| /* |
| * 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-%2d %02d:%02d", |
| tm_p->tm_mday, monstr[tm_p->tm_mon], tm_p->tm_year, |
| tm_p->tm_hour, tm_p->tm_min); |
| fprintf(ls->f, "%6ld %6o %5d %5d %5d %s %s\n", ino, inode.i_mode, |
| inode.i_uid, inode.i_gid, inode.i_size, 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 < EXT2_NAME_LEN) ? dirent->name_len : |
| 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; |
| } |
| |
| |