1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/opt.c	Fri Aug 29 03:45:25 2014 +0300
     1.3 @@ -0,0 +1,77 @@
     1.4 +#include <stdio.h>
     1.5 +#include <stdlib.h>
     1.6 +#include <string.h>
     1.7 +#include <errno.h>
     1.8 +#include "opt.h"
     1.9 +#include "rbtree.h"
    1.10 +
    1.11 +static void opt_del_func(struct rbnode *opt, void *cls)
    1.12 +{
    1.13 +	free(opt);
    1.14 +}
    1.15 +
    1.16 +void *create_options(void)
    1.17 +{
    1.18 +	struct rbtree *db = rb_create(RB_KEY_STRING);
    1.19 +	rb_set_delete_func(db, opt_del_func, 0);
    1.20 +	return db;
    1.21 +}
    1.22 +
    1.23 +void destroy_options(void *optdb)
    1.24 +{
    1.25 +	rb_destroy(optdb);
    1.26 +}
    1.27 +
    1.28 +void set_option_int(void *optdb, const char *key, int val)
    1.29 +{
    1.30 +	struct option *opt = malloc(sizeof *opt);
    1.31 +	if(!opt) {
    1.32 +		fprintf(stderr, "failed to set option: %s: %s\n", key, strerror(errno));
    1.33 +		return;
    1.34 +	}
    1.35 +	opt->type = OTYPE_INT;
    1.36 +	opt->ival = val;
    1.37 +	opt->fval = (float)val;
    1.38 +
    1.39 +	if(rb_insert(optdb, (void*)key, opt) == -1) {
    1.40 +		fprintf(stderr, "failed to set option: %s\n", key);
    1.41 +	}
    1.42 +}
    1.43 +
    1.44 +void set_option_float(void *optdb, const char *key, float val)
    1.45 +{
    1.46 +	struct option *opt = malloc(sizeof *opt);
    1.47 +	if(!opt) {
    1.48 +		fprintf(stderr, "failed to set option: %s: %s\n", key, strerror(errno));
    1.49 +		return;
    1.50 +	}
    1.51 +	opt->type = OTYPE_FLOAT;
    1.52 +	opt->fval = val;
    1.53 +	opt->ival = (int)val;
    1.54 +
    1.55 +	if(rb_insert(optdb, (void*)key, opt) == -1) {
    1.56 +		fprintf(stderr, "failed to set option: %s\n", key);
    1.57 +	}
    1.58 +}
    1.59 +
    1.60 +int get_option_int(void *optdb, const char *key, int *val)
    1.61 +{
    1.62 +	struct option *opt = rb_find(optdb, (void*)key);
    1.63 +	if(!opt) {
    1.64 +		*val = 0;
    1.65 +		return -1;
    1.66 +	}
    1.67 +	*val = opt->ival;
    1.68 +	return 0;
    1.69 +}
    1.70 +
    1.71 +int get_option_float(void *optdb, const char *key, float *val)
    1.72 +{
    1.73 +	struct option *opt = rb_find(optdb, (void*)key);
    1.74 +	if(!opt) {
    1.75 +		*val = 0.0f;
    1.76 +		return -1;
    1.77 +	}
    1.78 +	*val = opt->fval;
    1.79 +	return 0;
    1.80 +}