Diff: ChaNFS/FATDirHandle.cpp

Revision:

7:6494da2a5c60

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ChaNFS/FATDirHandle.cpp	Mon Nov 14 12:08:32 2011 +0000
@@ -0,0 +1,61 @@
+/* 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 DIR_t &the_dir) {
+    dir = the_dir;
+}
+
+int FATDirHandle::closedir() {
+    delete this;
+    return 0;
+}
+
+struct dirent *FATDirHandle::readdir() {
+    FILINFO finfo;
+#if _USE_LFN
+    static char lfn[_MAX_LFN * (_LFN_UNICODE ? 2 : 1) + 1];
+    finfo.lfname = lfn;
+    finfo.lfsize = sizeof(lfn);
+#endif
+    FRESULT res = f_readdir(&dir, &finfo);
+    if(res != 0 || finfo.fname[0]==0) {
+        return NULL;
+    } else {
+        char* fn;
+        int stringSize = 0;
+#if _USE_LFN
+        fn = *finfo.lfname ? finfo.lfname : finfo.fname;
+        stringSize = finfo.lfsize;
+#else
+        fn = fno.fname;
+        stringSize =  sizeof(finfo.fname);
+#endif
+        memcpy(cur_entry.d_name, fn, stringSize);
+        return &cur_entry;
+    }
+}
+
+void FATDirHandle::rewinddir() {
+    dir.index = 0;
+}
+
+off_t FATDirHandle::telldir() {
+    return dir.index;
+}
+
+void FATDirHandle::seekdir(off_t location) {
+    dir.index = location;
+}
+
+}
+