sbase

suckless unix tools
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commit d0c87f6d3e3b0d13d8599d02d4a8a5509ee1eaab
parent 0ed2a550037fdd96af7756639cf3210a20deb852
Author: sin <sin@2f30.org>
Date:   Thu Aug 15 10:04:38 +0100

Add stat(1)

Diffstat:
Makefile | 1+
stat.1 | 17+++++++++++++++++
stat.c | 73+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 91 insertions(+), 0 deletions(-)
diff --git a/Makefile b/Makefile @@ -86,6 +86,7 @@ SRC = \ sha1sum.c \ sha256sum.c\ sha512sum.c\ + stat.c \ wc.c \ who.c \ yes.c diff --git a/stat.1 b/stat.1 @@ -0,0 +1,17 @@ +.TH STAT 1 sbase\-VERSION +.SH NAME +stat \- display file status +.SH SYNOPSIS +.B stat +.RB [ \-L ] +.RI [ file ...] +.SH DESCRIPTION +.B stat +displays information about the given files or stdin if no files +are specified. +.SH OPTIONS +.TP +.B \-L +follow links +.SH SEE ALSO +.IR stat (2) diff --git a/stat.c b/stat.c @@ -0,0 +1,73 @@ +/* See LICENSE file for copyright and license details. */ +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> +#include <inttypes.h> +#include <stdio.h> +#include <time.h> +#include "util.h" + +static void show_stat(const char *file, struct stat *st); + +static void +usage(void) +{ + eprintf("usage: %s [-L] [file...]\n", argv0); +} + +int +main(int argc, char *argv[]) +{ + struct stat st; + int i, ret = 0; + int Lflag = 0; + int (*fn)(const char *, struct stat *); + + ARGBEGIN { + case 'L': + Lflag = 1; + 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++) { + fn = Lflag ? stat : lstat; + if (fn(argv[i], &st) == -1) { + fprintf(stderr, "%s %s: ", Lflag ? "stat" : "lstat", + argv[i]); + perror(NULL); + ret = 1; + continue; + } + show_stat(argv[i], &st); + } + + return ret; +} + +static void +show_stat(const char *file, struct stat *st) +{ + char buf[100]; + + printf(" File: ā€˜%sā€™\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); +}