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/*
* Copyright (c) 2006 Michael Eddington
* Copyright (c) 2001 Jani Kajala
*
* Permission to use, copy, modify, distribute and sell this
* software and its documentation for any purpose is hereby
* granted without fee, provided that the above copyright notice
* appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation.
* Jani Kajala makes no representations about the suitability
* of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
// $Id$
#include "printStackTrace.h"
#include "StackTrace.h"
#include "MapFile.h"
#include <stdio.h>
#include <string.h>
//-----------------------------------------------------------------------------
using namespace dev;
//-----------------------------------------------------------------------------
// We will keep the parsed map file around
// after we create it.
static MapFile* map = NULL;
/* Function: StackTraceCleanup
*
* Cleanup memory used by stacktrace library.
*
* See Also:
*
* <printStackTrace>
*/
extern "C" void StackTraceCleanup()
{
if(map)
delete map;
map = NULL;
}
/* Function: printStackTrace
*
* Prints stack trace to user defined buffer.
* Always terminates the buffer with 0.
*
* Must call <StackTraceCleanup> to free used memory.
*
* TODO: Support for multiple map files in func def.
* already supported by core code.
*
* Parameters:
*
* buffer - Buffer to recieve stacktrace, at least 600 bytes
* bufferSize - Size of buffer
* mapFilename - [Optional] Location of map file to use
*
* See Also:
*
* <StackTraceCleanup>
*/
extern "C" void printStackTrace( char* buffer, int bufferSize, char* mapFilename )
{
if(map == NULL)
{
// find out map file name
char modname[500];
if(mapFilename == NULL)
MapFile::getModuleMapFilename( modname, sizeof(modname) );
else
strncpy(modname, mapFilename, sizeof(modname)/sizeof(char));
// parse map file
map = new MapFile( modname );
switch ( map->error() )
{
case MapFile::ERROR_OPEN: sprintf( buffer, "Failed to open map file %s\n", modname ); break;
case MapFile::ERROR_READ: sprintf( buffer, "Error while reading map file %s(%i)\n", modname, map->line() ); break;
case MapFile::ERROR_PARSE: sprintf( buffer, "Parse error in map file %s(%i)\n", modname, map->line() ); break;
default: break;
}
}
// print stack trace to buffer
if ( !map->error() )
{
MapFile* maps[] = {map};
StackTrace::printStackTrace( maps, 1, 1, 16, buffer, bufferSize);
}
}
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