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1 /*
2 * Copyright 1995-2020 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 {-
11 use OpenSSL::stackhash qw(generate_lhash_macros);
12 -}
13
14 #ifndef OPENSSL_ERR_H
15 # define OPENSSL_ERR_H
16 # pragma once
17
18 # include <openssl/macros.h>
19 # ifndef OPENSSL_NO_DEPRECATED_3_0
20 # define HEADER_ERR_H
21 # endif
22
23 # include <openssl/e_os2.h>
24
25 # ifndef OPENSSL_NO_STDIO
26 # include <stdio.h>
27 # include <stdlib.h>
28 # endif
29
30 # include <openssl/types.h>
31 # include <openssl/bio.h>
32 # include <openssl/lhash.h>
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 # ifndef OPENSSL_NO_DEPRECATED_3_0
39 # ifndef OPENSSL_NO_FILENAMES
40 # define ERR_PUT_error(l,f,r,fn,ln) ERR_put_error(l,f,r,fn,ln)
41 # else
42 # define ERR_PUT_error(l,f,r,fn,ln) ERR_put_error(l,f,r,NULL,0)
43 # endif
44 # endif
45
46 # include <limits.h>
47 # include <errno.h>
48
49 # define ERR_TXT_MALLOCED 0x01
50 # define ERR_TXT_STRING 0x02
51
52 # if !defined(OPENSSL_NO_DEPRECATED_3_0) || defined(OSSL_FORCE_ERR_STATE)
53 # define ERR_FLAG_MARK 0x01
54 # define ERR_FLAG_CLEAR 0x02
55
56 # define ERR_NUM_ERRORS 16
57 struct err_state_st {
58 int err_flags[ERR_NUM_ERRORS];
59 int err_marks[ERR_NUM_ERRORS];
60 unsigned long err_buffer[ERR_NUM_ERRORS];
61 char *err_data[ERR_NUM_ERRORS];
62 size_t err_data_size[ERR_NUM_ERRORS];
63 int err_data_flags[ERR_NUM_ERRORS];
64 const char *err_file[ERR_NUM_ERRORS];
65 int err_line[ERR_NUM_ERRORS];
66 const char *err_func[ERR_NUM_ERRORS];
67 int top, bottom;
68 };
69 # endif
70
71 /* library */
72 # define ERR_LIB_NONE 1
73 # define ERR_LIB_SYS 2
74 # define ERR_LIB_BN 3
75 # define ERR_LIB_RSA 4
76 # define ERR_LIB_DH 5
77 # define ERR_LIB_EVP 6
78 # define ERR_LIB_BUF 7
79 # define ERR_LIB_OBJ 8
80 # define ERR_LIB_PEM 9
81 # define ERR_LIB_DSA 10
82 # define ERR_LIB_X509 11
83 /* #define ERR_LIB_METH 12 */
84 # define ERR_LIB_ASN1 13
85 # define ERR_LIB_CONF 14
86 # define ERR_LIB_CRYPTO 15
87 # define ERR_LIB_EC 16
88 # define ERR_LIB_SSL 20
89 /* #define ERR_LIB_SSL23 21 */
90 /* #define ERR_LIB_SSL2 22 */
91 /* #define ERR_LIB_SSL3 23 */
92 /* #define ERR_LIB_RSAREF 30 */
93 /* #define ERR_LIB_PROXY 31 */
94 # define ERR_LIB_BIO 32
95 # define ERR_LIB_PKCS7 33
96 # define ERR_LIB_X509V3 34
97 # define ERR_LIB_PKCS12 35
98 # define ERR_LIB_RAND 36
99 # define ERR_LIB_DSO 37
100 # define ERR_LIB_ENGINE 38
101 # define ERR_LIB_OCSP 39
102 # define ERR_LIB_UI 40
103 # define ERR_LIB_COMP 41
104 # define ERR_LIB_ECDSA 42
105 # define ERR_LIB_ECDH 43
106 # define ERR_LIB_OSSL_STORE 44
107 # define ERR_LIB_FIPS 45
108 # define ERR_LIB_CMS 46
109 # define ERR_LIB_TS 47
110 # define ERR_LIB_HMAC 48
111 /* # define ERR_LIB_JPAKE 49 */
112 # define ERR_LIB_CT 50
113 # define ERR_LIB_ASYNC 51
114 # define ERR_LIB_KDF 52
115 # define ERR_LIB_SM2 53
116 # define ERR_LIB_ESS 54
117 # define ERR_LIB_PROP 55
118 # define ERR_LIB_CRMF 56
119 # define ERR_LIB_PROV 57
120 # define ERR_LIB_CMP 58
121 # define ERR_LIB_OSSL_ENCODER 59
122 # define ERR_LIB_OSSL_DECODER 60
