-#ifdef WIN32
-#include <windows.h>
-#endif
-#include <stdexcept>
+#include <msp/strings/format.h>
#include "seekable.h"
using namespace std;
namespace Msp {
namespace IO {
-int sys_seek_type(SeekType st)
-{
-#ifdef WIN32
- if(st==S_BEG)
- return FILE_BEGIN;
- else if(st==S_CUR)
- return FILE_CURRENT;
- else if(st==S_END)
- return FILE_END;
-#else
- if(st==S_BEG)
- return SEEK_SET;
- else if(st==S_CUR)
- return SEEK_CUR;
- else if(st==S_END)
- return SEEK_END;
-#endif
-
- throw invalid_argument("sys_seek_type");
-}
+bad_seek::bad_seek(SeekOffset offset, SeekType type):
+ runtime_error(type==S_BEG ? lexical_cast<string>(offset) :
+ type==S_CUR ? format("CUR%+d", offset) :
+ type==S_END ? format("END%+d", offset) :
+ format("SeekType(%d)", type))
+{ }
} // namespace IO
} // namespace Msp