diff options
Diffstat (limited to 'e2fsprogs/ext2fs/unlink.c')
-rw-r--r-- | e2fsprogs/ext2fs/unlink.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/e2fsprogs/ext2fs/unlink.c b/e2fsprogs/ext2fs/unlink.c deleted file mode 100644 index 83ac2713e..000000000 --- a/e2fsprogs/ext2fs/unlink.c +++ /dev/null | |||
@@ -1,100 +0,0 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * unlink.c --- delete links in a ext2fs directory | ||
4 | * | ||
5 | * Copyright (C) 1993, 1994, 1997 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 | #include <stdio.h> | ||
14 | #include <string.h> | ||
15 | #if HAVE_UNISTD_H | ||
16 | #include <unistd.h> | ||
17 | #endif | ||
18 | |||
19 | #include "ext2_fs.h" | ||
20 | #include "ext2fs.h" | ||
21 | |||
22 | struct link_struct { | ||
23 | const char *name; | ||
24 | int namelen; | ||
25 | ext2_ino_t inode; | ||
26 | int flags; | ||
27 | struct ext2_dir_entry *prev; | ||
28 | int done; | ||
29 | }; | ||
30 | |||
31 | #ifdef __TURBOC__ | ||
32 | # pragma argsused | ||
33 | #endif | ||
34 | static int unlink_proc(struct ext2_dir_entry *dirent, | ||
35 | int offset EXT2FS_ATTR((unused)), | ||
36 | int blocksize EXT2FS_ATTR((unused)), | ||
37 | char *buf EXT2FS_ATTR((unused)), | ||
38 | void *priv_data) | ||
39 | { | ||
40 | struct link_struct *ls = (struct link_struct *) priv_data; | ||
41 | struct ext2_dir_entry *prev; | ||
42 | |||
43 | prev = ls->prev; | ||
44 | ls->prev = dirent; | ||
45 | |||
46 | if (ls->name) { | ||
47 | if ((dirent->name_len & 0xFF) != ls->namelen) | ||
48 | return 0; | ||
49 | if (strncmp(ls->name, dirent->name, dirent->name_len & 0xFF)) | ||
50 | return 0; | ||
51 | } | ||
52 | if (ls->inode) { | ||
53 | if (dirent->inode != ls->inode) | ||
54 | return 0; | ||
55 | } else { | ||
56 | if (!dirent->inode) | ||
57 | return 0; | ||
58 | } | ||
59 | |||
60 | if (prev) | ||
61 | prev->rec_len += dirent->rec_len; | ||
62 | else | ||
63 | dirent->inode = 0; | ||
64 | ls->done++; | ||
65 | return DIRENT_ABORT|DIRENT_CHANGED; | ||
66 | } | ||
67 | |||
68 | #ifdef __TURBOC__ | ||
69 | #pragma argsused | ||
70 | #endif | ||
71 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, | ||
72 | const char *name, ext2_ino_t ino, | ||
73 | int flags EXT2FS_ATTR((unused))) | ||
74 | { | ||
75 | errcode_t retval; | ||
76 | struct link_struct ls; | ||
77 | |||
78 | EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); | ||
79 | |||
80 | if (!name && !ino) | ||
81 | return EXT2_ET_INVALID_ARGUMENT; | ||
82 | |||
83 | if (!(fs->flags & EXT2_FLAG_RW)) | ||
84 | return EXT2_ET_RO_FILSYS; | ||
85 | |||
86 | ls.name = name; | ||
87 | ls.namelen = name ? strlen(name) : 0; | ||
88 | ls.inode = ino; | ||
89 | ls.flags = 0; | ||
90 | ls.done = 0; | ||
91 | ls.prev = 0; | ||
92 | |||
93 | retval = ext2fs_dir_iterate(fs, dir, DIRENT_FLAG_INCLUDE_EMPTY, | ||
94 | 0, unlink_proc, &ls); | ||
95 | if (retval) | ||
96 | return retval; | ||
97 | |||
98 | return (ls.done) ? 0 : EXT2_ET_DIR_NO_SPACE; | ||
99 | } | ||
100 | |||