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24 lines
867 B
C
24 lines
867 B
C
#pragma once
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#define U2(hi, lo) ((((hi) &0xFFu) << 8) | ((lo) &0xFFu))
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#define U4(hi3, hi2, lo1, lo0) \
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((((hi3) &0xFFu) << 24) | (((hi2) &0xFFu) << 16) | (((lo1) &0xFFu) << 8) | ((lo0) &0xFFu))
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static inline uint16_t U2BE(const uint8_t *buf, size_t off) {
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return (buf[off] << 8) | buf[off + 1];
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}
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static inline uint32_t U4BE(const uint8_t *buf, size_t off) {
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return (((uint32_t) buf[off]) << 24) | (buf[off + 1] << 16) | (buf[off + 2] << 8) |
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buf[off + 3];
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}
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static inline void U2BE_ENCODE(uint8_t *buf, size_t off, uint32_t value) {
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buf[off + 0] = (value >> 8) & 0xFF;
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buf[off + 1] = value & 0xFF;
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}
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static inline void U4BE_ENCODE(uint8_t *buf, size_t off, uint32_t value) {
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buf[off + 0] = (value >> 24) & 0xFF;
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buf[off + 1] = (value >> 16) & 0xFF;
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buf[off + 2] = (value >> 8) & 0xFF;
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buf[off + 3] = value & 0xFF;
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}
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