Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * ls.c --- list directories |
| 3 | * |
| 4 | * Copyright (C) 1997 Theodore Ts'o. This file may be redistributed |
| 5 | * under the terms of the GNU Public License. |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | #include <unistd.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <ctype.h> |
| 12 | #include <string.h> |
| 13 | #include <time.h> |
| 14 | #ifdef HAVE_ERRNO_H |
| 15 | #include <errno.h> |
| 16 | #endif |
| 17 | #include <sys/types.h> |
| 18 | |
| 19 | #include "debugfs.h" |
| 20 | |
| 21 | /* |
| 22 | * list directory |
| 23 | */ |
| 24 | |
| 25 | #define LONG_OPT 0x0001 |
| 26 | |
| 27 | struct list_dir_struct { |
| 28 | FILE *f; |
| 29 | int col; |
| 30 | int options; |
| 31 | }; |
| 32 | |
| 33 | static const char *monstr[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
| 34 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; |
| 35 | |
| 36 | static void ls_l_file(struct list_dir_struct *ls, char *name, ino_t ino) |
| 37 | { |
| 38 | struct ext2_inode inode; |
| 39 | errcode_t retval; |
| 40 | struct tm *tm_p; |
| 41 | time_t modtime; |
| 42 | char datestr[80]; |
| 43 | |
| 44 | retval = ext2fs_read_inode(current_fs, ino, &inode); |
| 45 | if (retval) { |
Theodore Ts'o | f130481 | 1997-10-25 03:51:53 +0000 | [diff] [blame] | 46 | fprintf(ls->f, "%5ld --- error --- %s\n", retval, name); |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 47 | return; |
| 48 | } |
| 49 | modtime = inode.i_mtime; |
| 50 | tm_p = localtime(&modtime); |
Theodore Ts'o | 2e8d40d | 2000-05-27 15:15:40 +0000 | [diff] [blame] | 51 | sprintf(datestr, "%2d-%s-%4d %02d:%02d", |
| 52 | tm_p->tm_mday, monstr[tm_p->tm_mon], 1900 + tm_p->tm_year, |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 53 | tm_p->tm_hour, tm_p->tm_min); |
Theodore Ts'o | 36a43d6 | 1998-03-24 16:17:51 +0000 | [diff] [blame] | 54 | fprintf(ls->f, "%6ld %6o %5d %5d ", ino, inode.i_mode, |
| 55 | inode.i_uid, inode.i_gid); |
| 56 | if (LINUX_S_ISDIR(inode.i_mode)) |
| 57 | fprintf(ls->f, "%5d", inode.i_size); |
| 58 | else |
| 59 | fprintf(ls->f, "%5lld", inode.i_size | |
| 60 | ((__u64)inode.i_size_high << 32)); |
| 61 | fprintf (ls->f, " %s %s\n", datestr, name); |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | static void ls_file(struct list_dir_struct *ls, char *name, |
| 65 | ino_t ino, int rec_len) |
| 66 | { |
| 67 | char tmp[EXT2_NAME_LEN + 16]; |
| 68 | int thislen; |
| 69 | |
Theodore Ts'o | f130481 | 1997-10-25 03:51:53 +0000 | [diff] [blame] | 70 | sprintf(tmp, "%ld (%d) %s ", ino, rec_len, name); |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 71 | thislen = strlen(tmp); |
| 72 | |
| 73 | if (ls->col + thislen > 80) { |
| 74 | fprintf(ls->f, "\n"); |
| 75 | ls->col = 0; |
| 76 | } |
| 77 | fprintf(ls->f, "%s", tmp); |
| 78 | ls->col += thislen; |
| 79 | } |
| 80 | |
| 81 | |
| 82 | static int list_dir_proc(struct ext2_dir_entry *dirent, |
| 83 | int offset, |
| 84 | int blocksize, |
| 85 | char *buf, |
| 86 | void *private) |
| 87 | { |
| 88 | char name[EXT2_NAME_LEN]; |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 89 | |
| 90 | struct list_dir_struct *ls = (struct list_dir_struct *) private; |
| 91 | int thislen; |
| 92 | |
Theodore Ts'o | cce382b | 1998-03-09 13:07:09 +0000 | [diff] [blame] | 93 | thislen = ((dirent->name_len & 0xFF) < EXT2_NAME_LEN) ? |
| 94 | (dirent->name_len & 0xFF) : EXT2_NAME_LEN; |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 95 | strncpy(name, dirent->name, thislen); |
| 96 | name[thislen] = '\0'; |
| 97 | |
| 98 | if (ls->options & LONG_OPT) |
| 99 | ls_l_file(ls, name, dirent->inode); |
| 100 | else |
| 101 | ls_file(ls, name, dirent->inode, dirent->rec_len); |
| 102 | |
| 103 | return 0; |
| 104 | } |
| 105 | |
| 106 | void do_list_dir(int argc, char *argv[]) |
| 107 | { |
| 108 | ino_t inode; |
| 109 | int retval; |
| 110 | struct list_dir_struct ls; |
| 111 | int argptr = 1; |
| 112 | |
| 113 | ls.options = 0; |
| 114 | if (check_fs_open(argv[0])) |
| 115 | return; |
| 116 | |
| 117 | if ((argc > argptr) && (argv[argptr][0] == '-')) { |
| 118 | argptr++; |
| 119 | ls.options = LONG_OPT; |
| 120 | } |
| 121 | |
| 122 | if (argc <= argptr) |
| 123 | inode = cwd; |
| 124 | else |
| 125 | inode = string_to_inode(argv[argptr]); |
| 126 | if (!inode) |
| 127 | return; |
| 128 | |
| 129 | ls.f = open_pager(); |
| 130 | ls.col = 0; |
| 131 | retval = ext2fs_dir_iterate(current_fs, inode, |
| 132 | DIRENT_FLAG_INCLUDE_EMPTY, |
| 133 | 0, list_dir_proc, &ls); |
| 134 | fprintf(ls.f, "\n"); |
| 135 | close_pager(ls.f); |
| 136 | if (retval) |
| 137 | com_err(argv[1], retval, ""); |
| 138 | |
| 139 | return; |
| 140 | } |
| 141 | |
| 142 | |