static int rtems_jffs2_rmnod(
const rtems_filesystem_location_info_t *parentloc,
const rtems_filesystem_location_info_t *loc
)
{
struct _inode *dir_i = rtems_jffs2_get_inode_by_location(parentloc);
struct _inode *entry_i = rtems_jffs2_get_inode_by_location(loc);
char *name;
size_t namelen;
int eno = rtems_jffs2_cache_fd_name(entry_i, &name, &namelen);
if (eno == 0) {
switch (dir_i->i_mode & S_IFMT) {
case S_IFDIR:
eno = -jffs2_rmdir(dir_i, entry_i, name, namelen);
break;
case S_IFREG:
eno = -jffs2_unlink(dir_i, entry_i, name, namelen);
break;
default:
eno = EINVAL;
break;
}
}
return rtems_jffs2_eno_to_rv_and_errno(eno);
}
static int dfs_jffs2_unlink(struct dfs_filesystem* fs, const char* path)
{
int result;
struct jffs2_stat s;
cyg_mtab_entry * mte;
result = _find_fs(&mte, fs->dev_id);
if (result)
return -DFS_STATUS_ENOENT;
/* deal path */
if (path[0] == '/')
path++;
/* judge file type, dir is to be delete by rmdir, others by unlink */
rt_mutex_take(&jffs2_lock, RT_WAITING_FOREVER);
result = jffs2_porting_stat(mte, mte->root, path, (void *)&s);
if (result)
{
rt_mutex_release(&jffs2_lock);
return jffs2_result_to_dfs(result);
}
switch(s.st_mode & JFFS2_S_IFMT)
{
case JFFS2_S_IFREG:
result = jffs2_file_unlink(mte, mte->root, path);
break;
case JFFS2_S_IFDIR:
result = jffs2_rmdir(mte, mte->root, path);
break;
default:
/* unknown file type */
rt_mutex_release(&jffs2_lock);
return -1;
}
rt_mutex_release(&jffs2_lock);
if (result)
return jffs2_result_to_dfs(result);
return 0;
}
