X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=include%2Fendian.h;h=1bd444518ab5febecb6cec6e2e7693c29359d082;hp=bcf676623388bbdea789ae39c09f1c44c4e4b892;hb=1ab59de81e94e7802f85d314a709f8350a0e9b65;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01

diff --git a/include/endian.h b/include/endian.h
index bcf67662..1bd44451 100644
--- a/include/endian.h
+++ b/include/endian.h
@@ -1,17 +1,82 @@
 #ifndef _ENDIAN_H
 #define _ENDIAN_H
 
+#include <features.h>
+
 #define __LITTLE_ENDIAN 1234
 #define __BIG_ENDIAN 4321
 #define __PDP_ENDIAN 3412
 
+#if defined(__GNUC__) && defined(__BYTE_ORDER__)
+#define __BYTE_ORDER __BYTE_ORDER__
+#else
 #include <bits/endian.h>
+#endif
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+
 #define BIG_ENDIAN __BIG_ENDIAN
 #define LITTLE_ENDIAN __LITTLE_ENDIAN
 #define PDP_ENDIAN __PDP_ENDIAN
 #define BYTE_ORDER __BYTE_ORDER
+
+#include <stdint.h>
+
+static __inline uint16_t __bswap16(uint16_t __x)
+{
+	return __x<<8 | __x>>8;
+}
+
+static __inline uint32_t __bswap32(uint32_t __x)
+{
+	return __x>>24 | __x>>8&0xff00 | __x<<8&0xff0000 | __x<<24;
+}
+
+static __inline uint64_t __bswap64(uint64_t __x)
+{
+	return __bswap32(__x)+0ULL<<32 | __bswap32(__x>>32);
+}
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define htobe16(x) __bswap16(x)
+#define be16toh(x) __bswap16(x)
+#define betoh16(x) __bswap16(x)
+#define htobe32(x) __bswap32(x)
+#define be32toh(x) __bswap32(x)
+#define betoh32(x) __bswap32(x)
+#define htobe64(x) __bswap64(x)
+#define be64toh(x) __bswap64(x)
+#define betoh64(x) __bswap64(x)
+#define htole16(x) (uint16_t)(x)
+#define le16toh(x) (uint16_t)(x)
+#define letoh16(x) (uint16_t)(x)
+#define htole32(x) (uint32_t)(x)
+#define le32toh(x) (uint32_t)(x)
+#define letoh32(x) (uint32_t)(x)
+#define htole64(x) (uint64_t)(x)
+#define le64toh(x) (uint64_t)(x)
+#define letoh64(x) (uint64_t)(x)
+#else
+#define htobe16(x) (uint16_t)(x)
+#define be16toh(x) (uint16_t)(x)
+#define betoh16(x) (uint16_t)(x)
+#define htobe32(x) (uint32_t)(x)
+#define be32toh(x) (uint32_t)(x)
+#define betoh32(x) (uint32_t)(x)
+#define htobe64(x) (uint64_t)(x)
+#define be64toh(x) (uint64_t)(x)
+#define betoh64(x) (uint64_t)(x)
+#define htole16(x) __bswap16(x)
+#define le16toh(x) __bswap16(x)
+#define letoh16(x) __bswap16(x)
+#define htole32(x) __bswap32(x)
+#define le32toh(x) __bswap32(x)
+#define letoh32(x) __bswap32(x)
+#define htole64(x) __bswap64(x)
+#define le64toh(x) __bswap64(x)
+#define letoh64(x) __bswap64(x)
+#endif
+
 #endif
 
 #endif