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      1 #include <fcntl.h>
      2 #include <stdio.h>
      3 #include <string.h>
      4 #include <sys/dirent.h>
      5 #include "fs.h"
      6 #include "core.h"
      7 
      8 /*
      9  * Open a directory
     10  */
     11 __export DIR *opendir(const char *path)
     12 {
     13     int rv;
     14     struct file *file;
     15 
     16     rv = searchdir(path, O_RDONLY|O_DIRECTORY);
     17     if (rv < 0)
     18 	return NULL;
     19 
     20     file = handle_to_file(rv);
     21 
     22     if (file->inode->mode != DT_DIR) {
     23 	_close_file(file);
     24 	return NULL;
     25     }
     26 
     27     return (DIR *)file;
     28 }
     29 
     30 /*
     31  * Read one directory entry at one time.
     32  */
     33 __export struct dirent *readdir(DIR *dir)
     34 {
     35     static struct dirent buf;
     36     struct file *dd_dir = (struct file *)dir;
     37     int rv = -1;
     38 
     39     if (dd_dir) {
     40         if (dd_dir->fs->fs_ops->readdir) {
     41 	    rv = dd_dir->fs->fs_ops->readdir(dd_dir, &buf);
     42         }
     43     }
     44 
     45     return rv < 0 ? NULL : &buf;
     46 }
     47 
     48 /*
     49  * Close a directory
     50  */
     51 __export int closedir(DIR *dir)
     52 {
     53     struct file *dd_dir = (struct file *)dir;
     54     _close_file(dd_dir);
     55     return 0;
     56 }
     57 
     58 
     59