texinfo/info window.c

[Karl Berry]

CVSROOT:        /sources/texinfo
Module name:    texinfo
Changes by:     Karl Berry <karl>       11/02/05 19:01:54

Modified files:
        info           : window.c 

Log message:
        missed commit

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/texinfo/info/window.c?cvsroot=texinfo&r1=1.20&r2=1.21

Patches:
Index: window.c
===================================================================
RCS file: /sources/texinfo/texinfo/info/window.c,v
retrieving revision 1.20
retrieving revision 1.21
diff -u -b -r1.20 -r1.21
--- window.c    29 Dec 2008 23:22:20 -0000      1.20
+++ window.c    5 Feb 2011 19:01:54 -0000       1.21
@@ -1,7 +1,7 @@
 /* window.c -- windows in Info.
-   $Id: window.c,v 1.20 2008/12/29 23:22:20 karl Exp $
+   $Id: window.c,v 1.21 2011/02/05 19:01:54 karl Exp $
 
-   Copyright (C) 1993, 1997, 1998, 2001, 2002, 2003, 2004, 2007, 2008
+   Copyright (C) 1993, 1997, 1998, 2001, 2002, 2003, 2004, 2007, 2008, 2011
    Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
@@ -923,7 +923,13 @@
         break;
     }
 
+  /* Something is wrong with the above logic as it allows a negative
+     index to be returned for small windows.  Until someone figures it
+     out, at least don&#39;t core dump. */
+  if (i > 0)
   return i - 1;
+  else
+    return 0;
 }
 
 /* Get and return the goal column for this window. */