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/* rmdir -- remove directories
Copyright (C) 1990, 1991 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Options:
-p, --path Remove any parent dirs that are explicitly mentioned
in an argument, if they become empty after the
argument file is removed.
David MacKenzie <djm@ai.mit.edu> */
#include <stdio.h>
#include <getopt.h>
#include <sys/types.h>
#include "system.h"
void remove_parents ();
void error ();
void strip_trailing_slashes ();
void usage ();
/* If nonzero, remove empty parent directories. */
static int empty_paths;
/* The name this program was run with. */
char *program_name;
static struct option longopts[] =
{
{"path", 0, &empty_paths, 1},
{NULL, 0, NULL, 0}
};
void
main (argc, argv)
int argc;
char **argv;
{
int errors = 0;
int optc;
program_name = argv[0];
empty_paths = 0;
while ((optc = getopt_long (argc, argv, "p", longopts, (int *) 0)) != EOF)
{
switch (optc)
{
case 0: /* Long option. */
break;
case 'p':
empty_paths = 1;
break;
default:
usage ();
}
}
if (optind == argc)
usage ();
for (; optind < argc; ++optind)
{
/* Stripping slashes is harmless for rmdir;
if the arg is not a directory, it will fail with ENOTDIR. */
strip_trailing_slashes (argv[optind]);
if (rmdir (argv[optind]) != 0)
{
error (0, errno, "%s", argv[optind]);
errors = 1;
}
else if (empty_paths)
remove_parents (argv[optind]);
}
exit (errors);
}
/* Remove any empty parent directories of `path'.
Replaces '/' characters in `path' with NULs. */
void
remove_parents (path)
char *path;
{
char *slash;
do
{
slash = rindex (path, '/');
if (slash == NULL)
break;
/* Remove any characters after the slash, skipping any extra
slashes in a row. */
while (slash > path && *slash == '/')
--slash;
slash[1] = 0;
}
while (rmdir (path) == 0);
}
void
usage ()
{
fprintf (stderr, "Usage: %s [-p] [--path] dir...\n",
program_name);
exit (1);
}
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