allow nc to build on linux and os x

2015-09-13 11:56:41 -05:00
parent 627b0261a8
commit 8c90be2a29
16 changed files with 604 additions and 21 deletions
--- a/apps/nc/compat/accept4.c
+++ b/apps/nc/compat/accept4.c
@@ -0,0 +1,17 @@
+#include <sys/socket.h>
+#include <fcntl.h>
+
+int
+accept4(int s, struct sockaddr *addr, socklen_t *addrlen, int flags)
+{
+	int rets = accept(s, addr, addrlen);
+	if (rets == -1)
+		return s;
+
+	if (flags & SOCK_CLOEXEC) {
+		flags = fcntl(s, F_GETFD);
+		fcntl(rets, F_SETFD, flags | FD_CLOEXEC);
+	}
+
+	return rets;
+}