busybox/libbb/make_directory.c

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/* vi: set sw=4 ts=4: */
/*
* Mini make_directory implementation for busybox
*
* Copyright (C) 2001 Matt Kraai.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include "libbb.h"
/* Create the directory PATH with mode MODE, or the default if MODE is -1.
* Also create parent directories as necessary if flags contains
* FILEUTILS_RECUR. */
int make_directory (char *path, long mode, int flags)
{
if (!(flags & FILEUTILS_RECUR)) {
if (mkdir (path, 0777) < 0) {
perror_msg ("Cannot create directory `%s'", path);
return -1;
}
if (mode != -1 && chmod (path, mode) < 0) {
perror_msg ("Cannot set permissions of directory `%s'", path);
return -1;
}
} else {
struct stat st;
if (stat (path, &st) < 0 && errno == ENOENT) {
char *parent = dirname (path);
mode_t mask = umask (0);
umask (mask);
if (make_directory (parent, (0777 & ~mask) | 0300,
FILEUTILS_RECUR) < 0)
return -1;
free (parent);
if (make_directory (path, mode, 0) < 0)
return -1;
}
}
return 0;
}