diff options
author | P. J. McDermott <pjm@nac.net> | 2012-02-09 10:56:43 (EST) |
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committer | P. J. McDermott <pjm@nac.net> | 2012-02-09 10:56:43 (EST) |
commit | f431cd1a48a6a5186633bf5f16a2d21cb4399e8c (patch) | |
tree | 337e36fd9d7884fcf76ba769ab7b0039f52d9d31 /src/libbb/make_directory.c |
Initial commit.
TODO: Copyright information.
Including source code and a patch to add files generated by GNU Autoconf
is not very pretty... Running 'make dist' in the SVN trunk to generate
a source archive might be better.
Diffstat (limited to 'src/libbb/make_directory.c')
-rw-r--r-- | src/libbb/make_directory.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/libbb/make_directory.c b/src/libbb/make_directory.c new file mode 100644 index 0000000..86ab554 --- /dev/null +++ b/src/libbb/make_directory.c @@ -0,0 +1,80 @@ +/* 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 <libgen.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 (const 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) { + int status; + char *pathcopy, *parent, *parentcopy; + mode_t mask; + + mask = umask (0); + umask (mask); + + /* dirname is unsafe, it may both modify the + memory of the path argument and may return + a pointer to static memory, which can then + be modified by consequtive calls to dirname */ + + pathcopy = xstrdup (path); + parent = dirname (pathcopy); + parentcopy = xstrdup (parent); + status = make_directory (parentcopy, (0777 & ~mask) + | 0300, FILEUTILS_RECUR); + free (pathcopy); + free (parentcopy); + + + if (status < 0 || make_directory (path, mode, 0) < 0) + return -1; + } + } + + return 0; +} |