str_constpool.c

Go to the documentation of this file.

// SPDX-FileCopyrightText: 2019 thestr4ng3r <info@florianmaerkl.de>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include "rz_util/rz_str_constpool.h"
 
static void kv_fini(HtPPKv *kv) {
    free(kv->key);
}
 
RZ_API bool rz_str_constpool_init(RzStrConstPool *pool) {
    pool->ht = ht_pp_new(NULL, kv_fini, NULL);
    return pool->ht != NULL;
}
 
RZ_API void rz_str_constpool_fini(RzStrConstPool *pool) {
    ht_pp_free(pool->ht);
}
 
RZ_API const char *rz_str_constpool_get(RzStrConstPool *pool, const char *str) {
    if (!str) {
        return NULL;
    }
    HtPPKv *kv = ht_pp_find_kv(pool->ht, str, NULL);
    if (kv) {
        return kv->key;
    }
    ht_pp_insert(pool->ht, str, NULL);
    kv = ht_pp_find_kv(pool->ht, str, NULL);
    if (kv) {
        return kv->key;
    }
    return NULL;
}