===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/awk/lex.c,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -r1.8 -r1.9
--- src/usr.bin/awk/lex.c	2004/12/30 01:52:48	1.8
+++ src/usr.bin/awk/lex.c	2006/04/16 02:10:18	1.9
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lex.c,v 1.8 2004/12/30 01:52:48 millert Exp $	*/
+/*	$OpenBSD: lex.c,v 1.9 2006/04/16 02:10:18 hugh Exp $	*/
 /****************************************************************
 Copyright (C) Lucent Technologies 1997
 All Rights Reserved
@@ -514,7 +514,7 @@
 
 int regexpr(void)
 {
-	int c;
+	int c, openclass = 0;
 	static char *buf = 0;
 	static int bufsz = 500;
 	char *bp;
@@ -522,7 +522,7 @@
 	if (buf == 0 && (buf = (char *) malloc(bufsz)) == NULL)
 		FATAL("out of space for rex expr");
 	bp = buf;
-	for ( ; (c = input()) != '/' && c != 0; ) {
+	for ( ; ((c = input()) != '/' || openclass == 1) && c != 0; ) {
 		if (!adjbuf(&buf, &bufsz, bp-buf+3, 500, &bp, 0))
 			FATAL("out of space for reg expr %.10s...", buf);
 		if (c == '\n') {
@@ -533,6 +533,10 @@
 			*bp++ = '\\'; 
 			*bp++ = input();
 		} else {
+			if (c == '[')
+				openclass = 1;
+			else if (c == ']')
+				openclass = 0;
 			*bp++ = c;
 		}
 	}