1/*
2 * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License").  You may not use
5 * this file except in compliance with the License.  You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include "internal/cryptlib.h"
11
12typedef struct ossl_namemap_st OSSL_NAMEMAP;
13
14OSSL_NAMEMAP *ossl_namemap_stored(OSSL_LIB_CTX *libctx);
15
16OSSL_NAMEMAP *ossl_namemap_new(void);
17void ossl_namemap_free(OSSL_NAMEMAP *namemap);
18int ossl_namemap_empty(OSSL_NAMEMAP *namemap);
19
20int ossl_namemap_add_name(OSSL_NAMEMAP *namemap, int number, const char *name);
21int ossl_namemap_add_name_n(OSSL_NAMEMAP *namemap, int number,
22                            const char *name, size_t name_len);
23
24/*
25 * The number<->name relationship is 1<->many
26 * Therefore, the name->number mapping is a simple function, while the
27 * number->name mapping is an iterator.
28 */
29int ossl_namemap_name2num(const OSSL_NAMEMAP *namemap, const char *name);
30int ossl_namemap_name2num_n(const OSSL_NAMEMAP *namemap,
31                            const char *name, size_t name_len);
32const char *ossl_namemap_num2name(const OSSL_NAMEMAP *namemap, int number,
33                                  size_t idx);
34int ossl_namemap_doall_names(const OSSL_NAMEMAP *namemap, int number,
35                             void (*fn)(const char *name, void *data),
36                             void *data);
37
38/*
39 * A utility that handles several names in a string, divided by a given
40 * separator.
41 */
42int ossl_namemap_add_names(OSSL_NAMEMAP *namemap, int number,
43                           const char *names, const char separator);
44