confuse: reread.c

# reread.c

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

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

    void read_config(void)
    {
        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()
        };
        int ret;

        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);
        ret = cfg_parse_buf(cfg, buf);
        ret = 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;

        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;
    }