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Diffstat (limited to 'src/include/openssl/err.h')
| -rw-r--r-- | src/include/openssl/err.h | 544 |
1 files changed, 544 insertions, 0 deletions
diff --git a/src/include/openssl/err.h b/src/include/openssl/err.h new file mode 100644 index 0000000..c749659 --- /dev/null +++ b/src/include/openssl/err.h @@ -0,0 +1,544 @@ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ +/* ==================================================================== + * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). */ + +#ifndef OPENSSL_HEADER_ERR_H +#define OPENSSL_HEADER_ERR_H + +#include <openssl/base.h> +#include <openssl/thread.h> +#include <openssl/lhash.h> + +#if defined(__cplusplus) +extern "C" { +#endif + + +/* Error queue handling functions. + * + * Errors in OpenSSL are generally signalled by the return value of a function. + * When a function fails it may add an entry to a per-thread error queue, + * which is managed by the functions in this header. + * + * Each error contains: + * 1) The library (i.e. ec, pem, rsa) which created it. + * 2) A function identifier and reason code. + * 3) The file and line number of the call that added the error. + * 4) A pointer to some error specific data, which may be NULL. + * + * The library identifier, function identifier and reason code are packed in a + * uint32_t and there exist various functions for unpacking it. + * + * The typical behaviour is that an error will occur deep in a call queue and + * that code will push an error onto the error queue. As the error queue + * unwinds, other functions will push their own errors. Thus, the "least + * recent" error is the most specific and the other errors will provide a + * backtrace of sorts. */ + + +/* Startup and shutdown. */ + +/* ERR_load_crypto_strings initialises the error string hash with builtin + * values. If this is not called then the string forms of errors produced by + * the functions below will contain numeric identifiers rather than + * human-readable strings. */ +OPENSSL_EXPORT void ERR_load_crypto_strings(void); + +/* ERR_free_strings frees any memory retained by the error system, expect for + * per-thread structures which are assumed to have already been freed with + * |ERR_remove_thread_state|. This should only be called at process + * shutdown. */ +OPENSSL_EXPORT void ERR_free_strings(void); + + +/* Reading and formatting errors. */ + +/* ERR_get_error gets the packed error code for the least recent error and + * removes that error from the queue. If there are no errors in the queue then + * it returns zero. */ +OPENSSL_EXPORT uint32_t ERR_get_error(void); + +/* ERR_get_error_line acts like |ERR_get_error|, except that the file and line + * number of the call that added the error are also returned. */ +OPENSSL_EXPORT uint32_t ERR_get_error_line(const char **file, int *line); + +/* ERR_get_error_line_data acts like |ERR_get_error_line|, but also returns the + * error-specific data pointer and flags. The flags are a bitwise-OR of + * |ERR_FLAG_*| values. The error-specific data is owned by the error queue + * and the pointer becomes invalid after the next call that affects the same + * thread's error queue. If |*flags| contains |ERR_FLAG_STRING| then |*data| is + * human-readable. */ +OPENSSL_EXPORT uint32_t ERR_get_error_line_data(const char **file, int *line, + const char **data, int *flags); + +/* The "peek" functions act like the |ERR_get_error| functions, above, but they + * do not remove the error from the queue. */ +OPENSSL_EXPORT uint32_t ERR_peek_error(void); +OPENSSL_EXPORT uint32_t ERR_peek_error_line(const char **file, int *line); +OPENSSL_EXPORT uint32_t ERR_peek_error_line_data(const char **file, int *line, + const char **data, int *flags); + +/* The "peek last" functions act like the "peek" functions, above, except that + * they return the most recent error. */ +OPENSSL_EXPORT uint32_t ERR_peek_last_error(void); +OPENSSL_EXPORT uint32_t ERR_peek_last_error_line(const char **file, int *line); +OPENSSL_EXPORT uint32_t ERR_peek_last_error_line_data(const char **file, + int *line, + const char **data, + int *flags); + +/* ERR_error_string generates a human-readable string representing + * |packed_error|, places it at |buf| (which must be at least + * ERR_ERROR_STRING_BUF_LEN bytes long) and returns |buf|. If |buf| is NULL, + * the error string is placed in a static buffer which is returned. (The static + * buffer may be overridden by concurrent calls in other threads so this form + * is deprecated.) + * + * The string will have the following format: + * + * error:[error code]:[library name]:[function name]:[reason string] + * + * error code is an 8 digit hexadecimal number; library name, function name + * and reason string are ASCII text. + * + * TODO(fork): remove in favour of |ERR_error_string_n|. */ +OPENSSL_EXPORT char *ERR_error_string(uint32_t packed_error, char *buf); +#define ERR_ERROR_STRING_BUF_LEN 256 + +/* ERR_error_string_n is a variant of |ERR_error_string| that writes at most + * len characters (including the terminating NUL) and truncates the string if + * necessary. If |len| is greater than zero then |buf| is always NUL + * terminated. */ +OPENSSL_EXPORT void ERR_error_string_n(uint32_t packed_error, char *buf, + size_t len); + +/* ERR_lib_error_string returns a string representation of the library that + * generated |packed_error|. */ +OPENSSL_EXPORT const char *ERR_lib_error_string(uint32_t packed_error); + +/* ERR_func_error_string returns a string representation of the function that + * generated |packed_error|. */ +OPENSSL_EXPORT const char *ERR_func_error_string(uint32_t packed_error); + +/* ERR_reason_error_string returns a string representation of the reason for + * |packed_error|. */ +OPENSSL_EXPORT const char *ERR_reason_error_string(uint32_t packed_error); + +/* ERR_print_errors_callback_t is the type of a function used by + * |ERR_print_errors_cb|. It takes a pointer to a human readable string (and + * its length) that describes an entry in the error queue. The |ctx| argument + * is an opaque pointer given to |ERR_print_errors_cb|. + * + * It should return one on success or zero on error, which will stop the + * iteration over the error queue. */ +typedef int (*ERR_print_errors_callback_t)(const char *str, size_t len, + void *ctx); + +/* ERR_print_errors_cb calls |callback| with a string representation of each + * error in the current thread's error queue, from the least recent to the most + * recent error. + * + * The string will have the following format (which differs from + * |ERR_error_string|): + * + * [thread id]:error:[error code]:[library name]:[function name]: + * [reason string]:[file]:[line number]:[optional string data] + * + * (All in one line.) + * + * The callback can return one to continue the iteration or zero to stop it. + * The |ctx| argument is an opaque value that is passed through