This ia an apache-1.3 issue

Richard Clarke <[EMAIL PROTECTED]> has reported the following segfault on the modperl list. The following patch tries to prevent the segfault:

Program received signal SIGBUS, Bus error.
0x80b445b in ap_unescape_url (url=0x8162e89 "") at util.c:1609
1609 url[x] = '\0';
(gdb) bt
#0 0x80b445b in ap_unescape_url (url=0x8162e89 "") at util.c:1609
#1 0x8085c20 in XS_Apache_unescape_url (cv=0x8227b0c) at Apache.c:931
[...]

Index: src/main/util.c
===================================================================
RCS file: /home/cvspublic/apache-1.3/src/main/util.c,v
retrieving revision 1.206
diff -u -r1.206 util.c
--- src/main/util.c 18 Jun 2002 00:59:58 -0000 1.206
+++ src/main/util.c 19 Feb 2003 05:12:04 -0000
@@ -1588,6 +1588,10 @@
{
register int x, y, badesc, badpath;

+ /* if the url is empty just return */
+ if (url && url[0] == '\0')
+ return OK;
+
badesc = 0;
badpath = 0;
for (x = 0, y = 0; url[y]; ++x, ++y) {



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