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Re: What are the odds? (a continuation of One works ...)

Subject Re: What are the odds? (a continuation of One works ...)
Newsgroups comp.lang.c
References (1 earlier) <d3d5se5l55l6abkkm0ja75scmepgsr4p03@4ax.com> <fQBwF.59470$Ko9.7309@fx48.iad> <vvv5sehh7oil3eb5dft8dun7s4t1rbt4h7@4ax.com> <voGwF.93833$vD7.57507@fx06.iad> <g4g6se5u1ggsmecioggck2k7ve59pfdbbp@4ax.com>
From Bart <bc@freeuk.com>
Message-ID <2VHwF.97943$_i.39059@fx25.am4> (permalink)
Organization virginmedia.com
Date 2019-11-06 22:35 +0000

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On 06/11/2019 22:23, Barry Schwarz wrote:
> On Wed, 6 Nov 2019 15:52:28 -0500, DFS <nospam@dfs.com> wrote:

>>     char charset[62] =
>> "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

> After numerous examples in your comp.lang.c posts (where I have
> redirected this response since we are not discussing the odds any
> more) of calculating charsetLen correctly, you have chosen to use a
> different method.  You have tried to pass charset to strlen in
> complete violation of the requirements that function imposes.
> 
> It is not sufficient to simply pass a pointer to char to strlen.
> strlen requires that the pointer actually point to a string.  In order
> for an array of char to contain a string, the array must contain at
> least one '\0' to properly terminate the string.  charset does not.

A simple fix is to get rid of the '62':

  char charset[] =
   "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

Then the trailing 0 that is part of every string constant is included 
(otherwise the 63 chars including \0 are truncated to 62).

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Thread

Re: What are the odds? (a continuation of One works ...) Barry Schwarz <schwarzb@delq.com> - 2019-11-06 14:23 -0800
  Re: What are the odds? (a continuation of One works ...) Bart <bc@freeuk.com> - 2019-11-06 22:35 +0000
    Re: What are the odds? (a continuation of One works ...) luser droog <luser.droog@gmail.com> - 2019-11-06 17:09 -0800
    Re: What are the odds? (a continuation of One works ...) Keith Thompson <kst-u@mib.org> - 2019-11-06 19:19 -0800
      Re: What are the odds? (a continuation of One works ...) Ian Collins <ian-news@hotmail.com> - 2019-11-07 16:30 +1300
        Re: What are the odds? (a continuation of One works ...) Bart <bc@freeuk.com> - 2019-11-07 10:59 +0000
        Re: What are the odds? (a continuation of One works ...) David Brown <david.brown@hesbynett.no> - 2019-11-07 14:27 +0100
  Re: What are the odds? (a continuation of One works ...) DFS <nospam@dfs.com> - 2019-11-06 18:09 -0500
    Re: What are the odds? (a continuation of One works ...) Keith Thompson <kst-u@mib.org> - 2019-11-06 19:26 -0800
      Re: What are the odds? (a continuation of One works ...) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-11-07 11:57 +0000

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