include/crypto/sparse_array.h

   1 /*
   2  * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright (c) 2019, Oracle and/or its affiliates.  All rights reserved.
   4  *
   5  * Licensed under the Apache License 2.0 (the "License").  You may not use
   6  * this file except in compliance with the License.  You can obtain a copy
   7  * in the file LICENSE in the source distribution or at
   8  * https://www.openssl.org/source/license.html
   9  */
  10
  11 #ifndef OSSL_CRYPTO_SPARSE_ARRAY_H
  12 # define OSSL_CRYPTO_SPARSE_ARRAY_H
  13 # pragma once
  14
  15 # include <openssl/e_os2.h>
  16
  17 # ifdef __cplusplus
  18 extern "C" {
  19 # endif
  20
  21 # define SPARSE_ARRAY_OF(type) struct sparse_array_st_ ## type
  22
  23 # define DEFINE_SPARSE_ARRAY_OF_INTERNAL(type, ctype) \
  24     SPARSE_ARRAY_OF(type); \
  25     static ossl_unused ossl_inline SPARSE_ARRAY_OF(type) * \
  26         ossl_sa_##type##_new(void) \
  27     { \
  28         return (SPARSE_ARRAY_OF(type) *)OPENSSL_SA_new(); \
  29     } \
  30     static ossl_unused ossl_inline void ossl_sa_##type##_free(SPARSE_ARRAY_OF(type) *sa) \
  31     { \
  32         OPENSSL_SA_free((OPENSSL_SA *)sa); \
  33     } \
  34     static ossl_unused ossl_inline void ossl_sa_##type##_free_leaves(SPARSE_ARRAY_OF(type) *sa) \
  35     { \
  36         OPENSSL_SA_free_leaves((OPENSSL_SA *)sa); \
  37     } \
  38     static ossl_unused ossl_inline size_t ossl_sa_##type##_num(const SPARSE_ARRAY_OF(type) *sa) \
  39     { \
  40         return OPENSSL_SA_num((OPENSSL_SA *)sa); \
  41     } \
  42     static ossl_unused ossl_inline void ossl_sa_##type##_doall(const SPARSE_ARRAY_OF(type) *sa, \
  43                                                    void (*leaf)(ossl_uintmax_t, \
  44                                                                 type *)) \
  45     { \
  46         OPENSSL_SA_doall((OPENSSL_SA *)sa, (void (*)(ossl_uintmax_t, void *))leaf); \
  47     } \
  48     static ossl_unused ossl_inline \
  49     void ossl_sa_##type##_doall_arg(const SPARSE_ARRAY_OF(type) *sa, \
  50                                     void (*leaf)(ossl_uintmax_t, type *, void *), \
  51                                     void *arg) \
  52     { \
  53         OPENSSL_SA_doall_arg((OPENSSL_SA *)sa, (void (*)(ossl_uintmax_t, void *, \
  54                                                 void *))leaf, \
  55                              arg); \
  56     } \
  57     static ossl_unused ossl_inline ctype *ossl_sa_##type##_get(const SPARSE_ARRAY_OF(type) *sa, \
  58                                                   ossl_uintmax_t n) \
  59     { \
  60         return (type *)OPENSSL_SA_get((OPENSSL_SA *)sa, n); \
  61     } \
  62     static ossl_unused ossl_inline int ossl_sa_##type##_set(SPARSE_ARRAY_OF(type) *sa, \
  63                                                 ossl_uintmax_t n, ctype *val) \
  64     { \
  65         return OPENSSL_SA_set((OPENSSL_SA *)sa, n, (void *)val); \
  66     } \
  67     SPARSE_ARRAY_OF(type)
  68
  69 # define DEFINE_SPARSE_ARRAY_OF(type) \
  70     DEFINE_SPARSE_ARRAY_OF_INTERNAL(type, type)
  71 # define DEFINE_SPARSE_ARRAY_OF_CONST(type) \
  72     DEFINE_SPARSE_ARRAY_OF_INTERNAL(type, const type)
  73
  74 typedef struct sparse_array_st OPENSSL_SA;
  75 OPENSSL_SA *OPENSSL_SA_new(void);
  76 void OPENSSL_SA_free(OPENSSL_SA *sa);
  77 void OPENSSL_SA_free_leaves(OPENSSL_SA *sa);
  78 size_t OPENSSL_SA_num(const OPENSSL_SA *sa);
  79 void OPENSSL_SA_doall(const OPENSSL_SA *sa,
  80                       void (*leaf)(ossl_uintmax_t, void *));
  81 void OPENSSL_SA_doall_arg(const OPENSSL_SA *sa,
  82                           void (*leaf)(ossl_uintmax_t, void *, void *), void *);
  83 void *OPENSSL_SA_get(const OPENSSL_SA *sa, ossl_uintmax_t n);
  84 int OPENSSL_SA_set(OPENSSL_SA *sa, ossl_uintmax_t n, void *val);
  85
  86 # ifdef  __cplusplus
  87 }
  88 # endif
  89 #endif