uint32_unpack.c

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#include "uint32.h"

void uint32_unpack(char s[4],uint32 *u)
{
  uint32 result;

  result = (unsigned char) s[3];
  result <<= 8;
  result += (unsigned char) s[2];
  result <<= 8;
  result += (unsigned char) s[1];
  result <<= 8;
  result += (unsigned char) s[0];

  *u = result;
}

void uint32_unpack_big(char s[4],uint32 *u)
{
  uint32 result;

  result = (unsigned char) s[0];
  result <<= 8;
  result += (unsigned char) s[1];
  result <<= 8;
  result += (unsigned char) s[2];
  result <<= 8;
  result += (unsigned char) s[3];

  *u = result;
}