From 986fb5638542a943a6d9cd0d38d73605a642c55a Mon Sep 17 00:00:00 2001
From: Dirk Engling <erdgeist@erdgeist.org>
Date: Tue, 17 May 2022 03:09:40 +0200
Subject: Add -2 return code to read() calls that may feature an EAGAIN
---
vchat-tls.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/vchat-tls.c b/vchat-tls.c
index a6e5e2d..8154521 100755
--- a/vchat-tls.c
+++ b/vchat-tls.c
@@ -464,7 +464,13 @@ ssize_t vc_tls_sendmessage(const void *buf, size_t size) {
}
ssize_t vc_tls_receivemessage(void *buf, size_t size) {
- return BIO_read (server_conn, buf, size);
+ ssize_t received = (ssize_t)BIO_read (server_conn, buf, size);
+ fprintf(stderr, "%zd\n", received);
+ if (received != 0)
+ return received;
+ if (BIO_should_retry(server_conn))
+ return -2;
+ return 0;
}
void vc_tls_cleanup() {
--
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