Groups > comp.os.os2.programmer.misc > #1626

Re: C: How to convert a \0 char into a dot for printf output?

From	nospam_2018@efbe.prima.de
Newsgroups	comp.os.os2.programmer.misc
Subject	Re: C: How to convert a \0 char into a dot for printf output?
Date	2018-05-20 19:06 +0200
Message-ID	<fmdo8oFg9geU1@mid.individual.net> (permalink)
References	(4 earlier) <pdp5c1$hr6$1@news.albasani.net> <pdp8tq$8hb$1@news.albasani.net> <11p86vVJT4Oe-pn2-le11Ozv52zBR@slamain> <pdpice$eld$1@news.albasani.net> <pdrmmc$fhp$1@news.albasani.net>

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Am 20.05.2018 um 13:37 schrieb Andreas Schnellbacher:

Hi Andreas,

[...]
> My other problem with creating a copy of a pointer for output
> processing (e.g. Lars' function) and using the original pointer
> for standard further processing still exists. I'd thought that
> strdup should work, but that failed:
> 
> static PSZ _zerotodot( PSZ pszString)
> {
>          APIRET         rc = NO_ERROR;
>          PSZ            pszCopy = strdup( pszString);

The c stringhandling functions expect a standard c string which is
terminated by the first \0 char. So she strdup will only copy the first
string of your "string1\0string2\0..." example.
And you get a pointer, which has to be freed later on.
[...]
>    // cleanup
>    //if (pszCopy)     free( pszCopy);

But not in this function, if it used as returnvalue...

> 
>    return pszCopy;
> }

CU/2
Frank

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Thread

C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-18 18:30 +0200
  Re: C: How to convert a \0 char into a dot for printf output? James Moe <jimoeDESPAM@sohnen-moe.com> - 2018-05-18 10:26 -0700
    Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-18 19:34 +0200
      Re: C: How to convert a \0 char into a dot for printf output? Lars Erdmann <lars.erdmann@arcor.de> - 2018-05-18 21:29 +0200
        Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-19 14:29 +0200
          Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-19 15:30 +0200
            Re: C: How to convert a \0 char into a dot for printf output? "Steven Levine" <steve53@nomail.earthlink.net> - 2018-05-19 09:43 -0500
              Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-19 18:11 +0200
                Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-20 13:37 +0200
                Re: C: How to convert a \0 char into a dot for printf output? Peter Flass <peter_flass@yahoo.com> - 2018-05-20 10:36 -0400
                Re: C: How to convert a \0 char into a dot for printf output? "Steven Levine" <steve53@nomail.earthlink.net> - 2018-05-20 10:49 -0500
                Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-20 18:46 +0200
                Re: C: How to convert a \0 char into a dot for printf output? "Steven Levine" <steve53@nomail.earthlink.net> - 2018-05-21 09:42 -0500
                Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-21 18:37 +0200
                Re: C: How to convert a \0 char into a dot for printf output? nospam_2018@efbe.prima.de - 2018-05-20 19:06 +0200
                Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-20 23:30 +0200
                Re: C: How to convert a \0 char into a dot for printf output? Peter Flass <peter_flass@yahoo.com> - 2018-05-20 18:03 -0400
                Re: C: How to convert a \0 char into a dot for printf output? Lars Erdmann <lars.erdmann@arcor.de> - 2018-05-21 09:07 +0200
                Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-21 11:30 +0200
                Re: C: How to convert a \0 char into a dot for printf output? "Steven Levine" <steve53@nomail.earthlink.net> - 2018-05-21 10:01 -0500
                Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-21 18:41 +0200
                Re: C: How to convert a \0 char into a dot for printf output? nospam_2018@efbe.prima.de - 2018-05-21 22:56 +0200
                Re: C: How to convert a \0 char into a dot for printf output? "Steven Levine" <steve53@nomail.earthlink.net> - 2018-05-22 10:00 -0500
                Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-22 21:37 +0200
                Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-22 21:41 +0200
                Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-23 23:56 +0200
                Re: C: How to convert a \0 char into a dot for printf output? nospam_2018@efbe.prima.de - 2018-05-22 21:44 +0200
          Re: C: How to convert a \0 char into a dot for printf output? Peter Flass <peter_flass@yahoo.com> - 2018-05-19 11:42 -0400
            Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-19 18:13 +0200
  Re: C: How to convert a \0 char into a dot for printf output? Andreas Kohl <ak120@arcor.de> - 2018-05-21 09:05 +0200
    Re: C: How to convert a \0 char into a dot for printf output? Andreas Schnellbacher <aschn@despammed.com> - 2018-05-21 11:35 +0200

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