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#include <stdio.h>
#include <string.h>
#include <sys/dirent.h>
#include <fs.h>
#include <core.h>
extern struct fs_info *this_fs;
/*
* open dir, return the file structure pointer in _eax_, or NULL if failed
*/
void vfs_opendir(com32sys_t *regs)
{
this_fs->fs_ops->opendir(regs);
regs->eax.l = (uint32_t)handle_to_file(regs->esi.w[0]);
}
/*
* Read one dirent at one time.
*
* @input: _esi_ register stores the address of DIR structure
* @output: _eax_ register stores the address of newly read dirent structure
*/
void vfs_readdir(com32sys_t *regs)
{
DIR *dir = (DIR *)regs->esi.l;
struct dirent *de = NULL;
if (dir->dd_dir)
de = this_fs->fs_ops->readdir(dir->dd_dir);
else
de = NULL;
/* Return the newly read de in _eax_ register */
regs->eax.l = (uint32_t)de;
}
void vfs_closedir(com32sys_t *regs)
{
DIR *dir = (DIR *)regs->esi.l;
_close_file(dir->dd_dir);
}
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