dovecot: Don't assert-crash if underlying input stream read only...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot/rev/d85bfe89f4b8
changeset: 6563:d85bfe89f4b8
user:      Timo Sirainen <tss at iki.fi>
date:      Sat Oct 20 19:21:15 2007 +0300
description:
Don't assert-crash if underlying input stream read only a CR character.

diffstat:

1 file changed, 4 insertions(+), 1 deletion(-)
src/lib/istream-crlf.c |    5 ++++-

diffs (15 lines):

diff -r 8917cf7fa8ba -r d85bfe89f4b8 src/lib/istream-crlf.c
--- a/src/lib/istream-crlf.c	Sat Oct 20 19:17:00 2007 +0300
+++ b/src/lib/istream-crlf.c	Sat Oct 20 19:21:15 2007 +0300
@@ -100,7 +100,10 @@ static ssize_t i_stream_crlf_read(struct
 	i_stream_skip(cstream->input, i);
 
 	ret = dest - stream->pos;
-	i_assert(ret > 0);
+	if (ret == 0) {
+		i_assert(cstream->last_char == '\r' && size == 1);
+		return i_stream_crlf_read(stream);
+	}
 	stream->pos = dest;
 	return ret;
 }