1 /* Copyright (c) 2017, Google Inc. 2 * 3 * Permission to use, copy, modify, and/or distribute this software for any 4 * purpose with or without fee is hereby granted, provided that the above 5 * copyright notice and this permission notice appear in all copies. 6 * 7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ 14 15 #ifndef OPENSSL_HEADER_CRYPTO_ERR_INTERNAL_H 16 #define OPENSSL_HEADER_CRYPTO_ERR_INTERNAL_H 17 18 #include <openssl/err.h> 19 20 #if defined(__cplusplus) 21 extern "C" { 22 #endif 23 24 25 // Private error queue functions. 26 27 // ERR_SAVE_STATE contains a saved representation of the error queue. It is 28 // slightly more compact than |ERR_STATE| as the error queue will typically not 29 // contain |ERR_NUM_ERRORS| entries. 30 typedef struct err_save_state_st ERR_SAVE_STATE; 31 32 // ERR_SAVE_STATE_free releases all memory associated with |state|. 33 OPENSSL_EXPORT void ERR_SAVE_STATE_free(ERR_SAVE_STATE *state); 34 35 // ERR_save_state returns a newly-allocated |ERR_SAVE_STATE| structure 36 // containing the current state of the error queue or NULL on allocation 37 // error. It should be released with |ERR_SAVE_STATE_free|. 38 OPENSSL_EXPORT ERR_SAVE_STATE *ERR_save_state(void); 39 40 // ERR_restore_state clears the error queue and replaces it with |state|. 41 OPENSSL_EXPORT void ERR_restore_state(const ERR_SAVE_STATE *state); 42 43 44 #if defined(__cplusplus) 45 } // extern C 46 47 extern "C++" { 48 49 namespace bssl { 50 51 BORINGSSL_MAKE_DELETER(ERR_SAVE_STATE, ERR_SAVE_STATE_free) 52 53 } // namespace bssl 54 55 } // extern C++ 56 #endif 57 58 #endif // OPENSSL_HEADER_CRYPTO_ERR_INTERNAL_H 59
