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confuse 3.3

#include <err.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <locale.h>
#include "confuse.h"

cfg_t *cfg = 0;
const char *config_filename = "./reread.conf";

void read_config(void)
{
	static cfg_opt_t arg_opts[] = {
		CFG_STR("value", "default", CFGF_NONE),
		CFG_END()
	};
	cfg_opt_t opts[] = {
		CFG_INT("delay", 3, CFGF_NONE),
		CFG_STR("message", "This is a message", CFGF_NONE),
		CFG_SEC("argument", arg_opts, CFGF_MULTI | CFGF_TITLE),
		CFG_END()
	};

	char *buf = ""
	    " delay = 3\n" "# message = \"asdfasfasfd tersf\"\n" " argument one { value = 1 }\n" " argument two { value=foo}\n";

	cfg_free(cfg);

	cfg = cfg_init(opts, 0);
	if (cfg_parse_buf(cfg, buf) != CFG_SUCCESS)
		errx(1, "Failed parsing configuration!\n");

	cfg_parse(cfg, config_filename);
}

void sighandler(int sig)
{
	read_config();
	signal(SIGHUP, sighandler);
}

static int loop = 1;

void usr1handler(int sig)
{
	loop = 0;
}

int main(void)
{
	unsigned int i;

	/* Localize messages & types according to environment, since v2.9 */
#ifdef LC_MESSAGES
	setlocale(LC_MESSAGES, "");
	setlocale(LC_CTYPE, "");
#endif

	read_config();
	signal(SIGHUP, sighandler);
	signal(SIGUSR1, usr1handler);

	while (loop) {
		printf("Message: %s", cfg_getstr(cfg, "message"));
		for (i = 0; i < cfg_size(cfg, "argument"); i++) {
			cfg_t *arg = cfg_getnsec(cfg, "argument", i);

			printf(", %s", cfg_getstr(arg, "value"));
		}
		printf("\n");

		sleep(cfg_getint(cfg, "delay"));
	}

	cfg_free(cfg);
	cfg = 0;

	return 0;
}