From: Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: MINGW vs DJGPP
Date: 19 Apr 2001 12:17:13 GMT
Organization: Aachen University of Technology (RWTH)
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Waldemar Schultz <schultzma AT ma DOT tum DOT de> wrote:
> more problems with MINGW port of gcc-2.95.2:

> strw.c:
>  #include <stdio.h>
>  #include <stdlib.h>
>  #include <string.h>

>  int main(void)
>  {
>  char *bbb="ABCDefgh";

>   strlwr(bbb);

This causes undefined behaviour, which includes both "works as I
though it would" and "crashes badly" as allowable alternatives (and
lots of others, beyond those).  bbb is a pointer into a string literal,
but strlwr tries to modify the contents of the string it's given. 

-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.