// Copyright status: this file is in the public domain.

#include "lx.h"

#include "internal.h"

LX_BACKINGSTORE lx_backing_store(LX_CONN *xc, int n)
{
 if ((xc->flags & XCF_FAIL) || (n < 0) || (n >= xc->nscreens)) return(LX_BACKINGSTORE_Error);
 switch (xc->screens[n].backingstore)
  { case BS_NEVER:
       return(LX_BACKINGSTORE_Never);
       break;
    case BS_WHENMAPPED:
       return(LX_BACKINGSTORE_WhenMapped);
       break;
    case BS_ALWAYS:
       return(LX_BACKINGSTORE_Always);
       break;
  }
 lx_abort();
 return(LX_BACKINGSTORE_Error);
}