Index: src/port/open.c
===================================================================
RCS file: /projects/cvsroot/pgsql/src/port/open.c,v
retrieving revision 1.21
diff -c -r1.21 open.c
*** src/port/open.c	15 Nov 2007 21:14:46 -0000	1.21
--- src/port/open.c	29 Nov 2007 11:44:46 -0000
***************
*** 88,109 ****
  						((fileFlags & O_DSYNC) ? FILE_FLAG_WRITE_THROUGH : 0),
  						NULL)) == INVALID_HANDLE_VALUE)
  	{
! 		switch (GetLastError())
! 		{
! 				/* EMFILE, ENFILE should not occur from CreateFile. */
! 			case ERROR_PATH_NOT_FOUND:
! 			case ERROR_FILE_NOT_FOUND:
! 				errno = ENOENT;
! 				break;
! 			case ERROR_FILE_EXISTS:
! 				errno = EEXIST;
! 				break;
! 			case ERROR_ACCESS_DENIED:
! 				errno = EACCES;
! 				break;
! 			default:
! 				errno = EINVAL;
! 		}
  		return -1;
  	}

--- 88,94 ----
  						((fileFlags & O_DSYNC) ? FILE_FLAG_WRITE_THROUGH : 0),
  						NULL)) == INVALID_HANDLE_VALUE)
  	{
! 		_dosmaperr(GetLastError());
  		return -1;
  	}