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malloc: Add posix_memalign test.

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ChangeLog:

2013-10-02  Will Newton  <will.newton@linaro.org>

	* malloc/Makefile: Add tst-posix_memalign.
	* malloc/tst-posix_memalign.c: New file.
This commit is contained in:
Will Newton 2013-08-12 14:15:22 +01:00
parent e833b53fe6
commit 4868b204aa
3 changed files with 104 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2013-10-02 Will Newton <will.newton@linaro.org>
* malloc/Makefile: Add tst-posix_memalign.
* malloc/tst-posix_memalign.c: New file.
2013-09-30 Petr Machata <pmachata@redhat.com>
* elf/elf.h (R_AARCH64_ABS16): New macro.

2
malloc/Makefile
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@ -26,7 +26,7 @@ dist-headers := malloc.h
headers := $(dist-headers) obstack.h mcheck.h
tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack \
tst-mallocstate tst-mcheck tst-mallocfork tst-trim1 \
tst-malloc-usable tst-realloc
tst-malloc-usable tst-realloc tst-posix_memalign
test-srcs = tst-mtrace
routines = malloc morecore mcheck mtrace obstack

98
malloc/tst-posix_memalign.c Normal file
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@ -0,0 +1,98 @@
/* Copyright (C) 2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
static int errors = 0;
static void
merror (const char *msg)
{
++errors;
printf ("Error: %s\n", msg);
}
static int
do_test (void)
{
void *p;
int ret;
unsigned long pagesize = getpagesize();
unsigned long ptrval;
p = NULL;
ret = posix_memalign (&p, sizeof (void *), -1);
if (ret != ENOMEM)
merror ("posix_memalign (&p, sizeof (void *), -1) succeeded.");
if (ret == ENOMEM && p != NULL)
merror ("returned an error but pointer was modified");
p = NULL;
ret = posix_memalign (&p, pagesize, -pagesize);
if (ret != ENOMEM)
merror ("posix_memalign (&p, pagesize, -pagesize) succeeded.");
p = NULL;
ret = posix_memalign (&p, sizeof (void *), 0);
if (ret != 0 || p == NULL)
merror ("posix_memalign (&p, sizeof (void *), 0) failed.");
free (p);
ret = posix_memalign (&p, 0x300, 10);
if (ret != EINVAL)
merror ("posix_memalign (&p, 0x300, 10) succeeded.");
ret = posix_memalign (&p, 0, 10);
if (ret != EINVAL)
merror ("posix_memalign (&p, 0, 10) succeeded.");
p = NULL;
ret = posix_memalign (&p, 0x100, 10);
if (ret != 0)
merror ("posix_memalign (&p, 0x100, 10) failed.");
if (ret == 0 && p == NULL)
merror ("returned success but pointer is NULL");
ptrval = (unsigned long)p;
if (ret == 0 && (ptrval & 0xff))
merror ("pointer is not aligned to 0x100");
free (p);
return errors != 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"