123 # define ERR_LIB_HTTP 61
124
125 # define ERR_LIB_USER 128
126
127 # ifndef OPENSSL_NO_DEPRECATED_3_0
128 # define ASN1err(f, r) ERR_raise_data(ERR_LIB_ASN1, (r), NULL)
129 # define ASYNCerr(f, r) ERR_raise_data(ERR_LIB_ASYNC, (r), NULL)
130 # define BIOerr(f, r) ERR_raise_data(ERR_LIB_BIO, (r), NULL)
131 # define BNerr(f, r) ERR_raise_data(ERR_LIB_BN, (r), NULL)
132 # define BUFerr(f, r) ERR_raise_data(ERR_LIB_BUF, (r), NULL)
133 # define CMPerr(f, r) ERR_raise_data(ERR_LIB_CMP, (r), NULL)
134 # define CMSerr(f, r) ERR_raise_data(ERR_LIB_CMS, (r), NULL)
135 # define COMPerr(f, r) ERR_raise_data(ERR_LIB_COMP, (r), NULL)
136 # define CONFerr(f, r) ERR_raise_data(ERR_LIB_CONF, (r), NULL)
137 # define CRMFerr(f, r) ERR_raise_data(ERR_LIB_CRMF, (r), NULL)
138 # define CRYPTOerr(f, r) ERR_raise_data(ERR_LIB_CRYPTO, (r), NULL)
139 # define CTerr(f, r) ERR_raise_data(ERR_LIB_CT, (r), NULL)
140 # define DHerr(f, r) ERR_raise_data(ERR_LIB_DH, (r), NULL)
141 # define DSAerr(f, r) ERR_raise_data(ERR_LIB_DSA, (r), NULL)
142 # define DSOerr(f, r) ERR_raise_data(ERR_LIB_DSO, (r), NULL)
143 # define ECDHerr(f, r) ERR_raise_data(ERR_LIB_ECDH, (r), NULL)
144 # define ECDSAerr(f, r) ERR_raise_data(ERR_LIB_ECDSA, (r), NULL)
145 # define ECerr(f, r) ERR_raise_data(ERR_LIB_EC, (r), NULL)
146 # define ENGINEerr(f, r) ERR_raise_data(ERR_LIB_ENGINE, (r), NULL)
147 # define ESSerr(f, r) ERR_raise_data(ERR_LIB_ESS, (r), NULL)
148 # define EVPerr(f, r) ERR_raise_data(ERR_LIB_EVP, (r), NULL)
149 # define FIPSerr(f, r) ERR_raise_data(ERR_LIB_FIPS, (r), NULL)
150 # define HMACerr(f, r) ERR_raise_data(ERR_LIB_HMAC, (r), NULL)
151 # define HTTPerr(f, r) ERR_raise_data(ERR_LIB_HTTP, (r), NULL)
152 # define KDFerr(f, r) ERR_raise_data(ERR_LIB_KDF, (r), NULL)
153 # define OBJerr(f, r) ERR_raise_data(ERR_LIB_OBJ, (r), NULL)
154 # define OCSPerr(f, r) ERR_raise_data(ERR_LIB_OCSP, (r), NULL)
155 # define OSSL_STOREerr(f, r) ERR_raise_data(ERR_LIB_OSSL_STORE, (r), NULL)
156 # define PEMerr(f, r) ERR_raise_data(ERR_LIB_PEM, (r), NULL)
157 # define PKCS12err(f, r) ERR_raise_data(ERR_LIB_PKCS12, (r), NULL)
158 # define PKCS7err(f, r) ERR_raise_data(ERR_LIB_PKCS7, (r), NULL)
159 # define PROPerr(f, r) ERR_raise_data(ERR_LIB_PROP, (r), NULL)
160 # define PROVerr(f, r) ERR_raise_data(ERR_LIB_PROV, (r), NULL)
161 # define RANDerr(f, r) ERR_raise_data(ERR_LIB_RAND, (r), NULL)
162 # define RSAerr(f, r) ERR_raise_data(ERR_LIB_RSA, (r), NULL)
163 # define KDFerr(f, r) ERR_raise_data(ERR_LIB_KDF, (r), NULL)
164 # define SM2err(f, r) ERR_raise_data(ERR_LIB_SM2, (r), NULL)
165 # define SSLerr(f, r) ERR_raise_data(ERR_LIB_SSL, (r), NULL)
166 # define SYSerr(f, r) ERR_raise_data(ERR_LIB_SYS, (r), NULL)
167 # define TSerr(f, r) ERR_raise_data(ERR_LIB_TS, (r), NULL)
168 # define UIerr(f, r) ERR_raise_data(ERR_LIB_UI, (r), NULL)
169 # define X509V3err(f, r) ERR_raise_data(ERR_LIB_X509V3, (r), NULL)
170 # define X509err(f, r) ERR_raise_data(ERR_LIB_X509, (r), NULL)
171 # endif
172
173 /*-
174 * The error code packs differently depending on if it records a system
175 * error or an OpenSSL error.
