Files
gbdk-2020/gbdk-lib/libc/string.c
2022-02-20 00:56:40 +03:00

37 lines
675 B
C

/** Dumb strings hack.
*/
#include <string.h>
#include <gbdk/gbdk-lib.h>
#if USE_C_STRCPY
char *strcpy(char *dest, const char *source) NONBANKED
{
char *d = dest;
const char *s = source;
while (*d = *s) d++, s++;
return dest;
}
#endif
#if USE_C_MEMCPY
void *memcpy(void *dest, const void *source, size_t count) NONBANKED
{
char *d = dest;
const char *s = source;
while (count--) {
*d = *s;
d++;
s++;
}
return dest;
}
#endif
#if USE_C_STRCMP
int strcmp(const char *s1, const char *s2) {
char ret = 0;
while (!(ret = *s1 - *s2) && *s2) ++s1, ++s2;
return (ret < 0) ? -1 : ((ret > 0) ? 1 : 0);
}
#endif