forked from NeoFlock/noom
93 lines
1.9 KiB
C
93 lines
1.9 KiB
C
#include "helper.h"
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#include "noom.h"
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int noom_startswith(const char* str, const char* compare) {
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#ifdef __has_builtin
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#if __has_builtin(__builtin_strncmp)
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return __builtin_strncmp(compare, str, noom_strlen(compare)) == 0;
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#endif
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#endif
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noom_uint_t i = 0;
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while (1) {
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if (compare[i] == '\0') return 1; // we did it
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if (str[i] != compare[i]) return 0;
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i++;
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}
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return 0; // unreachable but whatevs
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}
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int noom_memeq(const char* stra, noom_uint_t lena, const char* strb, noom_uint_t lenb) {
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if (lena != lenb) return 0;
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for (noom_uint_t i = 0; i < lena; i++) {
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if (stra[i] != strb[i]) return 0;
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}
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return 1;
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}
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noom_uint_t noom_strlen(const char* s) {
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#ifdef __has_builtin
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#if __has_builtin(__builtin_strlen)
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return __builtin_strlen(s);
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#endif
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#endif
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const char* a = s;
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while (*s) s++;
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return s - a;
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}
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int noom_strcmp(const char* a, const char* b) {
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#ifdef __has_builtin
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#if __has_builtin(__builtin_strcmp)
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return __builtin_strcmp(a, b);
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#endif
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#endif
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for (; *a && *a == *b; a++, b++);
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return *(const unsigned char*)a - *(const unsigned char*)b;
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}
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void noom_safe_strcpy(char* buffer, noom_uint_t* pos, noom_uint_t buffer_size, const char* src) {
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while (*src && *pos < buffer_size - 1) {
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buffer[(*pos)++] = *src++;
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}
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}
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char* noom_strndup(const char* s, const noom_uint_t len) {
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char* whar = noom_alloc(len + 1);
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if (whar == 0) return 0;
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noom_memcpy(whar, s, len);
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whar[len] = '\0';
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return whar;
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}
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void noom_memcpy(void* dst, const void* src, noom_uint_t n) {
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#ifdef __has_builtin
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#if __has_builtin(__builtin_memcpy)
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__builtin_memcpy(dst, src, n);
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return;
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#endif
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#endif
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unsigned char* d = dst;
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const unsigned char* s = src;
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while (n--) {
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*d++ = *s++;
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}
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}
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#include <stdlib.h> // TODO: remove
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void* noom_alloc(noom_uint_t size) {
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return malloc(size);
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}
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void noom_free(void* ptr) {
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free(ptr);
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}
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void* noom_realloc(void* ptr, noom_uint_t size) {
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return realloc(ptr, size);
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}
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