176 *
177 * A system error packs like this (we follow POSIX and only allow positive
178 * numbers that fit in an |int|):
179 *
180 * +-+-------------------------------------------------------------+
181 * |1| system error number |
182 * +-+-------------------------------------------------------------+
183 *
184 * An OpenSSL error packs like this:
185 *
186 * <---------------------------- 32 bits -------------------------->
187 * <--- 8 bits ---><------------------ 23 bits ----------------->
188 * +-+---------------+---------------------------------------------+
189 * |0| library | reason |
190 * +-+---------------+---------------------------------------------+
191 *
192 * A few of the reason bits are reserved as flags with special meaning:
193 *
194 * <5 bits-<>--------- 19 bits ----------------->
195 * +-------+-+-----------------------------------+
196 * | rflags| | reason |
197 * +-------+-+-----------------------------------+
198 * ^
199 * |
200 * ERR_RFLAG_FATAL = ERR_R_FATAL
201 *
202 * The reason flags are part of the overall reason code for practical
203 * reasons, as they provide an easy way to place different types of
204 * reason codes in different numeric ranges.
205 *
206 * The currently known reason flags are:
207 *
208 * ERR_RFLAG_FATAL Flags that the reason code is considered fatal.
209 * For backward compatibility reasons, this flag
210 * is also the code for ERR_R_FATAL (that reason
211 * code served the dual purpose of flag and reason
212 * code in one in pre-3.0 OpenSSL).
213 * ERR_RFLAG_COMMON Flags that the reason code is common to all
214 * libraries. All ERR_R_ macros must use this flag,
215 * and no other _R_ macro is allowed to use it.
216 */
217
218 /* Macros to help decode recorded system errors */
219 # define ERR_SYSTEM_FLAG ((unsigned int)INT_MAX + 1)
220 # define ERR_SYSTEM_MASK ((unsigned int)INT_MAX)
221
222 /*
223 * Macros to help decode recorded OpenSSL errors
224 * As expressed above, RFLAGS and REASON overlap by one bit to allow
225 * ERR_R_FATAL to use ERR_RFLAG_FATAL as its reason code.
226 */
227 # define ERR_LIB_OFFSET 23L
228 # define ERR_LIB_MASK 0xFF
229 # define ERR_RFLAGS_OFFSET 18L
230 # define ERR_RFLAGS_MASK 0x1F
231 # define ERR_REASON_MASK 0X7FFFFF
232
233 /*
234 * Reason flags are defined pre-shifted to easily combine with the reason
235 * number.
