Importing usr.bin/rev
Change-Id: I73c661eb9d4cca5c17b969bb3831541c1f7f9319
This commit is contained in:
parent
f88b0924f3
commit
79cc8b683f
8 changed files with 88 additions and 27 deletions
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@ -21,7 +21,7 @@ SUBDIR= add_route arp ash at backup btrace \
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ping postinstall poweroff pr prep printroot \
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profile progressbar pr_routes ps pwdauth \
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ramdisk rarpd rawspeed rcp readclock \
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reboot remsync rev rget rlogin \
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reboot remsync rget rlogin \
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rotate rsh rshd service setup shar \
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sleep slip spell split sprofalyze sprofdiff srccrc \
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stty svclog svrctl swifi synctree sysenv \
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@ -1,4 +0,0 @@
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PROG= rev
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MAN=
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.include <bsd.prog.mk>
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@ -2003,6 +2003,7 @@
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./usr/man/man1/ref.1 minix-sys obsolete
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./usr/man/man1/remsync.1 minix-sys
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./usr/man/man1/return.1 minix-sys
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./usr/man/man1/rev.1 minix-sys
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./usr/man/man1/rget.1 minix-sys
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./usr/man/man1/rlogin.1 minix-sys
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./usr/man/man1/rm.1 minix-sys
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@ -181,6 +181,7 @@
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2010/05/14 17:28:23,usr.bin/newgrp
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2012/10/17 12:00:00,usr.bin/passwd
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2012/10/17 12:00:00,usr.bin/printf
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2013/09/28 12:00:00,usr.bin/rev
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2010/02/19 16:35:27,usr.bin/sed
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2010/05/27 08:40:19,usr.bin/seq
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2013/06/02 12:00:00,usr.bin/shuffle
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@ -21,7 +21,7 @@ SUBDIR= \
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nbperf newgrp nvi \
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passwd \
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printf \
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\
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rev \
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\
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shuffle sed seq \
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sort stat su \
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6
usr.bin/rev/Makefile
Normal file
6
usr.bin/rev/Makefile
Normal file
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@ -0,0 +1,6 @@
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# $NetBSD: Makefile,v 1.3 1995/09/28 08:49:37 tls Exp $
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# @(#)Makefile 8.1 (Berkeley) 6/9/93
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PROG= rev
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.include <bsd.prog.mk>
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50
usr.bin/rev/rev.1
Normal file
50
usr.bin/rev/rev.1
Normal file
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@ -0,0 +1,50 @@
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.\" $NetBSD: rev.1,v 1.8 2009/07/21 01:12:55 ahoka Exp $
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.\"
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.\" Copyright (c) 1985, 1992, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)rev.1 8.1 (Berkeley) 6/9/93
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.\"
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.Dd July 21, 2009
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.Dt REV 1
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.Os
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.Sh NAME
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.Nm rev
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.Nd reverse order of characters of lines in a file
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.Sh SYNOPSIS
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.Nm
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.Op Ar
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.Sh DESCRIPTION
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The
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.Nm
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utility copies the specified files to the standard output, reversing the
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order of characters in every line.
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If no files are specified, the standard input is read.
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.Sh ENVIRONMENT
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.Bl -tag -width indent
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.It Ev LC_ALL
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.El
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@ -1,3 +1,5 @@
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/* $NetBSD: rev.c,v 1.12 2011/09/16 15:39:28 joerg Exp $ */
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/*-
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* Copyright (c) 1987, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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@ -10,11 +12,7 @@
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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@ -31,33 +29,43 @@
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1987, 1992, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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__COPYRIGHT("@(#) Copyright (c) 1987, 1992, 1993\
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The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)rev.c 8.3 (Berkeley) 5/4/95";
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#else
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__RCSID("$NetBSD: rev.c,v 1.12 2011/09/16 15:39:28 joerg Exp $");
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#endif
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#endif /* not lint */
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#include <sys/types.h>
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#include <err.h>
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#include <errno.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <wchar.h>
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void usage(void);
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__dead static void usage(void);
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int
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main(int argc, char *argv[])
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{
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const char *filename;
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char p[2000], *t;
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wchar_t *p, *t;
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FILE *fp;
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size_t len;
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int ch, rval;
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setlocale(LC_ALL, "");
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setprogname(argv[0]);
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while ((ch = getopt(argc, argv, "")) != -1)
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switch(ch) {
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do {
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if (*argv) {
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if ((fp = fopen(*argv, "r")) == NULL) {
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perror(*argv);
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warn("%s", *argv);
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rval = 1;
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++argv;
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continue;
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}
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filename = *argv++;
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}
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while ((fgets(p, sizeof(p)-1, fp)) != NULL) {
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len = strlen(p);
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if (p[len - 1] == '\n')
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while ((p = fgetwln(fp, &len)) != NULL) {
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if (p[len - 1] == L'\n')
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--len;
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t = p + len - 1;
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for (t = p + len - 1; t >= p; --t)
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putchar(*t);
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putchar('\n');
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putwchar(*t);
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putwchar(L'\n');
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}
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if (ferror(fp)) {
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perror(filename);
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warn("%s", filename);
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rval = 1;
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}
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(void)fclose(fp);
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exit(rval);
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}
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void
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static void
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usage(void)
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{
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(void)fprintf(stderr, "usage: rev [file ...]\n");
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exit(1);
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(void)fprintf(stderr, "usage: %s [file ...]\n", getprogname());
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exit(EXIT_FAILURE);
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}
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