Merge ntpd & friends 4.2.4p5 from vendor/ntp/dist into head. Next commit

will update usr.sbin/ntp to match this.

MFC after:	2 weeks

1 files changed, 19 insertions, 0 deletions

diff --git a/contrib/ntp/libopts/compat/strdup.c b/contrib/ntp/libopts/compat/strdup.c
new file mode 100644
index 0000000..e2933a8
--- /dev/null
+++ b/contrib/ntp/libopts/compat/strdup.c
@@ -0,0 +1,19 @@
+/*
+ * Platforms without strdup ?!?!?!
+ */
+
+static char *
+strdup( char const *s )
+{
+    char *cp;
+
+    if (s == NULL)
+        return NULL;
+
+    cp = (char *) AGALOC((unsigned) (strlen(s)+1), "strdup");
+
+    if (cp != NULL)
+        (void) strcpy(cp, s);
+
+    return cp;
+}