io_inkey.c

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/* console INKEY() function */

#include "../fb.h"
#include "fb_private_console.h"
#include <conio.h>

FBSTRING *fb_ConsoleInkey( void )
{
        FBSTRING *res;

        if( fb_ConsoleKeyHit( ) ) {
                res = fb_hMakeInkeyStr( fb_ConsoleGetkey( ) );
        } else {
                res = &__fb_ctx.null_desc;
        }

        return res;
}

int fb_ConsoleGetkey( void )
{
        unsigned int k;

        k = (unsigned int)getch( );
        if( k == 0x00 || k == 0xE0 )
                k = FB_MAKE_EXT_KEY( (unsigned int)getch( ) );

        /* Reset the status for "key buffer changed" when a key
         * was removed from the input queue. */
        fb_hConsoleInputBufferChanged( );

        return k;
}

int fb_ConsoleKeyHit( void )
{
        return _conio_kbhit( );
}