `memcpy()`. Safe and portable.
+ * Method 1 : `__packed` statement. It depends on compiler extension (ie, not portable).
+ * This method is safe if your compiler supports it, and *generally* as fast or faster than `memcpy`.
+ * Method 2 : direct access. This method is portable but violate C standard.
+ * It can generate buggy code on targets depending on alignment.
+ * In some circumstances, it's the only known way to get the most performance (ie GCC + ARMv6)
+ * See http://fastcompression.blogspot.fr/2015/08/accessing-unaligned-memory.html for details.
+ * Prefer these methods in priority order (0 > 1 > 2)
+ */
+#ifndef MEM_FORCE_MEMORY_ACCESS /* can be defined externally, on command line for example */
+# if defined(__GNUC__) && ( defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) )
+# define MEM_FORCE_MEMORY_ACCESS 2
+# elif defined(__INTEL_COMPILER) || \
+ (defined(__GNUC__) && ( defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) ))
+# define MEM_FORCE_MEMORY_ACCESS 1
+# endif
+#endif
+
MEM_STATIC unsigned MEM_32bits(void) { return sizeof(size_t)==4; }
MEM_STATIC unsigned MEM_64bits(void) { return sizeof(size_t)==8; }
-
-MEM_STATIC unsigned MEM_isLittleEndian(void)
-{
- const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */
- return one.c[0];
-}
-
-#if defined(MEM_FORCE_MEMORY_ACCESS) && (MEM_FORCE_MEMORY_ACCESS==2)
-
-/* violates C standard, by lying on structure alignment.
-Only use if no other choice to achieve best performance on target platform */
-MEM_STATIC U16 MEM_read16(const void* memPtr) { return *(const U16*) memPtr; }
-MEM_STATIC U32 MEM_read32(const void* memPtr) { return *(const U32*) memPtr; }
-MEM_STATIC U64 MEM_read64(const void* memPtr) { return *(const U64*) memPtr; }
-MEM_STATIC U64 MEM_readST(const void* memPtr) { return *(const size_t*) memPtr; }
-
-MEM_STATIC void MEM_write16(void* memPtr, U16 value) { *(U16*)memPtr = value; }
-MEM_STATIC void MEM_write32(void* memPtr, U32 value) { *(U32*)memPtr = value; }
-MEM_STATIC void MEM_write64(void* memPtr, U64 value) { *(U64*)memPtr = value; }
-
-#elif defined(MEM_FORCE_MEMORY_ACCESS) && (MEM_FORCE_MEMORY_ACCESS==1)
-
-/* __pack instructions are safer, but compiler specific, hence potentially problematic for some compilers */
-/* currently only defined for gcc and icc */
-typedef union { U16 u16; U32 u32; U64 u64; size_t st; } __attribute__((packed)) unalign;
-
-MEM_STATIC U16 MEM_read16(const void* ptr) { return ((const unalign*)ptr)->u16; }
-MEM_STATIC U32 MEM_read32(const void* ptr) { return ((const unalign*)ptr)->u32; }
-MEM_STATIC U64 MEM_read64(const void* ptr) { return ((const unalign*)ptr)->u64; }
-MEM_STATIC U64 MEM_readST(const void* ptr) { return ((const unalign*)ptr)->st; }
-
-MEM_STATIC void MEM_write16(void* memPtr, U16 value) { ((unalign*)memPtr)->u16 = value; }
-MEM_STATIC void MEM_write32(void* memPtr, U32 value) { ((unalign*)memPtr)->u32 = value; }
-MEM_STATIC void MEM_write64(void* memPtr, U64 value) { ((unalign*)memPtr)->u64 = value; }
-
-#else
-
-/* default method, safe and standard.
- can sometimes prove slower */
-
-MEM_STATIC U16 MEM_read16(const void* memPtr)
-{
- U16 val; memcpy(&val, memPtr, sizeof(val)); return val;
-}
-
-MEM_STATIC U32 MEM_read32(const void* memPtr)
-{
- U32 val; memcpy(&val, memPtr, sizeof(val)); return val;
-}
-
-MEM_STATIC U64 MEM_read64(const void* memPtr)
-{
- U64 val; memcpy(&val, memPtr, sizeof(val)); return val;
-}
-
-MEM_STATIC size_t MEM_readST(const void* memPtr)
-{
- size_t val; memcpy(&val, memPtr, sizeof(val)); return val;
-}
-
-MEM_STATIC void MEM_write16(void* memPtr, U16 value)
-{
- memcpy(memPtr, &value, sizeof(value));
-}
-
-MEM_STATIC void MEM_write32(void* memPtr, U32 value)
-{
- memcpy(memPtr, &value, sizeof(value));
-}
-
-MEM_STATIC void MEM_write64(void* memPtr, U64 value)
-{
- memcpy(memPtr, &value, sizeof(value));
-}
-
-#endif /* MEM_FORCE_MEMORY_ACCESS */
-
+
+MEM_STATIC unsigned MEM_isLittleEndian(void)
+{
+ const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */
+ return one.c[0];
+}
+
+#if defined(MEM_FORCE_MEMORY_ACCESS) && (MEM_FORCE_MEMORY_ACCESS==2)
+
+/* violates C standard, by lying on structure alignment.
