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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>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#else
extern int optind;
extern char *optarg;
#endif
#include "debugfs.h"
/*
* list directory
*/
#define LONG_OPT 0x0001
#define DELETED_OPT 0x0002
#define PARSE_OPT 0x0004
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 int list_dir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
int entry,
struct ext2_dir_entry *dirent,
int offset EXT2FS_ATTR((unused)),
int blocksize EXT2FS_ATTR((unused)),
char *buf EXT2FS_ATTR((unused)),
void *private)
{
struct ext2_inode inode;
ext2_ino_t ino;
struct tm *tm_p;
time_t modtime;
char name[EXT2_NAME_LEN + 1];
char tmp[EXT2_NAME_LEN + 16];
char datestr[80];
char lbr, rbr;
int thislen;
struct list_dir_struct *ls = (struct list_dir_struct *) private;
thislen = dirent->name_len & 0xFF;
strncpy(name, dirent->name, thislen);
name[thislen] = '\0';
ino = dirent->inode;
if (entry == DIRENT_DELETED_FILE) {
lbr = '<';
rbr = '>';
ino = 0;
} else {
lbr = rbr = ' ';
}
if (ls->options & PARSE_OPT) {
if (ino) {
if (debugfs_read_inode(ino, &inode, name))
return 0;
} else
memset(&inode, 0, sizeof(struct ext2_inode));
fprintf(ls->f,"/%u/%06o/%d/%d/%s/",ino,inode.i_mode,inode.i_uid, inode.i_gid,name);
if (LINUX_S_ISDIR(inode.i_mode))
fprintf(ls->f, "/");
else
fprintf(ls->f, "%lld/", EXT2_I_SIZE(&inode));
fprintf(ls->f, "\n");
} else if (ls->options & LONG_OPT) {
if (ino) {
if (debugfs_read_inode(ino, &inode, name))
return 0;
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);
} else {
strcpy(datestr, " ");
memset(&inode, 0, sizeof(struct ext2_inode));
}
fprintf(ls->f, "%c%6u%c %6o (%d) %5d %5d ", lbr, ino, rbr,
inode.i_mode, dirent->name_len >> 8,
inode_uid(inode), inode_gid(inode));
if (LINUX_S_ISDIR(inode.i_mode))
fprintf(ls->f, "%5d", inode.i_size);
else
fprintf(ls->f, "%5llu", EXT2_I_SIZE(&inode));
fprintf (ls->f, " %s %s\n", datestr, name);
} else {
sprintf(tmp, "%c%u%c (%d) %s ", lbr, dirent->inode, rbr,
dirent->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;
}
return 0;
}
void do_list_dir(int argc, char *argv[])
{
ext2_ino_t inode;
int retval;
int c;
int flags;
struct list_dir_struct ls;
ls.options = 0;
if (check_fs_open(argv[0]))
return;
reset_getopt();
while ((c = getopt (argc, argv, "dlp")) != EOF) {
switch (c) {
case 'l':
ls.options |= LONG_OPT;
break;
case 'd':
ls.options |= DELETED_OPT;
break;
case 'p':
ls.options |= PARSE_OPT;
break;
default:
goto print_usage;
}
}
if (argc > optind+1) {
print_usage:
com_err(0, 0, "Usage: ls [-l] [-d] [-p] file");
return;
}
if (argc == optind)
inode = cwd;
else
inode = string_to_inode(argv[optind]);
if (!inode)
return;
ls.f = open_pager();
ls.col = 0;
flags = DIRENT_FLAG_INCLUDE_EMPTY;
if (ls.options & DELETED_OPT)
flags |= DIRENT_FLAG_INCLUDE_REMOVED;
retval = ext2fs_dir_iterate2(current_fs, inode, flags,
0, list_dir_proc, &ls);
fprintf(ls.f, "\n");
close_pager(ls.f);
if (retval)
com_err(argv[1], retval, 0);
return;
}
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