2 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
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
11 #include "internal/cryptlib.h"
12 #include <openssl/crypto.h>
13 #include <openssl/buffer.h>
14 #include <openssl/err.h>
16 void ERR_print_errors_cb(int (*cb) (const char *str, size_t len, void *u),
19 CRYPTO_THREAD_ID tid = CRYPTO_THREAD_get_current_id();
22 char buf2[4096], *hex;
23 const char *file, *data;
26 while ((l = ERR_get_error_line_data(&file, &line, &data, &flags)) != 0) {
27 ERR_error_string_n(l, buf, sizeof(buf));
28 hex = OPENSSL_buf2hexstr((const unsigned char *)&tid, sizeof(tid));
29 BIO_snprintf(buf2, sizeof(buf2), "%s:%s:%s:%d:%s\n", hex, buf, file,
30 line, (flags & ERR_TXT_STRING) ? data : "");
32 if (cb(buf2, strlen(buf2), u) <= 0)
33 break; /* abort outputting the error report */
37 static int print_bio(const char *str, size_t len, void *bp)
39 return BIO_write((BIO *)bp, str, len);
42 void ERR_print_errors(BIO *bp)
44 ERR_print_errors_cb(print_bio, bp);
47 #ifndef OPENSSL_NO_STDIO
48 void ERR_print_errors_fp(FILE *fp)
50 BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE);
54 ERR_print_errors_cb(print_bio, bio);