Re: Apache::Util gives segfault

[Doug MacEachern]

On Tue, 23 May 2000, Kenneth Lee wrote:

> When I pass an undef (or "", maybe) to Apache::Util->unescape_uri_info 
> it gives me segfault.
> Any idea?

i'm surprised this hasn't bitten anybody before.  thanks for the
report, patch below.

--- src/modules/perl/Apache.xs  2000/04/21 06:03:52     1.96
+++ src/modules/perl/Apache.xs  2000/05/23 18:06:21
@@ -668,6 +672,10 @@
     CODE:
     register char * trans = url ;
     char digit ;
+
+    if (!url || !*url) {
+        XSRETURN_UNDEF;
+    }
 
     RETVAL = url;