+Only use if no other choice to achieve best performance on target platform */
+MEM_STATIC U16 MEM_read16(const void* memPtr) { return *(const U16*) memPtr; }
+MEM_STATIC U32 MEM_read32(const void* memPtr) { return *(const U32*) memPtr; }
+MEM_STATIC U64 MEM_read64(const void* memPtr) { return *(const U64*) memPtr; }
+MEM_STATIC U64 MEM_readST(const void* memPtr) { return *(const size_t*) memPtr; }
+
+MEM_STATIC void MEM_write16(void* memPtr, U16 value) { *(U16*)memPtr = value; }
+MEM_STATIC void MEM_write32(void* memPtr, U32 value) { *(U32*)memPtr = value; }
+MEM_STATIC void MEM_write64(void* memPtr, U64 value) { *(U64*)memPtr = value; }
+
+#elif defined(MEM_FORCE_MEMORY_ACCESS) && (MEM_FORCE_MEMORY_ACCESS==1)
+
+/* __pack instructions are safer, but compiler specific, hence potentially problematic for some compilers */
+/* currently only defined for gcc and icc */
+typedef union { U16 u16; U32 u32; U64 u64; size_t st; } __attribute__((packed)) unalign;
+
+MEM_STATIC U16 MEM_read16(const void* ptr) { return ((const unalign*)ptr)->u16; }
+MEM_STATIC U32 MEM_read32(const void* ptr) { return ((const unalign*)ptr)->u32; }
+MEM_STATIC U64 MEM_read64(const void* ptr) { return ((const unalign*)ptr)->u64; }
+MEM_STATIC U64 MEM_readST(const void* ptr) { return ((const unalign*)ptr)->st; }
+
+MEM_STATIC void MEM_write16(void* memPtr, U16 value) { ((unalign*)memPtr)->u16 = value; }
+MEM_STATIC void MEM_write32(void* memPtr, U32 value) { ((unalign*)memPtr)->u32 = value; }
+MEM_STATIC void MEM_write64(void* memPtr, U64 value) { ((unalign*)memPtr)->u64 = value; }
+
+#else
+
+/* default method, safe and standard.
+ can sometimes prove slower */
+
+MEM_STATIC U16 MEM_read16(const void* memPtr)
+{
+ U16 val; memcpy(&val, memPtr, sizeof(val)); return val;
+}
+
+MEM_STATIC U32 MEM_read32(const void* memPtr)
+{
+ U32 val; memcpy(&val, memPtr, sizeof(val)); return val;
+}
+
+MEM_STATIC U64 MEM_read64(const void* memPtr)
+{
+ U64 val; memcpy(&val, memPtr, sizeof(val)); return val;
+}
+
+MEM_STATIC size_t MEM_readST(const void* memPtr)
+{
+ size_t val; memcpy(&val, memPtr, sizeof(val)); return val;
+}
+
+MEM_STATIC void MEM_write16(void* memPtr, U16 value)
+{
+ memcpy(memPtr, &value, sizeof(value));
+}
+
+MEM_STATIC void MEM_write32(void* memPtr, U32 value)
+{
+ memcpy(memPtr, &value, sizeof(value));
+}
+
+MEM_STATIC void MEM_write64(void* memPtr, U64 value)
+{
+ memcpy(memPtr, &value, sizeof(value));
+}
+
+#endif /* MEM_FORCE_MEMORY_ACCESS */
+
MEM_STATIC U32 MEM_swap32(U32 in)
{
#if defined(_MSC_VER) /* Visual Studio */
@@ -238,27 +238,27 @@ MEM_STATIC size_t MEM_swapST(size_t in)
/*=== Little endian r/w ===*/
-MEM_STATIC U16 MEM_readLE16(const void* memPtr)
-{
- if (MEM_isLittleEndian())
- return MEM_read16(memPtr);
- else {
- const BYTE* p = (const BYTE*)memPtr;
- return (U16)(p[0] + (p[1]<<8));
- }
-}
-
-MEM_STATIC void MEM_writeLE16(void* memPtr, U16 val)
-{
- if (MEM_isLittleEndian()) {
- MEM_write16(memPtr, val);
- } else {
- BYTE* p = (BYTE*)memPtr;
- p[0] = (BYTE)val;
- p[1] = (BYTE)(val>>8);
- }
-}
-
+MEM_STATIC U16 MEM_readLE16(const void* memPtr)
+{
+ if (MEM_isLittleEndian())
