diff options
Diffstat (limited to 'meta/recipes-devtools/genext2fs/genext2fs-1.4.1/0008-Separate-out-the-creation-of-the-filesystem-structur.patch')
-rw-r--r-- | meta/recipes-devtools/genext2fs/genext2fs-1.4.1/0008-Separate-out-the-creation-of-the-filesystem-structur.patch | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/meta/recipes-devtools/genext2fs/genext2fs-1.4.1/0008-Separate-out-the-creation-of-the-filesystem-structur.patch b/meta/recipes-devtools/genext2fs/genext2fs-1.4.1/0008-Separate-out-the-creation-of-the-filesystem-structur.patch new file mode 100644 index 0000000000..25adeb63c0 --- /dev/null +++ b/meta/recipes-devtools/genext2fs/genext2fs-1.4.1/0008-Separate-out-the-creation-of-the-filesystem-structur.patch | |||
@@ -0,0 +1,95 @@ | |||
1 | Upstream-Status: inappropriate | ||
2 | |||
3 | From 797e8548e5857b7a0586b27a9bdcadbea1561d8d Mon Sep 17 00:00:00 2001 | ||
4 | From: Corey Minyard <cminyard@mvista.com> | ||
5 | Date: Sun, 5 Jun 2011 14:53:57 -0500 | ||
6 | Subject: [PATCH 08/19] Separate out the creation of the filesystem structure. | ||
7 | |||
8 | Consolidate some processing that occurs when allocating a filesystem | ||
9 | structure. | ||
10 | --- | ||
11 | genext2fs.c | 49 +++++++++++++++++++++++++------------------------ | ||
12 | 1 files changed, 25 insertions(+), 24 deletions(-) | ||
13 | |||
14 | diff --git a/genext2fs.c b/genext2fs.c | ||
15 | index d130362..497c9af 100644 | ||
16 | --- a/genext2fs.c | ||
17 | +++ b/genext2fs.c | ||
18 | @@ -2240,6 +2240,29 @@ swap_badfs(filesystem *fs) | ||
19 | } | ||
20 | } | ||
21 | |||
22 | +// Allocate a new filesystem structure, allocate internal memory, | ||
23 | +// and initialize the contents. | ||
24 | +static filesystem * | ||
25 | +alloc_fs(uint32 nbblocks) | ||
26 | +{ | ||
27 | + filesystem *fs; | ||
28 | + | ||
29 | + fs = malloc(sizeof(*fs)); | ||
30 | + if (!fs) | ||
31 | + error_msg_and_die("not enough memory for filesystem"); | ||
32 | + memset(fs, 0, sizeof(*fs)); | ||
33 | + if(!(fs->data = calloc(nbblocks, BLOCKSIZE))) | ||
34 | + error_msg_and_die("not enough memory for filesystem"); | ||
35 | + fs->hdlink_cnt = HDLINK_CNT; | ||
36 | + fs->hdlinks.hdl = calloc(sizeof(struct hdlink_s), fs->hdlink_cnt); | ||
37 | + if (!fs->hdlinks.hdl) | ||
38 | + error_msg_and_die("Not enough memory"); | ||
39 | + fs->hdlinks.count = 0 ; | ||
40 | + fs->sb = (superblock *) (fs->data + BLOCKSIZE); | ||
41 | + fs->gd = (groupdescriptor *) (fs->sb + 1); | ||
42 | + return fs; | ||
43 | +} | ||
44 | + | ||
45 | // initialize an empty filesystem | ||
46 | static filesystem * | ||
47 | init_fs(int nbblocks, int nbinodes, int nbresrvd, int holes, uint32 fs_timestamp) | ||
48 | @@ -2290,21 +2313,10 @@ init_fs(int nbblocks, int nbinodes, int nbresrvd, int holes, uint32 fs_timestamp | ||
49 | free_blocks = nbblocks - overhead_per_group*nbgroups - 1 /*boot block*/; | ||
50 | free_blocks_per_group = nbblocks_per_group - overhead_per_group; | ||
51 | |||
52 | - fs = malloc(sizeof(*fs)); | ||
53 | - if (!fs) | ||
54 | - error_msg_and_die("not enough memory for filesystem"); | ||
55 | + fs = alloc_fs(nbblocks); | ||
56 | fs->nheadblocks = (((nbgroups * sizeof(groupdescriptor)) | ||
57 | + sizeof(superblock) + (BLOCKSIZE - 1)) | ||
58 | / BLOCKSIZE); | ||
59 | - if(!(fs->data = calloc(nbblocks, BLOCKSIZE))) | ||
60 | - error_msg_and_die("not enough memory for filesystem"); | ||
61 | - fs->hdlink_cnt = HDLINK_CNT; | ||
62 | - fs->hdlinks.hdl = calloc(sizeof(struct hdlink_s), fs->hdlink_cnt); | ||
63 | - if (!fs->hdlinks.hdl) | ||
64 | - error_msg_and_die("Not enough memory"); | ||
65 | - fs->hdlinks.count = 0 ; | ||
66 | - fs->sb = (superblock *) (fs->data + BLOCKSIZE); | ||
67 | - fs->gd = (groupdescriptor *) (fs->sb + 1); | ||
68 | |||
69 | // create the superblock for an empty filesystem | ||
70 | fs->sb->s_inodes_count = nbinodes_per_group * nbgroups; | ||
71 | @@ -2442,20 +2454,9 @@ load_fs(FILE * fh, int swapit) | ||
72 | fssize = (fssize + BLOCKSIZE - 1) / BLOCKSIZE; | ||
73 | if(fssize < 16) // totally arbitrary | ||
74 | error_msg_and_die("too small filesystem"); | ||
75 | - fs = malloc(sizeof(*fs)); | ||
76 | - if (!fs) | ||
77 | - error_msg_and_die("not enough memory for filesystem"); | ||
78 | - fs->hdlink_cnt = HDLINK_CNT; | ||
79 | - fs->hdlinks.hdl = calloc(sizeof(struct hdlink_s), fs->hdlink_cnt); | ||
80 | - if (!fs->hdlinks.hdl) | ||
81 | - error_msg_and_die("Not enough memory"); | ||
82 | - fs->hdlinks.count = 0 ; | ||
83 | - if(!(fs->data = calloc(fssize, BLOCKSIZE))) | ||
84 | - error_msg_and_die("not enough memory for filesystem"); | ||
85 | + fs = alloc_fs(fssize); | ||
86 | if(fread(fs->data, BLOCKSIZE, fssize, fh) != fssize) | ||
87 | perror_msg_and_die("input filesystem image"); | ||
88 | - fs->sb = (superblock *) (fs->data + BLOCKSIZE); | ||
89 | - fs->gd = (groupdescriptor *) (fs->sb + 1); | ||
90 | |||
91 | if(swapit) | ||
92 | swap_badfs(fs); | ||
93 | -- | ||
94 | 1.7.4.1 | ||
95 | |||