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From:	"Hannu E K Nevalainen \(garbage mail\)" <garbage_collector AT telia DOT com>
To:	<cygwin AT cygwin DOT com>
Subject:	RE: problem with runningsimple C program
Date:	Wed, 25 Jun 2003 21:16:57 +0200
Message-ID:	<NGBBLLIAMFLGJEOAJCCEEECDDBAA.garbage_collector@telia.com>
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> From: cygwin-owner AT cygwin DOT com [mailto:cygwin-owner AT cygwin DOT com]On Behalf
> Of Milos Puzovic
>
>
> I was trying to run the following simple C code:
>
> void func();
>
> main() {
>    func();
>    }
>
> void func() { printf("Hello world from func()!"); }
>
> First, I compiled it with gcc program.c -o program. Then I tried to run
> it, but I got "Segmentation fault (core dumped)" message.
>
> The version of gcc is 3.2 20020927 (prerelease).


Hannu AT P450 ~/Projects
<xc=0> $ cat >z.c
void func();

main() {
   func();
   }

void func() { printf("Hello world from func()!"); }
Hannu AT P450 ~/Projects
<xc=0> $ gcc -o z z.c
Hannu AT P450 ~/Projects
<xc=0> $ ./z
Hello world from func()!Hannu AT P450 ~/Projects
<xc=24> $ gcc --version
gcc (GCC) 3.2 20020927 (prerelease)
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Hannu AT P450 ~/Projects
<xc=0> $ uname -a
CYGWIN_NT-5.0 P450 1.3.22(0.78/3/2) 2003-03-18 09:20 i686 unknown unknown
Cygwin
Hannu AT P450 ~/Projects
<xc=0> $

--

i.e. WFM. BTW, use "int main() { ...; return 0;}" - even in test code.

As you can see the amount of characters printed in func() gets sent as exit
code.
Did you expect that? ;-)


/Hannu E K Nevalainen, 59~14'N, 17~12'E
 ~ <=> degree

--

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