glibc/malloc/tst-pvalloc.c
Will Newton 3cef60098c malloc: Add pvalloc test.
ChangeLog:

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

	* malloc/Makefile: Add tst-pvalloc.
	* malloc/tst-pvalloc.c: New file.
2013-10-02 10:45:40 +01:00

92 lines
1.9 KiB
C

/* 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 <malloc.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;
unsigned long pagesize = getpagesize();
unsigned long ptrval;
int save;
errno = 0;
p = pvalloc (-1);
save = errno;
if (p != NULL)
merror ("pvalloc (-1) succeeded.");
if (p == NULL && save != ENOMEM)
merror ("pvalloc (-1) errno is not set correctly");
errno = 0;
p = pvalloc (-pagesize);
save = errno;
if (p != NULL)
merror ("pvalloc (-pagesize) succeeded.");
if (p == NULL && save != ENOMEM)
merror ("pvalloc (-pagesize) errno is not set correctly");
p = pvalloc (0);
if (p == NULL)
merror ("pvalloc (0) failed.");
free (p);
p = pvalloc (32);
if (p == NULL)
merror ("pvalloc (32) failed.");
ptrval = (unsigned long)p;
if (p == NULL)
merror ("pvalloc (32) failed.");
if ((ptrval & (pagesize - 1)) != 0)
merror ("returned pointer is not page aligned.");
free (p);
return errors != 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"