X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/1ed91a04fe62c11d339866fc8e4afde88af80fbe..bec617b934dc2ef90b7acd1c7ef4b5db74821e91:/receiver.c

diff --git a/receiver.c b/receiver.c
index 53537c38..d348cf87 100644
--- a/receiver.c
+++ b/receiver.c
@@ -21,7 +21,7 @@
 #include "rsync.h"
 
 extern int verbose;
-extern int dry_run;
+extern int do_xfers;
 extern int am_daemon;
 extern int am_server;
 extern int do_progress;
@@ -30,6 +30,7 @@ extern int log_format_has_i;
 extern int daemon_log_format_has_i;
 extern int csum_length;
 extern int read_batch;
+extern int write_batch;
 extern int batch_gen_fd;
 extern int protocol_version;
 extern int relative_paths;
@@ -44,6 +45,7 @@ extern int remove_sent_files;
 extern int module_id;
 extern int ignore_errors;
 extern int orig_umask;
+extern int append_mode;
 extern int keep_partial;
 extern int checksum_seed;
 extern int inplace;
@@ -211,6 +213,28 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
 
 	sum_init(checksum_seed);
 
+	if (append_mode) {
+		OFF_T j;
+		sum.flength = (OFF_T)sum.count * sum.blength;
+		if (sum.remainder)
+			sum.flength -= sum.blength - sum.remainder;
+		for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
+			sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
+				   CHUNK_SIZE);
+			offset = j;
+		}
+		if (offset < sum.flength) {
+			int32 len = sum.flength - offset;
+			sum_update(map_ptr(mapbuf, offset, len), len);
+			offset = sum.flength;
+		}
+		if (fd != -1 && do_lseek(fd, offset, SEEK_SET) != offset) {
+			rsyserr(FERROR, errno, "lseek failed on %s",
+				full_fname(fname));
+			exit_cleanup(RERR_FILEIO);
+		}
+	}
+
 	while ((i = recv_token(f_in, &data)) != 0) {
 		if (do_progress)
 			show_progress(offset, total_size);
@@ -416,6 +440,7 @@ int recv_files(int f_in, struct file_list *flist, char *local_name)
 			send_msg(MSG_DONE, "", 0);
 			if (keep_partial && !partial_dir)
 				make_backups = 0; /* prevents double backup */
+			append_mode = 0;
 			continue;
 		}
 
@@ -452,13 +477,19 @@ int recv_files(int f_in, struct file_list *flist, char *local_name)
 			exit_cleanup(RERR_PROTOCOL);
 		}
 
-		if (dry_run) { /* log the transfer */
+		if (!do_xfers) { /* log the transfer */
 			if (!am_server && log_format)
 				log_item(file, &stats, iflags, NULL);
 			if (read_batch)
 				discard_receive_data(f_in, file->length);
 			continue;
 		}
+		if (write_batch < 0) {
+			log_item(file, &stats, iflags, NULL);
+			if (!am_server)
+				discard_receive_data(f_in, file->length);
+			continue;
+		}
 
 		if (read_batch) {
 			next_gen_i = get_next_gen_i(batch_gen_fd, next_gen_i, i);