Contiki 2.5
cfs-posix-dir.c
1 /*
2  * Copyright (c) 2004, Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is part of the Contiki operating system.
30  *
31  * Author: Adam Dunkels <adam@sics.se>
32  *
33  * $Id: cfs-posix-dir.c,v 1.2 2008/03/29 13:54:56 oliverschmidt Exp $
34  */
35 
36 #include <stdio.h>
37 #include <dirent.h>
38 #include <string.h>
39 
40 #include "cfs/cfs.h"
41 
42 struct cfs_posix_dir {
43  DIR *dirp;
44 };
45 
46 /*---------------------------------------------------------------------------*/
47 int
48 cfs_opendir(struct cfs_dir *p, const char *n)
49 {
50  struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
51 
52  dir->dirp = opendir(n);
53  return dir->dirp == NULL;
54 }
55 /*---------------------------------------------------------------------------*/
56 int
57 cfs_readdir(struct cfs_dir *p, struct cfs_dirent *e)
58 {
59  struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
60  struct dirent *res;
61 
62  if(dir->dirp == NULL) {
63  return -1;
64  }
65  res = readdir(dir->dirp);
66  if(res == NULL) {
67  return -1;
68  }
69  strncpy(e->name, res->d_name, sizeof(e->name));
70 #if defined(__APPLE2__) || defined(__APPLE2ENH__)
71  e->size = res->d_blocks;
72 #else /* __APPLE2__ || __APPLE2ENH__ */
73  e->size = 0;
74 #endif /* __APPLE2__ || __APPLE2ENH__ */
75  return 0;
76 }
77 /*---------------------------------------------------------------------------*/
78 void
79 cfs_closedir(struct cfs_dir *p)
80 {
81  struct cfs_posix_dir *dir = (struct cfs_posix_dir *)p;
82 
83  if(dir->dirp != NULL) {
84  closedir(dir->dirp);
85  }
86 }
87 /*---------------------------------------------------------------------------*/
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