Index: include/share/endswap.h |
diff --git a/include/FLAC/ordinals.h b/include/share/endswap.h |
similarity index 58% |
copy from include/FLAC/ordinals.h |
copy to include/share/endswap.h |
index a7a5cd96135929ad078755f16d8f4d16a9d3f386..4fde4c15684f1bb6306426ba00a9b2a9bbd2097e 100644 |
--- a/include/FLAC/ordinals.h |
+++ b/include/share/endswap.h |
@@ -1,5 +1,5 @@ |
/* libFLAC - Free Lossless Audio Codec library |
- * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson |
+ * Copyright (C) 2012-2014 Xiph.org Foundation |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
@@ -29,52 +29,50 @@ |
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
-#ifndef FLAC__ORDINALS_H |
-#define FLAC__ORDINALS_H |
+/* It is assumed that this header will be included after "config.h". */ |
-#if !(defined(_MSC_VER) || defined(__BORLANDC__) || defined(__EMX__)) |
-#include <inttypes.h> |
+#if HAVE_BSWAP32 /* GCC and Clang */ |
+ |
+/* GCC prior to 4.8 didn't provide bswap16 on x86_64 */ |
+#if ! HAVE_BSWAP16 |
+static inline unsigned short __builtin_bswap16(unsigned short a) |
+{ |
+ return (a<<8)|(a>>8); |
+} |
#endif |
-typedef signed char FLAC__int8; |
-typedef unsigned char FLAC__uint8; |
- |
-#if defined(_MSC_VER) || defined(__BORLANDC__) |
-typedef __int16 FLAC__int16; |
-typedef __int32 FLAC__int32; |
-typedef __int64 FLAC__int64; |
-typedef unsigned __int16 FLAC__uint16; |
-typedef unsigned __int32 FLAC__uint32; |
-typedef unsigned __int64 FLAC__uint64; |
-#elif defined(__EMX__) |
-typedef short FLAC__int16; |
-typedef long FLAC__int32; |
-typedef long long FLAC__int64; |
-typedef unsigned short FLAC__uint16; |
-typedef unsigned long FLAC__uint32; |
-typedef unsigned long long FLAC__uint64; |
+#define ENDSWAP_16(x) (__builtin_bswap16 (x)) |
+#define ENDSWAP_32(x) (__builtin_bswap32 (x)) |
+ |
+#elif defined _MSC_VER /* Windows. Apparently in <stdlib.h>. */ |
+ |
+#define ENDSWAP_16(x) (_byteswap_ushort (x)) |
+#define ENDSWAP_32(x) (_byteswap_ulong (x)) |
+ |
+#elif defined HAVE_BYTESWAP_H /* Linux */ |
+ |
+#include <byteswap.h> |
+ |
+#define ENDSWAP_16(x) (bswap_16 (x)) |
+#define ENDSWAP_32(x) (bswap_32 (x)) |
+ |
#else |
-typedef int16_t FLAC__int16; |
-typedef int32_t FLAC__int32; |
-typedef int64_t FLAC__int64; |
-typedef uint16_t FLAC__uint16; |
-typedef uint32_t FLAC__uint32; |
-typedef uint64_t FLAC__uint64; |
+ |
+#define ENDSWAP_16(x) ((((x) >> 8) & 0xFF) | (((x) & 0xFF) << 8)) |
+#define ENDSWAP_32(x) ((((x) >> 24) & 0xFF) | (((x) >> 8) & 0xFF00) | (((x) & 0xFF00) << 8) | (((x) & 0xFF) << 24)) |
+ |
#endif |
-typedef int FLAC__bool; |
-typedef FLAC__uint8 FLAC__byte; |
+/* Host to little-endian byte swapping. */ |
+#if CPU_IS_BIG_ENDIAN |
-#ifdef true |
-#undef true |
-#endif |
-#ifdef false |
-#undef false |
-#endif |
-#ifndef __cplusplus |
-#define true 1 |
-#define false 0 |
-#endif |
+#define H2LE_16(x) ENDSWAP_16 (x) |
+#define H2LE_32(x) ENDSWAP_32 (x) |
+ |
+#else |
+ |
+#define H2LE_16(x) (x) |
+#define H2LE_32(x) (x) |
#endif |