#define _POSIX_C_SOURCE 200809L
#include "vars.h"

#include <stdbool.h>
#include <stddef.h>
#include <string.h>

#include "../hash_map/hash_map.h"

#define VARS_INITIAL_SIZE 16

struct hash_map *vars_init(void)
{
    return hash_map_init(VARS_INITIAL_SIZE);
}

char *get_var(const struct hash_map *vars, const char *key)
{
    return (char *)hash_map_get(vars, key);
}

bool set_var(struct hash_map *vars, const char *key, const char *value)
{
    if (key == NULL || value == NULL)
        return false;
    return hash_map_insert(vars, key, (void *)value, NULL);
}

bool set_var_copy(struct hash_map *vars, const char *key, const char *value)
{
    return set_var(vars, strdup(key), strdup(value));
}