Adding the iterator over the dirutils objects...

1 files changed, 51 insertions, 0 deletions

diff --git a/lib/cdutils.cpp b/lib/cdutils.cpp
index d863927..607d42b 100644
--- a/lib/cdutils.cpp
+++ b/lib/cdutils.cpp
@@ -541,6 +541,57 @@ struct cdutils::DirEntry cdutils::find_dir_entry(struct DirEntry * dir, const St
     return r;
 }
 
+struct cdutils::DirEntry cdutils::get_next_dir_entry(struct DirEntry * dir, int * cursor, String & name) {
+    unsigned int ptr, size;
+    Uint8 * buffer;
+    struct DirEntry r = {0, 0, 0, 0, 0};
+    Uint32 Sector;
+    
+    if (!(dir->Flags & 2)) {
+	return r;
+    }
+    
+    size = from_LE32(dir->Size);
+    Sector = from_LE32(dir->Sector);
+    
+    buffer = (Uint8 *) malloc(size);
+    read_data(buffer, size, GUESS, Sector);
+    
+    dir = 0;
+    
+    ptr = 0;
+    if (*cursor < size) {
+	dir = (struct DirEntry *) &(buffer[*cursor]);
+	if (!dir->R) {
+	    (*cursor)++;
+	    if (*cursor < size) {
+	        dir = (struct DirEntry *) &(buffer[*cursor]);
+	    } else {
+	        dir = 0;
+	    }
+	}
+	if (dir)
+            *cursor += dir->R;
+    }
+    
+    if (dir && dir->R) {
+        if        ((dir->N == 1) && (dir->id[0] == 0)) {
+            name = ".";
+        } else if ((dir->N == 1) && (dir->id[0] == 1)) {
+            name = "..";
+        } else {
+            name = String(dir->id, dir->N);
+        }
+        
+        r = *dir;
+    } else {
+        name = "";
+    }
+    
+    free(buffer);
+    return r;
+}
+
 struct cdutils::DirEntry * cdutils::find_dir_entry(Byte ** bufout, struct cdutils::DirEntry * dir, const String & name) {
     unsigned int ptr, size;
     Byte * buffer;