diff -ur samba-3.0.20b-orig/source/tdb/tdb.c samba-3.0.20b/source/tdb/tdb.c
--- samba-3.0.20b-orig/source/tdb/tdb.c	2005-10-12 17:03:46.000000000 +0000
+++ samba-3.0.20b/source/tdb/tdb.c	2005-11-17 13:19:07.000000000 +0000
@@ -403,9 +403,9 @@
 	if (tdb->map_ptr)
 		memcpy(off + (char *)tdb->map_ptr, buf, len);
 #ifdef HAVE_PWRITE
-	else if (pwrite(tdb->fd, buf, len, off) != (ssize_t)len) {
+	else if (pwrite(tdb->fd, buf, len, (off_t)off) != (ssize_t)len) {
 #else
-	else if (lseek(tdb->fd, off, SEEK_SET) != off
+	else if (lseek(tdb->fd, (off_t)off, SEEK_SET) != off
 		 || write(tdb->fd, buf, len) != (ssize_t)len) {
 #endif
 		/* Ensure ecode is set for log fn. */
@@ -426,9 +426,9 @@
 	if (tdb->map_ptr)
 		memcpy(buf, off + (char *)tdb->map_ptr, len);
 #ifdef HAVE_PREAD
-	else if (pread(tdb->fd, buf, len, off) != (ssize_t)len) {
+	else if (pread(tdb->fd, buf, len, (off_t)off) != (ssize_t)len) {
 #else
-	else if (lseek(tdb->fd, off, SEEK_SET) != off
+	else if (lseek(tdb->fd, (off_t)off, SEEK_SET) != off
 		 || read(tdb->fd, buf, len) != (ssize_t)len) {
 #endif
 		/* Ensure ecode is set for log fn. */
@@ -763,9 +763,9 @@
 	char b = 0;
 
 #ifdef HAVE_PWRITE
-	if (pwrite(tdb->fd,  &b, 1, (size+addition) - 1) != 1) {
+	if (pwrite(tdb->fd,  &b, 1, (off_t)((size+addition) - 1)) != 1) {
 #else
-	if (lseek(tdb->fd, (size+addition) - 1, SEEK_SET) != (size+addition) - 1 || 
+	if (lseek(tdb->fd, (off_t)((size+addition) - 1), SEEK_SET) != (size+addition) - 1 || 
 	    write(tdb->fd, &b, 1) != 1) {
 #endif
 		TDB_LOG((tdb, 0, "expand_file to %d failed (%s)\n", 
@@ -780,10 +780,10 @@
 	while (addition) {
 		int n = addition>sizeof(buf)?sizeof(buf):addition;
 #ifdef HAVE_PWRITE
-		int ret = pwrite(tdb->fd, buf, n, size);
+		int ret = pwrite(tdb->fd, buf, n, (off_t)size);
 #else
 		int ret;
-		if (lseek(tdb->fd, size, SEEK_SET) != size)
+		if (lseek(tdb->fd, (off_t)size, SEEK_SET) != size)
 			return -1;
 		ret = write(tdb->fd, buf, n);
 #endif