126 lines
2.8 KiB
C
126 lines
2.8 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
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* The President and Fellows of Harvard College.
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY 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 UNIVERSITY 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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/*
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* sbrk
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*/
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#include <sys/types.h>
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#include <sys/stat.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 <unistd.h>
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#include <errno.h>
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#include <err.h>
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#include "config.h"
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#include "test.h"
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/*
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* typing wrapper around sbrk
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*/
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static
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int
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try_sbrk(long val)
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{
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void *rv;
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rv = sbrk(val);
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if (rv==(void *)-1) {
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return -1;
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}
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return 0;
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}
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static
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void
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enforce_sbrk(long val, const char *desc, int err)
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{
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int result;
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report_begin("sbrk %s", desc);
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result = try_sbrk(val);
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report_check(result, errno, err);
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}
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static
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void
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sbrk_bigpos(void)
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{
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enforce_sbrk(4096*1024*256, "huge positive", ENOMEM);
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}
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static
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void
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sbrk_bigneg(void)
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{
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enforce_sbrk(-4096*1024*256, "huge negative", EINVAL);
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}
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static
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void
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sbrk_neg(void)
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{
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enforce_sbrk(-8192, "too-large negative", EINVAL);
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}
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static
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void
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sbrk_unalignedpos(void)
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{
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int result;
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report_begin("sbrk unaligned positive");
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result = try_sbrk(17);
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report_check2(result, errno, 0, EINVAL);
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}
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static
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void
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sbrk_unalignedneg(void)
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{
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int result;
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report_begin("sbrk unaligned negative");
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result = try_sbrk(-17);
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report_check2(result, errno, 0, EINVAL);
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}
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void
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test_sbrk(void)
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{
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sbrk_neg();
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sbrk_bigpos();
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sbrk_bigneg();
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sbrk_unalignedpos();
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sbrk_unalignedneg();
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}
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