ladybird/Userland/rm.cpp
2020-11-17 09:40:03 +01:00

102 lines
3.4 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <AK/Vector.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/DirIterator.h>
#include <dirent.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
static int remove(bool recursive, bool force, String path)
{
struct stat path_stat;
if (lstat(path.characters(), &path_stat) < 0) {
if (!force)
perror("lstat");
return force ? 0 : 1;
}
if (S_ISDIR(path_stat.st_mode) && recursive) {
auto di = Core::DirIterator(path, Core::DirIterator::SkipParentAndBaseDir);
if (di.has_error()) {
if (!force)
fprintf(stderr, "DirIterator: %s\n", di.error_string());
return 1;
}
while (di.has_next()) {
int s = remove(true, force, di.next_full_path());
if (s != 0 && !force)
return s;
}
int s = rmdir(path.characters());
if (s < 0 && !force) {
perror("rmdir");
return 1;
}
} else {
int rc = unlink(path.characters());
if (rc < 0 && !force) {
perror("unlink");
return 1;
}
}
return 0;
}
int main(int argc, char** argv)
{
if (pledge("stdio rpath cpath", nullptr) < 0) {
perror("pledge");
return 1;
}
bool recursive = false;
bool force = false;
bool verbose = false;
Vector<const char*> paths;
Core::ArgsParser args_parser;
args_parser.add_option(recursive, "Delete directories recursively", "recursive", 'r');
args_parser.add_option(force, "Force", "force", 'f');
args_parser.add_option(verbose, "Verbose", "verbose", 'v');
args_parser.add_positional_argument(paths, "Path(s) to remove", "path");
args_parser.parse(argc, argv);
int rc = 0;
for (auto& path : paths) {
rc |= remove(recursive, force, path);
if (verbose && rc == 0)
printf("removed '%s'\n", path);
}
return rc;
}