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Make stat(1) work with stdin as well.

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Implement show_stat().
This commit is contained in:
sin 2013-08-12 09:52:43 +01:00
parent 211f13ae95
commit a7dc139c35
1 changed files with 35 additions and 24 deletions
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59
stat.c
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@ -1,11 +1,15 @@
/* See LICENSE file for copyright and license details. */ /* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <inttypes.h>
#include <time.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/types.h> #include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include <inttypes.h>
#include <stdio.h>
#include <time.h>
#include "util.h" #include "util.h"
static void show_stat(const char *file, struct stat *st);
static void static void
usage(void) usage(void)
{ {
@ -16,40 +20,47 @@ int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
struct stat st; struct stat st;
char buf[100]; int i, ret = 0;
int i, r, ret = 0;
ARGBEGIN { ARGBEGIN {
default: default:
usage(); usage();
} ARGEND; } ARGEND;
if (argc < 1) if (argc == 0) {
usage(); if (fstat(STDIN_FILENO, &st) < 0)
eprintf("stat <stdin>:");
show_stat("<stdin>", &st);
}
for (i = 0; i < argc; i++) { for (i = 0; i < argc; i++) {
r = stat(argv[i], &st); if (stat(argv[i], &st) == -1) {
if (r == -1) { fprintf(stderr, "stat %s: ", argv[i]);
fprintf(stderr, "stat '%s': ", argv[i]);
perror(NULL); perror(NULL);
ret = 1; ret = 1;
continue; continue;
} }
show_stat(argv[i], &st);
printf(" File: ‘%s’\n", argv[i]);
printf(" Size: %ju\tBlocks: %ju\tIO Block: %ju\n", (uintmax_t)st.st_size,
(uintmax_t)st.st_blocks, (uintmax_t)st.st_blksize);
printf("Device: %xh/%ud\tInode: %ju\tLinks %ju\n", major(st.st_dev),
minor(st.st_dev), (uintmax_t)st.st_ino, (uintmax_t)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), "%F %T %z", localtime(&st.st_atime));
printf("Access: %s\n", buf);
strftime(buf, sizeof(buf), "%F %T %z", localtime(&st.st_mtime));
printf("Modify: %s\n", buf);
strftime(buf, sizeof(buf), "%F %T %z", localtime(&st.st_ctime));
printf("Change: %s\n", buf);
} }
return ret; return ret;
} }
static void
show_stat(const char *file, struct stat *st)
{
char buf[100];
printf(" File: ‘%s’\n", file);
printf(" Size: %ju\tBlocks: %ju\tIO Block: %ju\n", (uintmax_t)st->st_size,
(uintmax_t)st->st_blocks, (uintmax_t)st->st_blksize);
printf("Device: %xh/%ud\tInode: %ju\tLinks %ju\n", major(st->st_dev),
minor(st->st_dev), (uintmax_t)st->st_ino, (uintmax_t)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), "%F %T %z", localtime(&st->st_atime));
printf("Access: %s\n", buf);
strftime(buf, sizeof(buf), "%F %T %z", localtime(&st->st_mtime));
printf("Modify: %s\n", buf);
strftime(buf, sizeof(buf), "%F %T %z", localtime(&st->st_ctime));
printf("Change: %s\n", buf);
}