X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/5d8dcd1edbbfdd691a3a84e9191a96584cae34e1..28b519c93b6db30b6520d46f8cd65160213fddd2:/compat.c

diff --git a/compat.c b/compat.c
index ad29501e..45073d3d 100644
--- a/compat.c
+++ b/compat.c
@@ -34,6 +34,7 @@ extern int inplace;
 extern int recurse;
 extern int use_qsort;
 extern int allow_inc_recurse;
+extern int preallocate_files;
 extern int append_mode;
 extern int fuzzy_basis;
 extern int read_batch;
@@ -189,6 +190,14 @@ void setup_protocol(int f_out,int f_in)
 	if (read_batch)
 		check_batch_flags();
 
+#ifndef SUPPORT_PREALLOCATION
+	if (preallocate_files && !am_sender) {
+		rprintf(FERROR, "preallocation is not supported on this %s\n",
+			am_server ? "Server" : "Client");
+		exit_cleanup(RERR_SYNTAX);
+	}
+#endif
+
 	if (protocol_version < 30) {
 		if (append_mode == 1)
 			append_mode = 2;