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-rw-r--r--contrib/netbsd-tests/lib/libc/string/t_swab.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/string/t_swab.c b/contrib/netbsd-tests/lib/libc/string/t_swab.c
new file mode 100644
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--- /dev/null
+++ b/contrib/netbsd-tests/lib/libc/string/t_swab.c
@@ -0,0 +1,95 @@
+/* $NetBSD: t_swab.c,v 1.2 2011/07/07 08:27:36 jruoho 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.
+ *
+ * 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 <atf-c.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.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(const char *f, char *b, size_t l)
+{
+
+ printf("%s ", f);
+ while (l--)
+ printf("%.2x ", (unsigned char)*b++);
+ printf("\n");
+}
+
+ATF_TC(swab_basic);
+ATF_TC_HEAD(swab_basic, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "Test swab results");
+}
+
+ATF_TC_BODY(swab_basic, tc)
+{
+ 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) {
+ fprintf(stderr, "pattern mismatch at %lu bytes",
+ (unsigned long)i);
+ dump("expect:", b, MAXCHK);
+ dump("result:", r, MAXCHK);
+ atf_tc_fail("Check stderr for details");
+ }
+ }
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, swab_basic);
+
+ return atf_no_error();
+}
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