From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Wed, 29 Sep 2021 10:13:53 +0000 (+0300)
Subject: lib: i_stream_try_alloc() - Add sanity check asserts
X-Git-Tag: 2.3.18~223
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7f752d77be4afca69c1e03d88bd0b1ea03018185;p=thirdparty%2Fdovecot%2Fcore.git

lib: i_stream_try_alloc() - Add sanity check asserts
---

diff --git a/src/lib/istream.c b/src/lib/istream.c
index fd37dc958e..eef54b9488 100644
--- a/src/lib/istream.c
+++ b/src/lib/istream.c
@@ -890,6 +890,7 @@ bool i_stream_try_alloc(struct istream_private *stream,
 			size_t wanted_size, size_t *size_r)
 {
 	i_assert(wanted_size > 0);
+	i_assert(stream->buffer_size >= stream->pos);
 
 	if (wanted_size > stream->buffer_size - stream->pos) {
 		if (stream->skip > 0) {
@@ -919,6 +920,7 @@ bool i_stream_try_alloc(struct istream_private *stream,
 		else
 			*size_r = stream->data_limit - buffered;
 	}
+	i_assert(stream->w_buffer != NULL || *size_r == 0);
 	return *size_r > 0;
 }