to the + * callback. */ +OPENSSL_EXPORT void ERR_print_errors_cb(ERR_print_errors_callback_t callback, + void *ctx); + + +/* Clearing errors. */ + +/* ERR_clear_error clears the error queue for the current thread. */ +OPENSSL_EXPORT void ERR_clear_error(void); + +/* ERR_remove_thread_state deletes the error queue for the given thread. If + * |tid| is NULL then the error queue for the current thread is deleted. */ +OPENSSL_EXPORT void ERR_remove_thread_state(const CRYPTO_THREADID *tid); + + +/* Custom errors. */ + +/* ERR_get_next_error_library returns a value suitable for passing as the + * |library| argument to |ERR_put_error|. This is intended for code that wishes + * to push its own, non-standard errors to the error queue. */ +OPENSSL_EXPORT int ERR_get_next_error_library(void); + + +/* Private functions. */ + +/* ERR_clear_system_error clears the system's error value (i.e. errno). */ +OPENSSL_EXPORT void ERR_clear_system_error(void); + +/* OPENSSL_PUT_ERROR is used by OpenSSL code to add an error to the error + * queue. */ +#define OPENSSL_PUT_ERROR(library, func, reason) \ + ERR_put_error(ERR_LIB_##library, library##_F_##func, reason, __FILE__, \ + __LINE__) + +/* OPENSSL_PUT_SYSTEM_ERROR is used by OpenSSL code to add an error from the + * operating system to the error queue. */ +/* TODO(fork): include errno. */ +#define OPENSSL_PUT_SYSTEM_ERROR(func) \ + ERR_put_error(ERR_LIB_SYS, SYS_F_##func, 0, __FILE__, __LINE__); + +/* ERR_put_error adds an error to the error queue, dropping the least recent + * error if neccessary for space reasons. */ +OPENSSL_EXPORT void ERR_put_error(int library, int func, int reason, + const char *file, unsigned line); + +/* ERR_add_error_data takes a variable number (|count|) of const char* + * pointers, concatenates them and sets the result as the data on the most + * recent error. */ +OPENSSL_EXPORT void ERR_add_error_data(unsigned count, ...); + +/* ERR_add_error_dataf takes a printf-style format and arguments, and sets the + * result as the data on the most recent error. */ +OPENSSL_EXPORT void ERR_add_error_dataf(const char *format, ...); + +/* ERR_set_mark "marks" the most recent error for use with |ERR_pop_to_mark|. + * It returns one if an error was marked and zero if there are no errors. */ +OPENSSL_EXPORT int ERR_set_mark(void); + +/* ERR_pop_to_mark removes errors from the most recent to the least recent + * until (and not including) a "marked" error. It returns zero if no marked + * error was found (and thus all errors were removed) and one otherwise. Errors + * are marked using |ERR_set_mark|. */ +OPENSSL_EXPORT int ERR_pop_to_mark(void); + +struct err_error_st { + /* file contains the filename where the error occured. */ + const char *file; + /* data contains optional data. It must be freed with |OPENSSL_free| if + * |flags&ERR_FLAG_MALLOCED|. */ + char *data; + /* packed contains the error library, function and reason, as packed by + * ERR_PACK. */ + uint32_t packed; + /* line contains the line number where the error occured. */ + uint16_t line; + /* flags contains a bitwise-OR of ERR_FLAG_* values. */ + uint8_t flags; +}; + +/* ERR_FLAG_STRING means that the |data| member is a NUL-terminated string that + * can be printed. */ +#define ERR_FLAG_STRING 1 +/* ERR_TXT_STRING is provided for compatibility with code that assumes that + * it's using OpenSSL. */ +#define ERR_TXT_STRING ERR_FLAG_STRING + +/* ERR_FLAG_PUBLIC_MASK is applied to the flags