Add a header file for fundamental constants/defines

src/Makefile.am

@@ -172,6 +172,7 @@ fellow_sources = \
 	compiler.h \
 	debug.h \
 	$(fellow_state_tables) \
+	fellow_const.h \
 	fellow_debug.h \
 	fellow_inject.h \
 	fellow_io_backend.h \
@@ -255,6 +256,7 @@ fellow_log_dbg_SOURCES = fellow_log_dbg.c \
 	buddy.h \
 	buddy_util.h \
 	$(fellow_state_tables) \
+	fellow_const.h \
 	fellow_debug.h \
 	fellow_io_backend.h \
 	fellow_io.h \

src/fellow_const.h

+/*-
+ * SPDX-License-Identifier: LGPL-2.1-only
+ * Copyright 2022 UPLEX Nils Goroll Systemoptimierung. All rights reserved.
+ * Author: Nils Goroll <nils.goroll@uplex.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA Also add information on how to contact you by
+ * electronic and paper mail.
+ */
+
+// minimum disk block = 4096 bytes
+#define MIN_FELLOW_BITS 12
+#define MIN_FELLOW_BLOCK ((size_t)1 << MIN_FELLOW_BITS)
+#define FELLOW_BLOCK_ALIGN (MIN_FELLOW_BLOCK - 1)
+#define FELLOW_BLOCK_RNDUP(off)					\
+	(((off) + FELLOW_BLOCK_ALIGN) & ~FELLOW_BLOCK_ALIGN)

src/fellow_io.h

@@ -20,12 +20,7 @@
  * electronic and paper mail.
  */
 
-// minimum disk block = 4096 bytes
-#define MIN_FELLOW_BITS 12
-#define MIN_FELLOW_BLOCK ((size_t)1 << MIN_FELLOW_BITS)
-#define FELLOW_BLOCK_ALIGN (MIN_FELLOW_BLOCK - 1)
-#define FELLOW_BLOCK_RNDUP(off)					\
-	(((off) + FELLOW_BLOCK_ALIGN) & ~FELLOW_BLOCK_ALIGN)
+#include "fellow_const.h"
 
 /*
  * fdb encodes offset and size in a single off_t