ndn_memory.h

/*
 * Based on NDN_CPP_HAVE_MEMCMP, NDN_CPP_HAVE_MEMCPY and NDN_CPP_HAVE_MEMSET in
 * ndn-cpp-config.h, use the library version or a local implementation of
 * memcmp, memcpy and memset.
 */

#ifndef NDN_MEMORY_H
#define NDN_MEMORY_H

#include <ndn-cpp/c/common.h>

#ifdef __cplusplus
extern "C" {
#endif

#if NDN_CPP_HAVE_MEMCMP

#if NDN_CPP_HAVE_MEMORY_H
#include <memory.h>
#else
#include <string.h>
#endif

static __inline int ndn_memcmp(const uint8_t *buf1, const uint8_t *buf2, size_t len)
{
  if (len == 0)
    // Allow buf1 or buf2 to be null.
    return 0;
  else
    return memcmp(buf1, buf2, len);
}
#else

int ndn_memcmp(const uint8_t *buf1, const uint8_t *buf2, size_t len);
#endif

#if NDN_CPP_HAVE_MEMCPY

#if NDN_CPP_HAVE_MEMORY_H
#include <memory.h>
#else
#include <string.h>
#endif

static __inline void ndn_memcpy(uint8_t *dest, const uint8_t *src, size_t len)
{
  // If len == 0, allow dest or src to be null.
  if (len > 0)
    memcpy(dest, src, len);
}
#else

void ndn_memcpy(uint8_t *dest, const uint8_t *src, size_t len);
#endif

#if NDN_CPP_HAVE_MEMSET

#if NDN_CPP_HAVE_MEMORY_H
#include <memory.h>
#else
#include <string.h>
#endif

static __inline void ndn_memset(uint8_t *dest, int val, size_t len)
{
  // If len == 0, allow dest to be null.
  if (len > 0)
    memset(dest, val, len);
}
#else

void ndn_memset(uint8_t *dest, int val, size_t len);
#endif

#ifdef __cplusplus
}
#endif

#endif