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/*
* (c) The University of Glasgow 2002
*
* Win32 Console API support
*/
#include "ghcconfig.h"
#if defined(mingw32_HOST_OS) || defined(cygwin32_HOST_OS) || defined(__MINGW32__) || defined(_MSC_VER)
/* to the end */
#include "consUtils.h"
#include <windows.h>
#include <io.h>
#if defined(cygwin32_HOST_OS)
#define _get_osfhandle get_osfhandle
#endif
int
set_console_buffering__(int fd, int cooked)
{
HANDLE h;
DWORD st;
/* According to GetConsoleMode() docs, it is not possible to
leave ECHO_INPUT enabled without also having LINE_INPUT,
so we have to turn both off here. */
DWORD flgs = ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT;
if ( (h = (HANDLE)_get_osfhandle(fd)) != INVALID_HANDLE_VALUE ) {
if ( GetConsoleMode(h,&st) &&
SetConsoleMode(h, cooked ? (st | ENABLE_LINE_INPUT) : st & ~flgs) ) {
return 0;
}
}
return -1;
}
int
set_console_echo__(int fd, int on)
{
HANDLE h;
DWORD st;
DWORD flgs = ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT;
if ( (h = (HANDLE)_get_osfhandle(fd)) != INVALID_HANDLE_VALUE ) {
if ( GetConsoleMode(h,&st) &&
SetConsoleMode(h,( on ? (st | flgs) : (st & ~ENABLE_ECHO_INPUT))) ) {
return 0;
}
}
return -1;
}
int
get_console_echo__(int fd)
{
HANDLE h;
DWORD st;
if ( (h = (HANDLE)_get_osfhandle(fd)) != INVALID_HANDLE_VALUE ) {
if ( GetConsoleMode(h,&st) ) {
return (st & ENABLE_ECHO_INPUT ? 1 : 0);
}
}
return -1;
}
int
flush_input_console__(int fd)
{
HANDLE h;
if ( (h = (HANDLE)_get_osfhandle(fd)) != INVALID_HANDLE_VALUE ) {
if ( FlushConsoleInputBuffer(h) ) {
return 0;
}
}
/* ToDo: translate GetLastError() into something errno-friendly */
return -1;
}
#endif /* defined(mingw32_HOST_OS) || ... */
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