diff options
Diffstat (limited to 'bin/pwd')
| -rw-r--r-- | bin/pwd/Makefile | 5 | ||||
| -rw-r--r-- | bin/pwd/pwd.1 | 68 | ||||
| -rw-r--r-- | bin/pwd/pwd.c | 92 |
3 files changed, 165 insertions, 0 deletions
diff --git a/bin/pwd/Makefile b/bin/pwd/Makefile new file mode 100644 index 0000000..06a1218 --- /dev/null +++ b/bin/pwd/Makefile @@ -0,0 +1,5 @@ +# @(#)Makefile 8.1 (Berkeley) 5/31/93 + +PROG= pwd + +.include <bsd.prog.mk> diff --git a/bin/pwd/pwd.1 b/bin/pwd/pwd.1 new file mode 100644 index 0000000..b0d6ee3 --- /dev/null +++ b/bin/pwd/pwd.1 @@ -0,0 +1,68 @@ +.\" Copyright (c) 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. +.\" +.\" 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. +.\" +.\" @(#)pwd.1 8.1 (Berkeley) 5/31/93 +.\" +.Dd May 31, 1993 +.Dt PWD 1 +.Os BSD 4 +.Sh NAME +.Nm pwd +.Nd return working directory name +.Sh SYNOPSIS +.Nm pwd +.Sh DESCRIPTION +.Nm Pwd +writes the absolute pathname of the current working directory to +the standard output. +.Pp +The pwd utility exits 0 on success, and >0 if an error occurs. +.Sh STANDARDS +The +.Nm pwd +command is expected to be +.St -p1003.2 +compatible . +.Sh SEE ALSO +.Xr cd 1 , +.Xr csh 1 , +.Xr getwd 3 +.Sh BUGS +In +.Xr csh 1 +the command +.Ic dirs +is always faster (although it can give a different answer in the rare case +that the current directory or a containing directory was moved after +the shell descended into it). diff --git a/bin/pwd/pwd.c b/bin/pwd/pwd.c new file mode 100644 index 0000000..5f330c0 --- /dev/null +++ b/bin/pwd/pwd.c @@ -0,0 +1,92 @@ +/* + * Copyright (c) 1991, 1993, 1994 + * 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 char copyright[] = +"@(#) Copyright (c) 1991, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)pwd.c 8.3 (Berkeley) 4/1/94"; +#endif /* not lint */ + +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +void usage __P((void)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + int ch; + char *p; + + /* + * Flags for pwd are a bit strange. The POSIX 1003.2B/D9 document + * has an optional -P flag for physical, which is what this program + * will produce by default. The logical flag, -L, should fail, as + * there's no way to display a logical path after forking. We don't + * document either flag, only adding -P for future portability. + */ + while ((ch = getopt(argc, argv, "P")) != EOF) + switch (ch) { + case 'P': + break; + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + + if (argc != 0) + usage(); + + if ((p = getcwd(NULL, 0)) == NULL) + err(1, NULL); + (void)printf("%s\n", p); + exit(0); +} + +void +usage() +{ + + (void)fprintf(stderr, "usage: pwd\n"); + exit(1); +} |
