Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  */
       9             : 
      10             : #include <internal/oslmemory.h>
      11             : 
      12             : #include <stdlib.h>
      13             : #ifdef __ANDROID__
      14             : #include <malloc.h>
      15             : #endif
      16             : 
      17           0 : void* osl_aligned_alloc( sal_Size align, sal_Size size )
      18             : {
      19           0 :     if (size == 0)
      20             :     {
      21           0 :         return NULL;
      22             :     }
      23             :     else
      24             :     {
      25             : #if defined __ANDROID__
      26             :         return memalign(align, size);
      27             : #elif defined MAC_OS_X_VERSION_MAX_ALLOWED && MAC_OS_X_VERSION_MAX_ALLOWED < 1060
      28             :         void* ptr = malloc(size + (align - 1) + sizeof(void*));
      29             :         if (!ptr) return NULL;
      30             :         char* aptr = ((char*)ptr) + sizeof(void*);
      31             :         aptr += (align - ((size_t)aptr & (align - 1))) & (align - 1);
      32             :         ((void**)aptr)[-1] = ptr;
      33             :         return aptr;
      34             : #else
      35             :         void* ptr;
      36           0 :         int err = posix_memalign(&ptr, align, size);
      37           0 :         return err ? NULL : ptr;
      38             : #endif
      39             :     }
      40             : }
      41             : 
      42           0 : void osl_aligned_free( void* p )
      43             : {
      44             : #if defined MAC_OS_X_VERSION_MAX_ALLOWED && MAC_OS_X_VERSION_MAX_ALLOWED < 1060
      45             :     free(((void**)p)[-1]);
      46             : #else
      47           0 :     free(p);
      48             : #endif
      49           0 : }
      50             : 
      51             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */