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体验新版 GitCode,发现更多精彩内容 >>
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516711dc
编写于
8月 01, 2014
作者:
B
bernard
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[DFS] make comments cleanup.
上级
94883a92
变更
2
显示空白变更内容
内联
并排
Showing
2 changed file
with
20 addition
and
9 deletion
+20
-9
components/dfs/src/dfs_file.c
components/dfs/src/dfs_file.c
+12
-4
components/dfs/src/dfs_posix.c
components/dfs/src/dfs_posix.c
+8
-5
未找到文件。
components/dfs/src/dfs_file.c
浏览文件 @
516711dc
...
...
@@ -555,7 +555,7 @@ void ls(const char *pathname)
if
(
pathname
==
RT_NULL
)
rt_free
(
path
);
}
FINSH_FUNCTION_EXPORT
(
ls
,
list
directory
contents
)
FINSH_FUNCTION_EXPORT
(
ls
,
list
directory
contents
)
;
void
rm
(
const
char
*
filename
)
{
...
...
@@ -564,7 +564,7 @@ void rm(const char *filename)
rt_kprintf
(
"Delete %s failed
\n
"
,
filename
);
}
}
FINSH_FUNCTION_EXPORT
(
rm
,
remove
files
or
directories
)
FINSH_FUNCTION_EXPORT
(
rm
,
remove
files
or
directories
)
;
void
cat
(
const
char
*
filename
)
{
...
...
@@ -590,7 +590,7 @@ void cat(const char* filename)
dfs_file_close
(
&
fd
);
}
FINSH_FUNCTION_EXPORT
(
cat
,
print
file
)
FINSH_FUNCTION_EXPORT
(
cat
,
print
file
)
;
#define BUF_SZ 4096
static
void
copyfile
(
const
char
*
src
,
const
char
*
dst
)
...
...
@@ -629,7 +629,15 @@ static void copyfile(const char *src, const char *dst)
read_bytes
=
dfs_file_read
(
&
src_fd
,
block_ptr
,
BUF_SZ
);
if
(
read_bytes
>
0
)
{
dfs_file_write
(
&
fd
,
block_ptr
,
read_bytes
);
int
length
;
length
=
dfs_file_write
(
&
fd
,
block_ptr
,
read_bytes
);
if
(
length
!=
read_bytes
)
{
/* write failed. */
rt_kprintf
(
"Write file data failed, errno=%d
\n
"
,
length
);
break
;
}
}
}
while
(
read_bytes
>
0
);
...
...
components/dfs/src/dfs_posix.c
浏览文件 @
516711dc
...
...
@@ -33,11 +33,11 @@
/**
* this function is a POSIX compliant version, which will open a file and
* return a file descriptor.
* return a file descriptor
according specified flags
.
*
* @param file the path name of file.
* @param flags the file open flags.
* @param mode
* @param mode
ignored parameter
*
* @return the non-negative integer on successful open, others for failed.
*/
...
...
@@ -120,7 +120,8 @@ RTM_EXPORT(close);
* @param buf the buffer to save the read data.
* @param len the maximal length of data buffer
*
* @return the actual read data buffer length
* @return the actual read data buffer length. If the returned value is 0, it
* may be reach the end of file, please check errno.
*/
int
read
(
int
fd
,
void
*
buf
,
size_t
len
)
{
...
...
@@ -200,7 +201,7 @@ RTM_EXPORT(write);
* @param offset the offset to be seeked.
* @param whence the directory of seek.
*
* @return the current
file position
, or -1 on failed.
* @return the current
read/write position in the file
, or -1 on failed.
*/
off_t
lseek
(
int
fd
,
off_t
offset
,
int
whence
)
{
...
...
@@ -336,6 +337,8 @@ RTM_EXPORT(stat);
*
* @param fildes the file description
* @param buf the data buffer to save stat description.
*
* @return 0 on successful, -1 on failed.
*/
int
fstat
(
int
fildes
,
struct
stat
*
buf
)
{
...
...
@@ -470,7 +473,7 @@ RTM_EXPORT(rmdir);
*
* @param name the path name to be open.
*
* @return the DIR pointer of directory, NULL on open failed.
* @return the DIR pointer of directory, NULL on open
directory
failed.
*/
DIR
*
opendir
(
const
char
*
name
)
{
...
...
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