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/*
* rtsystem.stdlib.cpp
*
* Copyright (c) 2000-2004 by Florian Fischer (florianfischer@gmx.de)
* and Martin Trautmann (martintrautmann@gmx.de)
*
* This file may be distributed and/or modified under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation.
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
///// Stdlib implementation of System functions
#ifndef __LRT_SYSTEM_STDLIB__
#define __LRT_SYSTEM_STDLIB__
#include <stdlib.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/timeb.h>
#include <time.h>
#include <string.h>
#include <signal.h>
#include "rtsystem.h"
#include "rtfile.h"
namespace lrt {
Time::Time(const String& str) : sec(0), msec(0)
{
Array<String> parts = str.split(" :", "");
if(parts.length() != 7) // there should be 7 parts
return;
struct tm myTm;
myTm.tm_isdst = -1;
myTm.tm_mon = getMonthNum(parts[1]);
myTm.tm_mday = parts[2].intValue(1);
myTm.tm_hour = parts[3].intValue(0);
myTm.tm_min = parts[4].intValue(0);
myTm.tm_sec = parts[5].intValue(0);
myTm.tm_year = parts[6].intValue(1970) - 1900;
time_t myTime = mktime(&myTm);
sec = (int)myTime;
}
Time Time::getCurrentTime()
{
Time ret;
struct timeb tp;
ftime( &tp );
ret.sec = tp.time;
ret.msec = tp.millitm;
return ret;
}
String Time::toString()
{
time_t tm = (long)sec;
return String(ctime(&tm));
}
void System::message(const String& str)
{
println(str);
}
void System::exit(int errnum)
{
finalize();
::exit(errnum);
}
void System::exit(int errnum, const String &errmsg)
{
finalize();
::printf("%s\n", errmsg.cStr());
::fflush(stdout);
::exit(errnum);
}
// my signal handler - calls the user function instead
void mySignalHandler(int sig)
{
if(!lrt::System::lastBreakFunction) // no user func installed
return;
lrt::System::BreakType type = lrt::System::CTRL_C;
if(sig == SIGTERM)
type = lrt::System::TERMINATE;
// actually call user function
lrt::System::lastBreakFunction(type);
}
void System::setOnBreak(System::BreakFunction func, bool catchKill)
{
if(lastBreakFunction) { // remove my signal handler, unload the function
lastBreakFunction = 0;
signal(SIGINT, SIG_DFL);
signal(SIGTERM, SIG_DFL);
}
if(func) { // add my new signal handler
lastBreakFunction = func;
signal(SIGINT, mySignalHandler);
if(catchKill)
signal(SIGTERM, mySignalHandler);
}
}
void System::initialize()
{
init = true;
}
void System::print(const char *cStr)
{
if(!init) initialize();
fputs(cStr, stdout);
}
void System::print(const String &str)
{
print((const char *)str.cStr());
}
void System::println()
{
if(!init) initialize();
fputs("\n", stdout);
fflush(stdout);
}
void System::println(const String &str)
{
if(!init) initialize();
fputs(str.cStr(), stdout);
fputs("\n", stdout);
fflush(stdout);
}
char System::read()
{
if(!init) initialize();
return (char) getchar();
}
String System::readLine(const String& query)
{
if(!init) initialize();
if(query.length() > 0) print(query);
fflush(stdout);
String ret;
char ch = 0;
while(true)
{
fread(&ch, 1, 1, stdin);
if(ch == '\n') break;
ret += ch;
}
return ret;
}
void System::setPos(int x, int y)
{
#ifdef __UNIX__ // Using Unix, we can assume that terminal emulation is supported.
::printf("\033[%d;%dH", y, x);
#endif
}
void System::copyMemory(const void* src, void* dest, int length)
{
#ifndef __NOCHECK__
if(length < 0)
System::exit(-1, "length < 0 in System::copyMemory()");
#endif
::memcpy(dest, src, length);
}
void System::fillMemory(void* ptr, int length, char data)
{
#ifndef __NOCHECK__
if(length < 0)
System::exit(-1, "length < 0 in System::fillMemory()");
#endif
::memset(ptr, data, length);
}
void System::finalize()
{
File::finalize();
init = false;
}
} // namespace
#endif
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