http://bugs.gentoo.org/140902

revision 1.30
date: 2005-04-05 17:04:16 -0400;  author: karl;  state: Exp;  lines: +6 -4
negative array indexing, grep -c for tests

Index: makeinfo/html.c
===================================================================
RCS file: /cvsroot/texinfo/texinfo/makeinfo/html.c,v
retrieving revision 1.29
retrieving revision 1.30
diff -u -p -r1.29 -r1.30
--- makeinfo/html.c	12 Mar 2005 23:59:39 -0000	1.29
+++ makeinfo/html.c	5 Apr 2005 21:04:16 -0000	1.30
@@ -448,7 +450,7 @@ rollback_empty_tag (char *tag)
     return 0;
 
   /* Find the end of the previous tag.  */
-  while (output_paragraph[check_position-1] != '>' && check_position > 0)
+  while (check_position > 0 && output_paragraph[check_position-1] != '>')
     check_position--;
 
   /* Save stuff between tag's end to output_paragraph's end.  */
@@ -465,7 +467,7 @@ rollback_empty_tag (char *tag)
     }
 
   /* Find the start of the previous tag.  */
-  while (output_paragraph[check_position-1] != '<' && check_position > 0)
+  while (check_position > 0 && output_paragraph[check_position-1] != '<')
     check_position--;
 
   /* Check to see if this is the tag.  */