stat.c - ubase - suckless linux base utils
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       ---
       stat.c (2338B)
       ---
            1 /* See LICENSE file for copyright and license details. */
            2 #include <sys/stat.h>
            3 #include <sys/sysmacros.h>
            4 #include <sys/types.h>
            5 
            6 #include <inttypes.h>
            7 #include <stdio.h>
            8 #include <stdlib.h>
            9 #include <time.h>
           10 #include <unistd.h>
           11 
           12 #include "util.h"
           13 
           14 static void
           15 show_stat_terse(const char *file, struct stat *st)
           16 {
           17         printf("%s ", file);
           18         printf("%lu %lu ", (unsigned long)st->st_size,
           19                (unsigned long)st->st_blocks);
           20         printf("%04o %u %u ", st->st_mode & 0777, st->st_uid, st->st_gid);
           21         printf("%llx ", (unsigned long long)st->st_dev);
           22         printf("%lu %lu ", (unsigned long)st->st_ino, (unsigned long)st->st_nlink);
           23         printf("%d %d ", major(st->st_rdev), minor(st->st_rdev));
           24         printf("%ld %ld %ld ", st->st_atime, st->st_mtime, st->st_ctime);
           25         printf("%lu\n", (unsigned long)st->st_blksize);
           26 }
           27 
           28 static void
           29 show_stat(const char *file, struct stat *st)
           30 {
           31         char buf[100];
           32 
           33         printf("  File: ‘%s’\n", file);
           34         printf("  Size: %lu\tBlocks: %lu\tIO Block: %lu\n", (unsigned long)st->st_size,
           35                (unsigned long)st->st_blocks, (unsigned long)st->st_blksize);
           36         printf("Device: %xh/%ud\tInode: %lu\tLinks %lu\n", major(st->st_dev),
           37                minor(st->st_dev), (unsigned long)st->st_ino, (unsigned long)st->st_nlink);
           38         printf("Access: %04o\tUid: %u\tGid: %u\n", st->st_mode & 0777, st->st_uid, st->st_gid);
           39         strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", localtime(&st->st_atime));
           40         printf("Access: %s\n", buf);
           41         strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", localtime(&st->st_mtime));
           42         printf("Modify: %s\n", buf);
           43         strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", localtime(&st->st_ctime));
           44         printf("Change: %s\n", buf);
           45 }
           46 
           47 static void
           48 usage(void)
           49 {
           50         eprintf("usage: %s [-L] [-t] [file...]\n", argv0);
           51 }
           52 
           53 int
           54 main(int argc, char *argv[])
           55 {
           56         struct stat st;
           57         int i, ret = 0;
           58         int (*fn)(const char *, struct stat *) = lstat;
           59         char *fnname = "lstat";
           60         void (*showstat)(const char *, struct stat *) = show_stat;
           61 
           62         ARGBEGIN {
           63         case 'L':
           64                 fn = stat;
           65                 fnname = "stat";
           66                 break;
           67         case 't':
           68                 showstat = show_stat_terse;
           69                 break;
           70         default:
           71                 usage();
           72         } ARGEND;
           73 
           74         if (argc == 0) {
           75                 if (fstat(0, &st) < 0)
           76                         eprintf("stat <stdin>:");
           77                 show_stat("<stdin>", &st);
           78         }
           79 
           80         for (i = 0; i < argc; i++) {
           81                 if (fn(argv[i], &st) == -1) {
           82                         weprintf("%s %s:", fnname, argv[i]);
           83                         ret = 1;
           84                         continue;
           85                 }
           86                 showstat(argv[i], &st);
           87         }
           88 
           89         return ret;
           90