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Groups > comp.lang.c > #18529

Re: Method to test a program against different C implementations

From "Joachim Schmitz" <nospam.jojo@schmitz-digital.de>
Newsgroups comp.lang.c
Subject Re: Method to test a program against different C implementations
Date 2012-03-11 13:48 +0100
Organization 1&1 Internet AG
Message-ID <jji6up$68s$1@online.de> (permalink)
References <jji27a$d4e$1@nnrp.ngi.it>

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pozz wrote:
> We perfectly know that C implementations can be very different in
> terms of: 
> - number of bits per byte

#include <limits.h>
 and use CHAR_BIT

> - number of bytes per int

sizeof(int);

> - number of bytes per long

sizeof(long)

> - signed or unsigned char

#include <limits.h>
and look at CHAR_BIT, CHAR_MAX and CHAR_MIN

> - negative number implementation (two's or one's complement)
> - big or little endian or others

http://c-faq.com/misc/endiantest.html
 
<snip>

Bye, Jojo

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Thread

Method to test a program against different C implementations pozz <pozzugno@gmail.com> - 2012-03-11 12:27 +0100
  Re: Method to test a program against different C implementations "Joachim Schmitz" <nospam.jojo@schmitz-digital.de> - 2012-03-11 13:48 +0100
    Re: Method to test a program against different C implementations pete <pfiland@mindspring.com> - 2012-03-11 09:03 -0500
      Re: Method to test a program against different C implementations James Kuyper <jameskuyper@verizon.net> - 2012-03-11 10:43 -0400
  Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-11 09:08 -0400
    Re: Method to test a program against different C implementations pozz <pozzugno@gmail.com> - 2012-03-11 22:12 +0100
      Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-11 17:44 -0400
  Re: Method to test a program against different C implementations Don Y <this@isnotme.com> - 2012-03-11 09:39 -0700
  Re: Method to test a program against different C implementations Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-03-15 22:09 +0000
    Re: Method to test a program against different C implementations James Kuyper <jameskuyper@verizon.net> - 2012-03-15 18:32 -0400
      Re: Method to test a program against different C implementations pozz <pozzugno@gmail.com> - 2012-03-17 16:26 +0100
        Re: Method to test a program against different C implementations James Kuyper <jameskuyper@verizon.net> - 2012-03-17 11:52 -0400
    Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-15 20:31 -0400
      Re: Method to test a program against different C implementations Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-03-20 22:18 +0000
        Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-20 22:38 -0400
          Re: Method to test a program against different C implementations Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-03-22 21:48 +0000
            Re: Method to test a program against different C implementations James Kuyper <jameskuyper@verizon.net> - 2012-03-22 18:39 -0400
            Re: Method to test a program against different C implementations Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-03-22 21:07 -0400
  Re: Method to test a program against different C implementations Robert Miles <robertmilesxyz@gmail.com> - 2012-03-15 17:41 -0700

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