236 */
237 # define ERR_RFLAG_FATAL (0x1 << ERR_RFLAGS_OFFSET)
238 # define ERR_RFLAG_COMMON (0x2 << ERR_RFLAGS_OFFSET)
239
240 # define ERR_SYSTEM_ERROR(errcode) (((errcode) & ERR_SYSTEM_FLAG) != 0)
241
242 static ossl_unused ossl_inline int ERR_GET_LIB(unsigned long errcode)
243 {
244 if (ERR_SYSTEM_ERROR(errcode))
245 return ERR_LIB_SYS;
246 return (errcode >> ERR_LIB_OFFSET) & ERR_LIB_MASK;
247 }
248
249 static ossl_unused ossl_inline int ERR_GET_FUNC(unsigned long errcode ossl_unused)
250 {
251 return 0;
252 }
253
254 static ossl_unused ossl_inline int ERR_GET_RFLAGS(unsigned long errcode)
255 {
256 if (ERR_SYSTEM_ERROR(errcode))
257 return 0;
258 return errcode & (ERR_RFLAGS_MASK << ERR_RFLAGS_OFFSET);
259 }
260
261 static ossl_unused ossl_inline int ERR_GET_REASON(unsigned long errcode)
262 {
263 if (ERR_SYSTEM_ERROR(errcode))
264 return errcode & ERR_SYSTEM_MASK;
265 return errcode & ERR_REASON_MASK;
266 }
267
268 static ossl_unused ossl_inline int ERR_FATAL_ERROR(unsigned long errcode)
269 {
270 return (ERR_GET_RFLAGS(errcode) & ERR_RFLAG_FATAL) != 0;
271 }
272
273 static ossl_unused ossl_inline int ERR_COMMON_ERROR(unsigned long errcode)
274 {
275 return (ERR_GET_RFLAGS(errcode) & ERR_RFLAG_COMMON) != 0;
276 }
277
278 /*
279 * ERR_PACK is a helper macro to properly pack OpenSSL error codes and may
280 * only be used for that purpose. System errors are packed internally.
281 * ERR_PACK takes reason flags and reason code combined in |reason|.
282 * ERR_PACK ignores |func|, that parameter is just legacy from pre-3.0 OpenSSL.
283 */
284 # define ERR_PACK(lib,func,reason) \
285 ( (((unsigned long)(lib) & ERR_LIB_MASK ) << ERR_LIB_OFFSET) | \
286 (((unsigned long)(reason) & ERR_REASON_MASK)) )
287
288 # ifndef OPENSSL_NO_DEPRECATED_3_0
289 # define SYS_F_FOPEN 0
290 # define SYS_F_CONNECT 0
291 # define SYS_F_GETSERVBYNAME 0
292 # define SYS_F_SOCKET 0
293 # define SYS_F_IOCTLSOCKET 0
294 # define SYS_F_BIND 0
295 # define SYS_F_LISTEN 0
296 # define SYS_F_ACCEPT 0
297 # define SYS_F_WSASTARTUP 0
298 # define SYS_F_OPENDIR 0
299 # define SYS_F_FREAD 0
300 # define SYS_F_GETADDRINFO 0
301 # define SYS_F_GETNAMEINFO 0
302 # define SYS_F_SETSOCKOPT 0
303 # define SYS_F_GETSOCKOPT 0
304 # define SYS_F_GETSOCKNAME 0
305 # define SYS_F_GETHOSTBYNAME 0
306 # define SYS_F_FFLUSH 0
307 # define SYS_F_OPEN 0
308 # define SYS_F_CLOSE 0
309 # define SYS_F_IOCTL 0
310 # define SYS_F_STAT 0
311 # define SYS_F_FCNTL 0
312 # define SYS_F_FSTAT 0
313 # define SYS_F_SENDFILE 0
314 # endif
315
316 /*
317 * All ERR_R_ codes must be combined with ERR_RFLAG_COMMON.
