/*

 * No copyright is claimed.  This code is in the public domain; do with

 * it what you wish.

 */

#ifndef UTIL_LINUX_ISO_H

#define UTIL_LINUX_ISO_H

#include <stdbool.h>

#include <stdint.h>

#include "c.h"

static inline uint16_t isonum_721(const unsigned char *p)

{

  return ((p[0] & 0xff)

    | ((p[1] & 0xff) << 8));

}

static inline uint16_t isonum_722(const unsigned char *p)

{

  return ((p[1] & 0xff)

    | ((p[0] & 0xff) << 8));

}

static inline uint16_t isonum_723(const unsigned char *p, bool check_match)

{

  uint16_t le = isonum_721(p);

  uint16_t be = isonum_722(p + 2);

  if (check_match && le != be)

    /* translation is useless */

    warnx("723error: le=%d be=%d", le, be);

  return (le);

}

static inline uint32_t isonum_731(const unsigned char *p)

{

  return ((p[0] & 0xff)

    | ((p[1] & 0xff) << 8)

    | ((p[2] & 0xff) << 16)

    | (((uint32_t) p[3] & 0xff) << 24));

}

static inline uint32_t isonum_732(const unsigned char *p)

{

  return ((p[3] & 0xff)

    | ((p[2] & 0xff) << 8)

    | ((p[1] & 0xff) << 16)

    | (((uint32_t) p[0] & 0xff) << 24));

}

static inline uint32_t isonum_733(const unsigned char *p, bool check_match)

{

  uint32_t le = isonum_731(p);

  uint32_t be = isonum_732(p + 4);

  if (check_match && le != be)

    /* translation is useless */

    warnx("733error: le=%d be=%d", le, be);

  return(le);

}

#endif