From: Richard Stallman <rms@gnu.org>
Date: Sat, 11 May 1996 18:05:52 +0000 (+0000)
Subject: (re_match_2_internal): Fix off-by-one error; don't use
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23c946d65918fa0e7107933b976c3f88b097aaa8;p=pspp

(re_match_2_internal): Fix off-by-one error; don't use
length of exactn as character, and don't use length of bitmap of
charset as bitmap.
---

diff --git a/regex.c b/regex.c
index e6d04a57df..43cff32305 100644
--- a/regex.c
+++ b/regex.c
@@ -4505,9 +4505,9 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
 #endif
 
                 if ((re_opcode_t) p1[3] == exactn
-		    && ! ((int) p2[1] * BYTEWIDTH > (int) p1[4]
-			  && (p2[1 + p1[4] / BYTEWIDTH]
-			      & (1 << (p1[4] % BYTEWIDTH)))))
+		    && ! ((int) p2[1] * BYTEWIDTH > (int) p1[5]
+			  && (p2[2 + p1[5] / BYTEWIDTH]
+			      & (1 << (p1[5] % BYTEWIDTH)))))
                   {
   		    p[-3] = (unsigned char) pop_failure_jump;
                     DEBUG_PRINT3 ("  %c != %c => pop_failure_jump.\n",