Merge the following revisions from NetBSD src:

c_ulimit.c 1.9: avoid sign extension problem
lex.c 1.13: bugfix related to nested quotes
Bump PKGREVISION.

3 files changed, 22 insertions, 36 deletions

diff --git a/shells/pdksh/Makefile b/shells/pdksh/Makefile
index 9054989cc9b..01378265cbc 100644
--- a/shells/pdksh/Makefile
+++ b/shells/pdksh/Makefile
@@ -1,8 +1,8 @@
-# $NetBSD: Makefile,v 1.17 2008/06/19 18:36:51 joerg Exp $
+# $NetBSD: Makefile,v 1.18 2009/02/21 20:06:30 tnn Exp $
 #
 
 DISTNAME=	pdksh-5.2.14
-PKGREVISION=	3
+PKGREVISION=	4
 CATEGORIES=	shells
 MASTER_SITES=	ftp://ftp.cs.mun.ca/pub/pdksh/ \
 		http://gd.tuwien.ac.at/utils/shells/pdksh/ \
diff --git a/shells/pdksh/files/c_ulimit.c b/shells/pdksh/files/c_ulimit.c
index 004982f1f53..3f7282b4530 100644
--- a/shells/pdksh/files/c_ulimit.c
+++ b/shells/pdksh/files/c_ulimit.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: c_ulimit.c,v 1.3 2008/06/15 14:20:08 tnn Exp $	*/
+/*	$NetBSD: c_ulimit.c,v 1.4 2009/02/21 20:06:30 tnn Exp $	*/
 
 /*
 	ulimit -- handle "ulimit" builtin
@@ -187,7 +187,7 @@ c_ulimit(wp)
 			    bi_errorf("invalid limit: %s", wp[0]);
 			    return 1;
 			}
-			val = rval * l->factor;
+			val = (unsigned long)rval * l->factor;
 		}
 	}
 	if (all) {
diff --git a/shells/pdksh/files/lex.c b/shells/pdksh/files/lex.c
index 2ec5018f7f3..502f0662574 100644
--- a/shells/pdksh/files/lex.c
+++ b/shells/pdksh/files/lex.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: lex.c,v 1.3 2008/06/15 14:20:09 tnn Exp $	*/
+/*	$NetBSD: lex.c,v 1.4 2009/02/21 20:06:30 tnn Exp $	*/
 
 /*
  * lexical analysis and source input
@@ -328,41 +328,27 @@ yylex(cf)
 				*wp++ = COMSUB;
 				/* Need to know if we are inside double quotes
 				 * since sh/at&t-ksh translate the \" to " in
-				 * "`..\"..`".
-				 * This is not done in posix mode (section
-				 * 3.2.3, Double Quotes: "The backquote shall
-				 * retain its special meaning introducing the
-				 * other form of command substitution (see
-				 * 3.6.3). The portion of the quoted string
-				 * from the initial backquote and the
-				 * characters up to the next backquote that
-				 * is not preceded by a backslash (having
-				 * escape characters removed) defines that
-				 * command whose output replaces `...` when
-				 * the word is expanded."
-				 * Section 3.6.3, Command Substitution:
-				 * "Within the backquoted style of command
-				 * substitution, backslash shall retain its
-				 * literal meaning, except when followed by
-				 * $ ` \.").
+				 * "`..\"..`".  POSIX also requires this.
+				 * An earlier version of ksh misinterpreted
+				 * the POSIX specification and performed
+				 * removal of backslash escapes only if
+				 * posix mode was not in effect.
 				 */
 				statep->ls_sbquote.indquotes = 0;
-				if (!Flag(FPOSIX)) {
-					Lex_state *s = statep;
-					Lex_state *base = state_info.base;
-					while (1) {
-						for (; s != base; s--) {
-							if (s->ls_state == SDQUOTE) {
-								statep->ls_sbquote.indquotes = 1;
-								break;
-							}
-						}
-						if (s != base)
-							break;
-						if (!(s = s->ls_info.base))
+				Lex_state *s = statep;
+				Lex_state *base = state_info.base;
+				while (1) {
+					for (; s != base; s--) {
+						if (s->ls_state == SDQUOTE) {
+							statep->ls_sbquote.indquotes = 1;
 							break;
-						base = s-- - STATE_BSIZE;
+						}
 					}
+					if (s != base)
+						break;
+					if (!(s = s->ls_info.base))
+						break;
+					base = s-- - STATE_BSIZE;
 				}
 				break;
 			  default: