delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/1999/12/16/13:17:57

From: Peter Danielsson <e96pd AT efd DOT lth DOT se>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Looks like GCC 2.95 bug
Date: Thu, 16 Dec 1999 18:19:08 +0100
Organization: Student
Lines: 58
Message-ID: <38591F0C.52CE1542@efd.lth.se>
References: <83b5qf$k5i$1 AT news DOT itfs DOT nsk DOT su>
NNTP-Posting-Host: dialin-45-47.student.lu.se
Mime-Version: 1.0
X-Mailer: Mozilla 4.6 [en] (Win98; I)
X-Accept-Language: en
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

I dont think you can  do char *p="test";
p is a pointer. Try char p[]="test"; and &p[0] is the same as your p.

/Peter

"Michael N. Filippov" wrote:

> Hello !
> I'm not sure it is the right place to ask - but it is the only C/C++
> conference i read, sorry.
>
> The question is: is this code correct according to the latest C++ standards :)
> and difference between commented part and last func() call.
>
> idisys:/usr1/users/michael/tmp$ cat const.cpp
> #include <stdio.h>
>
> void    func(char* s)
> {
>   printf("func(%s)\n", s);
> }
>
> int  main(void)
> {
>   char  *p = "Test string";     // NULL;
> //  if ( p == NULL )
> //    func("");
> //  else
> //    func(p);
>   func( ( p == NULL ) ? "" : p );
>   return 0;
> }
>
> The problem is:
> idisys:/usr1/users/michael/tmp$ gcc const.cpp
> const.cpp: In function  nt main()':
> const.cpp:15: passing onst char *' as argument 1 of unc(char *)' discards
>  qualifiers
> idisys:/usr1/users/michael/tmp$ gcc -v
> Reading specs from /usr/lib/gcc-lib/i586-ksi-linux/2.95/specs
> gcc version 2.95 19990728 (release)
>
> Moreover I can compile it w/out problems
> woland:~/tmp$ gcc const.cpp
> woland:~/tmp$ gcc -v
> gcc version 2.7.2.1
>
> and
> [michael AT sig tmp]$ gcc const.cpp
> [michael AT sig tmp]$ gcc -v
> Reading specs from /usr/lib/gcc-lib/i586-ksi-linux/egcs-2.91.66/specs
> gcc version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release)
>
> All the same with DJGPP.
>
> Sincerely,
> Michael

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019