X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/6d56efa6ea66afa2e6f4eb79d9dd5f3b54b723c3..7c7462cd3079c27062569dce90f6ae3fa79040b3:/io.c

diff --git a/io.c b/io.c
index 6e5c2329..2756b148 100644
--- a/io.c
+++ b/io.c
@@ -36,7 +36,6 @@
 extern int bwlimit;
 extern size_t bwlimit_writemax;
 extern int io_timeout;
-extern int allowed_lull;
 extern int am_server;
 extern int am_daemon;
 extern int am_sender;
@@ -47,7 +46,6 @@ extern int eol_nulls;
 extern int flist_eof;
 extern int list_only;
 extern int read_batch;
-extern int csum_length;
 extern int protect_args;
 extern int checksum_seed;
 extern int protocol_version;
@@ -60,10 +58,12 @@ extern int filesfrom_convert;
 extern iconv_t ic_send, ic_recv;
 #endif
 
-const char phase_unknown[] = "unknown";
+int csum_length = SHORT_SUM_LENGTH; /* initial value */
+int allowed_lull = 0;
 int ignore_timeout = 0;
 int batch_fd = -1;
 int msgdone_cnt = 0;
+int check_for_io_err = 0;
 
 /* Ignore an EOF error if non-zero. See whine_about_eof(). */
 int kluge_around_eof = 0;
@@ -380,6 +380,8 @@ static void read_msg_fd(void)
 	len = tag & 0xFFFFFF;
 	tag = (tag >> 24) - MPLEX_BASE;
 
+	check_for_io_err = 0;
+
 	switch (tag) {
 	case MSG_DONE:
 		if (len < 0 || len > 1 || !am_generator) {
@@ -414,6 +416,9 @@ static void read_msg_fd(void)
 		}
 		flist = recv_file_list(fd);
 		flist->parent_ndx = IVAL(buf,0);
+		/* If the sender is going to send us an MSG_IO_ERROR value, it
+		 * will always be the very next message following MSG_FLIST. */
+		check_for_io_err = 1;
 #ifdef SUPPORT_HARD_LINKS
 		if (preserve_hard_links)
 			match_hard_links(flist);
@@ -449,6 +454,7 @@ static void read_msg_fd(void)
 		got_flist_entry_status(FES_NO_SEND, buf);
 		break;
 	case MSG_ERROR_SOCKET:
+	case MSG_ERROR_UTF8:
 	case MSG_CLIENT:
 		if (!am_generator)
 			goto invalid_msg;
@@ -512,7 +518,7 @@ static void mplex_write(int fd, enum msgcode code, const char *buf, size_t len,
 		xbuf outbuf, inbuf;
 
 		INIT_XBUF(outbuf, buffer + 4, 0, sizeof buffer - 4);
-		INIT_XBUF(inbuf, (char*)buf, len, -1);
+		INIT_XBUF(inbuf, (char*)buf, len, (size_t)-1);
 
 		iconvbufs(ic_send, &inbuf, &outbuf,
 			  ICB_INCLUDE_BAD | ICB_INCLUDE_INCOMPLETE);
@@ -1061,6 +1067,8 @@ static int readfd_unbuffered(int fd, char *buf, size_t len)
 		msg_bytes = tag & 0xFFFFFF;
 		tag = (tag >> 24) - MPLEX_BASE;
 
+		check_for_io_err = 0;
+
 		switch (tag) {
 		case MSG_DATA:
 			if (msg_bytes > iobuf_in_siz) {
@@ -1092,10 +1100,9 @@ static int readfd_unbuffered(int fd, char *buf, size_t len)
 				xbuf outbuf, inbuf;
 				char ibuf[512];
 				int add_null = 0;
-				int pos = 0;
 
 				INIT_CONST_XBUF(outbuf, line);
-				INIT_XBUF(inbuf, ibuf, 0, -1);
+				INIT_XBUF(inbuf, ibuf, 0, (size_t)-1);
 
 				while (msg_bytes) {
 					inbuf.len = msg_bytes > sizeof ibuf
@@ -1107,7 +1114,6 @@ static int readfd_unbuffered(int fd, char *buf, size_t len)
 					if (iconvbufs(ic_send, &inbuf, &outbuf,
 					    ICB_INCLUDE_BAD | ICB_INCLUDE_INCOMPLETE) < 0)
 						goto overflow;
-					pos = -1;
 				}
 				if (add_null) {
 					if (outbuf.len == outbuf.size)