--- a/project_files/frontlib/util/buffer.h	Thu Jun 21 21:32:12 2012 +0200
+++ b/project_files/frontlib/util/buffer.h	Mon Jun 25 00:42:07 2012 +0200
@@ -26,7 +26,6 @@
 /**
  * Simple variable-capacity data structure that can be efficiently appended to.
  */
-struct _flib_vector;
 typedef struct _flib_vector flib_vector;
 
 /**
@@ -55,6 +54,12 @@
 int flib_vector_append(flib_vector *vec, const void *data, size_t len);
 
 /**
+ * Append data from a format string to the buffer (without trailing 0)
+ * Returns 0 on success.
+ */
+int flib_vector_appendf(flib_vector *vec, const char *template, ...);
+
+/**
  * Return a pointer to the current data buffer of the vector. This pointer can
  * become invalid if the vector size or capacity is changed.
  */