diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/stdlib/t_posix_memalign.c')
| -rw-r--r-- | contrib/netbsd-tests/lib/libc/stdlib/t_posix_memalign.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/stdlib/t_posix_memalign.c b/contrib/netbsd-tests/lib/libc/stdlib/t_posix_memalign.c new file mode 100644 index 000000000000..8db788075fc1 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/stdlib/t_posix_memalign.c @@ -0,0 +1,151 @@ +/* $NetBSD: t_posix_memalign.c,v 1.4 2015/11/07 17:35:31 nros Exp $ */ + +/*- + * Copyright (c) 2008 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software 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 <sys/cdefs.h> +__COPYRIGHT("@(#) Copyright (c) 2008\ + The NetBSD Foundation, inc. All rights reserved."); +__RCSID("$NetBSD: t_posix_memalign.c,v 1.4 2015/11/07 17:35:31 nros Exp $"); + +#include <atf-c.h> + +#include <errno.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +ATF_TC(posix_memalign_basic); +ATF_TC_HEAD(posix_memalign_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "Checks posix_memalign(3)"); +} +ATF_TC_BODY(posix_memalign_basic, tc) +{ + static const size_t size[] = { + 1, 2, 3, 4, 10, 100, 16384, 32768, 65536 + }; + static const size_t align[] = { + 512, 1024, 16, 32, 64, 4, 2048, 16, 2 + }; + + size_t i; + void *p; + + for (i = 0; i < __arraycount(size); i++) { + int ret; + p = (void*)0x1; + + (void)printf("Checking posix_memalign(&p, %zu, %zu)...\n", + align[i], size[i]); + ret = posix_memalign(&p, align[i], size[i]); + + if ( align[i] < sizeof(void *)) + ATF_REQUIRE_EQ_MSG(ret, EINVAL, + "posix_memalign: %s", strerror(ret)); + else { + ATF_REQUIRE_EQ_MSG(ret, 0, + "posix_memalign: %s", strerror(ret)); + ATF_REQUIRE_EQ_MSG(((intptr_t)p) & (align[i] - 1), 0, + "p = %p", p); + free(p); + } + } +} + + +ATF_TC(aligned_alloc_basic); +ATF_TC_HEAD(aligned_alloc_basic, tc) +{ + atf_tc_set_md_var(tc, "descr", "Checks aligned_alloc(3)"); +} +ATF_TC_BODY(aligned_alloc_basic, tc) +{ + static const size_t size[] = { + 1, 2, 3, 4, 10, 100, 16384, 32768, 65536, 10000, 0 + }; + static const size_t align[] = { + 512, 1024, 16, 32, 64, 4, 2048, 16, 2, 2048, 0 + }; + + size_t i; + void *p; + + for (i = 0; i < __arraycount(size); i++) { + (void)printf("Checking aligned_alloc(%zu, %zu)...\n", + align[i], size[i]); + p = aligned_alloc(align[i], size[i]); + if (p == NULL) { + if (align[i] == 0 || ((align[i] - 1) & align[i]) != 0 || + size[i] % align[i] != 0) { + ATF_REQUIRE_EQ_MSG(errno, EINVAL, + "aligned_alloc: %s", strerror(errno)); + } + else { + ATF_REQUIRE_EQ_MSG(errno, ENOMEM, + "aligned_alloc: %s", strerror(errno)); + } + } + else { + ATF_REQUIRE_EQ_MSG(align[i] == 0, false, + "aligned_alloc: success when alignment was not " + "a power of 2"); + ATF_REQUIRE_EQ_MSG((align[i] - 1) & align[i], 0, + "aligned_alloc: success when alignment was not " + "a power of 2"); +#ifdef __NetBSD__ + /* + * NetBSD-specific invariant + * + * From aligned_alloc(3) on FreeBSD: + * + * Behavior is undefined if size is not an integral + * multiple of alignment. + */ + ATF_REQUIRE_EQ_MSG(size[i] % align[i], 0, + "aligned_alloc: success when size was not an " + "integer multiple of alignment"); +#endif + ATF_REQUIRE_EQ_MSG(((intptr_t)p) & (align[i] - 1), 0, + "p = %p", p); + free(p); + } + } +} + + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, posix_memalign_basic); + ATF_TP_ADD_TC(tp, aligned_alloc_basic); + + return atf_no_error(); +} |