From d5a153bbe3134a37dc4bcee0ab9a10c4b59f8d2e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Janouch?= <p.janouch@gmail.com>
Date: Sun, 12 Jul 2015 05:30:13 +0200
Subject: [PATCH] Call ERR_clear_error() where necessary

---
 degesch.c | 2 ++
 kike.c    | 2 ++
 zyklonb.c | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/degesch.c b/degesch.c
index 9eb1882..70387c4 100644
--- a/degesch.c
+++ b/degesch.c
@@ -4009,6 +4009,7 @@ transport_tls_try_read (struct server *s)
 	data->ssl_rx_want_tx = false;
 	while (true)
 	{
+		ERR_clear_error ();
 		str_ensure_space (buf, 512);
 		int n_read = SSL_read (data->ssl, buf->str + buf->len,
 			buf->alloc - buf->len - 1 /* null byte */);
@@ -4046,6 +4047,7 @@ transport_tls_try_write (struct server *s)
 	data->ssl_tx_want_rx = false;
 	while (buf->len)
 	{
+		ERR_clear_error ();
 		int n_written = SSL_write (data->ssl, buf->str, buf->len);
 
 		const char *error_info = NULL;
diff --git a/kike.c b/kike.c
index 43d16bf..d2766d7 100644
--- a/kike.c
+++ b/kike.c
@@ -3113,6 +3113,7 @@ irc_try_read_ssl (struct client *c)
 	while (true)
 	{
 		str_ensure_space (buf, 512);
+		ERR_clear_error ();
 		int n_read = SSL_read (c->ssl, buf->str + buf->len,
 			buf->alloc - buf->len - 1 /* null byte */);
 
@@ -3179,6 +3180,7 @@ irc_try_write_ssl (struct client *c)
 	c->ssl_tx_want_rx = false;
 	while (buf->len)
 	{
+		ERR_clear_error ();
 		int n_written = SSL_write (c->ssl, buf->str, buf->len);
 
 		const char *error_info = NULL;
diff --git a/zyklonb.c b/zyklonb.c
index e8e0892..88bbc87 100644
--- a/zyklonb.c
+++ b/zyklonb.c
@@ -281,6 +281,7 @@ irc_send (struct bot_context *ctx, const char *format, ...)
 	if (ctx->ssl)
 	{
 		// TODO: call SSL_get_error() to detect if a clean shutdown has occured
+		ERR_clear_error ();
 		if (SSL_write (ctx->ssl, str.str, str.len) != (int) str.len)
 		{
 			print_debug ("%s: %s: %s", __func__, "SSL_write",
@@ -1447,6 +1448,7 @@ irc_fill_read_buffer_ssl (struct bot_context *ctx, struct str *buf)
 {
 	int n_read;
 start:
+	ERR_clear_error ();
 	n_read = SSL_read (ctx->ssl, buf->str + buf->len,
 		buf->alloc - buf->len - 1 /* null byte */);