From a67c21f093202f142438689d3f7cfbdf4ea82eea Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 28 Oct 2007 19:13:50 +0000
Subject: merge 'lennart' branch back into trunk.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
---
 src/pulsecore/endianmacros.h | 78 ++++++++++++++++++++++++++------------------
 1 file changed, 46 insertions(+), 32 deletions(-)

(limited to 'src/pulsecore/endianmacros.h')

diff --git a/src/pulsecore/endianmacros.h b/src/pulsecore/endianmacros.h
index c0c3a6d8..8f7cfade 100644
--- a/src/pulsecore/endianmacros.h
+++ b/src/pulsecore/endianmacros.h
@@ -27,54 +27,68 @@
 
 #include <inttypes.h>
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
+#ifndef PACKAGE
+#error "Please include config.h before including this file!"
 #endif
 
-#define INT16_SWAP(x) ( (int16_t) ( ((uint16_t) x >> 8) | ((uint16_t) x << 8) ) )
-#define UINT16_SWAP(x) ( (uint16_t) ( ((uint16_t) x >> 8) | ((uint16_t) x << 8) ) )
-#define INT32_SWAP(x) ( (int32_t) ( ((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 8) | ((((uint32_t) x) >> 8) & 0xFF00) ) )
-#define UINT32_SWAP(x) ( (uint32_t) ( ((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 8) | ((((uint32_t) x) >> 8) & 0xFF00) ) )
+#ifdef HAVE_BYTESWAP_H
+#include <byteswap.h>
+#endif
+
+#ifdef HAVE_BYTESWAP_H
+#define PA_INT16_SWAP(x) ((int16_t) bswap_16((uint16_t) x))
+#define PA_UINT16_SWAP(x) ((uint16_t) bswap_16((uint16_t) x))
+#define PA_INT32_SWAP(x) ((int32_t) bswap_32((uint32_t) x))
+#define PA_UINT32_SWAP(x) ((uint32_t) bswap_32((uint32_t) x))
+#else
+#define PA_INT16_SWAP(x) ( (int16_t) ( ((uint16_t) x >> 8) | ((uint16_t) x << 8) ) )
+#define PA_UINT16_SWAP(x) ( (uint16_t) ( ((uint16_t) x >> 8) | ((uint16_t) x << 8) ) )
+#define PA_INT32_SWAP(x) ( (int32_t) ( ((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 8) | ((((uint32_t) x) >> 8) & 0xFF00) ) )
+#define PA_UINT32_SWAP(x) ( (uint32_t) ( ((uint32_t) x >> 24) | ((uint32_t) x << 24) | (((uint32_t) x & 0xFF00) << 8) | ((((uint32_t) x) >> 8) & 0xFF00) ) )
+#endif
+
+#define PA_MAYBE_INT16_SWAP(c,x) ((c) ? PA_INT32_SWAP(x) : x)
+#define PA_MAYBE_UINT16_SWAP(c,x) ((c) ? PA_UINT32_SWAP(x) : x)
 
-#define MAYBE_INT32_SWAP(c,x) ((c) ? INT32_SWAP(x) : x)
-#define MAYBE_UINT32_SWAP(c,x) ((c) ? UINT32_SWAP(x) : x)
+#define PA_MAYBE_INT32_SWAP(c,x) ((c) ? PA_INT32_SWAP(x) : x)
+#define PA_MAYBE_UINT32_SWAP(c,x) ((c) ? PA_UINT32_SWAP(x) : x)
 
 #ifdef WORDS_BIGENDIAN
- #define INT16_FROM_LE(x) INT16_SWAP(x)
- #define INT16_FROM_BE(x) ((int16_t)(x))
+ #define PA_INT16_FROM_LE(x) PA_INT16_SWAP(x)
+ #define PA_INT16_FROM_BE(x) ((int16_t)(x))
 
- #define INT16_TO_LE(x) INT16_SWAP(x)
- #define INT16_TO_BE(x) ((int16_t)(x))
+ #define PA_INT16_TO_LE(x) PA_INT16_SWAP(x)
+ #define PA_INT16_TO_BE(x) ((int16_t)(x))
 
- #define UINT16_FROM_LE(x) UINT16_SWAP(x)
- #define UINT16_FROM_BE(x) ((uint16_t)(x))
+ #define PA_UINT16_FROM_LE(x) PA_UINT16_SWAP(x)
+ #define PA_UINT16_FROM_BE(x) ((uint16_t)(x))
 
- #define INT32_FROM_LE(x) INT32_SWAP(x)
- #define INT32_FROM_BE(x) ((int32_t)(x))
+ #define PA_INT32_FROM_LE(x) PA_INT32_SWAP(x)
+ #define PA_INT32_FROM_BE(x) ((int32_t)(x))
 
- #define UINT32_FROM_LE(x) UINT32_SWAP(x)
- #define UINT32_FROM_BE(x) ((uint32_t)(x))
+ #define PA_UINT32_FROM_LE(x) PA_UINT32_SWAP(x)
+ #define PA_UINT32_FROM_BE(x) ((uint32_t)(x))
 
- #define UINT32_TO_LE(x) UINT32_SWAP(x)
- #define UINT32_TO_BE(x) ((uint32_t)(x))
+ #define PA_UINT32_TO_LE(x) PA_UINT32_SWAP(x)
+ #define PA_UINT32_TO_BE(x) ((uint32_t)(x))
 #else
- #define INT16_FROM_LE(x) ((int16_t)(x))
- #define INT16_FROM_BE(x) INT16_SWAP(x)
+ #define PA_INT16_FROM_LE(x) ((int16_t)(x))
+ #define PA_INT16_FROM_BE(x) PA_INT16_SWAP(x)
 
- #define INT16_TO_LE(x) ((int16_t)(x))
- #define INT16_TO_BE(x) INT16_SWAP(x)
+ #define PA_INT16_TO_LE(x) ((int16_t)(x))
+ #define PA_INT16_TO_BE(x) PA_INT16_SWAP(x)
 
- #define UINT16_FROM_LE(x) ((uint16_t)(x))
- #define UINT16_FROM_BE(x) UINT16_SWAP(x)
+ #define PA_UINT16_FROM_LE(x) ((uint16_t)(x))
+ #define PA_UINT16_FROM_BE(x) PA_UINT16_SWAP(x)
 
- #define INT32_FROM_LE(x) ((int32_t)(x))
- #define INT32_FROM_BE(x) INT32_SWAP(x)
+ #define PA_INT32_FROM_LE(x) ((int32_t)(x))
+ #define PA_INT32_FROM_BE(x) PA_INT32_SWAP(x)
 
- #define UINT32_FROM_LE(x) ((uint32_t)(x))
- #define UINT32_FROM_BE(x) UINT32_SWAP(x)
+ #define PA_UINT32_FROM_LE(x) ((uint32_t)(x))
+ #define PA_UINT32_FROM_BE(x) PA_UINT32_SWAP(x)
 
- #define UINT32_TO_LE(x) ((uint32_t)(x))
- #define UINT32_TO_BE(x) UINT32_SWAP(x)
+ #define PA_UINT32_TO_LE(x) ((uint32_t)(x))
+ #define PA_UINT32_TO_BE(x) PA_UINT32_SWAP(x)
 #endif
 
 #endif
-- 
cgit