cal: Added CAL parser from Calvaria

src/cal.h

@@ -0,0 +1,35 @@
+/*
+    0xFFFF - Open Free Fiasco Firmware Flasher
+    Copyright (c) 2011  Michael Buesch <mb@bu3sch.de>
+    Copyright (C) 2012  Pali Rohár <pali.rohar@gmail.com>
+
+    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, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#ifndef CAL_H
+#define CAL_H
+
+#define CAL_MAX_NAME_LEN	16
+#define CAL_FLAG_USER		0x0001
+#define CAL_FLAG_WRITE_ONCE	0x0002
+
+struct cal;
+
+int cal_init(struct cal ** cal_out);
+int cal_init_file(const char * file, struct cal ** cal_out);
+void cal_finish(struct cal * cal);
+int cal_read_block(struct cal * cal, const char * name, void ** ptr, unsigned long * len, unsigned long flags);
+
+#endif