+ return MEM_read16(memPtr);
+ else {
+ const BYTE* p = (const BYTE*)memPtr;
+ return (U16)(p[0] + (p[1]<<8));
+ }
+}
+
+MEM_STATIC void MEM_writeLE16(void* memPtr, U16 val)
+{
+ if (MEM_isLittleEndian()) {
+ MEM_write16(memPtr, val);
+ } else {
+ BYTE* p = (BYTE*)memPtr;
+ p[0] = (BYTE)val;
+ p[1] = (BYTE)(val>>8);
+ }
+}
+
MEM_STATIC U32 MEM_readLE24(const void* memPtr)
{
return MEM_readLE16(memPtr) + (((const BYTE*)memPtr)[2] << 16);
@@ -270,54 +270,54 @@ MEM_STATIC void MEM_writeLE24(void* memPtr, U32 val)
((BYTE*)memPtr)[2] = (BYTE)(val>>16);
}
-MEM_STATIC U32 MEM_readLE32(const void* memPtr)
-{
- if (MEM_isLittleEndian())
- return MEM_read32(memPtr);
+MEM_STATIC U32 MEM_readLE32(const void* memPtr)
+{
+ if (MEM_isLittleEndian())
+ return MEM_read32(memPtr);
else
return MEM_swap32(MEM_read32(memPtr));
-}
-
-MEM_STATIC void MEM_writeLE32(void* memPtr, U32 val32)
-{
+}
+
+MEM_STATIC void MEM_writeLE32(void* memPtr, U32 val32)
+{
if (MEM_isLittleEndian())
- MEM_write32(memPtr, val32);
+ MEM_write32(memPtr, val32);
else
MEM_write32(memPtr, MEM_swap32(val32));
-}
-
-MEM_STATIC U64 MEM_readLE64(const void* memPtr)
-{
- if (MEM_isLittleEndian())
- return MEM_read64(memPtr);
+}
+
+MEM_STATIC U64 MEM_readLE64(const void* memPtr)
+{
+ if (MEM_isLittleEndian())
+ return MEM_read64(memPtr);
else
return MEM_swap64(MEM_read64(memPtr));
-}
-
-MEM_STATIC void MEM_writeLE64(void* memPtr, U64 val64)
-{
+}
+
+MEM_STATIC void MEM_writeLE64(void* memPtr, U64 val64)
+{
if (MEM_isLittleEndian())
- MEM_write64(memPtr, val64);
+ MEM_write64(memPtr, val64);
else
MEM_write64(memPtr, MEM_swap64(val64));
-}
-
-MEM_STATIC size_t MEM_readLEST(const void* memPtr)
-{
- if (MEM_32bits())
- return (size_t)MEM_readLE32(memPtr);
- else
- return (size_t)MEM_readLE64(memPtr);
-}
-
-MEM_STATIC void MEM_writeLEST(void* memPtr, size_t val)
-{
- if (MEM_32bits())
- MEM_writeLE32(memPtr, (U32)val);
- else
- MEM_writeLE64(memPtr, (U64)val);
-}
-
+}
+
+MEM_STATIC size_t MEM_readLEST(const void* memPtr)
+{
+ if (MEM_32bits())
+ return (size_t)MEM_readLE32(memPtr);
+ else
+ return (size_t)MEM_readLE64(memPtr);
+}
+
+MEM_STATIC void MEM_writeLEST(void* memPtr, size_t val)
+{
+ if (MEM_32bits())
+ MEM_writeLE32(memPtr, (U32)val);
+ else
+ MEM_writeLE64(memPtr, (U64)val);
+}
+
/*=== Big endian r/w ===*/
MEM_STATIC U32 MEM_readBE32(const void* memPtr)
@@ -370,21 +370,21 @@ MEM_STATIC void MEM_writeBEST(void* memPtr, size_t val)
/* function safe only for comparisons */
-MEM_STATIC U32 MEM_readMINMATCH(const void* memPtr, U32 length)
-{
- switch (length)
- {
- default :
- case 4 : return MEM_read32(memPtr);
- case 3 : if (MEM_isLittleEndian())
- return MEM_read32(memPtr)<<8;
- else
- return MEM_read32(memPtr)>>8;
- }
-}
-
-#if defined (__cplusplus)
-}
-#endif
-
-#endif /* MEM_H_MODULE */
+MEM_STATIC U32 MEM_readMINMATCH(const void* memPtr, U32 length)
+{
+ switch (length)
+ {
+ default :
+ case 4 : return MEM_read32(memPtr);
+ case 3 : if (MEM_isLittleEndian())
+ return MEM_read32(memPtr)<<8;
+ else
+ return MEM_read32(memPtr)>>8;
+ }
+}
+
+#if defined (__cplusplus)
+}
+#endif
+
+#endif /* MEM_H_MODULE */