xref: /freebsd/crypto/openssl/include/internal/namemap.h (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
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 
12 typedef struct ossl_namemap_st OSSL_NAMEMAP;
13 
14 OSSL_NAMEMAP *ossl_namemap_stored(OSSL_LIB_CTX *libctx);
15 
16 OSSL_NAMEMAP *ossl_namemap_new(void);
17 void ossl_namemap_free(OSSL_NAMEMAP *namemap);
18 int ossl_namemap_empty(OSSL_NAMEMAP *namemap);
19 
20 int ossl_namemap_add_name(OSSL_NAMEMAP *namemap, int number, const char *name);
21 int 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  */
29 int ossl_namemap_name2num(const OSSL_NAMEMAP *namemap, const char *name);
30 int ossl_namemap_name2num_n(const OSSL_NAMEMAP *namemap,
31                             const char *name, size_t name_len);
32 const char *ossl_namemap_num2name(const OSSL_NAMEMAP *namemap, int number,
33                                   size_t idx);
34 int 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  */
42 int ossl_namemap_add_names(OSSL_NAMEMAP *namemap, int number,
43                            const char *names, const char separator);
44