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| author | martin-s <martin-s@ffa7fe5e-494d-0410-b361-a75ebd5db220> | 2008-05-18 10:01:53 +0000 |
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| committer | martin-s <martin-s@ffa7fe5e-494d-0410-b361-a75ebd5db220> | 2008-05-18 10:01:53 +0000 |
| commit | 0b74d7f4ee6d448ac811e2741e8cb1ed04f5ce76 (patch) | |
| tree | be7bb1cb1020f4022e41c004e2fa9d561ea3580d /navit/endianess.h | |
| parent | f46eb419c46011d6d103b7f06cb2c842a2cbe6c9 (diff) | |
| download | navit-0b74d7f4ee6d448ac811e2741e8cb1ed04f5ce76.tar.gz | |
Fix:Core:Renamed src to navit for cleanup of includes
git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@1059 ffa7fe5e-494d-0410-b361-a75ebd5db220
Diffstat (limited to 'navit/endianess.h')
| -rw-r--r-- | navit/endianess.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/navit/endianess.h b/navit/endianess.h new file mode 100644 index 000000000..5cd58b8d1 --- /dev/null +++ b/navit/endianess.h @@ -0,0 +1,34 @@ +#ifndef __ENDIANESS_HANDLER__ + +#include <endian.h> + +/* Get machine dependent optimized versions of byte swapping functions. */ +#include <byteswap.h> + +#ifdef __OPTIMIZE__ +/* We can optimize calls to the conversion functions. Either nothing has + to be done or we are using directly the byte-swapping functions which + often can be inlined. */ + + #if __BYTE_ORDER == __BIG_ENDIAN + #define le16_to_cpu(x) __bswap_16 (x) + #define le32_to_cpu(x) __bswap_32 (x) + #define le64_to_cpu(x) __bswap_64 (x) + #define cpu_to_le16(x) __bswap_16 (x) + #define cpu_to_le32(x) __bswap_32 (x) + #define cpu_to_le64(x) __bswap_64 (x) + #else + #if __BYTE_ORDER == __LITTLE_ENDIAN + #define le16_to_cpu(x) (x) + #define le32_to_cpu(x) (x) + #define cpu_to_le16(x) (x) + #define cpu_to_le16(x) (x) + #else + #error "Unknown endianess" + #endif + #endif +#endif + +#define __ENDIANESS_HANDLER__ +#endif + |