From cf279e7885c24d1dc7758dd0a60f283fab73bbbb Mon Sep 17 00:00:00 2001
From: Marko Mikulicic <mkm@cesanta.com>
Date: Wed, 21 Oct 2015 21:40:58 +0100
Subject: [PATCH] Address ignored return values of read and write
PUBLISHED_FROM=d76b6b9d91d7af0e916cd81e1213c463757bf924
---
mongoose.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/mongoose.c b/mongoose.c
index 97cc73312..5773bde1e 100644
--- a/mongoose.c
+++ b/mongoose.c
@@ -2707,7 +2707,9 @@ static void mg_mgr_handle_ctl_sock(struct mg_mgr *mgr) {
struct ctl_msg ctl_msg;
int len =
(int) MG_RECV_FUNC(mgr->ctl[1], (char *) &ctl_msg, sizeof(ctl_msg), 0);
- MG_SEND_FUNC(mgr->ctl[1], ctl_msg.message, 1, 0);
+ size_t dummy = MG_SEND_FUNC(mgr->ctl[1], ctl_msg.message, 1, 0);
+ (void) dummy; /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25509 */
+
if (len >= (int) sizeof(ctl_msg.callback) && ctl_msg.callback != NULL) {
struct mg_connection *nc;
for (nc = mg_next(mgr, NULL); nc != NULL; nc = mg_next(mgr, nc)) {
@@ -3185,11 +3187,14 @@ void mg_broadcast(struct mg_mgr *mgr, mg_event_handler_t cb, void *data,
*/
if (mgr->ctl[0] != INVALID_SOCKET && data != NULL &&
len < sizeof(ctl_msg.message)) {
+ size_t dummy;
+
ctl_msg.callback = cb;
memcpy(ctl_msg.message, data, len);
- MG_SEND_FUNC(mgr->ctl[0], (char *) &ctl_msg,
- offsetof(struct ctl_msg, message) + len, 0);
- MG_RECV_FUNC(mgr->ctl[0], (char *) &len, 1, 0);
+ dummy = MG_SEND_FUNC(mgr->ctl[0], (char *) &ctl_msg,
+ offsetof(struct ctl_msg, message) + len, 0);
+ dummy = MG_RECV_FUNC(mgr->ctl[0], (char *) &len, 1, 0);
+ (void) dummy;
}
}
--
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