[Midnightbsd-cvs] src [8824] trunk/usr.bin/grep/regex/tre-fastmatch.c: strengthen the check in IS_OUT_OF_BOUNDS

laffer1 at midnightbsd.org laffer1 at midnightbsd.org
Sun Sep 25 23:44:38 EDT 2016


Revision: 8824
          http://svnweb.midnightbsd.org/src/?rev=8824
Author:   laffer1
Date:     2016-09-25 23:44:37 -0400 (Sun, 25 Sep 2016)
Log Message:
-----------
strengthen the check in IS_OUT_OF_BOUNDS

Modified Paths:
--------------
    trunk/usr.bin/grep/regex/tre-fastmatch.c

Modified: trunk/usr.bin/grep/regex/tre-fastmatch.c
===================================================================
--- trunk/usr.bin/grep/regex/tre-fastmatch.c	2016-09-26 03:44:09 UTC (rev 8823)
+++ trunk/usr.bin/grep/regex/tre-fastmatch.c	2016-09-26 03:44:37 UTC (rev 8824)
@@ -103,7 +103,7 @@
   ((!fg->reversed							\
     ? ((type == STR_WIDE) ? ((j + fg->wlen) > len)			\
 			  : ((j + fg->len) > len))			\
-    : (j < 0)))
+    : (j <= 0)))
 
 /*
  * Checks whether the new position after shifting in the input string



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