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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <internal/oslmemory.h>
#include <stdlib.h>
#ifdef __ANDROID__
#include <malloc.h>
#endif
void* osl_aligned_alloc( sal_Size align, sal_Size size )
{
if (size == 0)
{
return NULL;
}
else
{
#if defined __ANDROID__
return memalign(align, size);
#elif defined MAC_OS_X_VERSION_MAX_ALLOWED && MAC_OS_X_VERSION_MAX_ALLOWED < 1060
void* ptr = malloc(size + (align - 1) + sizeof(void*));
if (!ptr) return NULL;
char* aptr = ((char*)ptr) + sizeof(void*);
aptr += (align - ((size_t)aptr & (align - 1))) & (align - 1);
((void**)aptr)[-1] = ptr;
return aptr;
#else
void* ptr;
int err = posix_memalign(&ptr, align, size);
return err ? NULL : ptr;
#endif
}
}
void osl_aligned_free( void* p )
{
#if defined MAC_OS_X_VERSION_MAX_ALLOWED && MAC_OS_X_VERSION_MAX_ALLOWED < 1060
free(((void**)p)[-1]);
#else
free(p);
#endif
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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