318 */
319
320 /* "we came from here" global reason codes, range 1..255 */
321 # define ERR_R_SYS_LIB (ERR_LIB_SYS/* 2 */ | ERR_RFLAG_COMMON)
322 # define ERR_R_BN_LIB (ERR_LIB_BN/* 3 */ | ERR_RFLAG_COMMON)
323 # define ERR_R_RSA_LIB (ERR_LIB_RSA/* 4 */ | ERR_RFLAG_COMMON)
324 # define ERR_R_DH_LIB (ERR_LIB_DH/* 5 */ | ERR_RFLAG_COMMON)
325 # define ERR_R_EVP_LIB (ERR_LIB_EVP/* 6 */ | ERR_RFLAG_COMMON)
326 # define ERR_R_BUF_LIB (ERR_LIB_BUF/* 7 */ | ERR_RFLAG_COMMON)
327 # define ERR_R_OBJ_LIB (ERR_LIB_OBJ/* 8 */ | ERR_RFLAG_COMMON)
328 # define ERR_R_PEM_LIB (ERR_LIB_PEM/* 9 */ | ERR_RFLAG_COMMON)
329 # define ERR_R_DSA_LIB (ERR_LIB_DSA/* 10 */ | ERR_RFLAG_COMMON)
330 # define ERR_R_X509_LIB (ERR_LIB_X509/* 11 */ | ERR_RFLAG_COMMON)
331 # define ERR_R_ASN1_LIB (ERR_LIB_ASN1/* 13 */ | ERR_RFLAG_COMMON)
332 # define ERR_R_CRYPTO_LIB (ERR_LIB_CRYPTO/* 15 */ | ERR_RFLAG_COMMON)
333 # define ERR_R_EC_LIB (ERR_LIB_EC/* 16 */ | ERR_RFLAG_COMMON)
334 # define ERR_R_BIO_LIB (ERR_LIB_BIO/* 32 */ | ERR_RFLAG_COMMON)
335 # define ERR_R_PKCS7_LIB (ERR_LIB_PKCS7/* 33 */ | ERR_RFLAG_COMMON)
336 # define ERR_R_X509V3_LIB (ERR_LIB_X509V3/* 34 */ | ERR_RFLAG_COMMON)
337 # define ERR_R_ENGINE_LIB (ERR_LIB_ENGINE/* 38 */ | ERR_RFLAG_COMMON)
338 # define ERR_R_UI_LIB (ERR_LIB_UI/* 40 */ | ERR_RFLAG_COMMON)
339 # define ERR_R_ECDSA_LIB (ERR_LIB_ECDSA/* 42 */ | ERR_RFLAG_COMMON)
340 # define ERR_R_OSSL_STORE_LIB (ERR_LIB_OSSL_STORE/* 44 */ | ERR_RFLAG_COMMON)
341 # define ERR_R_OSSL_DECODER_LIB (ERR_LIB_OSSL_DECODER/* 60 */ | ERR_RFLAG_COMMON)
342
343 /* Other common error codes, range 256..2^ERR_RFLAGS_OFFSET-1 */
344 # define ERR_R_FATAL (ERR_RFLAG_FATAL|ERR_RFLAG_COMMON)
345 # define ERR_R_MALLOC_FAILURE (256|ERR_R_FATAL)
346 # define ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED (257|ERR_R_FATAL)
347 # define ERR_R_PASSED_NULL_PARAMETER (258|ERR_R_FATAL)
348 # define ERR_R_INTERNAL_ERROR (259|ERR_R_FATAL)
349 # define ERR_R_DISABLED (260|ERR_R_FATAL)
350 # define ERR_R_INIT_FAIL (261|ERR_R_FATAL)
351 # define ERR_R_PASSED_INVALID_ARGUMENT (262|ERR_RFLAG_COMMON)
352 # define ERR_R_OPERATION_FAIL (263|ERR_R_FATAL)
353 # define ERR_R_INVALID_PROVIDER_FUNCTIONS (264|ERR_R_FATAL)
354 # define ERR_R_INTERRUPTED_OR_CANCELLED (265|ERR_RFLAG_COMMON)
355 # define ERR_R_NESTED_ASN1_ERROR (266|ERR_RFLAG_COMMON)
356 # define ERR_R_MISSING_ASN1_EOS (267|ERR_RFLAG_COMMON)
357
358 typedef struct ERR_string_data_st {
359 unsigned long error;
360 const char *string;
361 } ERR_STRING_DATA;
362
363 {-
364 generate_lhash_macros("ERR_STRING_DATA");
365 -}
366
367 /* 12 lines and some on an 80 column terminal */
368 #define ERR_MAX_DATA_SIZE 1024
369
370 /* Building blocks */
371 void ERR_new(void);
372 void ERR_set_debug(const char *file, int line, const char *func);
373 void ERR_set_error(int lib, int reason, const char *fmt, ...);
374 void ERR_vset_error(int lib, int reason, const char *fmt, va_list args);
375
376 /* Main error raising functions */
377 # define ERR_raise(lib, reason) ERR_raise_data((lib),(reason),NULL)
378 # define ERR_raise_data \
379 (ERR_new(), \
380 ERR_set_debug(OPENSSL_FILE,OPENSSL_LINE,OPENSSL_FUNC), \
381 ERR_set_error)
382
383 # ifndef OPENSSL_NO_DEPRECATED_3_0
384 /* Backward compatibility */
385 # define ERR_put_error(lib, func, reason, file, line) \
386 (ERR_new(), \
387 ERR_set_debug((file), (line), OPENSSL_FUNC), \
388 ERR_set_error((lib), (reason), NULL))
389 # endif
390
391 void ERR_set_error_data(char *data, int flags);
392
393 unsigned long ERR_get_error(void);
394 /*
395 * TODO(3.0) consider if the following three functions should be deprecated.
