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d76987be96
It's technically not specified by POSIX, but it appears most Unix-like systems worth mentioning put those definitions there. Also, it's more logical since the dev_t type is defined there.
116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2020, Shannon Booth <shannon.ml.booth@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/String.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/DateTime.h>
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#include <grp.h>
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#include <inttypes.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <time.h>
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#include <unistd.h>
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static int stat(const char* file, bool should_follow_links)
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{
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struct stat st;
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int rc = should_follow_links ? stat(file, &st) : lstat(file, &st);
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if (rc < 0) {
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perror("lstat");
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return 1;
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}
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printf(" File: %s\n", file);
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printf(" Inode: %u\n", st.st_ino);
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if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode))
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printf(" Device: %u,%u\n", major(st.st_rdev), minor(st.st_rdev));
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else
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printf(" Size: %" PRIi64 "\n", st.st_size);
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printf(" Links: %u\n", st.st_nlink);
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printf(" Blocks: %u\n", st.st_blocks);
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printf(" UID: %u", st.st_uid);
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if (auto* pwd = getpwuid(st.st_uid)) {
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printf(" (%s)", pwd->pw_name);
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}
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printf("\n");
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printf(" GID: %u", st.st_gid);
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if (auto* grp = getgrgid(st.st_gid)) {
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printf(" (%s)", grp->gr_name);
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}
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printf("\n");
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printf(" Mode: (%o/", st.st_mode);
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if (S_ISDIR(st.st_mode))
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printf("d");
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else if (S_ISLNK(st.st_mode))
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printf("l");
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else if (S_ISBLK(st.st_mode))
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printf("b");
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else if (S_ISCHR(st.st_mode))
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printf("c");
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else if (S_ISFIFO(st.st_mode))
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printf("f");
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else if (S_ISSOCK(st.st_mode))
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printf("s");
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else if (S_ISREG(st.st_mode))
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printf("-");
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else
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printf("?");
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printf("%c%c%c%c%c%c%c%c",
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st.st_mode & S_IRUSR ? 'r' : '-',
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st.st_mode & S_IWUSR ? 'w' : '-',
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st.st_mode & S_ISUID ? 's' : (st.st_mode & S_IXUSR ? 'x' : '-'),
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st.st_mode & S_IRGRP ? 'r' : '-',
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st.st_mode & S_IWGRP ? 'w' : '-',
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st.st_mode & S_ISGID ? 's' : (st.st_mode & S_IXGRP ? 'x' : '-'),
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st.st_mode & S_IROTH ? 'r' : '-',
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st.st_mode & S_IWOTH ? 'w' : '-');
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if (st.st_mode & S_ISVTX)
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printf("t");
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else
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printf("%c", st.st_mode & S_IXOTH ? 'x' : '-');
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printf(")\n");
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auto print_time = [](time_t t) {
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printf("%s\n", Core::DateTime::from_timestamp(t).to_string().characters());
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};
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printf("Accessed: ");
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print_time(st.st_atime);
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printf("Modified: ");
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print_time(st.st_mtime);
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printf(" Changed: ");
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print_time(st.st_ctime);
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return 0;
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}
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int main(int argc, char** argv)
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{
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if (pledge("stdio rpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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bool should_follow_links = false;
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Vector<const char*> files;
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auto args_parser = Core::ArgsParser();
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args_parser.add_option(should_follow_links, "Follow links to files", nullptr, 'L');
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args_parser.add_positional_argument(files, "File(s) to stat", "file", Core::ArgsParser::Required::Yes);
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args_parser.parse(argc, argv);
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int ret = 0;
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for (auto& file : files)
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ret |= stat(file, should_follow_links);
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return ret;
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}
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