rework project structure

1 files changed, 77 insertions, 0 deletions

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;
+}