src/pack.h

   1 /*
   2  * Copyright © 2009, 2023 Nick Bowler
   3  *
   4  * Portable binary (de-)serialisation of integral types.
   5  *
   6  * License WTFPL2: Do What The Fuck You Want To Public License, version 2.
   7  * This is free software: you are free to do what the fuck you want to.
   8  * There is NO WARRANTY, to the extent permitted by law.
   9  */
  10
  11 #ifndef DX_PACK_H_
  12 #define DX_PACK_H_
  13
  14 #ifndef PACK_HAVE_64BIT
  15 #  if HAVE_LONG_LONG_INT
  16 #    define PACK_HAVE_64BIT 1
  17 #  else
  18 #    include <limits.h>
  19 #    if defined(LLONG_MAX) || defined(LONG_LONG_MAX)
  20 #      define PACK_HAVE_64BIT 1
  21 #    endif
  22 #  endif
  23 #endif
  24
  25 short unpack_s16_be(const unsigned char *);
  26 short unpack_s16_le(const unsigned char *);
  27 unsigned short unpack_16_be(const unsigned char *);
  28 unsigned short unpack_16_le(const unsigned char *);
  29 void pack_16_be(unsigned char *, unsigned short);
  30 void pack_16_le(unsigned char *, unsigned short);
  31
  32 long unpack_s32_be(const unsigned char *);
  33 long unpack_s32_le(const unsigned char *);
  34 unsigned long unpack_32_be(const unsigned char *);
  35 unsigned long unpack_32_le(const unsigned char *);
  36 void pack_32_be(unsigned char *, unsigned long);
  37 void pack_32_le(unsigned char *, unsigned long);
  38
  39 #if PACK_HAVE_64BIT
  40 long long unpack_s64_be(const unsigned char *);
  41 long long unpack_s64_le(const unsigned char *);
  42 unsigned long long unpack_64_be(const unsigned char *);
  43 unsigned long long unpack_64_le(const unsigned char *);
  44 void pack_64_be(unsigned char *, unsigned long long);
  45 void pack_64_le(unsigned char *, unsigned long long);
  46 #endif
  47
  48 #endif