--- /dev/null
+Testing swab16
+swab16(0x0001) = 0x0100
+swab16(0x1234) = 0x3412
+swab16(0xff00) = 0x00ff
+swab16(0x4000) = 0x0040
+swab16(0xfeff) = 0xfffe
+Testing swab32
+swab32(0x00000001) = 0x01000000
+swab32(0x80000000) = 0x00000080
+swab32(0x12345678) = 0x78563412
+swab32(0xffff0000) = 0x0000ffff
+swab32(0x00ff0000) = 0x0000ff00
+swab32(0xff000000) = 0x000000ff
+Testing swab64
+swab64(0x0000000000000001) = 0x0100000000000000
+swab64(0x8000000000000000) = 0x0000000000000080
+swab64(0x1234567812345678) = 0x7856341278563412
+swab64(0xffffffff00000000) = 0x00000000ffffffff
+swab64(0x00ff000000000000) = 0x000000000000ff00
+swab64(0xff00000000000000) = 0x00000000000000ff
+No errors found in the byteswap implementation
--- /dev/null
+/*
+ * This testing program makes sure the byteswap functions work
+ *
+ * Copyright (C) 2000 by Theodore Ts'o.
+ * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
+ *
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ */
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <time.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <inttypes.h>
+
+#include "bitops.h"
+
+uint16_t ary16[] = {
+ 0x0001, 0x0100,
+ 0x1234, 0x3412,
+ 0xff00, 0x00ff,
+ 0x4000, 0x0040,
+ 0xfeff, 0xfffe,
+ 0x0000, 0x0000
+ };
+
+uint32_t ary32[] = {
+ 0x00000001, 0x01000000,
+ 0x80000000, 0x00000080,
+ 0x12345678, 0x78563412,
+ 0xffff0000, 0x0000ffff,
+ 0x00ff0000, 0x0000ff00,
+ 0xff000000, 0x000000ff,
+ 0x00000000, 0x00000000
+ };
+
+uint64_t ary64[] = {
+ 0x0000000000000001, 0x0100000000000000,
+ 0x8000000000000000, 0x0000000000000080,
+ 0x1234567812345678, 0x7856341278563412,
+ 0xffffffff00000000, 0x00000000ffffffff,
+ 0x00ff000000000000, 0x000000000000ff00,
+ 0xff00000000000000, 0x00000000000000ff,
+ 0x0000000000000000, 0x0000000000000000
+ };
+
+int main(int argc, char **argv)
+{
+ int i;
+ int errors = 0;
+
+ printf("Testing swab16\n");
+ i=0;
+ do {
+ printf("swab16(0x%04"PRIx16") = 0x%04"PRIx16"\n",
+ ary16[i], swab16(ary16[i]));
+ if (swab16(ary16[i]) != ary16[i+1]) {
+ printf("Error!!! %04"PRIx16" != %04"PRIx16"\n",
+ swab16(ary16[i]), ary16[i+1]);
+ errors++;
+ }
+ if (swab16(ary16[i+1]) != ary16[i]) {
+ printf("Error!!! %04"PRIx16" != %04"PRIx16"\n",
+ swab16(ary16[i+1]), ary16[i]);
+ errors++;
+ }
+ i += 2;
+ } while (ary16[i] != 0);
+
+ printf("Testing swab32\n");
+ i = 0;
+ do {
+ printf("swab32(0x%08"PRIx32") = 0x%08"PRIx32"\n",
+ ary32[i], swab32(ary32[i]));
+ if (swab32(ary32[i]) != ary32[i+1]) {
+ printf("Error!!! %04"PRIx32" != %04"PRIx32"\n",
+ swab32(ary32[i]), ary32[i+1]);
+ errors++;
+ }
+ if (swab32(ary32[i+1]) != ary32[i]) {
+ printf("Error!!! %04"PRIx32" != %04"PRIx32"\n",
+ swab32(ary32[i+1]), ary32[i]);
+ errors++;
+ }
+ i += 2;
+ } while (ary32[i] != 0);
+
+ printf("Testing swab64\n");
+ i = 0;
+ do {
+ printf("swab64(0x%016"PRIx64") = 0x%016"PRIx64"\n",
+ ary64[i], swab64(ary64[i]));
+ if (swab64(ary64[i]) != ary64[i+1]) {
+ printf("Error!!! %016"PRIx64" != %016"PRIx64"\n",
+ swab64(ary64[i]), ary64[i+1]);
+ errors++;
+ }
+ if (swab64(ary64[i+1]) != ary64[i]) {
+ printf("Error!!! %016"PRIx64" != %016"PRIx64"\n",
+ swab64(ary64[i+1]), ary64[i]);
+ errors++;
+ }
+ i += 2;
+ } while (ary64[i] != 0);
+
+ if (!errors)
+ printf("No errors found in the byteswap implementation\n");
+
+ return errors;
+}
--- /dev/null
+#!/bin/bash
+
+#
+# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
+#
+# This file is part of util-linux-ng.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+. ./commands.sh
+. ./functions.sh
+
+TS_COMPONENT="bitops"
+TS_DESC="swapbytes"
+
+ts_init "$*"
+
+$TS_HELPER_BYTESWAP >> $TS_OUTPUT
+
+ts_finalize
+