src/endian.c


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#include "endian.h"

#include <inttypes.h>

uint64_t l2__bswap_64_int(uint64_t in)
{
  return (in << 56)
    | ((in & UINT64_C(0x000000000000FF00)) << 40)
    | ((in & UINT64_C(0x0000000000FF0000)) << 24)
    | ((in & UINT64_C(0x00000000FF000000)) << 8)
    | ((in & UINT64_C(0x000000FF00000000)) >> 8)
    | ((in & UINT64_C(0x0000FF0000000000)) >> 24)
    | ((in & UINT64_C(0x00FF000000000000)) >> 40)
    | (in >> 56);
}

uint32_t l2__bswap_32_int(uint32_t in)
{
  return (in << 24)
    | ((in & UINT32_C(0x0000FF00)) << 8)
    | ((in & UINT32_C(0x00FF0000)) >> 8)
    | (in >> 24);
}

uint16_t l2__bswap_16_int(uint16_t in)
{
  return (in >> 8) | (in << 8);
}