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体验新版 GitCode,发现更多精彩内容 >>
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873a5de8
编写于
6月 29, 2013
作者:
Y
yiyue.fang
浏览文件
操作
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电子邮件补丁
差异文件
reformat the coding style in dfs_ramfs.c
上级
03cf76e7
变更
1
显示空白变更内容
内联
并排
Showing
1 changed file
with
26 addition
and
14 deletion
+26
-14
components/dfs/filesystems/ramfs/dfs_ramfs.c
components/dfs/filesystems/ramfs/dfs_ramfs.c
+26
-14
未找到文件。
components/dfs/filesystems/ramfs/dfs_ramfs.c
浏览文件 @
873a5de8
...
...
@@ -38,7 +38,7 @@ int dfs_ramfs_mount(struct dfs_filesystem *fs,
if
(
data
==
RT_NULL
)
return
-
DFS_STATUS_EIO
;
ramfs
=
(
struct
dfs_ramfs
*
)
data
;
ramfs
=
(
struct
dfs_ramfs
*
)
data
;
fs
->
data
=
ramfs
;
return
DFS_STATUS_OK
;
...
...
@@ -47,6 +47,7 @@ int dfs_ramfs_mount(struct dfs_filesystem *fs,
int
dfs_ramfs_unmount
(
struct
dfs_filesystem
*
fs
)
{
fs
->
data
=
RT_NULL
;
return
DFS_STATUS_OK
;
}
...
...
@@ -78,7 +79,8 @@ struct ramfs_dirent *dfs_ramfs_lookup(struct dfs_ramfs *ramfs,
struct
ramfs_dirent
*
dirent
;
subpath
=
path
;
while
(
*
subpath
==
'/'
&&
*
subpath
)
subpath
++
;
while
(
*
subpath
==
'/'
&&
*
subpath
)
subpath
++
;
if
(
!
*
subpath
)
/* is root directory */
{
*
size
=
0
;
...
...
@@ -222,7 +224,9 @@ int dfs_ramfs_open(struct dfs_fd *file)
char
*
name_ptr
;
/* create a file entry */
dirent
=
(
struct
ramfs_dirent
*
)
rt_memheap_alloc
(
&
(
ramfs
->
memheap
),
sizeof
(
struct
ramfs_dirent
));
dirent
=
(
struct
ramfs_dirent
*
)
rt_memheap_alloc
(
&
(
ramfs
->
memheap
),
sizeof
(
struct
ramfs_dirent
));
if
(
dirent
==
RT_NULL
)
{
return
-
DFS_STATUS_ENOMEM
;
...
...
@@ -244,7 +248,9 @@ int dfs_ramfs_open(struct dfs_fd *file)
return
-
DFS_STATUS_ENOENT
;
}
/* Creates a new file. If the file is existing, it is truncated and overwritten. */
/* Creates a new file.
* If the file is existing, it is truncated and overwritten.
*/
if
(
file
->
flags
&
DFS_O_TRUNC
)
{
dirent
->
size
=
0
;
...
...
@@ -263,7 +269,9 @@ int dfs_ramfs_open(struct dfs_fd *file)
return
DFS_STATUS_OK
;
}
int
dfs_ramfs_stat
(
struct
dfs_filesystem
*
fs
,
const
char
*
path
,
struct
stat
*
st
)
int
dfs_ramfs_stat
(
struct
dfs_filesystem
*
fs
,
const
char
*
path
,
struct
stat
*
st
)
{
rt_size_t
size
;
struct
ramfs_dirent
*
dirent
;
...
...
@@ -286,20 +294,24 @@ int dfs_ramfs_stat(struct dfs_filesystem *fs, const char *path, struct stat *st)
return
DFS_STATUS_OK
;
}
int
dfs_ramfs_getdents
(
struct
dfs_fd
*
file
,
struct
dirent
*
dirp
,
rt_uint32_t
count
)
int
dfs_ramfs_getdents
(
struct
dfs_fd
*
file
,
struct
dirent
*
dirp
,
rt_uint32_t
count
)
{
rt_size_t
index
,
end
;
struct
dirent
*
d
;
struct
ramfs_dirent
*
dirent
;
struct
dfs_ramfs
*
ramfs
;
struct
dfs_ramfs
*
ramfs
;
ramfs
=
(
struct
dfs_ramfs
*
)
file
->
fs
->
data
;
ramfs
=
(
struct
dfs_ramfs
*
)
file
->
fs
->
data
;
dirent
=
(
struct
ramfs_dirent
*
)
file
->
data
;
if
(
dirent
!=
&
(
ramfs
->
root
))
return
-
DFS_STATUS_EINVAL
;
if
(
dirent
!=
&
(
ramfs
->
root
))
return
-
DFS_STATUS_EINVAL
;
/* make integer count */
count
=
(
count
/
sizeof
(
struct
dirent
));
if
(
count
==
0
)
return
-
DFS_STATUS_EINVAL
;
if
(
count
==
0
)
return
-
DFS_STATUS_EINVAL
;
end
=
file
->
pos
+
count
;
index
=
0
;
...
...
@@ -407,7 +419,7 @@ struct dfs_ramfs* dfs_ramfs_create(rt_uint8_t *pool, rt_size_t size)
rt_err_t
result
;
size
=
RT_ALIGN_DOWN
(
size
,
RT_ALIGN_SIZE
);
ramfs
=
(
struct
dfs_ramfs
*
)
pool
;
ramfs
=
(
struct
dfs_ramfs
*
)
pool
;
data_ptr
=
(
rt_uint8_t
*
)(
ramfs
+
1
);
size
=
size
-
sizeof
(
struct
dfs_ramfs
);
...
...
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