mikael-lovqvists-claude-agent
b56dfae672
put_u8/16/32/64 and get_u8/16/32/64 (plus signed variants) for packing and unpacking values at explicit byte offsets in a buffer. Each value is encoded byte-by-byte with explicit shift operations — no struct casting, no alignment assumptions, correct on any host endianness. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
#pragma once
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#include <stdint.h>
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/*
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* Binary serialization primitives.
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*
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* All values are encoded little-endian. Fields are placed and read
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* explicitly by position — never by casting a struct to bytes.
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*/
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/* -- put: write a value into a buffer at a given byte offset -- */
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void put_u8 (uint8_t *buf, uint32_t offset, uint8_t value);
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void put_u16(uint8_t *buf, uint32_t offset, uint16_t value);
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void put_u32(uint8_t *buf, uint32_t offset, uint32_t value);
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void put_u64(uint8_t *buf, uint32_t offset, uint64_t value);
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void put_i8 (uint8_t *buf, uint32_t offset, int8_t value);
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void put_i16(uint8_t *buf, uint32_t offset, int16_t value);
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void put_i32(uint8_t *buf, uint32_t offset, int32_t value);
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void put_i64(uint8_t *buf, uint32_t offset, int64_t value);
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/* -- get: read a value from a buffer at a given byte offset -- */
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uint8_t get_u8 (const uint8_t *buf, uint32_t offset);
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uint16_t get_u16(const uint8_t *buf, uint32_t offset);
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uint32_t get_u32(const uint8_t *buf, uint32_t offset);
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uint64_t get_u64(const uint8_t *buf, uint32_t offset);
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int8_t get_i8 (const uint8_t *buf, uint32_t offset);
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int16_t get_i16(const uint8_t *buf, uint32_t offset);
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int32_t get_i32(const uint8_t *buf, uint32_t offset);
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int64_t get_i64(const uint8_t *buf, uint32_t offset);
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