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#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <sys/dirent.h>
#include "fs.h"
#include "core.h"
#include "multifs.h"
/*
* Open a directory
*/
__export DIR *opendir(const char *path)
{
int rv;
struct file *file;
if (multifs_switch_fs(&path))
return NULL;
rv = searchdir(path, O_RDONLY|O_DIRECTORY);
if (rv < 0)
return NULL;
file = handle_to_file(rv);
if (file->inode->mode != DT_DIR) {
_close_file(file);
return NULL;
}
multifs_restore_fs();
return (DIR *)file;
}
/*
* Read one directory entry at one time.
*/
__export struct dirent *readdir(DIR *dir)
{
static struct dirent buf;
struct file *dd_dir = (struct file *)dir;
int rv = -1;
if (dd_dir) {
if (dd_dir->fs->fs_ops->readdir) {
rv = dd_dir->fs->fs_ops->readdir(dd_dir, &buf);
}
}
return rv < 0 ? NULL : &buf;
}
/*
* Close a directory
*/
__export int closedir(DIR *dir)
{
struct file *dd_dir = (struct file *)dir;
_close_file(dd_dir);
return 0;
}
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