1 files changed, 74 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/rand.c b/third_party/heimdal/lib/roken/rand.c
new file mode 100644
index 0000000..59ff47a
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+++ b/third_party/heimdal/lib/roken/rand.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include <config.h>
+
+#include "roken.h"
+
+#ifdef HAVE_WIN32_RAND_S
+static int hasRand_s = 1;
+#include "versionsupport.h"
+#endif
+
+void ROKEN_LIB_FUNCTION
+rk_random_init(void)
+{
+#if defined(HAVE_ARC4RANDOM)
+    /* nothing to do */;
+#elif defined(HAVE_SRANDOMDEV)
+    srandomdev();
+#elif defined(HAVE_RANDOM)
+    srandom(time(NULL));
+#else
+# ifdef HAVE_WIN32_RAND_S
+	hasRand_s = IsWindowsXPOrGreater();
+# endif
+    srand (time(NULL));
+#endif
+}
+
+#ifdef HAVE_WIN32_RAND_S
+unsigned int ROKEN_LIB_FUNCTION
+rk_random(void)
+{
+    if (hasRand_s) {
+	unsigned int n;
+	int code;
+
+	code = rand_s(&n);
+	if (code == 0)
+	    return n;
+    }
+
+    return rand();
+}
+#endif