From 2c0efd93530c472e96ff3529aee983b53f3b78d9 Mon Sep 17 00:00:00 2001 From: Nathan Lee Date: Wed, 12 Aug 2026 17:44:17 -0500 Subject: rework project structure --- include/sys/stddef.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 include/sys/stddef.h (limited to 'include/sys/stddef.h') diff --git a/include/sys/stddef.h b/include/sys/stddef.h new file mode 100644 index 0000000..27aea74 --- /dev/null +++ b/include/sys/stddef.h @@ -0,0 +1,77 @@ +#pragma once +#define NULL (void*)0 + +#define uintptr_t __wk_size_t +#define size_t __wk_size_t +#define uint8_t __wk_uint8_t +#define uint16_t __wk_uint16_t +#define uint32_t __wk_uint32_t +#define uint64_t __wk_uint64_t + +#define htole + +#ifdef __SYS_LITTLE_ENDIAN__ + #define ltohs(x) x + #define ltohi(x) x + #define htols(x) x + #define htoli(x) x + + #define btohs(x) __builtin_bswap16(x) + #define btohi(x) __builtin_bswap32(x) + #define htobs(x) __builtin_bswap16(x) + #define htobi(x) __builtin_bswap32(x) +#else + #define ltohs(x) __builtin_bswap16(x) + #define ltohi(x) __builtin_bswap32(x) + #define htols(x) __builtin_bswap16(x) + #define htoli(x) __builtin_bswap32(x) + + #define btohs(x) x + #define btohi(x) x + #define htobs(x) x + #define htobi(x) x +#endif + +typedef __UINTPTR_TYPE__ __wk_size_t; +typedef __UINT8_TYPE__ __wk_uint8_t; +typedef __UINT16_TYPE__ __wk_uint16_t; +typedef __UINT32_TYPE__ __wk_uint32_t; +typedef __UINT64_TYPE__ __wk_uint64_t; + + +static inline size_t strlen(const char *s) { + size_t len = 0; + while (*s++) { + ++len; + } + return len; +} +static inline int strcmp(const char *str1, const char* str2) { + while (*str1 && (*str1 == *str2)) { + ++str1; + ++str2; + } + return *(const unsigned char *)str1 - *(const unsigned char *)str2; +} + +static inline int memcmp(const void *s1, const void *s2, size_t n) { + const unsigned char *p1 = (const unsigned char *)s1; + const unsigned char *p2 = (const unsigned char *)s2; + + for (size_t i = 0; i < n; i++) { + if (p1[i] != p2[i]) { + return p1[i] - p2[i]; + } + } + + return 0; +} + +static inline void *memcpy(void *restrict dest, const void* restrict src, size_t size) { + unsigned char *d = (unsigned char *)dest; + unsigned char *s = (unsigned char *)src; + for (size_t i = 0; i < size; i++) { + d[i] = s[i]; + } + return d; +} -- cgit v1.2.3