From: Raymond Hettinger <python@rcn.com>
Date: Wed, 10 Mar 2004 11:44:04 +0000 (+0000)
Subject: Use memcpy() instead of memmove() when the buffers are known to be distinct.
X-Git-Tag: v2.4a1~725
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=66d31f8f3812f91d8d9bf7878f93fabe6f005082;p=python

Use memcpy() instead of memmove() when the buffers are known to be distinct.
---

diff --git a/Objects/listobject.c b/Objects/listobject.c
index 500f823a9c..b61d7da0ad 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -518,7 +518,7 @@ list_ass_slice(PyListObject *a, int ilow, int ihigh, PyObject *v)
 	else
 		p = recycle = NULL;
 	if (d <= 0) { /* Delete -d items; recycle ihigh-ilow items */
-		memmove(p, &item[ilow], (ihigh - ilow)*sizeof(PyObject *));
+		memcpy(p, &item[ilow], (ihigh - ilow)*sizeof(PyObject *));
 		p += ihigh - ilow;
 		if (d < 0) {
 			memmove(&item[ihigh+d], &item[ihigh], 
@@ -537,7 +537,7 @@ list_ass_slice(PyListObject *a, int ilow, int ihigh, PyObject *v)
 		item = a->ob_item;
 		memmove(&item[ihigh+d], &item[ihigh],
 			(s - ihigh)*sizeof(PyObject *));
-		memmove(p, &item[ilow], (ihigh - ilow)*sizeof(PyObject *));
+		memcpy(p, &item[ilow], (ihigh - ilow)*sizeof(PyObject *));
 		p += ihigh - ilow;
 	}
 	for (k = 0; k < n; k++, ilow++) {