diff options
Diffstat (limited to 'e2fsprogs/ext2fs/mkdir.c')
-rw-r--r-- | e2fsprogs/ext2fs/mkdir.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/e2fsprogs/ext2fs/mkdir.c b/e2fsprogs/ext2fs/mkdir.c deleted file mode 100644 index b63c5d7a6..000000000 --- a/e2fsprogs/ext2fs/mkdir.c +++ /dev/null | |||
@@ -1,142 +0,0 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * mkdir.c --- make a directory in the filesystem | ||
4 | * | ||
5 | * Copyright (C) 1994, 1995 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 | #include <fcntl.h> | ||
19 | #include <time.h> | ||
20 | #if HAVE_SYS_STAT_H | ||
21 | #include <sys/stat.h> | ||
22 | #endif | ||
23 | #if HAVE_SYS_TYPES_H | ||
24 | #include <sys/types.h> | ||
25 | #endif | ||
26 | |||
27 | #include "ext2_fs.h" | ||
28 | #include "ext2fs.h" | ||
29 | |||
30 | #ifndef EXT2_FT_DIR | ||
31 | #define EXT2_FT_DIR 2 | ||
32 | #endif | ||
33 | |||
34 | errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, | ||
35 | const char *name) | ||
36 | { | ||
37 | errcode_t retval; | ||
38 | struct ext2_inode parent_inode, inode; | ||
39 | ext2_ino_t ino = inum; | ||
40 | ext2_ino_t scratch_ino; | ||
41 | blk_t blk; | ||
42 | char *block = 0; | ||
43 | |||
44 | EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS); | ||
45 | |||
46 | /* | ||
47 | * Allocate an inode, if necessary | ||
48 | */ | ||
49 | if (!ino) { | ||
50 | retval = ext2fs_new_inode(fs, parent, LINUX_S_IFDIR | 0755, | ||
51 | 0, &ino); | ||
52 | if (retval) | ||
53 | goto cleanup; | ||
54 | } | ||
55 | |||
56 | /* | ||
57 | * Allocate a data block for the directory | ||
58 | */ | ||
59 | retval = ext2fs_new_block(fs, 0, 0, &blk); | ||
60 | if (retval) | ||
61 | goto cleanup; | ||
62 | |||
63 | /* | ||
64 | * Create a scratch template for the directory | ||
65 | */ | ||
66 | retval = ext2fs_new_dir_block(fs, ino, parent, &block); | ||
67 | if (retval) | ||
68 | goto cleanup; | ||
69 | |||
70 | /* | ||
71 | * Get the parent's inode, if necessary | ||
72 | */ | ||
73 | if (parent != ino) { | ||
74 | retval = ext2fs_read_inode(fs, parent, &parent_inode); | ||
75 | if (retval) | ||
76 | goto cleanup; | ||
77 | } else | ||
78 | memset(&parent_inode, 0, sizeof(parent_inode)); | ||
79 | |||
80 | /* | ||
81 | * Create the inode structure.... | ||
82 | */ | ||
83 | memset(&inode, 0, sizeof(struct ext2_inode)); | ||
84 | inode.i_mode = LINUX_S_IFDIR | (0777 & ~fs->umask); | ||
85 | inode.i_uid = inode.i_gid = 0; | ||
86 | inode.i_blocks = fs->blocksize / 512; | ||
87 | inode.i_block[0] = blk; | ||
88 | inode.i_links_count = 2; | ||
89 | inode.i_ctime = inode.i_atime = inode.i_mtime = time(NULL); | ||
90 | inode.i_size = fs->blocksize; | ||
91 | |||
92 | /* | ||
93 | * Write out the inode and inode data block | ||
94 | */ | ||
95 | retval = ext2fs_write_dir_block(fs, blk, block); | ||
96 | if (retval) | ||
97 | goto cleanup; | ||
98 | retval = ext2fs_write_new_inode(fs, ino, &inode); | ||
99 | if (retval) | ||
100 | goto cleanup; | ||
101 | |||
102 | /* | ||
103 | * Link the directory into the filesystem hierarchy | ||
104 | */ | ||
105 | if (name) { | ||
106 | retval = ext2fs_lookup(fs, parent, name, strlen(name), 0, | ||
107 | &scratch_ino); | ||
108 | if (!retval) { | ||
109 | retval = EXT2_ET_DIR_EXISTS; | ||
110 | name = 0; | ||
111 | goto cleanup; | ||
112 | } | ||
113 | if (retval != EXT2_ET_FILE_NOT_FOUND) | ||
114 | goto cleanup; | ||
115 | retval = ext2fs_link(fs, parent, name, ino, EXT2_FT_DIR); | ||
116 | if (retval) | ||
117 | goto cleanup; | ||
118 | } | ||
119 | |||
120 | /* | ||
121 | * Update parent inode's counts | ||
122 | */ | ||
123 | if (parent != ino) { | ||
124 | parent_inode.i_links_count++; | ||
125 | retval = ext2fs_write_inode(fs, parent, &parent_inode); | ||
126 | if (retval) | ||
127 | goto cleanup; | ||
128 | } | ||
129 | |||
130 | /* | ||
131 | * Update accounting.... | ||
132 | */ | ||
133 | ext2fs_block_alloc_stats(fs, blk, +1); | ||
134 | ext2fs_inode_alloc_stats2(fs, ino, +1, 1); | ||
135 | |||
136 | cleanup: | ||
137 | ext2fs_free_mem(&block); | ||
138 | return retval; | ||
139 | |||
140 | } | ||
141 | |||
142 | |||