82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/*
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* Copyright 2003 James Bursa <bursa@users.sourceforge.net>
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* Copyright 2004 John Tytgat <joty@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _NETSURF_LOG_H_
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#define _NETSURF_LOG_H_
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#include <stdio.h>
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#include <stdbool.h>
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#include "utils/errors.h"
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extern bool verbose_log;
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/**
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* Ensures the FILE handle is available to write logging to.
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*
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* This is provided by the frontends if required
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*/
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typedef bool(nslog_ensure_t)(FILE *fptr);
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/**
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* Initialise the logging system.
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*
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* Sets up everything required for logging. Processes the argv passed
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* to remove the -v switch for verbose logging. If necessary ensures
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* the output file handle is available.
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*/
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extern nserror nslog_init(nslog_ensure_t *ensure, int *pargc, char **argv);
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#ifdef NDEBUG
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# define LOG(x) ((void) 0)
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#else
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/**
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* Obtain a formatted string suitable for prepending to a log message
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*
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* \return formatted string of the time since first log call
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*/
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extern const char *nslog_gettime(void);
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extern void nslog_log(const char *format, ...);
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# ifdef __GNUC__
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# define LOG_FN __PRETTY_FUNCTION__
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# define LOG_LN __LINE__
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# elif defined(__CC_NORCROFT)
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# define LOG_FN __func__
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# define LOG_LN __LINE__
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# else
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# define LOG_FN ""
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# define LOG_LN __LINE__
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# endif
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#define LOG(x) \
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do { \
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if (verbose_log) { \
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nslog_log("%s " __FILE__ " %s %i: ", \
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nslog_gettime(), LOG_FN, LOG_LN); \
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nslog_log x; \
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nslog_log("\n"); \
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} \
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} while(0)
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#endif
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#endif
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