Make stat(1) work with stdin as well.
Implement show_stat().
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parent
211f13ae95
commit
a7dc139c35
59
stat.c
59
stat.c
@ -1,11 +1,15 @@
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/* See LICENSE file for copyright and license details. */
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/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include <inttypes.h>
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#include <time.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <time.h>
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#include "util.h"
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#include "util.h"
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static void show_stat(const char *file, struct stat *st);
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static void
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static void
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usage(void)
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usage(void)
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{
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{
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@ -16,40 +20,47 @@ int
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main(int argc, char *argv[])
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main(int argc, char *argv[])
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{
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{
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struct stat st;
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struct stat st;
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char buf[100];
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int i, ret = 0;
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int i, r, ret = 0;
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ARGBEGIN {
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ARGBEGIN {
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default:
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default:
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usage();
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usage();
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} ARGEND;
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} ARGEND;
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if (argc < 1)
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if (argc == 0) {
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usage();
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if (fstat(STDIN_FILENO, &st) < 0)
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eprintf("stat <stdin>:");
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show_stat("<stdin>", &st);
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}
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for (i = 0; i < argc; i++) {
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for (i = 0; i < argc; i++) {
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r = stat(argv[i], &st);
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if (stat(argv[i], &st) == -1) {
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if (r == -1) {
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fprintf(stderr, "stat %s: ", argv[i]);
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fprintf(stderr, "stat '%s': ", argv[i]);
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perror(NULL);
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perror(NULL);
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ret = 1;
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ret = 1;
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continue;
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continue;
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}
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}
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show_stat(argv[i], &st);
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printf(" File: ‘%s’\n", argv[i]);
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printf(" Size: %ju\tBlocks: %ju\tIO Block: %ju\n", (uintmax_t)st.st_size,
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(uintmax_t)st.st_blocks, (uintmax_t)st.st_blksize);
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printf("Device: %xh/%ud\tInode: %ju\tLinks %ju\n", major(st.st_dev),
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minor(st.st_dev), (uintmax_t)st.st_ino, (uintmax_t)st.st_nlink);
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printf("Access: %04o\tUid: %u\tGid: %u\n", st.st_mode & 0777, st.st_uid, st.st_gid);
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strftime(buf, sizeof(buf), "%F %T %z", localtime(&st.st_atime));
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printf("Access: %s\n", buf);
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strftime(buf, sizeof(buf), "%F %T %z", localtime(&st.st_mtime));
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printf("Modify: %s\n", buf);
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strftime(buf, sizeof(buf), "%F %T %z", localtime(&st.st_ctime));
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printf("Change: %s\n", buf);
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}
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}
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return ret;
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return ret;
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}
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}
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static void
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show_stat(const char *file, struct stat *st)
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{
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char buf[100];
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printf(" File: ‘%s’\n", file);
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printf(" Size: %ju\tBlocks: %ju\tIO Block: %ju\n", (uintmax_t)st->st_size,
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(uintmax_t)st->st_blocks, (uintmax_t)st->st_blksize);
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printf("Device: %xh/%ud\tInode: %ju\tLinks %ju\n", major(st->st_dev),
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minor(st->st_dev), (uintmax_t)st->st_ino, (uintmax_t)st->st_nlink);
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printf("Access: %04o\tUid: %u\tGid: %u\n", st->st_mode & 0777, st->st_uid, st->st_gid);
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strftime(buf, sizeof(buf), "%F %T %z", localtime(&st->st_atime));
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printf("Access: %s\n", buf);
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strftime(buf, sizeof(buf), "%F %T %z", localtime(&st->st_mtime));
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printf("Modify: %s\n", buf);
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strftime(buf, sizeof(buf), "%F %T %z", localtime(&st->st_ctime));
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printf("Change: %s\n", buf);
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}
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