Skip to main content

Browse the archive

Staging
v0.8.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision 06fa53232d0fc8f9a47bfaf8067df0739e80288e authored by Martin v. Löwis on 02 March 2008, 20:40:14 UTC, committed by Martin v. Löwis on 02 March 2008, 20:40:14 UTC 
Tag 2.3.7c1.
1 parent cb6727e
Raw File
Tip revision: 06fa53232d0fc8f9a47bfaf8067df0739e80288e authored by Martin v. Löwis on 02 March 2008, 20:40:14 UTC
Tag 2.3.7c1.
Tip revision: 06fa532
memmove.c 

/* A perhaps slow but I hope correct implementation of memmove */

extern char *memcpy(char *, char *, int);

char *
memmove(char *dst, char *src, int n)
{
	char *realdst = dst;
	if (n <= 0)
		return dst;
	if (src >= dst+n || dst >= src+n)
		return memcpy(dst, src, n);
	if (src > dst) {
		while (--n >= 0)
			*dst++ = *src++;
	}
	else if (src < dst) {
		src += n;
		dst += n;
		while (--n >= 0)
			*--dst = *--src;
	}
	return realdst;
}
back to top