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-rw-r--r--utils/bswap.h28
1 files changed, 12 insertions, 16 deletions
diff --git a/utils/bswap.h b/utils/bswap.h
index 7ca267bdd..6e7f7d336 100644
--- a/utils/bswap.h
+++ b/utils/bswap.h
@@ -32,23 +32,19 @@
#ifdef __linux__
#include <byteswap.h>
#else
-#include <string.h>
-static __inline__ uint32_t bswap_32(uint32_t x)
- {
- uint32_t res;
- swab((void*)&x, (void*)&res, sizeof(uint32_t));
-
- return res;
- }
-
-static __inline__ uint16_t bswap_16(uint16_t x)
- {
- uint16_t res;
-
- swab((void*)&x, (void*)&res, sizeof(uint16_t));
- return res;
- }
+static inline uint32_t bswap_32(uint32_t x)
+{
+ return ((((x) & 0xff00) >> 8) | \
+ (((x) & 0x00ff) << 8));
+}
+static inline uint16_t bswap_16(uint16_t x)
+{
+ return ((((x) & 0xff000000) >> 24) | \
+ (((x) & 0x00ff0000) >> 8) | \
+ (((x) & 0x0000ff00) << 8) | \
+ (((x) & 0x000000ff) << 24));
+}
#endif
#endif