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v0.5.1
https://github.com/python/cpython
09 December 2020, 11:06:31 UTC
Revision ad80c6bb2afa6d46fc19104127d7b02f8a5e2169 authored by Martin v. Löwis on 08 March 2005, 15:05:18 UTC, committed by Martin v. Löwis on 08 March 2005, 15:05:18 UTC 
Build with --disable-unicode again. Fixes #1158607.
1 parent 6349e89
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Tip revision: ad80c6bb2afa6d46fc19104127d7b02f8a5e2169 authored by Martin v. Löwis on 08 March 2005, 15:05:18 UTC
Build with --disable-unicode again. Fixes #1158607.
Tip revision: ad80c6b
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;
}
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