First preview release.

param_instance.h

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+/*-
+ * Copyright (c) 2014 Poul-Henning Kamp
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Instantiate a set of parameters
+ * ===============================
+ *
+ * The #including file must #define the desired parameters from param_tbl.h
+ * into existence (PARAM_INSTANCE), and #define the desired name
+ * of the local parameter table (PARAM_TABLE_NAME), then include this
+ * file.
+ */
+
+#define PARAM_INSTANCE(nam, vmin, vmax, vdef, docs)		\
+	static double param_##nam = vdef;
+#include "param_tbl.h"
+#undef PARAM_INSTANCE
+
+/*lint -save -e785 */
+static struct param_tbl PARAM_TABLE_NAME[] = {
+#define PARAM_INSTANCE(nam, vmin, vmax, vdef, docs)		\
+	{ .name = #nam, .val = &param_##nam,			\
+	  .min = vmin, .max = vmax, .def = vdef, .doc = docs },
+#include "param_tbl.h"
+#undef PARAM_INSTANCE
+	{ .name = 0 }
+};
+/*lint -restore */