[src/trunk]: src/regress/lib/libc/string regression test for swab.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/bdac05c26b1c
branches:  trunk
changeset: 510213:bdac05c26b1c
user:      christos <christos%NetBSD.org@localhost>
date:      Tue May 22 18:57:45 2001 +0000

description:
regression test for swab.

diffstat:

 regress/lib/libc/string/Makefile    |  10 ++++
 regress/lib/libc/string/swabcheck.c |  91 +++++++++++++++++++++++++++++++++++++
 2 files changed, 101 insertions(+), 0 deletions(-)

diffs (109 lines):

diff -r 61c1675b430d -r bdac05c26b1c regress/lib/libc/string/Makefile
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/regress/lib/libc/string/Makefile  Tue May 22 18:57:45 2001 +0000
@@ -0,0 +1,10 @@
+#      $NetBSD: Makefile,v 1.1 2001/05/22 18:57:45 christos Exp $
+
+PROG=  swabcheck
+SRCS=  swabcheck.c
+MKMAN= no
+
+regress: ${PROG}
+       ./${PROG}
+
+.include <bsd.prog.mk>
diff -r 61c1675b430d -r bdac05c26b1c regress/lib/libc/string/swabcheck.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/regress/lib/libc/string/swabcheck.c       Tue May 22 18:57:45 2001 +0000
@@ -0,0 +1,91 @@
+/*     $NetBSD: swabcheck.c,v 1.1 2001/05/22 18:57:45 christos Exp $   */
+
+/*-
+ * Copyright (c) 2001 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code was contributed to The NetBSD Foundation by Christos Zoulas.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *        This product includes software developed by the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <err.h>
+
+#define MAXCHK 100
+
+static void
+build(char *a, char *b, size_t n) {
+       size_t i;
+
+       n >>= 1;
+       for (i = 0; i < n; i += 2) {
+               b[i+1] = a[i] = (char)i;
+               b[i] = a[i+1] = (char)(i+1);
+       }
+       for (n <<= 1; n < MAXCHK; n++)
+               a[n] = b[n] = (char)~0;
+               
+}
+
+static void
+dump(f, b, l)
+       const char *f;
+       char *b;
+       size_t l;
+{
+       printf("%s ", f);
+       while (l--)
+               printf("%.2x ", (unsigned char)*b++);
+       printf("\n");
+}
+
+int
+main(int argc, char *argv[])
+{
+       char a[MAXCHK], b[MAXCHK], r[MAXCHK];
+       size_t i;
+
+       for (i = 0; i < MAXCHK; i += 2) {
+               build(a, b, i);
+               (void)memset(r, ~0, MAXCHK);
+               swab(a, r, i);
+               if (memcmp(b, r, MAXCHK) != 0) {
+                       warnx("pattern mismatch at %lu bytes\n",
+                           (unsigned long)i);
+                       dump("expect:", b, MAXCHK);
+                       dump("result:", r, MAXCHK);
+                       return 1;
+               }
+       }
+       return 0;
+}