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reread.c
#include <err.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <locale.h>
#include "confuse.h"
cfg_t *cfg = NULL;
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 = NULL;
return 0;
}
confuse.h
A configuration file parser library.
CFG_SEC
#define CFG_SEC(_name, _opts, _flags)
Initialize a section.
Definition confuse.h:790
CFGF_TITLE
#define CFGF_TITLE
option has a title (only applies to sections)
Definition confuse.h:86
CFGF_NONE
#define CFGF_NONE
Flags.
Definition confuse.h:82
CFG_SUCCESS
#define CFG_SUCCESS
Success, all OK (POSIX '0').
Definition confuse.h:103
CFG_END
#define CFG_END()
Terminate list of options.
Definition confuse.h:858
CFGF_MULTI
#define CFGF_MULTI
option may be specified multiple times (only applies to sections)
Definition confuse.h:83
CFG_STR
#define CFG_STR(name, def, flags)
Initialize a string option.
Definition confuse.h:367
CFG_INT
#define CFG_INT(name, def, flags)
Initialize an integer option.
Definition confuse.h:473
cfg_opt_t
Data structure holding information about an option.
Definition confuse.h:324
cfg_t
Data structure holding information about a "section".
Definition confuse.h:250