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4025b5b527
These sys/cdefs.h are not needed. Purge them. They are mostly left-over from the $FreeBSD$ removal. A few in libc are still required for macros that cdefs.h defines. Keep those. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D42385 (cherry picked from commit 559a218c9b257775fb249b67945fe4a05b7a6b9f)
121 lines
3.8 KiB
C
121 lines
3.8 KiB
C
/*-
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* Copyright (c) 2016 Jilles Tjoelker <jilles@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <atf-c.h>
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ATF_TC_WITHOUT_HEAD(zero);
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ATF_TC_BODY(zero, tc)
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{
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assert(memcmp("a", "b", 0) == 0);
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assert(memcmp("", "", 0) == 0);
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}
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ATF_TC_WITHOUT_HEAD(eq);
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ATF_TC_BODY(eq, tc)
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{
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unsigned char data1[256], data2[256];
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int i;
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for (i = 0; i < 256; i++)
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data1[i] = data2[i] = i ^ 0x55;
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for (i = 1; i < 256; i++)
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assert(memcmp(data1, data2, i) == 0);
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for (i = 1; i < 256; i++)
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assert(memcmp(data1 + i, data2 + i, 256 - i) == 0);
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}
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ATF_TC_WITHOUT_HEAD(neq);
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ATF_TC_BODY(neq, tc)
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{
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unsigned char data1[256], data2[256];
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int i;
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for (i = 0; i < 256; i++) {
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data1[i] = i;
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data2[i] = i ^ 0x55;
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}
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for (i = 1; i < 256; i++)
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assert(memcmp(data1, data2, i) != 0);
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for (i = 1; i < 256; i++)
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assert(memcmp(data1 + i, data2 + i, 256 - i) != 0);
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}
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ATF_TC_WITHOUT_HEAD(diff);
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ATF_TC_BODY(diff, tc)
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{
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unsigned char data1[256], data2[256];
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int i;
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memset(data1, 'a', sizeof(data1));
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memset(data2, 'a', sizeof(data2));
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data1[128] = 255;
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data2[128] = 0;
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for (i = 1; i < 66; i++) {
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assert(memcmp(data1 + 128, data2 + 128, i) == 255);
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assert(memcmp(data2 + 128, data1 + 128, i) == -255);
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assert(memcmp(data1 + 129 - i, data2 + 129 - i, i) == 255);
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assert(memcmp(data2 + 129 - i, data1 + 129 - i, i) == -255);
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assert(memcmp(data1 + 129 - i, data2 + 129 - i, i * 2) == 255);
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assert(memcmp(data2 + 129 - i, data1 + 129 - i, i * 2) == -255);
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}
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data1[128] = 'c';
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data2[128] = 'e';
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for (i = 1; i < 66; i++) {
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assert(memcmp(data1 + 128, data2 + 128, i) == -2);
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assert(memcmp(data2 + 128, data1 + 128, i) == 2);
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assert(memcmp(data1 + 129 - i, data2 + 129 - i, i) == -2);
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assert(memcmp(data2 + 129 - i, data1 + 129 - i, i) == 2);
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assert(memcmp(data1 + 129 - i, data2 + 129 - i, i * 2) == -2);
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assert(memcmp(data2 + 129 - i, data1 + 129 - i, i * 2) == 2);
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}
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memset(data1 + 129, 'A', sizeof(data1) - 129);
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memset(data2 + 129, 'Z', sizeof(data2) - 129);
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for (i = 1; i < 66; i++) {
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assert(memcmp(data1 + 128, data2 + 128, i) == -2);
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assert(memcmp(data2 + 128, data1 + 128, i) == 2);
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assert(memcmp(data1 + 129 - i, data2 + 129 - i, i) == -2);
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assert(memcmp(data2 + 129 - i, data1 + 129 - i, i) == 2);
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assert(memcmp(data1 + 129 - i, data2 + 129 - i, i * 2) == -2);
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assert(memcmp(data2 + 129 - i, data1 + 129 - i, i * 2) == 2);
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}
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, zero);
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ATF_TP_ADD_TC(tp, eq);
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ATF_TP_ADD_TC(tp, neq);
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ATF_TP_ADD_TC(tp, diff);
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return (atf_no_error());
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}
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