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/*
* error.cc Error handling
* Copyright (C) 2000 - 2002 Arne Schirmacher <arne@schirmacher.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of 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.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
// C includes
#include <errno.h>
#include <string.h>
// C++ includes
#include <string>
#include <iostream>
#include <sstream>
#include <iomanip>
#include <cstdio>
using std::ostringstream;
using std::string;
using std::endl;
using std::ends;
// local includes
#include "error.h"
static bool needNewLine = false;
#define MAX_DEBUG_PIDS 512
static int pids[MAX_DEBUG_PIDS];
static int n_pids = 0;
bool d_all;
bool d_hdv_pat;
bool d_hdv_pmt;
bool d_hdv_pids;
bool d_hdv_pes;
bool d_hdv_packet;
bool d_hdv_video;
bool d_hdv_sonya1;
void d_hdv_pid_add( int pid )
{
if ( n_pids < MAX_DEBUG_PIDS )
pids[n_pids++] = pid;
}
bool d_hdv_pid_check( int pid )
{
for ( int i=0; i<n_pids; i++ )
if ( pids[i] == pid )
return true;
return false;
}
void sendEventParams( int preline, int postline, const char *format, ... )
{
va_list list;
va_start( list, format );
char line[ 1024 ];
int ret;
if ( needNewLine )
{
if ( preline == 1 )
fprintf( stderr, "\n" );
else if ( preline == 2 )
fprintf( stderr, "\r%-80.80s\r", " " );
}
if ( postline )
ret = snprintf( line, 1024, "%s\n", format );
else
ret = snprintf( line, 1024, "%s", format );
if ( ret > 0 )
vfprintf( stderr, line, list );
va_end( list );
if ( postline )
needNewLine = false;
else
needNewLine = true;
}
void real_fail_neg( int eval, const char *eval_str, const char *func, const char *file, int line )
{
if ( eval < 0 )
{
string exc;
ostringstream sb;
sb << file << ":" << line << ": In function \"" << func << "\": \"" << eval_str << "\" evaluated to " << eval;
if ( errno != 0 )
sb << endl << file << ":" << line << ": errno: " << errno << " (" << strerror( errno ) << ")";
sb << ends;
exc = sb.str();
std::cerr << "Error: " << exc;
throw;
}
}
/** error handler for NULL result codes
Whenever this is called with a NULL argument, it will throw an
exception. Typically used with functions like malloc() and new().
*/
void real_fail_null( const void *eval, const char *eval_str, const char *func, const char *file, int line )
{
if ( eval == NULL )
{
string exc;
ostringstream sb;
sb << file << ":" << line << ": In function \"" << func << "\": " << eval_str << " is NULL" << ends;
exc = sb.str();
std::cerr << "Error: " << exc;
throw;
}
}
void real_fail_if( bool eval, const char *eval_str, const char *func, const char *file, int line )
{
if ( eval == true )
{
string exc;
ostringstream sb;
sb << file << ":" << line << ": In function \"" << func << "\": condition \"" << eval_str << "\" is true";
if ( errno != 0 )
sb << endl << file << ":" << line << ": errno: " << errno << " (" << strerror( errno ) << ")";
sb << ends;
exc = sb.str();
std::cerr << "Error: " << exc;
throw;
}
}
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