Contiki 2.6

cfs-posix-dir.c

00001 /*
00002  * Copyright (c) 2004, Swedish Institute of Computer Science.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the Institute nor the names of its contributors
00014  *    may be used to endorse or promote products derived from this software
00015  *    without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00027  * SUCH DAMAGE.
00028  *
00029  * This file is part of the Contiki operating system.
00030  *
00031  * Author: Adam Dunkels <adam@sics.se>
00032  *
00033  * $Id: cfs-posix-dir.c,v 1.2 2008/03/29 13:54:56 oliverschmidt Exp $
00034  */
00035 
00036 #include <stdio.h>
00037 #include <dirent.h>
00038 #include <string.h>
00039 
00040 #include "cfs/cfs.h"
00041 
00042 struct cfs_posix_dir {
00043   DIR *dirp;
00044 };
00045 
00046 /*---------------------------------------------------------------------------*/
00047 int
00048 cfs_opendir(struct cfs_dir *p, const char *n)
00049 {
00050   struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
00051 
00052   dir->dirp = opendir(n);
00053   return dir->dirp == NULL;
00054 }
00055 /*---------------------------------------------------------------------------*/
00056 int
00057 cfs_readdir(struct cfs_dir *p, struct cfs_dirent *e)
00058 {
00059   struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
00060   struct dirent *res;
00061 
00062   if(dir->dirp == NULL) {
00063     return -1;
00064   }
00065   res = readdir(dir->dirp);
00066   if(res == NULL) {
00067     return -1;
00068   }
00069   strncpy(e->name, res->d_name, sizeof(e->name));
00070 #if defined(__APPLE2__) || defined(__APPLE2ENH__)
00071   e->size = res->d_blocks;
00072 #else /* __APPLE2__ || __APPLE2ENH__ */
00073   e->size = 0;
00074 #endif /* __APPLE2__ || __APPLE2ENH__ */
00075   return 0;
00076 }
00077 /*---------------------------------------------------------------------------*/
00078 void
00079 cfs_closedir(struct cfs_dir *p)
00080 {
00081   struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
00082 
00083   if(dir->dirp != NULL) {
00084     closedir(dir->dirp);
00085   }
00086 }
00087 /*---------------------------------------------------------------------------*/