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Re: Correct way of doing string manipulation functions

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.lang.c
Subject Re: Correct way of doing string manipulation functions
Date 2017-01-11 03:41 +0000
Organization A noiseless patient Spider
Message-ID <87shoqs1pa.fsf@bsb.me.uk> (permalink)
References <f6babbd9-c6df-4b6c-a8e2-0a51531650d5@googlegroups.com> <29933af1-016c-7a19-96a3-e2b7931f1746@verizon.net>

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"James R. Kuyper" <jameskuyper@verizon.net> writes:

> On 01/10/2017 06:43 PM, Fernando D. Bozzo wrote:
<snip>
>> char *justfname(char *text_in)
>> {
<snip>
>>     char *text_out = malloc(sizeof(text_in));
>
> You allocated only enough space for the contents of the input string,
> without enough room to null-terminate it.

It's worse than that.  I think you misread sizeof as strlen.  Only
enough space for a pointer is allocated.

<snip>
-- 
Ben.

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Thread

Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-10 15:43 -0800
  Re: Correct way of doing string manipulation functions "James R. Kuyper" <jameskuyper@verizon.net> - 2017-01-10 19:36 -0500
    Re: Correct way of doing string manipulation functions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-01-11 03:41 +0000
      Re: Correct way of doing string manipulation functions James Kuyper <jameskuyper@verizon.net> - 2017-01-11 07:19 -0500
    Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 14:36 -0800
  Correct way of doing string manipulation functions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-01-10 16:41 -0800
    Re: Correct way of doing string manipulation functions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-01-10 16:54 -0800
      Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 14:38 -0800
        Re: Correct way of doing string manipulation functions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-01-11 18:24 -0800
    Re: Correct way of doing string manipulation functions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-01-11 03:38 +0000
      Re: Correct way of doing string manipulation functions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-01-10 20:02 -0800
        Re: Correct way of doing string manipulation functions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-01-10 20:28 -0800
        Re: Correct way of doing string manipulation functions Ian Collins <ian-news@hotmail.com> - 2017-01-11 18:19 +1300
          Re: Correct way of doing string manipulation functions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-01-11 02:40 -0800
      Re: Correct way of doing string manipulation functions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-01-10 20:18 -0800
    Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 14:37 -0800
      Re: Correct way of doing string manipulation functions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-01-11 18:23 -0800
  Re: Correct way of doing string manipulation functions BartC <bc@freeuk.com> - 2017-01-11 01:12 +0000
    Re: Correct way of doing string manipulation functions BartC <bc@freeuk.com> - 2017-01-11 11:59 +0000
    Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 14:39 -0800
  Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-10 17:55 -0800
    Re: Correct way of doing string manipulation functions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2017-01-10 18:21 -0800
    Re: Correct way of doing string manipulation functions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-01-11 03:21 +0000
      Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-11 07:33 -0800
        Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-11 07:43 -0800
        Re: Correct way of doing string manipulation functions BartC <bc@freeuk.com> - 2017-01-11 15:50 +0000
          Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-11 08:07 -0800
            Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 14:46 -0800
              Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-12 03:04 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-12 03:37 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-12 05:47 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-12 06:14 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-12 06:34 -0800
                Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-12 07:38 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-12 07:59 -0800
            Re: Correct way of doing string manipulation functions Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-14 22:24 -0800
              Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-15 03:30 -0800
                Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-15 03:52 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-15 04:23 -0800
      Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 14:42 -0800
  Re: Correct way of doing string manipulation functions Keith Thompson <kst-u@mib.org> - 2017-01-10 19:19 -0800
    Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 14:40 -0800
  Re: Correct way of doing string manipulation functions Barry Schwarz <schwarzb@dqel.com> - 2017-01-10 20:31 -0800
    Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 14:45 -0800
  Re: Correct way of doing string manipulation functions Gareth Owen <gwowen@gmail.com> - 2017-01-11 17:20 +0000
    Re: Correct way of doing string manipulation functions "James R. Kuyper" <jameskuyper@verizon.net> - 2017-01-11 12:38 -0500
      Strings as first class citizens (Was: Correct way of doing string manipulation functions) gazelle@shell.xmission.com (Kenny McCormack) - 2017-01-11 17:53 +0000
