Use ftruncate() at the end of a --sparse file.

[rsync/rsync.git] / compat.c

diff --git a/compat.c b/compat.c
index f5cfbd4..ad29501 100644 (file)
--- a/compat.c
+++ b/compat.c
@@ -24,6 +24,8 @@
 int remote_protocol = 0;
 int file_extra_cnt = 0; /* count of file-list extras that everyone gets */
 int inc_recurse = 0;
+int compat_flags = 0;
+int use_safe_inc_flist = 0;
 
 extern int am_server;
 extern int am_sender;
@@ -72,6 +74,7 @@ int filesfrom_convert = 0;
 #define CF_INC_RECURSE  (1<<0)
 #define CF_SYMLINK_TIMES (1<<1)
 #define CF_SYMLINK_ICONV (1<<2)
+#define CF_SAFE_FLIST   (1<<3)
 
 static const char *client_info;
 
@@ -245,7 +248,6 @@ void setup_protocol(int f_out,int f_in)
                        exit_cleanup(RERR_PROTOCOL);
                }
        } else if (protocol_version >= 30) {
-               int compat_flags;
                if (am_server) {
                        compat_flags = allow_inc_recurse ? CF_INC_RECURSE : 0;
 #ifdef CAN_SET_SYMLINK_TIMES
@@ -254,10 +256,11 @@ void setup_protocol(int f_out,int f_in)
 #ifdef ICONV_OPTION
                        compat_flags |= CF_SYMLINK_ICONV;
 #endif
+                       if (local_server || strchr(client_info, 'f') != NULL)
+                               compat_flags |= CF_SAFE_FLIST;
                        write_byte(f_out, compat_flags);
-               } else {
+               } else
                        compat_flags = read_byte(f_in);
-               }
                /* The inc_recurse var MUST be set to 0 or 1. */
                inc_recurse = compat_flags & CF_INC_RECURSE ? 1 : 0;
                if (am_sender) {
@@ -281,6 +284,7 @@ void setup_protocol(int f_out,int f_in)
                            read_batch ? "batch file" : "connection");
                        exit_cleanup(RERR_SYNTAX);
                }
+               use_safe_inc_flist = (compat_flags & CF_SAFE_FLIST) || protocol_version >= 31;
                need_messages_from_generator = 1;
 #ifdef CAN_SET_SYMLINK_TIMES
        } else if (!am_sender) {