$NetBSD: patch-am,v 1.1 2012/02/24 18:36:48 christos Exp $

--- lib/mp4v2/mp4file_io.cpp.orig	2007-04-30 16:29:28.000000000 -0400
+++ lib/mp4v2/mp4file_io.cpp	2012-02-24 13:04:54.000000000 -0500
@@ -34,13 +34,11 @@
 			}
 			return fpos;
 		} else {
-			fpos_t fpos;
-			if (fgetpos(pFile, &fpos) < 0) { 
+			u_int64_t fpos = ftello(pFile);
+			if (fpos == (u_int64_t)-1) {
 				throw new MP4Error(errno, "MP4GetPosition");
 			}
-			uint64_t ret;
-			FPOS_TO_VAR(fpos, uint64_t, ret);
-			return ret;
+			return fpos;
 		}
 	} else {
 		return m_memoryBufferPosition;
@@ -56,9 +54,7 @@
 				throw new MP4Error("setting position via Virtual I/O", "MP4SetPosition");
 			}
 		}	else {
-			fpos_t fpos;
-			VAR_TO_FPOS(fpos, pos);
-			if (fsetpos(pFile, &fpos) < 0) { 
+			if (fseeko(pFile, pos, SEEK_SET) < 0) { 
 				throw new MP4Error(errno, "MP4SetPosition");
 			}
 		}