105 lines
2.1 KiB
C++
105 lines
2.1 KiB
C++
#include <Endian/Endian.h>
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namespace LittleEndian {
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uint16_t Read16(const void *vp)
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{
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const uint8_t *p = (const uint8_t *)vp;
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return p[0] | (p[1] << 8);
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}
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uint32_t Read24(const void *vp)
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{
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const uint8_t *p = (const uint8_t *)vp;
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return (p[0]) | (p[1] << 8) | (p[2] << 16);
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}
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uint32_t Read32(const void *vp)
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{
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const uint8_t *p = (const uint8_t *)vp;
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return (p[0]) | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
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}
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void Write16(void *vp, uint16_t x)
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{
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uint8_t *p = (uint8_t *)vp;
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p[0] = (x) & 0xff;
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p[1] = (x >> 8) & 0xff;
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}
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void Write24(void *vp, uint32_t x)
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{
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uint8_t *p = (uint8_t *)vp;
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p[0] = (x) & 0xff;
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p[1] = (x >> 8) & 0xff;
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p[2] = (x >> 16) & 0xff;
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}
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void Write32(void *vp, uint32_t x)
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{
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uint8_t *p = (uint8_t *)vp;
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p[0] = (x) & 0xff;
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p[1] = (x >> 8) & 0xff;
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p[2] = (x >> 16) & 0xff;
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p[3] = (x >> 24) & 0xff;
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}
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}
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namespace BigEndian {
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uint16_t Read16(const void *vp)
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{
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const uint8_t *p = (const uint8_t *)vp;
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return (p[0] << 8) | (p[1]);
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}
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uint32_t Read24(const void *vp)
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{
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const uint8_t *p = (const uint8_t *)vp;
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return (p[0] << 16) | (p[1] << 8) | (p[2]);
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}
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uint32_t Read32(const void *vp)
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{
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const uint8_t *p = (const uint8_t *)vp;
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return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3]);
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}
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void Write16(void *vp, uint16_t x)
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{
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uint8_t *p = (uint8_t *)vp;
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p[0] = (x >> 8) & 0xff;
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p[1] = (x) & 0xff;
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}
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void Write24(void *vp, uint32_t x)
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{
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uint8_t *p = (uint8_t *)vp;
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p[0] = (x >> 16) & 0xff;
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p[1] = (x >> 8) & 0xff;
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p[2] = (x) & 0xff;
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}
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void Write32(void *vp, uint32_t x)
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{
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uint8_t *p = (uint8_t *)vp;
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p[0] = (x >> 24) & 0xff;
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p[1] = (x >> 16) & 0xff;
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p[2] = (x >> 8) & 0xff;
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p[3] = (x) & 0xff;
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}
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} |