Importing usr.bin/printenv
Replaces printenv from commands/env. No Minix-specific changes needed. Change-Id: I64e63c9d0ca94faadc71906cf78d18fed5905e90
This commit is contained in:
Thomas Cort
parent
2cb302057c
commit
92b8e9ac1a
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@ -1,6 +1,4 @@
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PROG= env
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MAN=
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LINKS+= ${BINDIR}/env ${BINDIR}/printenv
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.include <bsd.prog.mk>
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@ -1997,6 +1997,7 @@
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./usr/man/man1/playwave.1 minix-sys
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./usr/man/man1/pr.1 minix-sys
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./usr/man/man1/prep.1 minix-sys
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./usr/man/man1/printenv.1 minix-sys
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./usr/man/man1/printf.1 minix-sys
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./usr/man/man1/profile.1 minix-sys
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./usr/man/man1/ps.1 minix-sys
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@ -187,6 +187,7 @@
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2012/10/17 12:00:00,usr.bin/nvi
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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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2013/10/17 12:00:00,usr.bin/printenv
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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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@ -20,7 +20,7 @@ SUBDIR= \
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\
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nbperf newgrp nice nl nohup nvi \
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passwd \
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printf \
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printenv printf \
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rev \
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\
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shuffle sed seq \
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@ -0,0 +1,6 @@
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# $NetBSD: Makefile,v 1.4 1997/01/09 15:17:30 tls Exp $
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# from: @(#)Makefile 8.1 (Berkeley) 6/6/93
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PROG= printenv
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.include <bsd.prog.mk>
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@ -0,0 +1,66 @@
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.\" $NetBSD: printenv.1,v 1.7 2003/08/07 11:15:31 agc Exp $
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.\"
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.\" Copyright (c) 1980, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" This code is derived from software contributed to Berkeley by
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.\" the Institute of Electrical and Electronics Engineers, Inc.
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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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.\" from: @(#)printenv.1 8.1 (Berkeley) 6/6/93
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.\" $NetBSD: printenv.1,v 1.7 2003/08/07 11:15:31 agc Exp $
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.\"
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.Dd June 6, 1993
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.Dt PRINTENV 1
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.Os
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.Sh NAME
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.Nm printenv
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.Nd print out the environment
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.Sh SYNOPSIS
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.Nm
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.Op Ar name
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.Sh DESCRIPTION
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.Nm
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prints out the names and values of the variables in the environment,
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with one name/value pair per line.
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If
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.Ar name
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is specified, only
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its value is printed.
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.Pp
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If a
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.Ar name
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is specified and it is not defined in the environment,
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.Nm
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returns exit status 1, else it returns status 0.
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.Sh SEE ALSO
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.Xr csh 1 ,
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.Xr sh 1 ,
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.Xr environ 7
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 3.0 .
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@ -0,0 +1,102 @@
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/* $NetBSD: printenv.c,v 1.12 2011/09/06 18:26:55 joerg Exp $ */
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/*
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* Copyright (c) 1987, 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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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1987, 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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/*static char sccsid[] = "from: @(#)printenv.c 8.2 (Berkeley) 5/4/95";*/
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__RCSID("$NetBSD: printenv.c,v 1.12 2011/09/06 18:26:55 joerg Exp $");
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#endif /* not lint */
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#include <sys/types.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <err.h>
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__dead static void usage(void);
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/*
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* printenv
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*
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* Bill Joy, UCB
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* February, 1979
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*/
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int
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main(int argc, char *argv[])
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{
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extern char **environ;
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char *cp, **ep;
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size_t len;
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int ch;
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while ((ch = getopt(argc, argv, "")) != -1)
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switch(ch) {
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc == 0) {
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for (ep = environ; *ep; ep++)
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(void)printf("%s\n", *ep);
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exit(0);
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}
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if (argc != 1)
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usage();
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if (strchr(*argv, '=') != NULL)
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errx(1, "Invalid environment variable %s", *argv);
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len = strlen(*argv);
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for (ep = environ; *ep; ep++)
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if (!memcmp(*ep, *argv, len)) {
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cp = *ep + len;
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if (!*cp || *cp == '=') {
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(void)printf("%s\n", *cp ? cp + 1 : cp);
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exit(0);
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}
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}
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exit(1);
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}
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static void
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usage(void)
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{
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(void)fprintf(stderr, "Usage: printenv [name]\n");
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exit(1);
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}
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