[PATCH 1/3] daemon: handle freopen() failure
From: René Scharfe <hidden>
Date: 2016-06-15 22:45:49
Subsystem:
the rest · Maintainer:
Linus Torvalds
Die if stderr couldn't be sent to /dev/null when operating in inetd mode and report the error message from the OS. This fixes a compiler warning about the return value of freopen() being ignored on Ubuntu 8.10. Signed-off-by: Rene Scharfe <redacted> --- daemon.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/daemon.c b/daemon.c
index 1cef309..8c317be 100644
--- a/daemon.c
+++ b/daemon.c@@ -1118,7 +1118,9 @@ int main(int argc, char **argv) struct sockaddr *peer = (struct sockaddr *)&ss; socklen_t slen = sizeof(ss); - freopen("/dev/null", "w", stderr); + if (!freopen("/dev/null", "w", stderr)) + die("failed to redirect stderr to /dev/null: %s", + strerror(errno)); if (getpeername(0, peer, &slen)) peer = NULL;
--
1.6.1