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| author | Rob Landley | 2006-05-29 05:51:12 +0000 |
|---|---|---|
| committer | Rob Landley | 2006-05-29 05:51:12 +0000 |
| commit | bba7f08d2788bc9bc30a7a60fdfd873a73fead9a (patch) | |
| tree | d2f6adda7dc120be2aa64c7a984f12c8ecf608f2 /include | |
| parent | 97551974485a8680299560af8863023dfb9634af (diff) | |
| download | busybox-bba7f08d2788bc9bc30a7a60fdfd873a73fead9a.zip busybox-bba7f08d2788bc9bc30a7a60fdfd873a73fead9a.tar.gz | |
Add SWAP_LE?? and SWAP_BE?? macros, and make things use them. Converts values
to/from little endian or big endian, which is a NOP if that's what the current
platform already is.
Diffstat (limited to 'include')
| -rw-r--r-- | include/platform.h | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/include/platform.h b/include/platform.h index d684c2d..10c1d7d 100644 --- a/include/platform.h +++ b/include/platform.h @@ -48,11 +48,6 @@ # define __const const #endif -#ifndef __THROW -# define __THROW -#endif - - #ifndef ATTRIBUTE_UNUSED # define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) #endif /* ATTRIBUTE_UNUSED */ @@ -118,6 +113,22 @@ # define BB_LITTLE_ENDIAN 1 #endif +#if BB_BIG_ENDIAN +#define SWAP_BE16(x) x +#define SWAP_BE32(x) x +#define SWAP_BE64(x) x +#define SWAP_LE16(x) bswap_16(x) +#define SWAP_LE32(x) bswap_32(x) +#define SWAP_LE64(x) bswap_64(x) +#else +#define SWAP_BE16(x) bswap_16(x) +#define SWAP_BE32(x) bswap_32(x) +#define SWAP_BE64(x) bswap_64(x) +#define SWAP_LE16(x) x +#define SWAP_LE32(x) x +#define SWAP_LE64(x) x +#endif + /* ---- Networking ------------------------------------------ */ #ifndef __APPLE__ # include <arpa/inet.h> |