Don't set errno when the regular end of directory is reached. Plus minor code

cleanup.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5677 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/cbm/readdir.c

@@ -52,18 +52,17 @@ struct dirent* __fastcall__ readdir (register DIR* dir)
         }
     }
 
-    /* End of directory is reached if the buffer contains "blocks free". It is
-     * sufficient here to check for the leading 'b'. To avoid problems if we're
-     * called again, read until end of directory.
-     */
-    if (count > 0 && buffer[0] == 'b') {
-        while (_dirread1 (dir, buffer)) ;
-        return 0;
-    }
-
     /* Bump the directory offset */
     dir->off += count;
 
+    /* End of directory is reached if the buffer contains "blocks free". It is
+     * sufficient here to check for the leading 'b'. buffer will contain at
+     * least one byte if we come here.
+     */
+    if (buffer[0] == 'b') {
+        goto exitpoint;
+    }
+
     /* Parse the buffer for the filename and file type */
     i = 0;
     j = 0;