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#ifndef __XMALLOC_H__
#define __XMALLOC_H__
#ifdef HAVE_LIBC
#include <stdlib.h>
#include <malloc.h>
/* Allocate space for typed object. */
#define _xmalloc(size, align) memalign(align, size)
#define xfree(ptr) free(ptr)
#else
#include <limits.h>
#define DEFAULT_ALIGN (sizeof(unsigned long))
extern void *malloc(size_t size);
extern void *realloc(void *ptr, size_t size);
extern void free(void *ptr);
/* Free memory from any xmalloc*() call. */
extern void xfree(const void *);
/* Underlying functions */
extern void *_xmalloc(size_t size, size_t align);
#endif
static inline void *_xmalloc_array(size_t size, size_t align, size_t num)
{
/* Check for overflow. */
if (size && num > UINT_MAX / size)
return NULL;
return _xmalloc(size * num, align);
}
/* Allocate space for typed object. */
#define xmalloc(_type) ((_type *)_xmalloc(sizeof(_type), __alignof__(_type)))
/* Allocate space for array of typed objects. */
#define xmalloc_array(_type, _num) ((_type *)_xmalloc_array(sizeof(_type), __alignof__(_type), _num))
#endif /* __XMALLOC_H__ */
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