From 241c72599d7da72ada7cc15da90b7309e74241ea Mon Sep 17 00:00:00 2001 From: wu-changsheng Date: Sat, 24 Sep 2022 21:48:12 +0800 Subject: [PATCH 11/21] fix sendmsg data write wrong --- src/lstack/core/lstack_lwip.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/lstack/core/lstack_lwip.c b/src/lstack/core/lstack_lwip.c index 5174e4c..d1e09ce 100644 --- a/src/lstack/core/lstack_lwip.c +++ b/src/lstack/core/lstack_lwip.c @@ -526,7 +526,12 @@ ssize_t sendmsg_to_stack(int32_t s, const struct msghdr *message, int32_t flags) if (ret < 0) { return buflen == 0 ? ret : buflen; } + buflen += ret; + + if (ret < message->msg_iov[i].iov_len) { + return buflen; + } } return buflen; -- 2.23.0