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Re: Safer and more convenient strcpy()

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Howard Chu <highlandsun@gmail.com> writes:

> I was recently reminded of an old rant of mine, which reminded me of
> the even older discussion about better versions of strcpy().
>
> https://www.openldap.org/lists/openldap-software/200303/msg00560.html
>
> The function I advocated there eventually became more common, known as
> stpcpy(), but it's still not a safer function.  It's easy to write a safer
> function that's still convenient to use though, like so:
>
> char *stecpy(char *dst, const char *src, const char *end)
> {
>   while (*src && dst < end)
>    *dst++ = *src++;
>   if (dst < end)
>    *dst = '\0';
>   return dst;
> }

An alternative writing:

    char *
    stecpy( char *const d, const char *const s, const char *const e ){
        return  d < e ?   (*d = *s) ? stecpy( d+1, s+1, e ) : d   : d;
    }

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Safer and more convenient strcpy() Howard Chu <highlandsun@gmail.com> - 2019-03-06 03:45 -0800
  Re: Safer and more convenient strcpy() Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-03-06 03:58 -0800
    Re: Safer and more convenient strcpy() Howard Chu <highlandsun@gmail.com> - 2019-03-06 04:31 -0800
      Re: Safer and more convenient strcpy() "I Set My Girlfriend's Pantyhose on Fire" <cdalten@gmail.com> - 2019-03-06 05:18 -0800
        Re: Safer and more convenient strcpy() Howard Chu <highlandsun@gmail.com> - 2019-03-06 13:03 -0800
          Re: Safer and more convenient strcpy() William Ahern <william@25thandClement.com> - 2019-03-06 16:51 -0800
            Re: Safer and more convenient strcpy() Howard Chu <highlandsun@gmail.com> - 2019-03-07 07:40 -0800
              Re: Safer and more convenient strcpy() scott@slp53.sl.home (Scott Lurndal) - 2019-03-07 16:12 +0000
                Re: Safer and more convenient strcpy() Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-03-07 08:28 -0800
                Re: Safer and more convenient strcpy() scott@slp53.sl.home (Scott Lurndal) - 2019-03-07 16:51 +0000
                Re: Safer and more convenient strcpy() Howard Chu <highlandsun@gmail.com> - 2019-03-07 09:31 -0800
                Re: Safer and more convenient strcpy() Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-03-07 11:17 -0800
                Re: Safer and more convenient strcpy() Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-03-07 22:35 +0000
                Re: Safer and more convenient strcpy() Howard Chu <highlandsun@gmail.com> - 2019-03-07 15:32 -0800
                Re: Safer and more convenient strcpy() scott@slp53.sl.home (Scott Lurndal) - 2019-03-08 14:29 +0000
                Re: Safer and more convenient strcpy() Howard Chu <highlandsun@gmail.com> - 2019-03-08 07:09 -0800
                Re: Safer and more convenient strcpy() Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-03-08 15:39 +0000
                Re: Safer and more convenient strcpy() Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-03-08 07:56 -0800
                Re: Safer and more convenient strcpy() Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-03-09 08:12 +0000
                Re: Safer and more convenient strcpy() William Ahern <william@25thandClement.com> - 2019-03-07 15:51 -0800
                Re: Safer and more convenient strcpy() William Ahern <william@25thandClement.com> - 2019-03-07 16:38 -0800
                Re: Safer and more convenient strcpy() Keith Thompson <kst-u@mib.org> - 2019-03-07 18:32 -0800
                Re: Safer and more convenient strcpy() William Ahern <william@25thandClement.com> - 2019-03-07 20:00 -0800
                Re: Safer and more convenient strcpy() Howard Chu <highlandsun@gmail.com> - 2019-03-08 04:15 -0800
            Re: Safer and more convenient strcpy() "I Set My Girlfriend's Pantyhose on Fire" <cdalten@gmail.com> - 2019-03-07 12:15 -0800
      Re: Safer and more convenient strcpy() Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-06 09:12 -0800
  Re: Safer and more convenient strcpy() mark.bluemel@gmail.com - 2019-03-06 08:27 -0800
  Re: Safer and more convenient strcpy() Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-03-06 09:22 -0800
  Re: Safer and more convenient strcpy() Rosario19 <Ros@invalid.invalid> - 2019-03-07 09:10 +0100
    Re: Safer and more convenient strcpy() Rosario19 <Ros@invalid.invalid> - 2019-03-07 09:12 +0100
      Re: Safer and more convenient strcpy() mark.bluemel@gmail.com - 2019-03-07 00:55 -0800
  Re: Safer and more convenient strcpy() William Ahern <william@25thandClement.com> - 2019-03-07 16:09 -0800
    Re: Safer and more convenient strcpy() Howard Chu <highlandsun@gmail.com> - 2019-03-08 04:04 -0800
    Re: Safer and more convenient strcpy() eric.sanchis@iut-rodez.fr - 2019-04-15 04:40 -0700
      Re: Safer and more convenient strcpy() nobody@example.org (Scott) - 2019-04-16 03:33 +0000
        Re: Safer and more convenient strcpy() eric.sanchis@iut-rodez.fr - 2019-04-16 05:35 -0700
          Re: Safer and more convenient strcpy() nobody@example.org (Scott) - 2019-04-17 01:19 +0000
            Re: Safer and more convenient strcpy() eric.sanchis@iut-rodez.fr - 2019-04-17 05:35 -0700
              Re: Safer and more convenient strcpy() nobody@example.org (Scott) - 2019-04-17 16:59 +0000
                Re: Safer and more convenient strcpy() eric.sanchis@iut-rodez.fr - 2019-04-17 23:40 -0700
  Re: Safer and more convenient strcpy() Philipp Klaus Krause <pkk@spth.de> - 2019-03-20 11:10 +0100
    Re: Safer and more convenient strcpy() Philipp Klaus Krause <pkk@spth.de> - 2019-03-20 11:13 +0100

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