API overhaul part 1: removal of nullchar

backend/gridmtx.c

@@ -0,0 +1,39 @@
+/*  gridmtx.c - Grid Matrix
+
+    libzint - the open source barcode library
+    Copyright (C) 2009 Robin Stuart <robin@zint.org.uk>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+/* This file impliments Grid Matrix as specified in
+   AIM Global Document Number AIMD014 Rev. 1.63 Revised 9 Dec 2008 */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifdef _MSC_VER
+#include <malloc.h> 
+#endif
+#include "common.h"
+#include "reedsol.h"
+#include "gridmtx.h"
+
+int grid_matrix(struct zint_symbol *symbol, unsigned char source[])
+{
+	
+	strcpy(symbol->errtxt, "Grid Matrix not yet implemented");
+	return ERROR_INVALID_OPTION;
+}