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/* logging.h
* Copyright (C) 1999, 2000, 2001, 2004, 2006,
* 2010 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG is free software; you can redistribute and/or modify this
* part of GnuPG 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.
*
* GnuPG 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 <https://www.gnu.org/licenses/>.
*/
#ifndef GNUPG_COMMON_LOGGING_H
#define GNUPG_COMMON_LOGGING_H
#include <stdio.h>
#include <stdarg.h>
#include <gpg-error.h>
#include "mischelp.h"
#include "w32help.h"
#if defined(GPGRT_ENABLE_LOG_MACROS) && defined(log_debug_string)
/* We use the libgpg-error provided log functions. but we need one
* more function: */
# ifdef GPGRT_HAVE_MACRO_FUNCTION
# define BUG() bug_at ( __FILE__, __LINE__, __FUNCTION__)
static inline void bug_at (const char *file, int line, const char *func)
GPGRT_ATTR_NORETURN;
static inline void
bug_at (const char *file, int line, const char *func)
{
gpgrt_log (GPGRT_LOGLVL_BUG, "there is a bug at %s:%d:%s\n",
file, line, func);
abort ();
}
# else
# define BUG() bug_at ( __FILE__, __LINE__)
static inline void bug_at (const char *file, int line)
GPGRT_ATTR_NORETURN;
static inline void
bug_at (const char *file, int line)
{
gpgrt_log (GPGRT_LOGLVL_BUG, "there is a bug at %s:%d\n", file, line);
abort ();
}
# endif /*!GPGRT_HAVE_MACRO_FUNCTION*/
#else /* Use gnupg internal logging functions. */
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_socket_dir_cb (const char *(*fnc)(void));
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 GPGRT_HAVE_MACRO_FUNCTION
void bug_at (const char *file, int line, const char *func)
GPGRT_ATTR_NORETURN;
void _log_assert (const char *expr, const char *file, int line,
const char *func) GPGRT_ATTR_NORETURN;
# define BUG() bug_at( __FILE__ , __LINE__, __FUNCTION__)
# define log_assert(expr) \
((expr) \
? (void) 0 \
: _log_assert (#expr, __FILE__, __LINE__, __FUNCTION__))
#else /*!GPGRT_HAVE_MACRO_FUNCTION*/
void bug_at (const char *file, int line);
void _log_assert (const char *expr, const char *file, int line);
# define BUG() bug_at( __FILE__ , __LINE__ )
# define log_assert(expr) \
((expr) \
? (void) 0 \
: _log_assert (#expr, __FILE__, __LINE__))
#endif /*!GPGRT_HAVE_MACRO_FUNCTION*/
/* Flag values for log_set_prefix. */
#define GPGRT_LOG_WITH_PREFIX 1
#define GPGRT_LOG_WITH_TIME 2
#define GPGRT_LOG_WITH_PID 4
#define GPGRT_LOG_RUN_DETACHED 256
#define GPGRT_LOG_NO_REGISTRY 512
/* Log levels as used by log_log. */
enum jnlib_log_levels {
GPGRT_LOG_BEGIN,
GPGRT_LOG_CONT,
GPGRT_LOG_INFO,
GPGRT_LOG_WARN,
GPGRT_LOG_ERROR,
GPGRT_LOG_FATAL,
GPGRT_LOG_BUG,
GPGRT_LOG_DEBUG
};
#define GPGRT_LOGLVL_BEGIN GPGRT_LOG_BEGIN
#define GPGRT_LOGLVL_CONT GPGRT_LOG_CONT
#define GPGRT_LOGLVL_INFO GPGRT_LOG_INFO
#define GPGRT_LOGLVL_WARN GPGRT_LOG_WARN
#define GPGRT_LOGLVL_ERROR GPGRT_LOG_ERROR
#define GPGRT_LOGLVL_FATAL GPGRT_LOG_FATAL
#define GPGRT_LOGLVL_BUG GPGRT_LOG_BUG
#define GPGRT_LOGLVL_DEBUG GPGRT_LOG_DEBUG
void log_log (int level, const char *fmt, ...) GPGRT_ATTR_PRINTF(2,3);
void log_logv (int level, const char *fmt, va_list arg_ptr);
void log_logv_prefix (int level, const char *prefix,
const char *fmt, va_list arg_ptr);
void log_string (int level, const char *string);
void log_bug (const char *fmt, ...) GPGRT_ATTR_NR_PRINTF(1,2);
void log_fatal (const char *fmt, ...) GPGRT_ATTR_NR_PRINTF(1,2);
void log_error (const char *fmt, ...) GPGRT_ATTR_PRINTF(1,2);
void log_info (const char *fmt, ...) GPGRT_ATTR_PRINTF(1,2);
void log_debug (const char *fmt, ...) GPGRT_ATTR_PRINTF(1,2);
void log_debug_string (const char *string, const char *fmt,
...) GPGRT_ATTR_PRINTF(2,3);
void log_printf (const char *fmt, ...) GPGRT_ATTR_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 void *buffer, size_t length, const char *text);
void log_clock (const char *fmt, ...) GPGRT_ATTR_PRINTF(1,2);
#endif /* Use gnupg internal logging functions. */
/* Some handy assertion macros which don't abort. */
#define return_if_fail(expr) do { \
if (!(expr)) { \
log_debug ("%s:%d: assertion '%s' failed\n", \
__FILE__, __LINE__, #expr ); \
return; \
} } while (0)
#define return_null_if_fail(expr) do { \
if (!(expr)) { \
log_debug ("%s:%d: assertion '%s' failed\n", \
__FILE__, __LINE__, #expr ); \
return NULL; \
} } while (0)
#define return_val_if_fail(expr,val) do { \
if (!(expr)) { \
log_debug ("%s:%d: assertion '%s' failed\n", \
__FILE__, __LINE__, #expr ); \
return (val); \
} } while (0)
#define never_reached() do { \
log_debug ("%s:%d: oops - should never get here\n", \
__FILE__, __LINE__ ); \
} while (0)
#endif /*GNUPG_COMMON_LOGGING_H*/
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