dovecot: Minor error handling fix.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot/rev/76cf2e548c6d
changeset: 6698:76cf2e548c6d
user:      Timo Sirainen <tss at iki.fi>
date:      Mon Nov 05 21:51:18 2007 +0200
description:
Minor error handling fix.

diffstat:

1 file changed, 3 insertions(+)
src/imap/imap-fetch.c |    3 +++

diffs (13 lines):

diff -r 0adff60c543b -r 76cf2e548c6d src/imap/imap-fetch.c
--- a/src/imap/imap-fetch.c	Mon Nov 05 21:48:45 2007 +0200
+++ b/src/imap/imap-fetch.c	Mon Nov 05 21:51:18 2007 +0200
@@ -195,6 +195,9 @@ static int imap_fetch_flush_buffer(struc
 	data = str_data(ctx->cur_str);
 	len = str_len(ctx->cur_str);
 
+	if (len == 0)
+		return 0;
+
 	/* there's an extra space at the end if we added any fetch items
 	   to buffer */
 	if (data[len-1] == ' ') {