tests/malloc.h

   1 // Replacement for malloc.h which factors out platform differences.
   2
   3 #include <stdlib.h>
   4 #if defined(VGO_darwin)
   5 #  include <malloc/malloc.h>
   6 #else
   7 #  include <malloc.h>
   8 #endif
   9
  10 #include <assert.h>
  11
  12 // Allocates a 16-aligned block.  Asserts if the allocation fails.
  13 __attribute__((unused))
  14 static void* memalign16(size_t szB)
  15 {
  16    void* x;
  17 #if defined(VGO_darwin)
  18    // Darwin lacks memalign, but its malloc is always 16-aligned anyway.
  19    x = malloc(szB);
  20 #else
  21    x = memalign(16, szB);
  22 #endif
  23    assert(x);
  24    assert(0 == ((16-1) & (unsigned long)x));
  25    return x;
  26 }
  27