[PATCH v5 03/28] pkt-line: Make packet_read_line easier to debug

["Shawn O. Pearce" <spearce@spearce.org>]

When there is an error parsing the 4 byte length component we now
display it as part of the die message, this may hint as to what
data was misunderstood by the application.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
---
 pkt-line.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/pkt-line.c b/pkt-line.c
index bd603f8..295ba2b 100644
--- a/pkt-line.c
+++ b/pkt-line.c
@@ -129,7 +129,7 @@ int packet_read_line(int fd, char *buffer, unsigned size)
 	safe_read(fd, linelen, 4);
 	len = packet_length(linelen);
 	if (len < 0)
-		die("protocol error: bad line length character");
+		die("protocol error: bad line length character: %.4s", linelen);
 	if (!len)
 		return 0;
 	len -= 4;
-- 
1.6.5.2.181.gd6f41