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Diffstat (limited to 'util.c')
-rw-r--r--util.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/util.c b/util.c
index 4cc7b8a..d9c3839 100644
--- a/util.c
+++ b/util.c
@@ -171,7 +171,14 @@ int connectnonblocking(int s, const struct sockaddr *addr, socklen_t addrlen, st
socklen_t len;
origflags = fcntl(s, F_GETFL, 0);
- fcntl(s, F_SETFL, origflags | O_NONBLOCK);
+ if (origflags == -1) {
+ debugerrno(errno, DBG_WARN, "Failed to get flags");
+ return -1;
+ }
+ if (fcntl(s, F_SETFL, origflags | O_NONBLOCK) == -1) {
+ debugerrno(errno, DBG_WARN, "Failed to set O_NONBLOCK");
+ return -1;
+ }
if (!connect(s, addr, addrlen)) {
r = 0;
goto exit;
@@ -189,7 +196,8 @@ int connectnonblocking(int s, const struct sockaddr *addr, socklen_t addrlen, st
r = 0;
exit:
- fcntl(s, F_SETFL, origflags);
+ if (fcntl(s, F_SETFL, origflags) == -1)
+ debugerrno(errno, DBG_WARN, "Failed to set original flags back");
return r;
}