* Fix menuconfig.init memory corruption; strstr does not work on file

contents unless they are guaranteed to be zero-terminated by some
  out-of-band means (such as help texts).

debian/changelog

@@ -1,6 +1,9 @@
 gfxboot-theme-ubuntu (0.5.11) UNRELEASED; urgency=low
 
   * Backport 'split' memory corruption fix from SuSE.
+  * Fix menuconfig.init memory corruption; strstr does not work on file
+    contents unless they are guaranteed to be zero-terminated by some
+    out-of-band means (such as help texts).
 
  -- Colin Watson <cjwatson@ubuntu.com>  Thu, 20 Mar 2008 22:12:01 +0000
 

menuconfig.inc

@@ -126,8 +126,10 @@
     dup cvp length 0 eq { exit } if
 
     % break lines at \r or \n
-    dup "\x0d" strstr dup 0 ne { 1 sub over exch 0 put } { pop } ifelse
-    dup "\n" strstr dup 0 ne { 1 sub over exch 0 put } { pop } ifelse
+    0 1 2 index length 1 sub {
+      over over get
+      dup '\x0d' eq exch '\n' eq or { over exch 0 put exit } { pop } ifelse
+    } for
 
     skipspace getword tolower
     % keep in sync with common.inc:MenuInit