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namemap.h revision 1.1 
      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