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Console.cpp
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executable file
·61 lines (45 loc) · 1.48 KB
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#include "Console.h"
#include "jni\defines.h"
namespace star_w
{
static const WORD MAX_CONSOLE_LINES = 500;
void RedirectIOToConsole()
{
int32 hConHandle;
long lStdHandle;
CONSOLE_SCREEN_BUFFER_INFO conInfo;
FILE * fp;
// allocate a console for this app
AllocConsole();
// set the screen buffer to be big enough to let us scroll text
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &conInfo);
conInfo.dwSize.Y = MAX_CONSOLE_LINES;
SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE),
conInfo.dwSize);
// redirect unbuffered STDOUT to the console
lStdHandle = long(GetStdHandle(STD_OUTPUT_HANDLE));
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
fp = _fdopen(hConHandle, "w");
*stdout = *fp;
setvbuf(stdout, NULL, _IONBF, 0);
// redirect unbuffered STDIN to the console
lStdHandle = long(GetStdHandle(STD_INPUT_HANDLE));
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
fp = _fdopen(hConHandle, "r");
*stdin = *fp;
setvbuf(stdin, NULL, _IONBF, 0);
// redirect unbuffered STDERR to the console
lStdHandle = long(GetStdHandle(STD_ERROR_HANDLE));
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
fp = _fdopen(hConHandle, "w");
*stderr = *fp;
setvbuf(stderr, NULL, _IONBF, 0);
// make cout, wcout, cin, wcin, wcerr, cerr, wclog and clog
// point to console as well
std::ios::sync_with_stdio();
}
void CleanUpConsole()
{
FreeConsole();
}
}