gfx_sleep.c

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/* sleep function */

#include "fb_gfx.h"

int fb_hGfxInputBufferChanged( void );

/*:::::*/
void fb_GfxSleep ( int msecs )
{
        /* infinite? wait until any key is pressed */
        if( msecs == -1 )
        {
                while( !fb_hGfxInputBufferChanged( ) )
                        fb_Delay( 50 );
                return;
        }

        /* if above n-mili-seconds, check for key input, otherwise,
           don't screw the precision with slow console checks */
        if( msecs >= 100 )
                while( msecs > 50 )
                {
                        if( fb_hGfxInputBufferChanged( ) )
                                return;

                        fb_Delay( 50 );
                        msecs -= 50;
                }

        if( msecs > 0 )
                fb_Delay( msecs );

}