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author | Petr Mrázek <peterix@gmail.com> | 2013-08-17 13:40:51 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2013-08-17 13:40:51 +0200 |
commit | 253067c782955380bbf66ac0475dc954375b1ff4 (patch) | |
tree | ca97e231fd3a764256d95b5fc8d08fc25ff72161 /depends/classparser/src/javaendian.h | |
parent | 77e80665422c4e97e2286418ab55e20c4030023b (diff) | |
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Move all the things (YES. Move them.)
Also, implemented some basic modlist logic, to be wired up.
Diffstat (limited to 'depends/classparser/src/javaendian.h')
-rw-r--r-- | depends/classparser/src/javaendian.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/depends/classparser/src/javaendian.h b/depends/classparser/src/javaendian.h new file mode 100644 index 00000000..fa6207fe --- /dev/null +++ b/depends/classparser/src/javaendian.h @@ -0,0 +1,62 @@ +#pragma once +#include <stdint.h> + +/** + * Swap bytes between big endian and local number representation + */ +namespace util +{ +#ifdef MULTIMC_BIG_ENDIAN +inline uint64_t bigswap(uint64_t x) +{ + return x; +}; +inline uint32_t bigswap(uint32_t x) +{ + return x; +}; +inline uint16_t bigswap(uint16_t x) +{ + return x; +}; +inline int64_t bigswap(int64_t x) +{ + return x; +}; +inline int32_t bigswap(int32_t x) +{ + return x; +}; +inline int16_t bigswap(int16_t x) +{ + return x; +}; +#else +inline uint64_t bigswap(uint64_t x) +{ + return (x>>56) | ((x<<40) & 0x00FF000000000000) | ((x<<24) & 0x0000FF0000000000) | ((x<<8) & 0x000000FF00000000) | + ((x>>8) & 0x00000000FF000000) | ((x>>24) & 0x0000000000FF0000) | ((x>>40) & 0x000000000000FF00) | (x<<56); +}; +inline uint32_t bigswap(uint32_t x) +{ + return (x>>24) | ((x<<8) & 0x00FF0000) | ((x>>8) & 0x0000FF00) | (x<<24); +}; +inline uint16_t bigswap(uint16_t x) +{ + return (x>>8) | (x<<8); +}; +inline int64_t bigswap(int64_t x) +{ + return (x>>56) | ((x<<40) & 0x00FF000000000000) | ((x<<24) & 0x0000FF0000000000) | ((x<<8) & 0x000000FF00000000) | + ((x>>8) & 0x00000000FF000000) | ((x>>24) & 0x0000000000FF0000) | ((x>>40) & 0x000000000000FF00) | (x<<56); +}; +inline int32_t bigswap(int32_t x) +{ + return (x>>24) | ((x<<8) & 0x00FF0000) | ((x>>8) & 0x0000FF00) | (x<<24); +}; +inline int16_t bigswap(int16_t x) +{ + return (x>>8) | (x<<8); +}; +#endif +} |