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Re: Method other than strlen to check for truncation with fgets?

From Lőrinczy Zsigmond <zsiga@nospam.for.me>
Newsgroups comp.lang.c
Subject Re: Method other than strlen to check for truncation with fgets?
Date 2015-05-07 15:41 +0200
Organization Aioe.org NNTP Server
Message-ID <mifq32$7fd$1@speranza.aioe.org> (permalink)
References <midqe0$62n$1@dont-email.me> <mieros$th2$1@speranza.aioe.org> <87fv788yrv.fsf@bsb.me.uk>

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>> The input might contain \0 so this method is unreliable.
>
> The method is reliable even if there are nulls in the input (provided
> fgets processes them just like any other character).

fgets does that alright, strlen doesn't.

You still could check for more data after the first \0
and find out how many \0 the input contained,
but this method is neither efficient nor elegant.

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Method other than strlen to check for truncation with fgets? mathog <dmathog@gmail.com> - 2015-05-06 12:35 -0700
  Re: Method other than strlen to check for truncation with fgets? Barry Schwarz <schwarzb@dqel.com> - 2015-05-06 15:14 -0700
    Re: Method other than strlen to check for truncation with fgets? mathog <dmathog@gmail.com> - 2015-05-06 16:14 -0700
      Re: Method other than strlen to check for truncation with fgets? Barry Schwarz <schwarzb@dqel.com> - 2015-05-06 17:51 -0700
      Re: Method other than strlen to check for truncation with fgets? Tim Rentsch <txr@alumni.caltech.edu> - 2015-05-06 18:23 -0700
        Re: Method other than strlen to check for truncation with fgets? mathog <dmathog@gmail.com> - 2015-05-07 10:07 -0700
          Re: Method other than strlen to check for truncation with fgets? Tim Rentsch <txr@alumni.caltech.edu> - 2015-05-07 16:06 -0700
  Re: Method other than strlen to check for truncation with fgets? James Kuyper <jameskuyper@verizon.net> - 2015-05-06 22:20 -0400
    Re: Method other than strlen to check for truncation with fgets? mathog <dmathog@gmail.com> - 2015-05-07 10:29 -0700
      Re: Method other than strlen to check for truncation with fgets? James Kuyper <jameskuyper@verizon.net> - 2015-05-07 14:09 -0400
        Re: Method other than strlen to check for truncation with fgets? mathog <dmathog@gmail.com> - 2015-05-07 12:48 -0700
          Re: Method other than strlen to check for truncation with fgets? James Kuyper <jameskuyper@verizon.net> - 2015-05-07 17:01 -0400
            Re: Method other than strlen to check for truncation with fgets? mathog <dmathog@gmail.com> - 2015-05-08 10:59 -0700
              Re: Method other than strlen to check for truncation with fgets? James Kuyper <jameskuyper@verizon.net> - 2015-05-08 14:48 -0400
              Re: Method other than strlen to check for truncation with fgets? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-05-08 18:37 +0000
                Re: Method other than strlen to check for truncation with fgets? James Kuyper <jameskuyper@verizon.net> - 2015-05-08 15:06 -0400
  Re: Method other than strlen to check for truncation with fgets? Lőrinczy Zsigmond <nospam@for.me> - 2015-05-07 07:04 +0200
    Re: Method other than strlen to check for truncation with fgets? Richard Heathfield <rjh@cpax.org.uk> - 2015-05-07 06:52 +0100
      Re: Method other than strlen to check for truncation with fgets? Lőrinczy Zsigmond <zsiga@nospam.for.me> - 2015-05-07 09:58 +0200
        Re: Method other than strlen to check for truncation with fgets? Stephen Sprunk <stephen@sprunk.org> - 2015-05-07 09:12 -0500
        Re: Method other than strlen to check for truncation with fgets? Keith Thompson <kst-u@mib.org> - 2015-05-07 08:51 -0700
          Re: Method other than strlen to check for truncation with fgets? Lőrinczy Zsigmond <zsiga@nospam.for.me> - 2015-05-07 19:09 +0200
            Re: Method other than strlen to check for truncation with fgets? James Kuyper <jameskuyper@verizon.net> - 2015-05-07 14:15 -0400
    Re: Method other than strlen to check for truncation with fgets? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-07 11:31 +0100
      Re: Method other than strlen to check for truncation with fgets? Lőrinczy Zsigmond <zsiga@nospam.for.me> - 2015-05-07 15:41 +0200
        Re: Method other than strlen to check for truncation with fgets? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-08 02:44 +0100
          Re: Method other than strlen to check for truncation with fgets? James Kuyper <jameskuyper@verizon.net> - 2015-05-07 23:24 -0400
            Re: Method other than strlen to check for truncation with fgets? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-08 04:41 +0100
      Re: Method other than strlen to check for truncation with fgets? Keith Thompson <kst-u@mib.org> - 2015-05-07 08:49 -0700
        Re: Method other than strlen to check for truncation with fgets? James Kuyper <jameskuyper@verizon.net> - 2015-05-07 12:19 -0400
        Re: Method other than strlen to check for truncation with fgets? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-05-07 18:08 +0000
    Re: Method other than strlen to check for truncation with fgets? James Kuyper <jameskuyper@verizon.net> - 2015-05-07 12:19 -0400
      Re: Method other than strlen to check for truncation with fgets? mathog <dmathog@gmail.com> - 2015-05-07 09:57 -0700
  Re: Method other than strlen to check for truncation with fgets? Siri Cruz <chine.bleu@yahoo.com> - 2015-05-07 11:31 -0700
    Re: Method other than strlen to check for truncation with fgets? Keith Thompson <kst-u@mib.org> - 2015-05-07 12:00 -0700
      Re: Method other than strlen to check for truncation with fgets? Siri Cruz <chine.bleu@yahoo.com> - 2015-05-07 12:44 -0700
        Re: Method other than strlen to check for truncation with fgets? Keith Thompson <kst-u@mib.org> - 2015-05-07 14:03 -0700
          Re: Method other than strlen to check for truncation with fgets? Siri Cruz <chine.bleu@yahoo.com> - 2015-05-07 15:28 -0700

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