From cb269158f0f81455efee7d58f4499c611c1cf508 Mon Sep 17 00:00:00 2001
From: Dmitriy Gerasimov <naeper@demlabs.net>
Date: Wed, 15 May 2019 22:21:39 +0700
Subject: [PATCH] [*] Now ch_pkt_write function could work with null data input
---
dap_stream_ch_pkt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/dap_stream_ch_pkt.c b/dap_stream_ch_pkt.c
index fbbe497..6124a0c 100755
--- a/dap_stream_ch_pkt.c
+++ b/dap_stream_ch_pkt.c
@@ -78,7 +78,8 @@ size_t dap_stream_ch_pkt_write(struct dap_stream_ch * a_ch, uint8_t a_type, con
a_data_size=sizeof(a_ch->buf)-sizeof(l_hdr);
}
memcpy(a_ch->buf,&l_hdr,sizeof(l_hdr) );
- memcpy(a_ch->buf+sizeof(l_hdr),a_data,a_data_size );
+ if( a_data_size )
+ memcpy(a_ch->buf+sizeof(l_hdr),a_data,a_data_size );
size_t l_ret=dap_stream_pkt_write(a_ch->stream,a_ch->buf,a_data_size+sizeof(l_hdr));
a_ch->stat.bytes_write+=a_data_size;
--
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