zzy
d88fa3b8d3
Updated type names from `core_*` to `scc_*` across lex_parser and stream modules to maintain naming consistency within the SCC codebase. This includes changes to function signatures and internal usage of types like `core_probe_stream_t`, `core_pos_t`, and `cstring_t` to their `scc_*` counterparts.
57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
#ifndef __SCC_CORE_MEM_H__
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#define __SCC_CORE_MEM_H__
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#include "core_type.h"
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void *scc_memcpy(void *dest, const void *src, usize n);
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void *scc_memmove(void *dest, const void *src, usize n);
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void *scc_memset(void *s, int c, usize n);
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int scc_memcmp(const void *s1, const void *s2, usize n);
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/**
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* @brief 使用FNV-1a进行 C 字符串哈希
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*
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* @param s
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* @return u32
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*/
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static inline u32 scc_strhash32(const char *s) {
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u32 hash = 2166136261u; // FNV-1a偏移基础值
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while (*s) {
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hash ^= *s++;
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hash *= 16777619u;
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}
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return hash;
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}
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/**
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* @brief 获取 C 字符串长度
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*
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* @param str
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* @return usize
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*/
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static inline usize scc_strlen(const char *str) {
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usize len = 0;
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while (*str) {
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len++;
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str++;
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}
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return len;
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}
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/**
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* @brief 比较两个 C 字符串
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*
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* @param s1
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* @param s2
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* @return int
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*/
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static inline int scc_strcmp(const char *s1, const char *s2) {
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while (*s1 && *s2 && *s1 == *s2) {
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s1++;
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s2++;
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}
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return *s1 - *s2;
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}
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#endif /* __SCC_CORE_MEM_H__ */
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