Virgin import of ntpd 4.2.6p5.

When the series of commits is complete, things like
https://cert.litnet.lt/en/docs/ntp-distributed-reflection-dos-attacks
should be fixed.

PR:		bin/148836 (except that we import a newer version)
Asked by:	Too many
MFC after:	2 weeks

1 files changed, 48 insertions, 0 deletions

diff --git a/libntp/bsd_strerror.c b/libntp/bsd_strerror.c
new file mode 100644
index 0000000..9d8ae8e
--- /dev/null
+++ b/libntp/bsd_strerror.c
@@ -0,0 +1,48 @@
+#include <config.h>
+
+#if !HAVE_STRERROR
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char sccsid[] = "@(#)strerror.c	5.1 (Berkeley) 4/9/89";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include "l_stdlib.h"
+
+char *
+strerror(
+	int errnum
+	)
+{
+	extern int sys_nerr;
+	extern char *sys_errlist[];
+	static char ebuf[20];
+
+	if ((unsigned int)errnum < sys_nerr)
+		return(sys_errlist[errnum]);
+	(void)sprintf(ebuf, "Unknown error: %d", errnum);
+	return(ebuf);
+}
+#else
+int strerror_bs;
+#endif