Author: markj
Date: Tue Feb 26 00:44:54 2013
New Revision: 247294
URL: http://svnweb.freebsd.org/changeset/base/247294
Log:
MFC r246917:
Strengthen the check in IS_OUT_OF_BOUNDS to ensure that (j - 1) is a
valid index into the input buffer.
Approved by: rstone (co-mentor)
Modified:
stable/9/usr.bin/grep/regex/tre-fastmatch.c
Directory Properties:
stable/9/usr.bin/grep/ (props changed)
Modified: stable/9/usr.bin/grep/regex/tre-fastmatch.c
==============================================================================
--- stable/9/usr.bin/grep/regex/tre-fastmatch.c Tue Feb 26 00:43:01 2013
(r247293)
+++ stable/9/usr.bin/grep/regex/tre-fastmatch.c Tue Feb 26 00:44:54 2013
(r247294)
@@ -103,7 +103,7 @@ static int fastcmp(const fastmatch_t *fg
((!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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