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Annotation of embedaddon/confuse/examples/simple.c, revision 1.1.1.2

1.1.1.2 ! misho       1: #define _GNU_SOURCE
1.1       misho       2: #include <string.h>
                      3: #include <stdlib.h>
1.1.1.2 ! misho       4: #include <locale.h>
1.1       misho       5: #include "confuse.h"
                      6: 
                      7: int main(void)
                      8: {
1.1.1.2 ! misho       9:        static cfg_bool_t verbose = cfg_false;
        !            10:        static char *server = NULL;
        !            11:        static double delay = 1.356e-32;
        !            12:        static char *username = NULL;
        !            13: 
        !            14:        /* Although the macro used to specify an integer option is called
        !            15:         * CFG_SIMPLE_INT(), it actually expects a long int. On a 64 bit system
        !            16:         * where ints are 32 bit and longs 64 bit (such as the x86-64 or amd64
        !            17:         * architectures), you will get weird effects if you use an int here.
        !            18:         *
        !            19:         * If you use the regular (non-"simple") options, ie CFG_INT() and use
        !            20:         * cfg_getint(), this is not a problem as the data types are implicitly
        !            21:         * cast.
        !            22:         */
        !            23:        static long int debug = 1;
        !            24: 
        !            25:        cfg_opt_t opts[] = {
        !            26:                CFG_SIMPLE_BOOL("verbose", &verbose),
        !            27:                CFG_SIMPLE_STR("server", &server),
        !            28:                CFG_SIMPLE_STR("user", &username),
        !            29:                CFG_SIMPLE_INT("debug", &debug),
        !            30:                CFG_SIMPLE_FLOAT("delay", &delay),
        !            31:                CFG_END()
        !            32:        };
        !            33:        cfg_t *cfg;
        !            34: 
        !            35:        /* Localize messages & types according to environment, since v2.9 */
        !            36: #ifdef LC_MESSAGES
        !            37:        setlocale(LC_MESSAGES, "");
        !            38:        setlocale(LC_CTYPE, "");
        !            39: #endif
        !            40: 
        !            41:        /* set default value for the server option */
        !            42:        server = strdup("gazonk");
        !            43: 
        !            44:        cfg = cfg_init(opts, 0);
        !            45:        cfg_parse(cfg, "simple.conf");
        !            46: 
        !            47:        printf("verbose: %s\n", verbose ? "true" : "false");
        !            48:        printf("server: %s\n", server);
        !            49:        printf("username: %s\n", username);
        !            50:        printf("debug: %ld\n", debug);
        !            51:        printf("delay: %G\n", delay);
        !            52: 
        !            53:        printf("setting username to 'foo'\n");
        !            54:        /* using cfg_setstr here is not necessary at all, the equivalent
        !            55:         * code is:
        !            56:         *   free(username);
        !            57:         *   username = strdup("foo");
        !            58:         */
        !            59:        cfg_setstr(cfg, "user", "foo");
        !            60:        printf("username: %s\n", username);
        !            61: 
        !            62:        /* print the parsed values to another file */
        !            63:        {
        !            64:                FILE *fp = fopen("simple.conf.out", "w");
        !            65: 
        !            66:                cfg_print(cfg, fp);
        !            67:                fclose(fp);
        !            68:        }
        !            69: 
        !            70:        cfg_free(cfg);
        !            71: 
        !            72:        /* You are responsible for freeing string values. */
        !            73:        free(server);
        !            74:        free(username);
1.1       misho      75: 
1.1.1.2 ! misho      76:        return 0;
1.1       misho      77: }