| | 1 | //----------------------------------------------------------------------------- |
| | 2 | // Copyright (C) 2010 Hector Martin "marcan" <marcan@marcansoft.com> |
| | 3 | // |
| | 4 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, |
| | 5 | // at your option, any later version. See the LICENSE.txt file for the text of |
| | 6 | // the license. |
| | 7 | //----------------------------------------------------------------------------- |
| | 8 | // Endianness convenience functions |
| | 9 | //----------------------------------------------------------------------------- |
| | 10 | |
| | 11 | #ifndef PROXENDIAN_H__ |
| | 12 | #define PROXENDIAN_H__ |
| | 13 | |
| | 14 | #include <stdint.h> |
| | 15 | |
| | 16 | #ifdef _WIN32 |
| | 17 | # define HOST_LITTLE_ENDIAN |
| | 18 | #else |
| | 19 | # include <sys/types.h> |
| | 20 | # ifndef BYTE_ORDER |
| | 21 | # define BYTE_ORDER __BYTE_ORDER |
| | 22 | # define LITTLE_ENDIAN __LITTLE_ENDIAN |
| | 23 | # define BIG_ENDIAN __BIG_ENDIAN |
| | 24 | # endif |
| | 25 | # if !defined(BYTE_ORDER) || (BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != BIG_ENDIAN) |
| | 26 | # error Define BYTE_ORDER to be equal to either LITTLE_ENDIAN or BIG_ENDIAN |
| | 27 | # endif |
| | 28 | # if BYTE_ORDER == LITTLE_ENDIAN |
| | 29 | # define HOST_LITTLE_ENDIAN |
| | 30 | # endif |
| | 31 | #endif |
| | 32 | |
| | 33 | #ifdef HOST_LITTLE_ENDIAN |
| | 34 | # define le16(x) (x) |
| | 35 | # define le32(x) (x) |
| | 36 | #else |
| | 37 | |
| | 38 | static inline uint16_t le16(uint16_t v) |
| | 39 | { |
| | 40 | return (v>>8) | (v<<8); |
| | 41 | } |
| | 42 | |
| | 43 | static inline uint32_t le32(uint32_t v) |
| | 44 | { |
| | 45 | return (le16(v)<<16) | (le16(v>>16)); |
| | 46 | } |
| | 47 | #endif // HOST_LITTLE_ENDIAN |
| | 48 | |
| | 49 | #endif // PROXENDIAN_H__ |
projects / proxmark3-svn / blame_incremental