Mercurial > hg > toybox
view lib/portability.h @ 90:7c77c6ec17ee
Add "make defconfig". Modify global options to start with CONFIG_TOYBOX_.
author | Rob Landley <rob@landley.net> |
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date | Wed, 31 Jan 2007 14:37:01 -0500 |
parents | 69efffcacd70 |
children | 884c03c29f21 |
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// Humor glibc to get dprintf, then #define it to something more portable. #define _GNU_SOURCE #include <stdio.h> #define fdprintf(...) dprintf(__VA_ARGS__) #include <endian.h> #if __BYTE_ORDER == __BIG_ENDIAN #define IS_BIG_ENDIAN 1 #define IS_LITTLE_ENDIAN 0 #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 IS_LITTLE_ENDIAN 1 #define IS_BIG_ENDIAN 0 #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