        Re: Strings as first class citizens (Was: Correct way of doing string manipulation functions) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2017-01-11 12:46 -0800
          Re: Strings as first class citizens (Was: Correct way of doing string manipulation functions) fir <profesor.fir@gmail.com> - 2017-01-11 14:40 -0800
          Re: Strings as first class citizens (Was: Correct way of doing string manipulation functions) Robert Wessel <robertwessel2@yahoo.com> - 2017-01-11 18:12 -0600
      Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-11 09:56 -0800
    Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 14:48 -0800
  Re: Correct way of doing string manipulation functions Thiago Adams <thiago.adams@gmail.com> - 2017-01-11 12:09 -0800
    Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 15:00 -0800
  Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-11 15:11 -0800
    Re: Correct way of doing string manipulation functions "James R. Kuyper" <jameskuyper@verizon.net> - 2017-01-11 19:03 -0500
      Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-12 02:46 -0800
    Re: Correct way of doing string manipulation functions Barry Schwarz <schwarzb@dqel.com> - 2017-01-12 00:08 -0800
      Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-12 03:02 -0800
        Re: Correct way of doing string manipulation functions Richard Heathfield <rjh@cpax.org.uk> - 2017-01-12 11:38 +0000
          Re: Correct way of doing string manipulation functions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-01-12 13:51 +0000
            Re: Correct way of doing string manipulation functions Richard Heathfield <rjh@cpax.org.uk> - 2017-01-12 14:41 +0000
        Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-12 09:32 -0800
          Re: Correct way of doing string manipulation functions Richard Heathfield <rjh@cpax.org.uk> - 2017-01-12 18:15 +0000
          Re: Correct way of doing string manipulation functions Keith Thompson <kst-u@mib.org> - 2017-01-12 11:46 -0800
            Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-12 13:52 -0800
          Re: Correct way of doing string manipulation functions Malcolm McLean <malcolm.mclean5@btinternet.com> - 2017-01-12 16:50 -0800
            Re: Correct way of doing string manipulation functions Richard Heathfield <rjh@cpax.org.uk> - 2017-01-13 00:59 +0000
              Re: Correct way of doing string manipulation functions raltbos@xs4all.nl (Richard Bos) - 2017-01-13 08:59 +0000
                Re: Correct way of doing string manipulation functions Richard Heathfield <rjh@cpax.org.uk> - 2017-01-13 13:07 +0000
                Re: Correct way of doing string manipulation functions Keith Thompson <kst-u@mib.org> - 2017-01-13 10:11 -0800
                Re: Correct way of doing string manipulation functions BartC <bc@freeuk.com> - 2017-01-13 18:49 +0000
              Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-13 08:43 -0800
              Re: Correct way of doing string manipulation functions Malcolm McLean <malcolm.mclean5@btinternet.com> - 2017-01-13 09:45 -0800
                Re: Correct way of doing string manipulation functions Richard Heathfield <rjh@cpax.org.uk> - 2017-01-13 18:17 +0000
                Re: Correct way of doing string manipulation functions Malcolm McLean <malcolm.mclean5@btinternet.com> - 2017-01-13 10:30 -0800
                Re: Correct way of doing string manipulation functions Richard Heathfield <rjh@cpax.org.uk> - 2017-01-13 18:48 +0000
                Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-13 11:02 -0800
                Re: Correct way of doing string manipulation functions Richard Heathfield <rjh@cpax.org.uk> - 2017-01-13 19:15 +0000
                Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-13 12:18 -0800
                Re: Correct way of doing string manipulation functions Keith Thompson <kst-u@mib.org> - 2017-01-13 12:14 -0800
                Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-13 12:49 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-13 13:19 -0800
                Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-13 10:46 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-13 11:55 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-13 10:41 -0800
                Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-13 10:51 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-13 12:28 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-13 13:07 -0800
                Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-13 13:29 -0800
                Re: Correct way of doing string manipulation functions BartC <bc@freeuk.com> - 2017-01-13 21:45 +0000
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-13 13:59 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-13 15:08 -0800
                Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-13 14:13 -0800
                Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-13 13:47 -0800
            Re: Correct way of doing string manipulation functions fir <profesor.fir@gmail.com> - 2017-01-13 08:02 -0800
      Re: Correct way of doing string manipulation functions supercat@casperkitty.com - 2017-01-12 07:50 -0800
      Re: Correct way of doing string manipulation functions Keith Thompson <kst-u@mib.org> - 2017-01-12 08:37 -0800
        Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-12 09:41 -0800
    Re: Correct way of doing string manipulation functions Tim Rentsch <txr@alumni.caltech.edu> - 2017-01-13 17:39 -0800
      Re: Correct way of doing string manipulation functions "Fernando D. Bozzo" <fdbozzo@gmail.com> - 2017-01-13 18:02 -0800

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