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103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
/**
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* Jingga
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*
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* @copyright Jingga
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* @license OMS License 2.0
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* @version 1.0.0
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* @link https://jingga.app
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*/
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#ifndef TOS_UTILS_ENDIAN_H
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#define TOS_UTILS_ENDIAN_H
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#include "../stdlib/Types.h"
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#define SWAP_ENDIAN_16(val) ((((val) << 8) | ((val) >> 8)))
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#define SWAP_ENDIAN_32(val) (((val) << 24) | (((val) & 0xFF00) << 8) | (((val) >> 8) & 0xFF00) | ((val) >> 24))
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#define SWAP_ENDIAN_64(val) (((val) << 56) | (((val) & 0x000000000000FF00ULL) << 40) | (((val) & 0x0000000000FF0000ULL) << 24) | (((val) & 0x00000000FF000000ULL) << 8) | (((val) & 0x000000FF00000000ULL) >> 8) | (((val) & 0x0000FF0000000000ULL) >> 24) | (((val) & 0x00FF000000000000ULL) >> 40) | ((val) >> 56))
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// Automatically perform endian swap if necessary
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// If we are on little endian (e.g. Win32) we swap big endian data but not little endian
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#if _WIN32 || __LITTLE_ENDIAN
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#define SWAP_ENDIAN_LITTLE(val) (val)
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#define SWAP_ENDIAN_BIG(val) endian_swap(val)
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#else
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#define SWAP_ENDIAN_LITTLE(val) endian_swap(val)
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#define SWAP_ENDIAN_BIG(val) (val)
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#endif
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inline
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bool is_little_endian()
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{
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uint32 num = 1;
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return ((int32) (*(char *) & num)) == 1;
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}
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inline
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uint16 endian_swap(uint16 val)
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{
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return ((val << 8) | (val >> 8));
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}
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inline
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int16 endian_swap(int16 val)
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{
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return (int16) ((val << 8) | (val >> 8));
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}
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inline
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uint32 endian_swap(uint32 val)
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{
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return ((val << 24)
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| ((val & 0xFF00) << 8)
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| ((val >> 8) & 0xFF00)
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| (val >> 24));
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}
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inline
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int32 endian_swap(int32 val)
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{
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return (int32) ((val << 24)
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| ((val & 0xFF00) << 8)
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| ((val >> 8) & 0xFF00)
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| (val >> 24));
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}
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inline
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uint64 endian_swap(uint64 val)
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{
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return ((val << 56)
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| ((val & 0x000000000000FF00ULL) << 40)
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| ((val & 0x0000000000FF0000ULL) << 24)
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| ((val & 0x00000000FF000000ULL) << 8)
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| ((val & 0x000000FF00000000ULL) >> 8)
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| ((val & 0x0000FF0000000000ULL) >> 24)
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| ((val & 0x00FF000000000000ULL) >> 40)
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| (val >> 56));
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}
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inline
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int64 endian_swap(int64 val)
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{
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return (int64) ((val << 56)
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| ((val & 0x000000000000FF00ULL) << 40)
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| ((val & 0x0000000000FF0000ULL) << 24)
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| ((val & 0x00000000FF000000ULL) << 8)
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| ((val & 0x000000FF00000000ULL) >> 8)
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| ((val & 0x0000FF0000000000ULL) >> 24)
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| ((val & 0x00FF000000000000ULL) >> 40)
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| (val >> 56));
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}
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inline
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f32 endian_swap(f32 val)
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{
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return (f32) endian_swap(val);
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}
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inline
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f64 endian_swap(f64 val)
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{
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return (f64) endian_swap(val);
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}
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#endif |