--- embedaddon/confuse/doc/html/reread_8c-example.html 2017/01/24 14:48:55 1.1.1.1 +++ embedaddon/confuse/doc/html/reread_8c-example.html 2021/03/17 00:49:17 1.1.1.2 @@ -1,104 +1,174 @@ - - + + - - confuse: reread.c - + + + +confuse: reread.c + + + + + + + +
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confuse +  3.3 +
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-
- - - - - +
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+
reread.c
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#include <err.h>
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#include <string.h>
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#include <signal.h>
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#include <unistd.h>
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#include <locale.h>
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#include "confuse.h"
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cfg_t *cfg = 0;
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const char *config_filename = "./reread.conf";
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void read_config(void)
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{
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static cfg_opt_t arg_opts[] = {
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CFG_STR("value", "default", CFGF_NONE),
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CFG_END()
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};
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cfg_opt_t opts[] = {
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CFG_INT("delay", 3, CFGF_NONE),
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CFG_STR("message", "This is a message", CFGF_NONE),
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CFG_SEC("argument", arg_opts, CFGF_MULTI | CFGF_TITLE),
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CFG_END()
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};
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char *buf = ""
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" delay = 3\n" "# message = \"asdfasfasfd tersf\"\n" " argument one { value = 1 }\n" " argument two { value=foo}\n";
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cfg_free(cfg);
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cfg = cfg_init(opts, 0);
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if (cfg_parse_buf(cfg, buf) != CFG_SUCCESS)
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errx(1, "Failed parsing configuration!\n");
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cfg_parse(cfg, config_filename);
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}
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void sighandler(int sig)
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{
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read_config();
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signal(SIGHUP, sighandler);
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}
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static int loop = 1;
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void usr1handler(int sig)
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{
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loop = 0;
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}
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int main(void)
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{
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unsigned int i;
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/* Localize messages & types according to environment, since v2.9 */
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#ifdef LC_MESSAGES
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setlocale(LC_MESSAGES, "");
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setlocale(LC_CTYPE, "");
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#endif
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read_config();
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signal(SIGHUP, sighandler);
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signal(SIGUSR1, usr1handler);
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while (loop) {
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printf("Message: %s", cfg_getstr(cfg, "message"));
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for (i = 0; i < cfg_size(cfg, "argument"); i++) {
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cfg_t *arg = cfg_getnsec(cfg, "argument", i);
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printf(", %s", cfg_getstr(arg, "value"));
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}
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printf("\n");
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sleep(cfg_getint(cfg, "delay"));
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}
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cfg_free(cfg);
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cfg = 0;
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return 0;
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}
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cfg_init
DLLIMPORT cfg_t *__export cfg_init(cfg_opt_t *opts, cfg_flag_t flags)
Create and initialize a cfg_t structure.
Definition: confuse.c:1816
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CFG_INT
#define CFG_INT(name, def, flags)
Initialize an integer option.
Definition: confuse.h:421
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cfg_size
DLLIMPORT unsigned int __export cfg_size(cfg_t *cfg, const char *name)
Return the number of values this option has.
Definition: confuse.c:406
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CFG_END
#define CFG_END()
Terminate list of options.
Definition: confuse.h:574
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CFG_STR
#define CFG_STR(name, def, flags)
Initialize a string option.
Definition: confuse.h:340
+
confuse.h
A configuration file parser library.
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CFGF_TITLE
#define CFGF_TITLE
option has a title (only applies to sections)
Definition: confuse.h:90
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cfg_parse_buf
DLLIMPORT int __export cfg_parse_buf(cfg_t *cfg, const char *buf)
Same as cfg_parse() above, but takes a character buffer as argument.
Definition: confuse.c:1777
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cfg_getnsec
DLLIMPORT cfg_t *__export cfg_getnsec(cfg_t *cfg, const char *name, unsigned int index)
Indexed version of cfg_getsec(), used for sections with the CFGF_MULTI flag set.
Definition: confuse.c:563
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cfg_parse
DLLIMPORT int __export cfg_parse(cfg_t *cfg, const char *filename)
Parse a configuration file.
Definition: confuse.c:1746
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cfg_opt_t
Data structure holding information about an option.
Definition: confuse.h:309
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CFG_SEC
#define CFG_SEC(name, opts, flags)
Initialize a section.
Definition: confuse.h:527
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CFGF_NONE
#define CFGF_NONE
Flags.
Definition: confuse.h:86
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CFGF_MULTI
#define CFGF_MULTI
option may be specified multiple times (only applies to sections)
Definition: confuse.h:87
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cfg_t
Data structure holding information about a "section".
Definition: confuse.h:252
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cfg_getint
DLLIMPORT long int __export cfg_getint(cfg_t *cfg, const char *name)
Returns the value of an integer option.
Definition: confuse.c:444
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cfg_free
DLLIMPORT int __export cfg_free(cfg_t *cfg)
Free a cfg_t context.
Definition: confuse.c:1962
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CFG_SUCCESS
#define CFG_SUCCESS
Return codes from cfg_parse(), cfg_parse_boolean(), and cfg_set*() functions.
Definition: confuse.h:105
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cfg_getstr
DLLIMPORT char *__export cfg_getstr(cfg_t *cfg, const char *name)
Returns the value of a string option.
Definition: confuse.c:519
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