/* zutil_p.h -- Private inline functions used internally in zlib-ng

 *

 */

#ifndef ZUTIL_P_H

#define ZUTIL_P_H

#if defined(HAVE_POSIX_MEMALIGN) && !defined(_POSIX_C_SOURCE)

#  define _POSIX_C_SOURCE 200112L  /* For posix_memalign(). */

#endif

#if defined(__APPLE__) || defined(HAVE_POSIX_MEMALIGN) || defined(HAVE_ALIGNED_ALLOC)

#  include <stdlib.h>

#elif defined(__FreeBSD__)

#  include <stdlib.h>

#  include <malloc_np.h>

#else

#  include <malloc.h>

#endif

/* Function to allocate 16 or 64-byte aligned memory */

static inline void *zng_alloc(size_t size) {

#ifdef HAVE_POSIX_MEMALIGN

    void *ptr;

    return posix_memalign(&ptr, 64, size) ? NULL : ptr;

#elif defined(_WIN32)

    return (void *)_aligned_malloc(size, 64);

#elif defined(__APPLE__)

    return (void *)malloc(size);     /* MacOS always aligns to 16 bytes */

#elif defined(HAVE_ALIGNED_ALLOC)

    return (void *)aligned_alloc(64, size);

#else

    return (void *)memalign(64, size);

#endif

}

/* Function that can free aligned memory */

static inline void zng_free(void *ptr) {

#if defined(_WIN32)

    _aligned_free(ptr);

#else

    free(ptr);

#endif

}

#endif