From 23839bc886696aba1c912cd6d901f7d337470142 Mon Sep 17 00:00:00 2001
From: "bernard.xiong@gmail.com" <bernard.xiong@gmail.com>
Date: Sat, 31 Dec 2011 04:05:40 +0000
Subject: [PATCH] fix rename issue in DFS.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1890 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 components/dfs/filesystems/elmfat/dfs_elm.c |  3 +--
 components/dfs/src/dfs.c                    |  2 +-
 components/dfs/src/dfs_file.c               | 15 +++++++++------
 components/dfs/src/dfs_posix.c              |  2 +-
 4 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/components/dfs/filesystems/elmfat/dfs_elm.c b/components/dfs/filesystems/elmfat/dfs_elm.c
index d52874255c..1beea7bbf5 100644
--- a/components/dfs/filesystems/elmfat/dfs_elm.c
+++ b/components/dfs/filesystems/elmfat/dfs_elm.c
@@ -588,7 +588,6 @@ int dfs_elm_stat(struct dfs_filesystem *fs, const char *path, struct stat *st)
 	FILINFO file_info;
 	FRESULT result;
 
-
 #if _VOLUMES > 1
 	int vol;
 	char *drivers_fn;
@@ -679,7 +678,7 @@ int elm_init(void)
  */
 #include "diskio.h"
 
-/* Inidialize a Drive */
+/* Initialize a Drive */
 DSTATUS disk_initialize(BYTE drv)
 {
 	return 0;
diff --git a/components/dfs/src/dfs.c b/components/dfs/src/dfs.c
index 33b8f497a9..7ac596a2a0 100644
--- a/components/dfs/src/dfs.c
+++ b/components/dfs/src/dfs.c
@@ -263,7 +263,7 @@ const char *dfs_subdir(const char *directory, const char *filename)
  * @param directory the parent path
  * @param filename the file name
  *
- * @return the built full file path (absoluted path)
+ * @return the built full file path (absolute path)
  */
 char *dfs_normalize_path(const char *directory, const char *filename)
 {
diff --git a/components/dfs/src/dfs_file.c b/components/dfs/src/dfs_file.c
index 2746a11b66..25de66af11 100644
--- a/components/dfs/src/dfs_file.c
+++ b/components/dfs/src/dfs_file.c
@@ -10,6 +10,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2005-02-22     Bernard      The first version.
+ * 2011-12-08     Bernard      Merges rename patch from iamcacy.
  */
 
 #include <dfs.h>
@@ -24,7 +25,7 @@
  * this function will open a file which specified by path with specified flags.
  *
  * @param fd the file descriptor pointer to return the corresponding result.
- * @param path the spaciefied file path.
+ * @param path the specified file path.
  * @param flags the flags for open operator.
  *
  * @return 0 on successful, -1 on failed.
@@ -70,7 +71,7 @@ int dfs_file_open(struct dfs_fd *fd, const char *path, int flags)
 	else
 		fd->path = rt_strdup(dfs_subdir(fs->path, fullpath));
 	rt_free(fullpath);
-	dfs_log(DFS_DEBUG_INFO, ("actul file path: %s\n", fd->path));
+	dfs_log(DFS_DEBUG_INFO, ("Actual file path: %s\n", fd->path));
 
 	/* specific file system open routine */
 	if (fs->ops->open == RT_NULL)
@@ -181,9 +182,9 @@ int dfs_file_read(struct dfs_fd *fd, void *buf, rt_size_t len)
 /**
  * this function will fetch directory entries from a directory descriptor.
  *
- * @param fd the directory decriptor.
+ * @param fd the directory descriptor.
  * @param dirp the dirent buffer to save result.
- * @param nbytes the aviable room in the buffer.
+ * @param nbytes the available room in the buffer.
  *
  * @return the read dirent, others on failed.
  */
@@ -388,7 +389,7 @@ int dfs_file_stat(const char *path, struct stat *buf)
 }
 
 /**
- * this funciton will rename an old path name to a new path name.
+ * this function will rename an old path name to a new path name.
  *
  * @param oldpath the old path name.
  * @param newpath the new path name.
@@ -438,7 +439,9 @@ int dfs_file_rename(const char *oldpath, const char *newpath)
 			goto __exit;
 		}
 
-		result = oldfs->ops->rename(oldfs, oldfullpath, newfullpath);
+		/* use sub directory to rename in file system */
+		result = oldfs->ops->rename(oldfs, dfs_subdir(oldfs->path, oldfullpath),
+				dfs_subdir(newfs->path, newfullpath));
 		goto __exit;
 	}
 
diff --git a/components/dfs/src/dfs_posix.c b/components/dfs/src/dfs_posix.c
index c21917d29a..a38547727a 100644
--- a/components/dfs/src/dfs_posix.c
+++ b/components/dfs/src/dfs_posix.c
@@ -129,7 +129,7 @@ int read(int fd, void *buf, size_t len)
 }
 
 /**
- * this function is a POSIX compliant version, which will write pecified data buffer
+ * this function is a POSIX compliant version, which will write specified data buffer
  * length for an open file descriptor.
  *
  * @param fd the file descriptor