$NetBSD: patch-ad,v 1.4 2022/11/27 13:14:00 triaxx Exp $

Calling usleep for 1000000 microseconds or more is not allowed, so add a
myusleep() wrapper to DTRT.

--- src/common.c.orig	2021-07-01 16:59:57.000000000 +0000
+++ src/common.c
@@ -632,3 +632,21 @@ unsigned long getip46(int family, unsign
 	return 0;
 #endif
 }
+
+/*
+ * POSIX says:
+ *     The usleep() function may fail if:
+ *     [EINVAL] The time interval specified one million or more microseconds.
+ *
+ * Other code in 3proxy calls usleep with much larger arguments, but
+ * that gets redirected here via "#define usleep(usecs) myusleep(usecs)"
+ * in proxy.h.  We call sleep() for any whole number of seconds, and
+ * the real usleep() for any left over microseconds.
+ */
+int myusleep(useconds_t useconds)
+{
+	unsigned int secs = useconds / 1000000;
+	useconds = useconds % 1000000;
+	if (secs > 0) sleep(secs);
+	return (usleep)(useconds);
+}