Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people, just like you, are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
Solved

Get platform to know the endians

Posted on 2004-10-19
2
226 Views
Last Modified: 2010-04-01
Dear experts,
I need to know how to write a platform-indep C/C++ code that get the platform of the running machine. I need to know whether it is a big endian or little endian machine.

Thanx for fast response,
Amr
0
Comment
Question by:amradel_79
2 Comments
 
LVL 12

Expert Comment

by:OnegaZhang
ID: 12346282
   int data = 0;
    char *p = (char*)&data;
    p[0] = 1;
    p[1] = 2;
    p[2] = 3;
    p[3] = 4;
    if(data == 0x01020304)
        std::cout<<"big endian"<<std::endl;
    else
        std::cout<<"little endian"<<std::endl;
0
 
LVL 48

Accepted Solution

by:
AlexFM earned 500 total points
ID: 12346301
http://upc.pkmn.co.uk/win32/littleend.html

inline int IsLittleEndian(){
  int i = 1 ;
  return (*((char *) &i )) ? 1 : 0;
}

0

Featured Post

Free Tool: ZipGrep

ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.

One of a set of tools we're offering as a way to say thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

  Included as part of the C++ Standard Template Library (STL) is a collection of generic containers. Each of these containers serves a different purpose and has different pros and cons. It is often difficult to decide which container to use and …
Container Orchestration platforms empower organizations to scale their apps at an exceptional rate. This is the reason numerous innovation-driven companies are moving apps to an appropriated datacenter wide platform that empowers them to scale at a …
The goal of the tutorial is to teach the user how to use functions in C++. The video will cover how to define functions, how to call functions and how to create functions prototypes. Microsoft Visual C++ 2010 Express will be used as a text editor an…
The goal of the video will be to teach the user the concept of local variables and scope. An example of a locally defined variable will be given as well as an explanation of what scope is in C++. The local variable and concept of scope will be relat…

791 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question