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Filename : cmp_util.h
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/*
 * Copyright 2007-2021 The OpenSSL Project Authors. All Rights Reserved.
 * Copyright Nokia 2007-2019
 * Copyright Siemens AG 2015-2019
 *
 * 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
 */

#ifndef OPENSSL_CMP_UTIL_H
# define OPENSSL_CMP_UTIL_H
# pragma once

# include <openssl/opensslconf.h>
# ifndef OPENSSL_NO_CMP

#  include <openssl/macros.h>
#  include <openssl/trace.h>

#  ifdef __cplusplus
extern "C" {
#  endif

int  OSSL_CMP_log_open(void);
void OSSL_CMP_log_close(void);
#  define OSSL_CMP_LOG_PREFIX "CMP "

/*
 * generalized logging/error callback mirroring the severity levels of syslog.h
 */
typedef int OSSL_CMP_severity;
#  define OSSL_CMP_LOG_EMERG   0
#  define OSSL_CMP_LOG_ALERT   1
#  define OSSL_CMP_LOG_CRIT    2
#  define OSSL_CMP_LOG_ERR     3
#  define OSSL_CMP_LOG_WARNING 4
#  define OSSL_CMP_LOG_NOTICE  5
#  define OSSL_CMP_LOG_INFO    6
#  define OSSL_CMP_LOG_DEBUG   7
#  define OSSL_CMP_LOG_TRACE   8
#  define OSSL_CMP_LOG_MAX     OSSL_CMP_LOG_TRACE
typedef int (*OSSL_CMP_log_cb_t)(const char *func, const char *file, int line,
                                 OSSL_CMP_severity level, const char *msg);

int OSSL_CMP_print_to_bio(BIO *bio, const char *component, const char *file,
                          int line, OSSL_CMP_severity level, const char *msg);
/* use of the logging callback for outputting error queue */
void OSSL_CMP_print_errors_cb(OSSL_CMP_log_cb_t log_fn);

#  ifdef  __cplusplus
}
#  endif
# endif /* !defined(OPENSSL_NO_CMP) */
#endif /* !defined(OPENSSL_CMP_UTIL_H) */