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authorparadust7 <102263465+paradust7@users.noreply.github.com>2022-05-04 11:55:01 -0700
committerGitHub <noreply@github.com>2022-05-04 20:55:01 +0200
commit0704ca055059088bdd53e15be672e6b5663b8f50 (patch)
tree26d12dc712e19fcc38e3a70ef598efc665ab0d7f /cmake/Modules
parentae7664597ed15f9ac779a9bac0595ab4125457c4 (diff)
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Make logging cost free when there is no output target (#12247)
The logging streams now do almost no work when there is no output target for them. For example, if LL_VERBOSE has no output targets, then `verbosestream << x` will return a StreamProxy with a null target. Any further `<<` operations applied to it will do nothing.
Diffstat (limited to 'cmake/Modules')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 22:11:12 +0000
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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/


#include "debug.h"
#include <stdio.h>
#include <stdlib.h>
#include <cstring>

/*
	Debug output
*/

FILE *g_debugstreams[DEBUGSTREAM_COUNT] = {stderr, NULL};

void debugstreams_init(bool disable_stderr, const char *filename)
{
	if(disable_stderr)
		g_debugstreams[0] = NULL;
	else
		g_debugstreams[0] = stderr;

	if(filename)
		g_debugstreams[1] = fopen(filename, "a");
		
	if(g_debugstreams[1])
	{
		fprintf(g_debugstreams[1], "\n\n-------------\n");
		fprintf(g_debugstreams[1],     "  Separator  \n");
		fprintf(g_debugstreams[1],     "-------------\n\n");
	}
}

void debugstreams_deinit()
{
	if(g_debugstreams[1] != NULL)
		fclose(g_debugstreams[1]);
}

Debugbuf debugbuf(false);
std::ostream dstream(&debugbuf);
Debugbuf debugbuf_no_stderr(true);