dovecot-2.2: lib: Added extra assert to i_stream_read()

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/69cb603dec84
changeset: 19431:69cb603dec84
user:      Timo Sirainen <tss at iki.fi>
date:      Fri Nov 27 15:50:44 2015 +0200
description:
lib: Added extra assert to i_stream_read()

diffstat:

 src/lib/istream.c |  5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diffs (22 lines):

diff -r feba082aede2 -r 69cb603dec84 src/lib/istream.c
--- a/src/lib/istream.c	Fri Nov 27 15:49:58 2015 +0200
+++ b/src/lib/istream.c	Fri Nov 27 15:50:44 2015 +0200
@@ -6,6 +6,8 @@
 #include "str.h"
 #include "istream-private.h"
 
+static bool i_stream_is_buffer_invalid(const struct istream_private *stream);
+
 void i_stream_set_name(struct istream *stream, const char *name)
 {
 	i_free(stream->real_stream->iostream.name);
@@ -184,6 +186,9 @@
 	}
 
 	i_stream_update(_stream);
+	/* verify that parents' access_counters are valid. the parent's
+	   i_stream_read() should guarantee this. */
+	i_assert(!i_stream_is_buffer_invalid(_stream));
 	return ret;
 }