@@ -1,4 +1,4 @@
-.\"	$NetBSD: rev.1,v 1.7 2008/11/28 20:30:05 reed Exp $
+.\"	$NetBSD: rev.1,v 1.8 2009/07/21 01:12:55 ahoka Exp $
 .\"
 .\" Copyright (c) 1985, 1992, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	@(#)rev.1	8.1 (Berkeley) 6/9/93
 .\"
-.Dd January 21, 2001
+.Dd July 21, 2009
 .Dt REV 1
 .Os
 .Sh NAME
@@ -44,3 +44,7 @@
 utility copies the specified files to the standard output, reversing the
 order of characters in every line.
 If no files are specified, the standard input is read.
+.Sh ENVIRONMENT
+.Bl -tag -width indent
+.It Ev LC_ALL
+.El

@@ -1,4 +1,4 @@
-/*	$NetBSD: rev.c,v 1.9 2009/04/13 04:36:34 lukem Exp $	*/
+/*	$NetBSD: rev.c,v 1.10 2009/07/21 01:12:55 ahoka Exp $	*/
 
 /*-
  * Copyright (c) 1987, 1992, 1993
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)rev.c	8.3 (Berkeley) 5/4/95";
 #else
-__RCSID("$NetBSD: rev.c,v 1.9 2009/04/13 04:36:34 lukem Exp $");
+__RCSID("$NetBSD: rev.c,v 1.10 2009/07/21 01:12:55 ahoka Exp $");
 #endif
 #endif /* not lint */
 
@@ -47,10 +47,11 @@
 
 #include <err.h>
 #include <errno.h>
+#include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <unistd.h>
+#include <wchar.h>
 
 int	main __P((int, char **));
 void	usage __P((void));
@@ -61,11 +62,13 @@
 	char *argv[];
 {
 	const char *filename;
-	char *p, *t;
+	wchar_t *p, *t;
 	FILE *fp;
 	size_t len;
 	int ch, rval;
 
+	setlocale(LC_ALL, "");
+
 	while ((ch = getopt(argc, argv, "")) != -1)
 		switch(ch) {
 		case '?':
@@ -89,13 +92,13 @@
 			}
 			filename = *argv++;
 		}
-		while ((p = fgetln(fp, &len)) != NULL) {
-			if (p[len - 1] == '\n')
+		while ((p = fgetwln(fp, &len)) != NULL) {
+			if (p[len - 1] == L'\n')
 				--len;
 			t = p + len - 1;
 			for (t = p + len - 1; t >= p; --t)
-				putchar(*t);
-			putchar('\n');
+				putwchar(*t);
+			putwchar(L'\n');
 		}
 		if (ferror(fp)) {
 			warn("%s", filename);