sm64ex-coop/lib/src/string.c

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2019-08-25 06:46:40 +02:00
#include "libultra_internal.h"
#include <string.h>
void *memcpy(void *dst, const void *src, size_t size) {
u8 *_dst = dst;
const u8 *_src = src;
while (size > 0) {
*_dst++ = *_src++;
size--;
}
return dst;
}
size_t strlen(const u8 *str) {
const u8 *ptr = str;
while (*ptr)
ptr++;
return ptr - str;
}
const u8 *strchr(const u8 *str, s32 ch) {
u8 c = ch;
while (*str != c) {
if (*str == 0)
return NULL;
str++;
}
return str;
}