field before it is returned + * from functions like |ERR_get_error_line_data|. */ +#define ERR_FLAG_PUBLIC_MASK 0xf + +/* The following flag values are internal and are masked when flags are + * returned from functions like |ERR_get_error_line_data|. */ + +/* ERR_FLAG_MALLOCED means the the |data| member must be freed when no longer + * needed. */ +#define ERR_FLAG_MALLOCED 16 +/* ERR_FLAG_MARK is used to indicate a reversion point in the queue. See + * |ERR_pop_to_mark|. */ +#define ERR_FLAG_MARK 32 + +/* ERR_NUM_ERRORS is the limit of the number of errors in the queue. */ +#define ERR_NUM_ERRORS 16 + +/* ERR_STATE contains the per-thread, error queue. */ +typedef struct err_state_st { + /* tid is the identifier of the thread that owns this queue. */ + CRYPTO_THREADID tid; + + /* errors contains the ERR_NUM_ERRORS most recent errors, organised as a ring + * buffer. */ + struct err_error_st errors[ERR_NUM_ERRORS]; + /* top contains the index one past the most recent error. If |top| equals + * |bottom| then the queue is empty. */ + unsigned top; + /* bottom contains the index of the last error in the queue. */ + unsigned bottom; + + /* to_free, if not NULL, contains a pointer owned by this structure that was + * previously a |data| pointer of one of the elements of |errors|. */ + void *to_free; +} ERR_STATE; + +enum { + ERR_LIB_NONE = 1, + ERR_LIB_SYS, + ERR_LIB_BN, + ERR_LIB_RSA, + ERR_LIB_DH, + ERR_LIB_EVP, + ERR_LIB_BUF, + ERR_LIB_OBJ, + ERR_LIB_PEM, + ERR_LIB_DSA, + ERR_LIB_X509, + ERR_LIB_ASN1, + ERR_LIB_CONF, + ERR_LIB_CRYPTO, + ERR_LIB_EC, + ERR_LIB_SSL, + ERR_LIB_BIO, + ERR_LIB_PKCS7, + ERR_LIB_PKCS8, + ERR_LIB_X509V3, + ERR_LIB_RAND, + ERR_LIB_ENGINE, + ERR_LIB_OCSP, + ERR_LIB_UI, + ERR_LIB_COMP, + ERR_LIB_ECDSA, + ERR_LIB_ECDH, + ERR_LIB_HMAC, + ERR_LIB_DIGEST, + ERR_LIB_CIPHER, + ERR_LIB_USER, + ERR_LIB_HKDF, + ERR_NUM_LIBS +}; + +#define ERR_R_SYS_LIB ERR_LIB_SYS +#define ERR_R_BN_LIB ERR_LIB_BN +#define ERR_R_RSA_LIB ERR_LIB_RSA +#define ERR_R_DH_LIB ERR_LIB_DH +#define ERR_R_EVP_LIB ERR_LIB_EVP +#define ERR_R_BUF_LIB ERR_LIB_BUF +#define ERR_R_OBJ_LIB ERR_LIB_OBJ +#define ERR_R_PEM_LIB ERR_LIB_PEM +#define ERR_R_DSA_LIB ERR_LIB_DSA +#define ERR_R_X509_LIB ERR_LIB_X509 +#define ERR_R_ASN1_LIB ERR_LIB_ASN1 +#define ERR_R_CONF_LIB ERR_LIB_CONF +#define ERR_R_CRYPTO_LIB ERR_LIB_CRYPTO +#define ERR_R_EC_LIB ERR_LIB_EC +#define ERR_R_SSL_LIB ERR_LIB_SSL +#define ERR_R_BIO_LIB ERR_LIB_BIO +#define ERR_R_PKCS7_LIB ERR_LIB_PKCS7 +#define ERR_R_PKCS8_LIB ERR_LIB_PKCS8 +#define ERR_R_X509V3_LIB ERR_LIB_X509V3 +#define ERR_R_RAND_LIB ERR_LIB_RAND +#define ERR_R_DSO_LIB ERR_LIB_DSO +#define ERR_R_ENGINE_LIB ERR_LIB_ENGINE +#define ERR_R_OCSP_LIB ERR_LIB_OCSP +#define ERR_R_UI_LIB ERR_LIB_UI +#define ERR_R_COMP_LIB ERR_LIB_COMP +#define ERR_R_ECDSA_LIB ERR_LIB_ECDSA +#define ERR_R_ECDH_LIB ERR_LIB_ECDH +#define ERR_R_STORE_LIB ERR_LIB_STORE +#define ERR_R_FIPS_LIB ERR_LIB_FIPS +#define ERR_R_CMS_LIB ERR_LIB_CMS +#define ERR_R_TS_LIB ERR_LIB_TS +#define ERR_R_HMAC_LIB ERR_LIB_HMAC +#define ERR_R_JPAKE_LIB ERR_LIB_JPAKE +#define ERR_R_USER_LIB ERR_LIB_USER +#define ERR_R_DIGEST_LIB ERR_LIB_DIGEST +#define ERR_R_CIPHER_LIB ERR_LIB_CIPHER +#define ERR_R_HKDF_LIB ERR_LIB_HKDF + +/* Global reasons. */ +#define ERR_R_FATAL 64 +#define ERR_R_MALLOC_FAILURE (1 | ERR_R_FATAL) +#define ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED (2 | ERR_R_FATAL) +#define ERR_R_PASSED_NULL_PARAMETER (3 | ERR_R_FATAL) +#define ERR_R_INTERNAL_ERROR (4 | ERR_R_FATAL) +#define ERR_R_OVERFLOW (5 | ERR_R_FATAL) + +/* System error functions */ +#define SYS_F_fopen 100 +#define SYS_F_fclose 101 +#define SYS_F_fread 102 +#define SYS_F_fwrite 103 +#define SYS_F_socket 104 +#define SYS_F_setsockopt 105 +#define SYS_F_connect 106 +#define SYS_F_getaddrinfo 107 + +#define ERR_PACK(lib, func, reason) \ + (((((uint32_t)lib) & 0xff) << 24) | ((((uint32_t)func) & 0xfff) << 12) | \ + ((((uint32_t)reason) & 0xfff))) + +#define ERR_GET_LIB(packed_error) ((int)(((packed_error) >> 24) & 0xff)) +#define ERR_GET_FUNC(packed_error) ((int)(((packed_error) >> 12) & 0xfff)) +#define ERR_GET_REASON(packed_error) ((int)((packed_error) & 0xfff)) + +/* ERR_STRING_DATA is the type of an lhash node that contains a mapping from a + * library, function or reason code to a string representation of it. */ +typedef struct err_string_data_st { + uint32_t error; + const char *string; +} ERR_STRING_DATA; + +/* ERR_load_strings loads an array of ERR_STRING_DATA into the hash table. The + * array must be terminated by an entry with a NULL string. */ +OPENSSL_EXPORT void ERR_load_strings(const ERR_STRING_DATA *str); + +/* ERR_FNS_st is a structure of function pointers that contains the actual + * implementation of the error queue handling functions. */ +struct ERR_FNS_st { + void (*shutdown)(void (*err_state_free_cb)(ERR_STATE*)); + ERR_STRING_DATA *(*get_item)(uint32_t packed_error); + ERR_STRING_DATA *(*set_item)(const ERR_STRING_DATA *); + ERR_STRING_DATA *(*del_item)(uint32_t packed_error); + + /* get_state returns the ERR_STATE for the current thread. This function + * never returns NULL. */ + ERR_STATE *(*get_state)(void); + + /* release_state returns the |ERR_STATE| for the given thread, or NULL if + * none exists. It the return value is not NULL, it also returns ownership of + * the |ERR_STATE| and deletes it from its data structures. */ + ERR_STATE *(*release_state)(const CRYPTO_THREADID *tid); + + /* get_next_library returns a unique value suitable for passing as the + * |library| to error calls. It will be distinct from all built-in library + * values. */ + int (*get_next_library)(void); +}; + +/* OPENSSL_DECLARE_ERROR_REASON is used by util/make_errors.h (which generates + * the error defines) to recognise that an additional reason value is needed. + * This is needed when the reason value is used outside of an + * |OPENSSL_PUT_ERROR| macro. The resulting define will be + * ${lib}_R_${reason}. */ +#define OPENSSL_DECLARE_ERROR_REASON(lib, reason) + +/* OPENSSL_DECLARE_ERROR_FUNCTION is used by util/make_errors.h (which + * generates the error * defines to recognise that an additional function value + * is needed. This is * needed when the function value is used outside of an + * |OPENSSL_PUT_ERROR| * macro. The resulting define will be + * ${lib}_F_${reason}. */ +#define OPENSSL_DECLARE_ERROR_FUNCTION(lib, function_name) + +/* ERR_load_BIO_strings does nothing. + * + * TODO(fork): remove. libjingle calls this. */ +OPENSSL_EXPORT void ERR_load_BIO_strings(void); + + +/* Android compatibility section. + * + * These functions are declared, temporarily, for Android because + * wpa_supplicant will take a little time to sync with upstream. Outside of + * Android they'll have no definition. */ + +OPENSSL_EXPORT void ERR_remove_state(unsigned long pid); + + +#if defined(__cplusplus) +} /* extern C */ +#endif + +#endif /* OPENSSL_HEADER_ERR_H */ |