1 /* 2 * Copyright 1995-2022 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 #ifndef OSSL_APPS_LOG_H 11 #define OSSL_APPS_LOG_H 12 13 #include <openssl/bio.h> 14 #if !defined(OPENSSL_SYS_VMS) && !defined(OPENSSL_SYS_WINDOWS) \ 15 && !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_POSIX_IO) 16 #include <syslog.h> 17 #else 18 #define LOG_EMERG 0 19 #define LOG_ALERT 1 20 #define LOG_CRIT 2 21 #define LOG_ERR 3 22 #define LOG_WARNING 4 23 #define LOG_NOTICE 5 24 #define LOG_INFO 6 25 #define LOG_DEBUG 7 26 #endif 27 28 #undef LOG_TRACE 29 #define LOG_TRACE (LOG_DEBUG + 1) 30 31 int log_set_verbosity(const char *prog, int level); 32 int log_get_verbosity(void); 33 34 /*- 35 * Output a message using the trace API with the given category 36 * if the category is >= 0 and tracing is enabled. 37 * Log the message to syslog if multi-threaded HTTP_DAEMON, else to bio_err 38 * if the verbosity is sufficient for the given level of severity. 39 * Yet cannot do both types of output in strict ANSI mode. 40 * category: trace category as defined in trace.h, or -1 41 * prog: the name of the current app, or NULL 42 * level: the severity of the message, e.g., LOG_ERR 43 * fmt: message format, which should not include a trailing newline 44 * ...: potential extra parameters like with printf() 45 * returns nothing 46 */ 47 void trace_log_message(int category, 48 const char *prog, int level, const char *fmt, ...); 49 50 #endif /* OSSL_APPS_LOG_H */ 51