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>

commands/rev/rev.c

@@ -1,108 +0,0 @@
-/*-
- * Copyright (c) 1987, 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. All advertising materials mentioning features or use of this software
- *    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.
- *
- * 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.
- */
-
-#ifndef lint
-static const char copyright[] =
-"@(#) Copyright (c) 1987, 1992, 1993\n\
-	The Regents of the University of California.  All rights reserved.\n";
-#endif /* not lint */
-
-#include <sys/types.h>
-
-#include <errno.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-void usage(void);
-
-int
-main(int argc, char *argv[])
-{
-	const char *filename;
-	char p[2000], *t;
-	FILE *fp;
-	size_t len;
-	int ch, rval;
-
-	setlocale(LC_ALL, "");
-
-	while ((ch = getopt(argc, argv, "")) != -1)
-		switch(ch) {
-		case '?':
-		default:
-			usage();
-		}
-
-	argc -= optind;
-	argv += optind;
-
-	fp = stdin;
-	filename = "stdin";
-	rval = 0;
-	do {
-		if (*argv) {
-			if ((fp = fopen(*argv, "r")) == NULL) {
-				perror(*argv);
-				rval = 1;
-				++argv;
-				continue;
-			}
-			filename = *argv++;
-		}
-		while ((fgets(p, sizeof(p)-1, fp)) != NULL) {
-			len = strlen(p);
-			if (p[len - 1] == '\n')
-				--len;
-			t = p + len - 1;
-			for (t = p + len - 1; t >= p; --t)
-				putchar(*t);
-			putchar('\n');
-		}
-		if (ferror(fp)) {
-			perror(filename);
-			rval = 1;
-		}
-		(void)fclose(fp);
-	} while(*argv);
-	exit(rval);
-}
-
-void
-usage(void)
-{
-	(void)fprintf(stderr, "usage: rev [file ...]\n");
-	exit(1);
-}