Index: fd.c
===================================================================
RCS file: /home/projects/pgsql/cvsroot/pgsql/src/backend/storage/file/fd.c,v
retrieving revision 1.59
diff -c -b -w -r1.59 fd.c
*** fd.c	2000/06/02 15:57:24	1.59
--- fd.c	2000/06/13 08:16:06
***************
*** 841,849 ****
  				elog(ERROR, "FileSeek: invalid whence: %d", whence);
  				break;
  		}
! 	}
! 	else
  		VfdCache[file].seekPos = lseek(VfdCache[file].fd, offset, whence);
  	return VfdCache[file].seekPos;
  }
  
--- 841,863 ----
  				elog(ERROR, "FileSeek: invalid whence: %d", whence);
  				break;
  		}
! 	} else
! 		switch (whence) {
! 			case SEEK_SET:
! 				if (VfdCache[file].seekPos != offset)
! 					VfdCache[file].seekPos = lseek(VfdCache[file].fd, offset, whence);
! 				break;
! 			case SEEK_CUR:
! 				if (offset != 0);
  					VfdCache[file].seekPos = lseek(VfdCache[file].fd, offset, whence);
+ 				break;
+ 			case SEEK_END:
+ 				VfdCache[file].seekPos = lseek(VfdCache[file].fd, offset, whence);
+ 				break;
+ 			default:
+ 				elog(ERROR, "FileSeek: invalid whence: %d", whence);
+ 				break;
+ 		}
  	return VfdCache[file].seekPos;
  }