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add DFS_FS_FLAG_FULLPATH support in rename function. 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1905 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2012-01-01 13:46:15 +00:00
parent beaf51ff82
commit fcf74ed108
1 changed files with 16 additions and 19 deletions
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35
components/dfs/src/dfs_file.c
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@ -420,6 +420,7 @@ int dfs_file_rename(const char *oldpath, const char *newpath)
result = DFS_STATUS_OK;
newfullpath = RT_NULL;
oldfullpath = RT_NULL;
oldfullpath = dfs_normalize_path(RT_NULL, oldpath);
if (oldfullpath == RT_NULL)
@ -435,33 +436,29 @@ int dfs_file_rename(const char *oldpath, const char *newpath)
goto __exit;
}
if ((oldfs = dfs_filesystem_lookup(oldfullpath)) == RT_NULL)
{
result = -DFS_STATUS_ENOENT;
goto __exit;
}
if ((newfs = dfs_filesystem_lookup(newfullpath)) == RT_NULL)
{
result = -DFS_STATUS_ENOENT;
goto __exit;
}
oldfs = dfs_filesystem_lookup(oldfullpath);
newfs = dfs_filesystem_lookup(newfullpath);
if (oldfs == newfs)
{
if (oldfs->ops->rename == RT_NULL)
{
result = -DFS_STATUS_ENOSYS;
goto __exit;
}
/* 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;
else
{
if (oldfs->ops->flags & DFS_FS_FLAG_FULLPATH)
result = oldfs->ops->rename(oldfs, oldfullpath, newfullpath);
else
/* use sub directory to rename in file system */
result = oldfs->ops->rename(oldfs, dfs_subdir(oldfs->path, oldfullpath),
dfs_subdir(newfs->path, newfullpath));
}
}
else
{
result = -DFS_STATUS_EXDEV;
}
result = -DFS_STATUS_EXDEV;
__exit:
rt_free(oldfullpath);