/**
* create a new object and open it if success
*/
URET uffs_CreateObject(uffs_Object *obj, const char *fullname, int oflag)
{
oflag |= UO_CREATE;
if (uffs_ParseObject(obj, fullname) == U_SUCC)
uffs_CreateObjectEx(obj, obj->dev, obj->parent, obj->name, obj->name_len, oflag);
return (obj->err == UENOERR ? U_SUCC : U_FAIL);
}
/**
* Open a UFFS object
*
* \param[in|out] obj the object to be open
* \param[in] name the full name of the object
* \param[in] oflag open flag
*
* \return U_SUCC if object is opened successfully,
* U_FAIL if failed, error code will be set to obj->err.
*/
URET uffs_OpenObject(uffs_Object *obj, const char *name, int oflag)
{
if (obj == NULL)
return U_FAIL;
if (uffs_ParseObject(obj, name) == U_SUCC)
uffs_OpenObjectEx(obj, obj->dev, obj->parent, obj->name, obj->name_len, oflag);
return (obj->err == UENOERR ? U_SUCC : U_FAIL);
}
/**
* Open a UFFS object
*
* \param[in|out] obj the object to be open
* \param[in] name the full name of the object
* \param[in] oflag open flag
*
* \return U_SUCC if object is opened successfully,
* U_FAIL if failed, error code will be set to obj->err.
*/
URET uffs_OpenObject(uffs_Object *obj, const char *name, int oflag)
{
URET ret;
if (obj == NULL)
return U_FAIL;
if ((ret = uffs_ParseObject(obj, name)) == U_SUCC) {
ret = uffs_OpenObjectEx(obj, obj->dev, obj->parent,
obj->name, obj->name_len, oflag);
}
if (ret != U_SUCC)
do_ReleaseObjectResource(obj);
return ret;
}
/**
* create a new object and open it if success
*/
URET uffs_CreateObject(uffs_Object *obj, const char *fullname, int oflag)
{
URET ret = U_FAIL;
oflag |= UO_CREATE;
if (uffs_ParseObject(obj, fullname) == U_SUCC)
uffs_CreateObjectEx(obj, obj->dev, obj->parent,
obj->name, obj->name_len, oflag);
if (obj->err == UENOERR) {
ret = U_SUCC;
}
else {
if (obj->dev) {
uffs_PutDevice(obj->dev);
obj->dev = NULL;
}
ret = U_FAIL;
}
return ret;
}
/**
* \brief rename(move) file or dir.
* \return U_SUCC if success, otherwise return U_FAIL and set error code to *err.
* \note rename/move file between different mount point is not allowed.
*/
URET uffs_RenameObject(const char *old_name, const char *new_name, int *err)
{
uffs_Object *obj = NULL, *new_obj = NULL;
URET ret = U_FAIL;
int oflag;
obj = uffs_GetObject();
new_obj = uffs_GetObject();
if (obj == NULL || new_obj == NULL) {
if (err)
*err = UEINVAL;
goto ext;
}
oflag = UO_RDONLY;
if (uffs_OpenObject(new_obj, new_name, oflag) == U_SUCC) {
uffs_CloseObject(new_obj);
uffs_Perror(UFFS_MSG_NOISY, "new object already exist!");
if (err)
*err = UEEXIST;
goto ext;
}
oflag |= UO_DIR;
if (uffs_OpenObject(new_obj, new_name, oflag) == U_SUCC) {
uffs_CloseObject(new_obj);
uffs_Perror(UFFS_MSG_NOISY, "new object already exist!");
if (err)
*err = UEEXIST;
goto ext;
}
if (uffs_ParseObject(new_obj, new_name) != U_SUCC) {
uffs_Perror(UFFS_MSG_NOISY, "parse new name fail !");
if (err)
*err = UENOENT;
goto ext;
}
if (new_obj->name_len == 0) {
uffs_Perror(UFFS_MSG_NOISY, "invalid new name");
if (err)
*err = UEINVAL;
goto ext;
}
oflag = UO_RDONLY;
if (uffs_OpenObject(obj, old_name, oflag) != U_SUCC) {
oflag |= UO_DIR;
if (uffs_OpenObject(obj, old_name, oflag) != U_SUCC) {
uffs_Perror(UFFS_MSG_NOISY, "Can't open old object !");
if (err)
*err = UEACCES;
goto ext;
}
}
if (obj->dev != new_obj->dev) {
uffs_Perror(UFFS_MSG_NOISY,
"Can't move object between different mount point");
if (err)
*err = UEACCES;
}
else {
ret = uffs_MoveObjectEx(obj, new_obj->parent,
new_obj->name, new_obj->name_len);
if (ret == U_FAIL && err)
*err = obj->err;
}
uffs_CloseObject(obj);
ext:
if (obj) uffs_PutObject(obj);
if (new_obj) {
do_ReleaseObjectResource(new_obj);
uffs_PutObject(new_obj);
}
return ret;
}
