ti83-sdk/lib83/memmove.c
2023-10-08 14:52:17 +02:00

25 lines
478 B
C

#include <string.h>
void * memmove(void * dst, void * src, size_t acount) {
void * ret = dst;
char * d;
char * s;
if (((int)src < (int)dst) && ((((int)src) + acount) > (int)dst)) {
d = ((char *)dst) + acount - 1;
s = ((char *)src) + acount - 1;
while (acount--) {
*d-- = *s--;
}
} else {
d = dst;
s = src;
while (acount--) {
*d++ = *s++;
}
}
return (ret);
}