From: Guido van Rossum <guido@python.org>
Date: Thu, 14 May 1998 02:36:29 +0000 (+0000)
Subject: strop_replace(): balk if the pattern string is empty.
X-Git-Tag: v1.5.2a1~640
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4ccda15cd33faa6898c78772634e61fa4212a439;p=thirdparty%2FPython%2Fcpython.git

strop_replace(): balk if the pattern string is empty.
---

diff --git a/Modules/stropmodule.c b/Modules/stropmodule.c
index e9e9039397fa..73c2d8568324 100644
--- a/Modules/stropmodule.c
+++ b/Modules/stropmodule.c
@@ -1091,6 +1091,10 @@ strop_replace(self, args)
 			      &str, &len, &pat, &pat_len, &sub, &sub_len,
 			      &count))
 		return NULL;
+	if (pat_len <= 0) {
+		PyErr_SetString(PyExc_ValueError, "empty pattern string");
+		return NULL;
+	}
 	new_s = mymemreplace(str,len,pat,pat_len,sub,sub_len,count,&out_len);
 	if (new_s == NULL) {
 		PyErr_NoMemory();