Moved enum_name_t to utils folder

src/libstrongswan/utils/enum.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2006 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#include <stddef.h>
+#include <stdio.h>
+
+#include <library.h>
+
+#include "enum.h"
+
+/**
+ * See header.
+ */
+char *enum_to_name(enum_name_t *e, int val)
+{
+	do
+	{
+		if (val >= e->first && val <= e->last)
+		{
+			return e->names[val - e->first];
+		}
+	}
+	while ((e = e->next));
+	return NULL;
+}
+
+/**
+ * See header.
+ */
+int enum_from_name(enum_name_t *e, char *name)
+{
+	do
+	{
+		int i, count = e->last - e->first + 1;
+
+		for (i = 0; i < count; i++)
+		{
+			if (strcaseeq(name, e->names[i]))
+			{
+				return e->first + i;
+			}
+		}
+	}
+	while ((e = e->next));
+	return -1;
+}
+
+/**
+ * Described in header.
+ */
+int enum_printf_hook(printf_hook_data_t *data, printf_hook_spec_t *spec,
+					 const void *const *args)
+{
+	enum_name_t *ed = *((enum_name_t**)(args[0]));
+	int val = *((int*)(args[1]));
+	char *name, buf[32];
+
+	name = enum_to_name(ed, val);
+	if (name == NULL)
+	{
+		snprintf(buf, sizeof(buf), "(%d)", val);
+		name = buf;
+	}
+	if (spec->minus)
+	{
+		return print_in_hook(data, "%-*s", spec->width, name);
+	}
+	return print_in_hook(data, "%*s", spec->width, name);
+}