Class allocator_malloc
Synopsis
#include <include/EASTL/allocator_malloc.h>
class allocator_malloc
Description
Implements an EASTL allocator that uses malloc/free as opposed to new/delete or PPMalloc Malloc/Free.
Example usage: vector<int, allocator_malloc> intVector;
Methods
| allocator_malloc overload | ||
| allocate overload | ||
| deallocate | ||
| get_name | ||
| operator!= | ||
| operator= | ||
| operator== | ||
| set_name |
Source
Lines 70-114 in include/EASTL/allocator_malloc.h.
class allocator_malloc
{
public:
allocator_malloc(const char* = NULL)
{ }
allocator_malloc(const allocator_malloc&)
{ }
allocator_malloc(const allocator_malloc&, const char*)
{ }
allocator_malloc& operator=(const allocator_malloc&)
{ return *this; }
bool operator==(const allocator_malloc&)
{ return true; }
bool operator!=(const allocator_malloc&)
{ return false; }
void* allocate(size_t n, int /*flags*/ = 0)
{ return malloc(n); }
void* allocate(size_t n, size_t alignment, size_t alignmentOffset, int /*flags*/ = 0)
{
#if EASTL_ALIGNED_MALLOC_AVAILABLE
if((alignmentOffset % alignment) == 0) // We check for (offset % alignmnent == 0) instead of (offset == 0) because any block which is aligned on e.g. 64 also is aligned at an offset of 64 by definition.
return memalign(alignment, n); // memalign is more consistently available than posix_memalign.
#else
if((alignment <= EASTL_SYSTEM_ALLOCATOR_MIN_ALIGNMENT) && ((alignmentOffset % alignment) == 0))
return malloc(n);
#endif
return NULL;
}
void deallocate(void* p, size_t /*n*/)
{ free(p); }
const char* get_name() const
{ return "allocator_malloc"; }
void set_name(const char*)
{ }
};