src/gallium/auxiliary/os/os_memory_stdc.h

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   3  * Copyright 2008-2010 VMware, Inc.
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  27
  28
  29 /*
  30  * OS memory management abstractions for the standard C library.
  31  */
  32
  33
  34 #ifndef _OS_MEMORY_H_
  35 #error "Must not be included directly. Include os_memory.h instead"
  36 #endif
  37
  38 #include <stdlib.h>
  39
  40 #include "pipe/p_compiler.h"
  41
  42
  43 #define os_malloc(_size)  malloc(_size)
  44 #define os_calloc(_count, _size )  calloc(_count, _size )
  45 #define os_free(_ptr)  free(_ptr)
  46
  47 #define os_realloc( _old_ptr, _old_size, _new_size) \
  48    realloc(_old_ptr, _new_size + 0*(_old_size))
  49
  50
  51 #if defined(HAVE_POSIX_MEMALIGN)
  52
  53 static inline void *
  54 os_malloc_aligned(size_t size, size_t alignment)
  55 {
  56    void *ptr;
  57    alignment = (alignment + sizeof(void*) - 1) & ~(sizeof(void*) - 1);
  58    if(posix_memalign(&ptr, alignment, size) != 0)
  59       return NULL;
  60    return ptr;
  61 }
  62
  63 #define os_free_aligned(_ptr) free(_ptr)
  64
  65 #elif defined(PIPE_OS_WINDOWS)
  66
  67 #include <malloc.h>
  68
  69 #define os_malloc_aligned(_size, _align) _aligned_malloc(_size, _align)
  70 #define os_free_aligned(_ptr) _aligned_free(_ptr)
  71
  72 #else
  73
  74 #include "os_memory_aligned.h"
  75
  76 #endif