1 files changed, 74 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/bswap.c b/third_party/heimdal/lib/roken/bswap.c
new file mode 100644
index 0000000..b0c4248
--- /dev/null
+++ b/third_party/heimdal/lib/roken/bswap.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2001 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"
+
+#ifndef HAVE_BSWAP64
+
+ROKEN_LIB_FUNCTION uint64_t ROKEN_LIB_CALL
+bswap64 (uint64_t val)
+{
+    return
+        (val & 0xffULL) << 56 |
+	(val & 0xff00ULL) << 40 |
+	(val & 0xff0000ULL) << 24 |
+	(val & 0xff000000ULL) << 8 |
+	(val & 0xff00000000ULL) >> 8 |
+	(val & 0xff0000000000ULL) >> 24 |
+	(val & 0xff000000000000ULL) >> 40 |
+	(val & 0xff00000000000000ULL) >> 56 ;
+}
+#endif
+
+#ifndef HAVE_BSWAP32
+
+ROKEN_LIB_FUNCTION unsigned int ROKEN_LIB_CALL
+bswap32 (unsigned int val)
+{
+    return (val & 0xff) << 24 |
+	(val & 0xff00) << 8 |
+	(val & 0xff0000) >> 8 |
+	(val & 0xff000000) >> 24;
+}
+#endif
+
+#ifndef HAVE_BSWAP16
+
+ROKEN_LIB_FUNCTION unsigned short ROKEN_LIB_CALL
+bswap16 (unsigned short val)
+{
+    return (val & 0xff) << 8 |
+	(val & 0xff00) >> 8;
+}
+#endif