fix SEEK_END bug in lseek.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@185 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 3 insertions, 3 deletions

diff --git a/filesystem/dfs/src/dfs_posix.c b/filesystem/dfs/src/dfs_posix.c
index 96ae60e7fb..4780cdec2a 100644
--- a/filesystem/dfs/src/dfs_posix.c
+++ b/filesystem/dfs/src/dfs_posix.c
@@ -174,7 +174,7 @@ int write(int fd, char *buf, int   len)
 |

 +------------------------------------------------------------------------------

 */

-int lseek(int fd, int   offset, int   dir)

+int lseek(int fd, int offset, int dir)

 {

 	int result;

 	struct dfs_fd* d;

@@ -196,7 +196,7 @@ int lseek(int fd, int   offset, int   dir)
 		break;

 

 	case DFS_SEEK_END:

-		offset = d->pos - offset;

+		offset += d->size;

 		break;

 	}

 

@@ -210,7 +210,7 @@ int lseek(int fd, int   offset, int   dir)
 

 	/* release the ref-count of fd */

 	fd_put(d);

-	return result;

+	return offset;

 }

 

 /*