Bug#676423: doxygen: new segmentation faults in version 1.8.1-1

[Thibaut Paumard]

package doxygen
tags 676423 + patch
thanks

Hi,

removeEmptyLines() segfaults on empty string.

Here comes a patch.

Regards, Thibaut.

Description: fix for 676423: new segmentation faults in version 1.8.1-1
 removeEmptyLines() segfaults on empty string
Author: Thibaut Paumard <paum...@users.sourceforge.net>
Origin: vendor
Bug-Debian: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=676423
Forwarded: no
Last-Update: 2012-07-05
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/src/htmlgen.cpp
+++ b/src/htmlgen.cpp
@@ -936,6 +936,11 @@
 static QCString removeEmptyLines(const QCString &s)
 {
   BufStr out(s.length()+1);
+  if (s.length()==0)
+  {
+    out.addChar('\0');
+    return out.data();
+  }
   char *p=s.data();
   char c;
   while ((c=*p++))

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