diff options
Diffstat (limited to 'src/mkdir.c')
-rw-r--r-- | src/mkdir.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/mkdir.c b/src/mkdir.c new file mode 100644 index 0000000..6fa0ac2 --- /dev/null +++ b/src/mkdir.c @@ -0,0 +1,205 @@ +/* mkdir -- make directories + Copyright (C) 90, 1995-2002, 2004, 2005, 2006 Free Software Foundation, Inc. + + 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, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* David MacKenzie <djm@ai.mit.edu> */ + +#include <config.h> +#include <stdio.h> +#include <getopt.h> +#include <sys/types.h> + +#include "system.h" +#include "error.h" +#include "lchmod.h" +#include "mkdir-p.h" +#include "modechange.h" +#include "quote.h" +#include "savewd.h" + +/* The official name of this program (e.g., no `g' prefix). */ +#define PROGRAM_NAME "mkdir" + +#define AUTHORS "David MacKenzie" + +/* The name this program was run with. */ +char *program_name; + +static struct option const longopts[] = +{ + {"mode", required_argument, NULL, 'm'}, + {"parents", no_argument, NULL, 'p'}, + {"verbose", no_argument, NULL, 'v'}, + {GETOPT_HELP_OPTION_DECL}, + {GETOPT_VERSION_OPTION_DECL}, + {NULL, 0, NULL, 0} +}; + +void +usage (int status) +{ + if (status != EXIT_SUCCESS) + fprintf (stderr, _("Try `%s --help' for more information.\n"), + program_name); + else + { + printf (_("Usage: %s [OPTION] DIRECTORY...\n"), program_name); + fputs (_("\ +Create the DIRECTORY(ies), if they do not already exist.\n\ +\n\ +"), stdout); + fputs (_("\ +Mandatory arguments to long options are mandatory for short options too.\n\ +"), stdout); + fputs (_("\ + -m, --mode=MODE set file mode (as in chmod), not a=rwx - umask\n\ + -p, --parents no error if existing, make parent directories as needed\n\ + -v, --verbose print a message for each created directory\n\ +"), stdout); + fputs (HELP_OPTION_DESCRIPTION, stdout); + fputs (VERSION_OPTION_DESCRIPTION, stdout); + printf (_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT); + } + exit (status); +} + +/* Options passed to subsidiary functions. */ +struct mkdir_options +{ + /* Function to make an ancestor, or NULL if ancestors should not be + made. */ + int (*make_ancestor_function) (char const *, char const *, void *); + + /* Mode for ancestor directory. */ + mode_t ancestor_mode; + + /* Mode for directory itself. */ + mode_t mode; + + /* File mode bits affected by MODE. */ + mode_t mode_bits; + + /* If not null, format to use when reporting newly made directories. */ + char const *created_directory_format; +}; + +/* Report that directory DIR was made, if OPTIONS requests this. */ +static void +announce_mkdir (char const *dir, void *options) +{ + struct mkdir_options const *o = options; + if (o->created_directory_format) + error (0, 0, o->created_directory_format, quote (dir)); +} + +/* Make ancestor directory DIR, whose last component is COMPONENT, + with options OPTIONS. Assume the working directory is COMPONENT's + parent. Return 0 if successful and the resulting directory is + readable, 1 if successful but the resulting directory is not + readable, -1 (setting errno) otherwise. */ +static int +make_ancestor (char const *dir, char const *component, void *options) +{ + struct mkdir_options const *o = options; + int r = mkdir (component, o->ancestor_mode); + if (r == 0) + { + r = ! (o->ancestor_mode & S_IRUSR); + announce_mkdir (dir, options); + } + return r; +} + +/* Process a command-line file name. */ +static int +process_dir (char *dir, struct savewd *wd, void *options) +{ + struct mkdir_options const *o = options; + return (make_dir_parents (dir, wd, o->make_ancestor_function, options, + o->mode, announce_mkdir, + o->mode_bits, (uid_t) -1, (gid_t) -1, true) + ? EXIT_SUCCESS + : EXIT_FAILURE); +} + +int +main (int argc, char **argv) +{ + const char *specified_mode = NULL; + int optc; + struct mkdir_options options; + options.make_ancestor_function = NULL; + options.mode = S_IRWXUGO; + options.mode_bits = 0; + options.created_directory_format = NULL; + + initialize_main (&argc, &argv); + program_name = argv[0]; + setlocale (LC_ALL, ""); + bindtextdomain (PACKAGE, LOCALEDIR); + textdomain (PACKAGE); + + atexit (close_stdout); + + while ((optc = getopt_long (argc, argv, "pm:v", longopts, NULL)) != -1) + { + switch (optc) + { + case 'p': + options.make_ancestor_function = make_ancestor; + break; + case 'm': + specified_mode = optarg; + break; + case 'v': /* --verbose */ + options.created_directory_format = _("created directory %s"); + break; + case_GETOPT_HELP_CHAR; + case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS); + default: + usage (EXIT_FAILURE); + } + } + + if (optind == argc) + { + error (0, 0, _("missing operand")); + usage (EXIT_FAILURE); + } + + if (options.make_ancestor_function || specified_mode) + { + mode_t umask_value = umask (0); + + options.ancestor_mode = (S_IRWXUGO & ~umask_value) | (S_IWUSR | S_IXUSR); + + if (specified_mode) + { + struct mode_change *change = mode_compile (specified_mode); + if (!change) + error (EXIT_FAILURE, 0, _("invalid mode %s"), + quote (specified_mode)); + options.mode = mode_adjust (S_IRWXUGO, true, umask_value, change, + &options.mode_bits); + free (change); + } + else + options.mode = S_IRWXUGO & ~umask_value; + } + + exit (savewd_process_files (argc - optind, argv + optind, + process_dir, &options)); +} |