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gnupg/common/logging.h
Werner Koch cdd152bf49 Change JNLIB license to LGPLv3+ or GPLv2+.
This is to allow the use of this code with code under GPLv2(only).
2011-09-30 12:53:34 +02:00

101 lines
3.3 KiB
C

/* logging.h
* Copyright (C) 1999, 2000, 2001, 2004, 2006,
* 2010 Free Software Foundation, Inc.
*
* This file is part of JNLIB, which is a subsystem of GnuPG.
*
* JNLIB is free software; you can redistribute it and/or modify it
* under the terms of either
*
* - the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* or
*
* - the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* or both in parallel, as here.
*
* JNLIB is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copies of the GNU General Public License
* and the GNU Lesser General Public License along with this program;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBJNLIB_LOGGING_H
#define LIBJNLIB_LOGGING_H
#include <stdio.h>
#include "estream.h"
#include "mischelp.h"
#include "w32help.h"
/* Flag values for log_set_prefix. */
#define JNLIB_LOG_WITH_PREFIX 1
#define JNLIB_LOG_WITH_TIME 2
#define JNLIB_LOG_WITH_PID 4
#define JNLIB_LOG_RUN_DETACHED 256
int log_get_errorcount (int clear);
void log_inc_errorcount (void);
void log_set_file( const char *name );
void log_set_fd (int fd);
void log_set_pid_suffix_cb (int (*cb)(unsigned long *r_value));
void log_set_prefix (const char *text, unsigned int flags);
const char *log_get_prefix (unsigned int *flags);
int log_test_fd (int fd);
int log_get_fd(void);
estream_t log_get_stream (void);
#ifdef JNLIB_GCC_M_FUNCTION
void bug_at( const char *file, int line, const char *func ) JNLIB_GCC_A_NR;
# define BUG() bug_at( __FILE__ , __LINE__, __FUNCTION__ )
#else
void bug_at( const char *file, int line );
# define BUG() bug_at( __FILE__ , __LINE__ )
#endif
/* To avoid mandatory inclusion of stdarg and other stuff, do it only
if explicitly requested to do so. */
#ifdef JNLIB_NEED_LOG_LOGV
#include <stdarg.h>
enum jnlib_log_levels {
JNLIB_LOG_BEGIN,
JNLIB_LOG_CONT,
JNLIB_LOG_INFO,
JNLIB_LOG_WARN,
JNLIB_LOG_ERROR,
JNLIB_LOG_FATAL,
JNLIB_LOG_BUG,
JNLIB_LOG_DEBUG
};
void log_log (int level, const char *fmt, ...) JNLIB_GCC_A_PRINTF(2,3);
void log_logv (int level, const char *fmt, va_list arg_ptr);
void log_string (int level, const char *string);
#endif /*JNLIB_NEED_LOG_LOGV*/
void log_bug( const char *fmt, ... ) JNLIB_GCC_A_NR_PRINTF(1,2);
void log_fatal( const char *fmt, ... ) JNLIB_GCC_A_NR_PRINTF(1,2);
void log_error( const char *fmt, ... ) JNLIB_GCC_A_PRINTF(1,2);
void log_info( const char *fmt, ... ) JNLIB_GCC_A_PRINTF(1,2);
void log_debug( const char *fmt, ... ) JNLIB_GCC_A_PRINTF(1,2);
void log_printf( const char *fmt, ... ) JNLIB_GCC_A_PRINTF(1,2);
void log_flush (void);
/* Print a hexdump of BUFFER. With TEXT passes as NULL print just the
raw dump, with TEXT being an empty string, print a trailing
linefeed, otherwise print an entire debug line with TEXT followed
by the hexdump and a final LF. */
void log_printhex (const char *text, const void *buffer, size_t length);
#endif /*LIBJNLIB_LOGGING_H*/