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/******************************************************************************
* Project: PROJ.4
* Purpose: Implementation of pj_log() function.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 2010, Frank Warmerdam
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "proj.h"
#include "projects.h"
/************************************************************************/
/* pj_stderr_logger() */
/************************************************************************/
void pj_stderr_logger( void *app_data, int level, const char *msg )
{
(void) app_data;
(void) level;
fprintf( stderr, "%s\n", msg );
}
/************************************************************************/
/* pj_vlog() */
/************************************************************************/
void pj_vlog( projCtx ctx, int level, const char *fmt, va_list args );
/* Workhorse for the log functions - relates to pj_log as vsprintf relates to sprintf */
void pj_vlog( projCtx ctx, int level, const char *fmt, va_list args )
{
char *msg_buf;
int debug_level = ctx->debug_level;
int shutup_unless_errno_set = debug_level < 0;
/* For negative debug levels, we first start logging when errno is set */
if (ctx->last_errno==0 && shutup_unless_errno_set)
return;
if (debug_level < 0)
debug_level = -debug_level;
if( level > debug_level )
return;
msg_buf = (char *) malloc(100000);
if( msg_buf == nullptr )
return;
/* we should use vsnprintf where available once we add configure detect.*/
vsprintf( msg_buf, fmt, args );
ctx->logger( ctx->app_data, level, msg_buf );
free( msg_buf );
}
/************************************************************************/
/* pj_log() */
/************************************************************************/
void pj_log( projCtx ctx, int level, const char *fmt, ... )
{
va_list args;
if( level > ctx->debug_level )
return;
va_start( args, fmt );
pj_vlog( ctx, level, fmt, args );
va_end( args );
}
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