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/*
* Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* TODO: When ERR_STATE becomes opaque, this musts be removed */
#define OSSL_FORCE_ERR_STATE
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/crypto.h>
#include <openssl/buffer.h>
#include <openssl/err.h>
#include "err_locl.h"
void ERR_print_errors_cb(int (*cb) (const char *str, size_t len, void *u),
void *u)
{
CRYPTO_THREAD_ID tid = CRYPTO_THREAD_get_current_id();
unsigned long l;
char buf[4096], *hex;
const char *lib, *reason;
const char *file, *data, *func;
int line, flags;
while ((l = ERR_get_error_all(&file, &line, &func, &data, &flags)) != 0) {
lib = ERR_lib_error_string(l);
reason = ERR_reason_error_string(l);
if (func == NULL)
func = "unknown function";
if ((flags & ERR_TXT_STRING) == 0)
data = "";
hex = OPENSSL_buf2hexstr((const unsigned char *)&tid, sizeof(tid));
BIO_snprintf(buf, sizeof(buf), "%s:error:%s:%s:%s:%s:%d:%s\n",
hex, lib, func, reason, file, line, data);
OPENSSL_free(hex);
if (cb(buf, strlen(buf), u) <= 0)
break; /* abort outputting the error report */
}
}
static int print_bio(const char *str, size_t len, void *bp)
{
return BIO_write((BIO *)bp, str, len);
}
void ERR_print_errors(BIO *bp)
{
ERR_print_errors_cb(print_bio, bp);
}
#ifndef OPENSSL_NO_STDIO
void ERR_print_errors_fp(FILE *fp)
{
BIO *bio = BIO_new_fp(fp, BIO_NOCLOSE);
if (bio == NULL)
return;
ERR_print_errors_cb(print_bio, bio);
BIO_free(bio);
}
#endif
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