79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/* mbed Microcontroller Library
|
|
* Copyright (c) 2006-2012 ARM Limited
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
#include <string.h>
|
|
#include "ff.h"
|
|
#include "FATDirHandle.h"
|
|
|
|
using namespace mbed;
|
|
|
|
FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) {
|
|
dir = the_dir;
|
|
}
|
|
|
|
int FATDirHandle::closedir() {
|
|
delete this;
|
|
return 0;
|
|
}
|
|
|
|
struct dirent *FATDirHandle::readdir() {
|
|
FILINFO finfo;
|
|
|
|
#if _USE_LFN
|
|
finfo.lfname = cur_entry.d_name;
|
|
finfo.lfsize = sizeof(cur_entry.d_name);
|
|
#endif // _USE_LFN
|
|
|
|
FRESULT res = f_readdir(&dir, &finfo);
|
|
|
|
#if _USE_LFN
|
|
if(res != 0 || finfo.fname[0]==0) {
|
|
return NULL;
|
|
} else {
|
|
if(cur_entry.d_name[0]==0) {
|
|
// No long filename so use short filename.
|
|
memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
|
|
}
|
|
return &cur_entry;
|
|
}
|
|
#else
|
|
if(res != 0 || finfo.fname[0]==0) {
|
|
return NULL;
|
|
} else {
|
|
memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname));
|
|
return &cur_entry;
|
|
}
|
|
#endif /* _USE_LFN */
|
|
}
|
|
|
|
void FATDirHandle::rewinddir() {
|
|
dir.index = 0;
|
|
}
|
|
|
|
off_t FATDirHandle::telldir() {
|
|
return dir.index;
|
|
}
|
|
|
|
void FATDirHandle::seekdir(off_t location) {
|
|
dir.index = location;
|
|
}
|
|
|