/*
 * Copyright © 2012, 2020 Nick Bowler
 *
 * 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 <https://www.gnu.org/licenses/>.
 */

#ifndef CDECL_TEST_H_
#define CDECL_TEST_H_

#include <stddef.h>
#include <stdbool.h>
#include <limits.h>
#include <assert.h>
#include <getopt.h>

#ifndef _
#  define _(x) (x)
#endif

static inline int
print_option_start(const struct option *opt, const char *argname)
{
	int w;

	if (!argname)
		argname = _("ARG");

	if (opt->val >= CHAR_MIN && opt->val <= CHAR_MAX) {
		switch (opt->has_arg) {
		case 0:
			w = printf(_("  -%c, --%s"), opt->val, opt->name);
			break;
		case 1:
			w = printf(_("  -%c, --%s=%s"),
			           opt->val, opt->name, argname);
			break;
		case 2:
			w = printf(_("  -%c, --%s[=%s]"),
			           opt->val, opt->name, argname);
			break;
		default:
			assert(0);
		}
	} else {
		switch (opt->has_arg) {
		case 0:
			w = printf(_("  --%s"), opt->name);
			break;
		case 1:
			w = printf(_("  --%s=%s"), opt->name, argname);
			break;
		case 2:
			w = printf(_("  --%s[=%s]"), opt->name, argname);
			break;
		default:
			assert(0);
		}
	}

	if (w > 18) {
		putchar('\n');
		w = 0;
	}

	return w;
}

struct cdecl_declspec;
struct cdecl;

void *malloc_nofail(size_t size);
void *realloc_nofail(void *ptr, size_t size);
void test_print_specifiers(struct cdecl_declspec *spec);
void test_print_decl(struct cdecl *decl);
void test_explain_decl(struct cdecl *decl);

bool strict_strtoul(unsigned long *val, const char *str, int base);

void test_print_version(const char *program);

#endif