--- embedaddon/confuse/doc/html/simple_8c-example.html 2017/01/24 14:48:55 1.1 +++ embedaddon/confuse/doc/html/simple_8c-example.html 2021/03/17 00:49:17 1.1.1.2 @@ -1,98 +1,167 @@ - - + + - - confuse: simple.c - + + + +confuse: simple.c + + + + + + + +
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confuse +  3.3 +
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-
- - - - - +
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simple.c
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdlib.h>
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#include <locale.h>
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#include "confuse.h"
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int main(void)
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{
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static cfg_bool_t verbose = cfg_false;
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static char *server = NULL;
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static double delay = 1.356e-32;
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static char *username = NULL;
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/* Although the macro used to specify an integer option is called
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* CFG_SIMPLE_INT(), it actually expects a long int. On a 64 bit system
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* where ints are 32 bit and longs 64 bit (such as the x86-64 or amd64
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* architectures), you will get weird effects if you use an int here.
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*
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* If you use the regular (non-"simple") options, ie CFG_INT() and use
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* cfg_getint(), this is not a problem as the data types are implicitly
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* cast.
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*/
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static long int debug = 1;
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cfg_opt_t opts[] = {
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CFG_SIMPLE_BOOL("verbose", &verbose),
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CFG_SIMPLE_STR("server", &server),
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CFG_SIMPLE_STR("user", &username),
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CFG_SIMPLE_INT("debug", &debug),
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CFG_SIMPLE_FLOAT("delay", &delay),
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CFG_END()
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};
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cfg_t *cfg;
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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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/* set default value for the server option */
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server = strdup("gazonk");
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cfg = cfg_init(opts, 0);
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cfg_parse(cfg, "simple.conf");
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printf("verbose: %s\n", verbose ? "true" : "false");
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printf("server: %s\n", server);
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printf("username: %s\n", username);
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printf("debug: %ld\n", debug);
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printf("delay: %G\n", delay);
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printf("setting username to 'foo'\n");
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/* using cfg_setstr here is not necessary at all, the equivalent
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* code is:
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* free(username);
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* username = strdup("foo");
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*/
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cfg_setstr(cfg, "user", "foo");
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printf("username: %s\n", username);
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/* print the parsed values to another file */
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{
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FILE *fp = fopen("simple.conf.out", "w");
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cfg_print(cfg, fp);
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fclose(fp);
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}
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cfg_free(cfg);
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/* You are responsible for freeing string values. */
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free(server);
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free(username);
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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_SIMPLE_BOOL
#define CFG_SIMPLE_BOOL(name, svalue)
Initialize a "simple" boolean option (see documentation for CFG_SIMPLE_STR for more information).
Definition: confuse.h:511
+
CFG_SIMPLE_FLOAT
#define CFG_SIMPLE_FLOAT(name, svalue)
Initialize a "simple" floating point option (see documentation for CFG_SIMPLE_STR for more informatio...
Definition: confuse.h:478
+
cfg_setstr
DLLIMPORT int __export cfg_setstr(cfg_t *cfg, const char *name, const char *value)
Set the value of a string option given its name.
Definition: confuse.c:2211
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CFG_END
#define CFG_END()
Terminate list of options.
Definition: confuse.h:574
+
confuse.h
A configuration file parser library.
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CFG_SIMPLE_STR
#define CFG_SIMPLE_STR(name, svalue)
Initialize a "simple" string option.
Definition: confuse.h:410
+
cfg_print
DLLIMPORT int __export cfg_print(cfg_t *cfg, FILE *fp)
Print the options and values to a file.
Definition: confuse.c:2548
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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_t
Data structure holding information about a "section".
Definition: confuse.h:252
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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_SIMPLE_INT
#define CFG_SIMPLE_INT(name, svalue)
Initialize a "simple" integer option (see documentation for CFG_SIMPLE_STR for more information).
Definition: confuse.h:445
+
cfg_bool_t
cfg_bool_t
Boolean values.
Definition: confuse.h:232
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