Diff: FileSystem/FatFileSystem/FATDirHandle.cpp

Revision:

0:caecb0d1e7d3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FileSystem/FatFileSystem/FATDirHandle.cpp	Wed Apr 08 08:27:55 2015 +0000
@@ -0,0 +1,66 @@
+/* mbed Microcontroller Library - FATDirHandle
+ * Copyright (c) 2008, sford
+ */
+ 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "ff.h"
+#include "FATDirHandle.h"
+#include "FATFileSystem.h"
+
+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;
+}
+
+}
+