396 * They all drop the error record from the error queue, so regardless of which
397 * one is used, the rest of the information is lost, making them not so useful.
398 * The recommendation should be to use the peek functions to extract all the
399 * additional data.
400 */
401 unsigned long ERR_get_error_line(const char **file, int *line);
402 unsigned long ERR_get_error_func(const char **func);
403 unsigned long ERR_get_error_data(const char **data, int *flags);
404 unsigned long ERR_get_error_all(const char **file, int *line,
405 const char **func,
406 const char **data, int *flags);
407 DEPRECATEDIN_3_0(unsigned long ERR_get_error_line_data(const char **file,
408 int *line,
409 const char **data,
410 int *flags))
411 unsigned long ERR_peek_error(void);
412 unsigned long ERR_peek_error_line(const char **file, int *line);
413 unsigned long ERR_peek_error_func(const char **func);
414 unsigned long ERR_peek_error_data(const char **data, int *flags);
415 unsigned long ERR_peek_error_all(const char **file, int *line,
416 const char **func,
417 const char **data, int *flags);
418 DEPRECATEDIN_3_0(unsigned long ERR_peek_error_line_data(const char **file,
419 int *line,
420 const char **data,
421 int *flags))
422 unsigned long ERR_peek_last_error(void);
423 unsigned long ERR_peek_last_error_line(const char **file, int *line);
424 unsigned long ERR_peek_last_error_func(const char **func);
425 unsigned long ERR_peek_last_error_data(const char **data, int *flags);
426 unsigned long ERR_peek_last_error_all(const char **file, int *line,
427 const char **func,
428 const char **data, int *flags);
429 DEPRECATEDIN_3_0(unsigned long ERR_peek_last_error_line_data(const char **file,
430 int *line,
431 const char **data,
432 int *flags))
433
434 void ERR_clear_error(void);
435
436 char *ERR_error_string(unsigned long e, char *buf);
437 void ERR_error_string_n(unsigned long e, char *buf, size_t len);
438 const char *ERR_lib_error_string(unsigned long e);
439 DEPRECATEDIN_3_0(const char *ERR_func_error_string(unsigned long e))
440 const char *ERR_reason_error_string(unsigned long e);
441
442 void ERR_print_errors_cb(int (*cb) (const char *str, size_t len, void *u),
443 void *u);
444 # ifndef OPENSSL_NO_STDIO
445 void ERR_print_errors_fp(FILE *fp);
446 # endif
447 void ERR_print_errors(BIO *bp);
448
449 void ERR_add_error_data(int num, ...);
450 void ERR_add_error_vdata(int num, va_list args);
451 void ERR_add_error_txt(const char *sepr, const char *txt);
452 void ERR_add_error_mem_bio(const char *sep, BIO *bio);
453
454 int ERR_load_strings(int lib, ERR_STRING_DATA *str);
455 int ERR_load_strings_const(const ERR_STRING_DATA *str);
456 int ERR_unload_strings(int lib, ERR_STRING_DATA *str);
457 int ERR_load_ERR_strings(void);
458
459 #ifndef OPENSSL_NO_DEPRECATED_1_1_0
460 # define ERR_load_crypto_strings() \
461 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL)
462 # define ERR_free_strings() while(0) continue
463 #endif
464
465 DEPRECATEDIN_1_1_0(void ERR_remove_thread_state(void *))
466 DEPRECATEDIN_1_0_0(void ERR_remove_state(unsigned long pid))
467 DEPRECATEDIN_3_0(ERR_STATE *ERR_get_state(void))
468
469 int ERR_get_next_error_library(void);
470
471 int ERR_set_mark(void);
472 int ERR_pop_to_mark(void);
473 int ERR_clear_last_mark(void);
474
475 #ifdef __cplusplus
476 }
477 #endif
478
479 #endif
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