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/*
* ls.c --- list directories
*
* Copyright (C) 1997 Theodore Ts'o. This file may be redistributed
* under the terms of the GNU Public License.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <time.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <sys/types.h>
#include "debugfs.h"
/*
* list directory
*/
#define LONG_OPT 0x0001
struct list_dir_struct {
FILE *f;
int col;
int options;
};
static const char *monstr[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
static void ls_l_file(struct list_dir_struct *ls, char *name, ino_t ino)
{
struct ext2_inode inode;
errcode_t retval;
struct tm *tm_p;
time_t modtime;
char datestr[80];
retval = ext2fs_read_inode(current_fs, ino, &inode);
if (retval) {
fprintf(ls->f, "%5ld --- error --- %s\n", retval, name);
return;
}
modtime = inode.i_mtime;
tm_p = localtime(&modtime);
sprintf(datestr, "%2d-%s-%4d %02d:%02d",
tm_p->tm_mday, monstr[tm_p->tm_mon], 1900 + tm_p->tm_year,
tm_p->tm_hour, tm_p->tm_min);
fprintf(ls->f, "%6ld %6o %5d %5d ", ino, inode.i_mode,
inode.i_uid, inode.i_gid);
if (LINUX_S_ISDIR(inode.i_mode))
fprintf(ls->f, "%5d", inode.i_size);
else
fprintf(ls->f, "%5lld", inode.i_size |
((__u64)inode.i_size_high << 32));
fprintf (ls->f, " %s %s\n", datestr, name);
}
static void ls_file(struct list_dir_struct *ls, char *name,
ino_t ino, int rec_len)
{
char tmp[EXT2_NAME_LEN + 16];
int thislen;
sprintf(tmp, "%ld (%d) %s ", ino, rec_len, name);
thislen = strlen(tmp);
if (ls->col + thislen > 80) {
fprintf(ls->f, "\n");
ls->col = 0;
}
fprintf(ls->f, "%s", tmp);
ls->col += thislen;
}
static int list_dir_proc(struct ext2_dir_entry *dirent,
int offset,
int blocksize,
char *buf,
void *private)
{
char name[EXT2_NAME_LEN];
struct list_dir_struct *ls = (struct list_dir_struct *) private;
int thislen;
thislen = ((dirent->name_len & 0xFF) < EXT2_NAME_LEN) ?
(dirent->name_len & 0xFF) : EXT2_NAME_LEN;
strncpy(name, dirent->name, thislen);
name[thislen] = '\0';
if (ls->options & LONG_OPT)
ls_l_file(ls, name, dirent->inode);
else
ls_file(ls, name, dirent->inode, dirent->rec_len);
return 0;
}
void do_list_dir(int argc, char *argv[])
{
ino_t inode;
int retval;
struct list_dir_struct ls;
int argptr = 1;
ls.options = 0;
if (check_fs_open(argv[0]))
return;
if ((argc > argptr) && (argv[argptr][0] == '-')) {
argptr++;
ls.options = LONG_OPT;
}
if (argc <= argptr)
inode = cwd;
else
inode = string_to_inode(argv[argptr]);
if (!inode)
return;
ls.f = open_pager();
ls.col = 0;
retval = ext2fs_dir_iterate(current_fs, inode,
DIRENT_FLAG_INCLUDE_EMPTY,
0, list_dir_proc, &ls);
fprintf(ls.f, "\n");
close_pager(ls.f);
if (retval)
com_err(argv[1], retval, "");
return;
}
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