Mercurial > hg > cdb

view uint32_unpack.c @ 4:a5ac7c5c6917

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
wrestle towards the 21st century....
author Henry S. Thompson <ht@inf.ed.ac.uk>
date Wed, 29 Jan 2025 12:38:05 +0000
parents 2cb46628feec
children
line wrap: on
line source

#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;
}