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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCore/ArgsParser.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <utime.h>
static bool file_exists(const char* path)
{
struct stat st;
int rc = stat(path, &st);
if (rc < 0) {
if (errno == ENOENT)
return false;
}
if (rc == 0) {
return true;
}
perror("stat");
exit(1);
}
int main(int argc, char** argv)
{
if (pledge("stdio rpath cpath fattr", nullptr)) {
perror("pledge");
return 1;
}
Vector<const char*> paths;
Core::ArgsParser args_parser;
args_parser.set_general_help("Create a file, or update its mtime (time of last modification).");
args_parser.add_positional_argument(paths, "Files to touch", "path", Core::ArgsParser::Required::Yes);
args_parser.parse(argc, argv);
for (auto path : paths) {
if (file_exists(path)) {
int rc = utime(path, nullptr);
if (rc < 0)
perror("utime");
} else {
int fd = open(path, O_CREAT, 0100644);
if (fd < 0) {
perror("open");
return 1;
}
int rc = close(fd);
if (rc < 0) {
perror("close");
return 1;
}
}
}
return 0;
}
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