diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/string/t_swab.c')
-rw-r--r-- | contrib/netbsd-tests/lib/libc/string/t_swab.c | 95 |
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 index 0000000..797397a --- /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(); +} |