xref: /netbsd-src/crypto/external/bsd/openssl/dist/include/internal/namemap.h (revision b0d1725196a7921d003d2c66a14f186abda4176b)
1*b0d17251Schristos /*
2*b0d17251Schristos  * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
3*b0d17251Schristos  *
4*b0d17251Schristos  * Licensed under the Apache License 2.0 (the "License").  You may not use
5*b0d17251Schristos  * this file except in compliance with the License.  You can obtain a copy
6*b0d17251Schristos  * in the file LICENSE in the source distribution or at
7*b0d17251Schristos  * https://www.openssl.org/source/license.html
8*b0d17251Schristos  */
9*b0d17251Schristos 
10*b0d17251Schristos #include "internal/cryptlib.h"
11*b0d17251Schristos 
12*b0d17251Schristos typedef struct ossl_namemap_st OSSL_NAMEMAP;
13*b0d17251Schristos 
14*b0d17251Schristos OSSL_NAMEMAP *ossl_namemap_stored(OSSL_LIB_CTX *libctx);
15*b0d17251Schristos 
16*b0d17251Schristos OSSL_NAMEMAP *ossl_namemap_new(void);
17*b0d17251Schristos void ossl_namemap_free(OSSL_NAMEMAP *namemap);
18*b0d17251Schristos int ossl_namemap_empty(OSSL_NAMEMAP *namemap);
19*b0d17251Schristos 
20*b0d17251Schristos int ossl_namemap_add_name(OSSL_NAMEMAP *namemap, int number, const char *name);
21*b0d17251Schristos int ossl_namemap_add_name_n(OSSL_NAMEMAP *namemap, int number,
22*b0d17251Schristos                             const char *name, size_t name_len);
23*b0d17251Schristos 
24*b0d17251Schristos /*
25*b0d17251Schristos  * The number<->name relationship is 1<->many
26*b0d17251Schristos  * Therefore, the name->number mapping is a simple function, while the
27*b0d17251Schristos  * number->name mapping is an iterator.
28*b0d17251Schristos  */
29*b0d17251Schristos int ossl_namemap_name2num(const OSSL_NAMEMAP *namemap, const char *name);
30*b0d17251Schristos int ossl_namemap_name2num_n(const OSSL_NAMEMAP *namemap,
31*b0d17251Schristos                             const char *name, size_t name_len);
32*b0d17251Schristos const char *ossl_namemap_num2name(const OSSL_NAMEMAP *namemap, int number,
33*b0d17251Schristos                                   size_t idx);
34*b0d17251Schristos int ossl_namemap_doall_names(const OSSL_NAMEMAP *namemap, int number,
35*b0d17251Schristos                              void (*fn)(const char *name, void *data),
36*b0d17251Schristos                              void *data);
37*b0d17251Schristos 
38*b0d17251Schristos /*
39*b0d17251Schristos  * A utility that handles several names in a string, divided by a given
40*b0d17251Schristos  * separator.
41*b0d17251Schristos  */
42*b0d17251Schristos int ossl_namemap_add_names(OSSL_NAMEMAP *namemap, int number,
43*b0d17251Schristos                            const char *names, const char separator);
44