blob: b2392046647e395ed0ea14a3c36be01a124c52c9
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * dblist_dir.c --- iterate by directory entry |
4 | * |
5 | * Copyright 1997 by Theodore Ts'o |
6 | * |
7 | * %Begin-Header% |
8 | * This file may be redistributed under the terms of the GNU Public |
9 | * License. |
10 | * %End-Header% |
11 | * |
12 | */ |
13 | |
14 | #include <stdio.h> |
15 | #if HAVE_UNISTD_H |
16 | #include <unistd.h> |
17 | #endif |
18 | #include <string.h> |
19 | #include <time.h> |
20 | |
21 | #include "ext2_fs.h" |
22 | #include "ext2fsP.h" |
23 | |
24 | static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info, |
25 | void *priv_data); |
26 | |
27 | errcode_t ext2fs_dblist_dir_iterate(ext2_dblist dblist, |
28 | int flags, |
29 | char *block_buf, |
30 | int (*func)(ext2_ino_t dir, |
31 | int entry, |
32 | struct ext2_dir_entry *dirent, |
33 | int offset, |
34 | int blocksize, |
35 | char *buf, |
36 | void *priv_data), |
37 | void *priv_data) |
38 | { |
39 | errcode_t retval; |
40 | struct dir_context ctx; |
41 | |
42 | EXT2_CHECK_MAGIC(dblist, EXT2_ET_MAGIC_DBLIST); |
43 | |
44 | ctx.dir = 0; |
45 | ctx.flags = flags; |
46 | if (block_buf) |
47 | ctx.buf = block_buf; |
48 | else { |
49 | retval = ext2fs_get_mem(dblist->fs->blocksize, &ctx.buf); |
50 | if (retval) |
51 | return retval; |
52 | } |
53 | ctx.func = func; |
54 | ctx.priv_data = priv_data; |
55 | ctx.errcode = 0; |
56 | |
57 | retval = ext2fs_dblist_iterate(dblist, db_dir_proc, &ctx); |
58 | |
59 | if (!block_buf) |
60 | ext2fs_free_mem(&ctx.buf); |
61 | if (retval) |
62 | return retval; |
63 | return ctx.errcode; |
64 | } |
65 | |
66 | static int db_dir_proc(ext2_filsys fs, struct ext2_db_entry *db_info, |
67 | void *priv_data) |
68 | { |
69 | struct dir_context *ctx; |
70 | |
71 | ctx = (struct dir_context *) priv_data; |
72 | ctx->dir = db_info->ino; |
73 | |
74 | return ext2fs_process_dir_block(fs, &db_info->blk, |
75 | db_info->blockcnt, 0, 0, priv_data); |
76 | } |
77 |