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106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/* Make all the directories along a path.
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Copyright (C) 1992 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* This program works like mkdir, except that it generates
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intermediate directories if they don't exist. This is just like
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the `mkdir -p' command on most systems; unfortunately, the mkdir
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command on some of the purer BSD systems (like Mt. Xinu) don't have
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that option. */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <errno.h>
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extern int errno;
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char *prog_name;
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/* Create directory DIRNAME if it does not exist already.
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Then give permission for everyone to read and search it.
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Return 0 if successful, 1 if not. */
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int
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touchy_mkdir (dirname)
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char *dirname;
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{
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struct stat buf;
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/* If DIRNAME already exists and is a directory, don't create. */
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if (! (stat (dirname, &buf) >= 0
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&& (buf.st_mode & S_IFMT) == S_IFDIR))
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{
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/* Otherwise, try to make it. If DIRNAME exists but isn't a directory,
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this will signal an error. */
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if (mkdir (dirname, 0777) < 0)
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{
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fprintf (stderr, "%s: ", prog_name);
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perror (dirname);
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return 1;
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}
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}
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/* Make sure everyone can look at this directory. */
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if (stat (dirname, &buf) < 0)
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{
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fprintf (stderr, "%s: ", prog_name);
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perror (dirname);
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return 1;
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}
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if (chmod (dirname, 0555 | (buf.st_mode & 0777)) < 0)
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{
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fprintf (stderr, "%s: ", prog_name);
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perror (dirname);
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}
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return 0;
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}
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int
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main (argc, argv)
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int argc;
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char **argv;
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{
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prog_name = *argv;
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for (argc--, argv++; argc > 0; argc--, argv++)
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{
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char *dirname = *argv;
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int i;
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/* Stop at each slash in dirname and try to create the directory.
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Skip any initial slash. */
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for (i = (dirname[0] == '/') ? 1 : 0; dirname[i]; i++)
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if (dirname[i] == '/')
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{
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dirname[i] = '\0';
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if (touchy_mkdir (dirname) < 0)
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goto next_dirname;
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dirname[i] = '/';
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}
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touchy_mkdir (dirname);
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next_dirname:
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;
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}
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return 0;
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}
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