wtf/brew/SystemMallocBrew.h

   1 /*
   2  * Copyright (C) 2010 Company 100, Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1.  Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  * 2.  Redistributions in binary form must reproduce the above copyright
  11  *     notice, this list of conditions and the following disclaimer in the
  12  *     documentation and/or other materials provided with the distribution.
  13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  14  *     its contributors may be used to endorse or promote products derived
  15  *     from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #ifndef SystemMallocBrew_h
  30 #define SystemMallocBrew_h
  31
  32 #include <AEEStdLib.h>
  33
  34 static inline void* mallocBrew(size_t n)
  35 {
  36     // By default, memory allocated using MALLOC() is initialized
  37     // to zero. This behavior can be disabled by performing a bitwise
  38     // OR of the flag ALLOC_NO_ZMEM with the dwSize parameter.
  39     return MALLOC(n | ALLOC_NO_ZMEM);
  40 }
  41
  42 static inline void* callocBrew(size_t numElements, size_t elementSize)
  43 {
  44     return MALLOC(numElements * elementSize);
  45 }
  46
  47 static inline void freeBrew(void* p)
  48 {
  49     return FREE(p);
  50 }
  51
  52 static inline void* reallocBrew(void* p, size_t n)
  53 {
  54     return REALLOC(p, n | ALLOC_NO_ZMEM);
  55 }
  56
  57 // Use MALLOC macro instead of the standard malloc function.
  58 // Although RVCT provides malloc, we can't use it in BREW
  59 // because the loader does not initialize the base address properly.
  60 #define malloc(n) mallocBrew(n)
  61 #define calloc(n, s) callocBrew(n, s)
  62 #define realloc(p, n) reallocBrew(p, n)
  63 #define free(p) freeBrew(p)
  64
  65 #endif // SystemMallocBrew_h