Importing usr.bin/rev

Change-Id: I73c661eb9d4cca5c17b969bb3831541c1f7f9319

commands/Makefile

@@ -21,7 +21,7 @@ SUBDIR=	add_route arp ash at backup btrace \
 	ping postinstall poweroff pr prep printroot \
 	profile progressbar pr_routes ps pwdauth \
 	ramdisk rarpd rawspeed rcp readclock \
-	reboot remsync rev rget rlogin \
+	reboot remsync rget rlogin \
 	rotate rsh rshd service setup shar \
 	sleep slip spell split sprofalyze sprofdiff srccrc \
 	stty svclog svrctl swifi synctree sysenv \

commands/rev/Makefile

@@ -1,4 +0,0 @@
-PROG=	rev
-MAN=
-
-.include <bsd.prog.mk>

distrib/sets/lists/minix/mi

@@ -2003,6 +2003,7 @@
 ./usr/man/man1/ref.1			minix-sys	obsolete
 ./usr/man/man1/remsync.1		minix-sys
 ./usr/man/man1/return.1			minix-sys
+./usr/man/man1/rev.1			minix-sys
 ./usr/man/man1/rget.1			minix-sys
 ./usr/man/man1/rlogin.1			minix-sys
 ./usr/man/man1/rm.1			minix-sys

releasetools/nbsd_ports

@@ -181,6 +181,7 @@
 2010/05/14 17:28:23,usr.bin/newgrp
 2012/10/17 12:00:00,usr.bin/passwd
 2012/10/17 12:00:00,usr.bin/printf
+2013/09/28 12:00:00,usr.bin/rev
 2010/02/19 16:35:27,usr.bin/sed
 2010/05/27 08:40:19,usr.bin/seq
 2013/06/02 12:00:00,usr.bin/shuffle

usr.bin/Makefile

@@ -21,7 +21,7 @@ SUBDIR= \
 	nbperf newgrp nvi \
 	passwd \
 	printf \
-	\
+	rev \
 	\
 	shuffle sed seq \
 	sort stat su \

usr.bin/rev/Makefile

@@ -0,0 +1,6 @@
+#	$NetBSD: Makefile,v 1.3 1995/09/28 08:49:37 tls Exp $
+#	@(#)Makefile	8.1 (Berkeley) 6/9/93
+
+PROG=	rev
+
+.include <bsd.prog.mk>

usr.bin/rev/rev.1

@@ -0,0 +1,50 @@
+.\"	$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.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"	@(#)rev.1	8.1 (Berkeley) 6/9/93
+.\"
+.Dd July 21, 2009
+.Dt REV 1
+.Os
+.Sh NAME
+.Nm rev
+.Nd reverse order of characters of lines in a file
+.Sh SYNOPSIS
+.Nm
+.Op Ar
+.Sh DESCRIPTION
+The
+.Nm
+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

usr.bin/rev/rev.c

@@ -1,3 +1,5 @@
+/*	$NetBSD: rev.c,v 1.12 2011/09/16 15:39:28 joerg Exp $	*/
+
 /*-
  * Copyright (c) 1987, 1992, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -10,11 +12,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
+ * 3. Neither the name of the University nor the names of its contributors
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -31,33 +29,43 @@
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
 #ifndef lint
-static const char copyright[] =
+__COPYRIGHT("@(#) Copyright (c) 1987, 1992, 1993\
-"@(#) Copyright (c) 1987, 1992, 1993\n\
+ The Regents of the University of California.  All rights reserved.");
-	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)rev.c	8.3 (Berkeley) 5/4/95";
+#else
+__RCSID("$NetBSD: rev.c,v 1.12 2011/09/16 15:39:28 joerg Exp $");
+#endif
 #endif /* not lint */
 
 #include <sys/types.h>
 
+#include <err.h>
 #include <errno.h>
 #include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <unistd.h>
+#include <wchar.h>
 
-void usage(void);
+__dead static void usage(void);
 
 int
 main(int argc, char *argv[])
 {
 	const char *filename;
-	char p[2000], *t;
+	wchar_t *p, *t;
 	FILE *fp;
 	size_t len;
 	int ch, rval;
 
 	setlocale(LC_ALL, "");
+	setprogname(argv[0]);
 
 	while ((ch = getopt(argc, argv, "")) != -1)
 		switch(ch) {
@@ -75,24 +83,23 @@ main(int argc, char *argv[])
 	do {
 		if (*argv) {
 			if ((fp = fopen(*argv, "r")) == NULL) {
-				perror(*argv);
+				warn("%s", *argv);
 				rval = 1;
 				++argv;
 				continue;
 			}
 			filename = *argv++;
 		}
-		while ((fgets(p, sizeof(p)-1, fp)) != NULL) {
+		while ((p = fgetwln(fp, &len)) != NULL) {
-			len = strlen(p);
+			if (p[len - 1] == L'\n')
-			if (p[len - 1] == '\n')
 				--len;
 			t = p + len - 1;
 			for (t = p + len - 1; t >= p; --t)
-				putchar(*t);
+				putwchar(*t);
-			putchar('\n');
+			putwchar(L'\n');
 		}
 		if (ferror(fp)) {
-			perror(filename);
+			warn("%s", filename);
 			rval = 1;
 		}
 		(void)fclose(fp);
@@ -100,9 +107,9 @@ main(int argc, char *argv[])
 	exit(rval);
 }
 
-void
+static void
 usage(void)
 {
-	(void)fprintf(stderr, "usage: rev [file ...]\n");
+	(void)fprintf(stderr, "usage: %s [file ...]\n", getprogname());
-	exit(1);
+	exit(EXIT_FAILURE);
 }