ubase/stat.c
2014-06-30 19:04:47 +01:00

96 lines
2.5 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* See LICENSE file for copyright and license details. */
#include <sys/stat.h>
#include <sys/types.h>
#include <errno.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "util.h"
static void show_stat(const char *file, struct stat *st);
static void show_stat_terse(const char *file, struct stat *st);
static void
usage(void)
{
eprintf("usage: %s [-L] [-t] [file...]\n", argv0);
}
int
main(int argc, char *argv[])
{
struct stat st;
int i, ret = EXIT_SUCCESS;
int (*fn)(const char *, struct stat *) = lstat;
char *fnname = "lstat";
void (*showstat)(const char *, struct stat *) = show_stat;
ARGBEGIN {
case 'L':
fn = stat;
fnname = "stat";
break;
case 't':
showstat = show_stat_terse;
break;
default:
usage();
} ARGEND;
if (argc == 0) {
if (fstat(STDIN_FILENO, &st) < 0)
eprintf("stat <stdin>:");
show_stat("<stdin>", &st);
}
for (i = 0; i < argc; i++) {
if (fn(argv[i], &st) == -1) {
fprintf(stderr, "%s %s: %s\n", fnname,
argv[i], strerror(errno));
ret = EXIT_FAILURE;
continue;
}
showstat(argv[i], &st);
}
return ret;
}
static void
show_stat_terse(const char *file, struct stat *st)
{
printf("%s ", file);
printf("%lu %lu ", (unsigned long)st->st_size,
(unsigned long)st->st_blocks);
printf("%04o %u %u ", st->st_mode & 0777, st->st_uid, st->st_gid);
printf("%llx ", (unsigned long long)st->st_dev);
printf("%lu %lu ", (unsigned long)st->st_ino, (unsigned long)st->st_nlink);
printf("%d %d ", major(st->st_rdev), minor(st->st_rdev));
printf("%ld %ld %ld ", st->st_atime, st->st_mtime, st->st_ctime);
printf("%lu\n", (unsigned long)st->st_blksize);
}
static void
show_stat(const char *file, struct stat *st)
{
char buf[100];
printf(" File: %s\n", file);
printf(" Size: %lu\tBlocks: %lu\tIO Block: %lu\n", (unsigned long)st->st_size,
(unsigned long)st->st_blocks, (unsigned long)st->st_blksize);
printf("Device: %xh/%ud\tInode: %lu\tLinks %lu\n", major(st->st_dev),
minor(st->st_dev), (unsigned long)st->st_ino, (unsigned long)st->st_nlink);
printf("Access: %04o\tUid: %u\tGid: %u\n", st->st_mode & 0777, st->st_uid, st->st_gid);
strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", localtime(&st->st_atime));
printf("Access: %s\n", buf);
strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", localtime(&st->st_mtime));
printf("Modify: %s\n", buf);
strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", localtime(&st->st_ctime));
printf("Change: %s\n", buf);
}