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| From | jacobnavia <jacob@jacob.remcomp.fr> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: strtoll discussion |
| Date | 2015-04-03 23:33 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <mfn0te$drm$1@dont-email.me> (permalink) |
| References | <mfm0uu$i18$1@dont-email.me> <mfmqu1$nc2$1@dont-email.me> <8a9be12a-e6c6-4cfe-8187-4e4f9db5a1f0@googlegroups.com> <mfmsiq$v0a$1@dont-email.me> <9d5d3b07-84a4-43c0-8234-24c1e96ddd83@googlegroups.com> |
Le 03/04/2015 22:28, asetofsymbols@gmail.com a écrit :
> Richard wrote:
> <<
> '0' isn't a char; it's an int. What do you think is wrong with it?
>
>
>>
>> I would modify
>>
>> while(*str)
>> {int k;
>> k= *str -'0';
>> if(k>9||k<0) break;
>> result = result*10 + k;
>> str++;
>> }
>
>
> It's an unnecessary modification. The atoi function is not required to
> spot invalid input, and Jacob's Atoi is an implementation of atoi (the
> only reason for the capital A is to allow people to test it without
> giving their compiler a coughing fit).>>
>
> That function it is wrong because
> end only
> when it meets the end of string 0
> and add value for not numbers
>
> For '0'...
> I am sure that I had seen `0`
> and not '0'
> Or something as that...
>
If you continue reading I do an analysis of that "quick and dirty" atoi
implementation and spot all the problems. That function is an
introduction to strtoXXX later, to make the essential part of the
algorithm clear.
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strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-03 14:28 +0200
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-03 14:46 +0100
Re: strtoll discussion Keith Thompson <kst-u@mib.org> - 2015-04-03 11:08 -0700
Re: strtoll discussion James Kuyper <jameskuyper@verizon.net> - 2015-04-03 15:23 -0400
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-03 20:55 +0100
Re: strtoll discussion glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-04-03 20:41 +0000
Re: strtoll discussion Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-03 13:52 -0700
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-03 22:25 +0100
Re: strtoll discussion Bartc <bc@freeuk.com> - 2015-04-04 00:17 +0100
Re: strtoll discussion Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-03 16:27 -0700
Re: strtoll discussion Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-04-04 02:07 +0100
Re: strtoll discussion Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-04 03:44 -0700
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-04 12:13 +0100
Re: strtoll discussion James Kuyper <jameskuyper@verizon.net> - 2015-04-03 16:11 -0400
Re: strtoll discussion Keith Thompson <kst-u@mib.org> - 2015-04-03 14:12 -0700
Re: strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-03 23:56 +0200
Re: strtoll discussion Ian Collins <ian-news@hotmail.com> - 2015-04-04 08:41 +1300
Re: strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-03 23:33 +0200
Re: strtoll discussion James Lothian <james@firstnamelastname.freeserve.co.uk> - 2015-04-03 20:51 +0100
Re: strtoll discussion asetofsymbols@gmail.com - 2015-04-03 13:09 -0700
Re: strtoll discussion asetofsymbols@gmail.com - 2015-04-03 13:16 -0700
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-03 21:19 +0100
Re: strtoll discussion asetofsymbols@gmail.com - 2015-04-03 13:28 -0700
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-03 22:29 +0100
Re: strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-03 23:33 +0200
Re: strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-03 23:34 +0200
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-03 22:42 +0100
Re: strtoll discussion Keith Thompson <kst-u@mib.org> - 2015-04-03 15:08 -0700
Re: strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-04 00:13 +0200
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-03 23:44 +0100
Re: strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-04 00:48 +0200
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-04 00:03 +0100
Re: strtoll discussion Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2015-04-03 19:31 -0400
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-04 00:37 +0100
Re: strtoll discussion Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2015-04-04 10:29 -0400
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-04 15:54 +0100
Re: strtoll discussion Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-04 08:07 -0700
Re: strtoll discussion Bartc <bc@freeuk.com> - 2015-04-04 16:28 +0100
Re: strtoll discussion Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-04 08:57 -0700
Re: strtoll discussion Bartc <bc@freeuk.com> - 2015-04-04 17:03 +0100
Re: strtoll discussion Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-04 09:44 -0700
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-04 18:05 +0100
Re: strtoll discussion Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-04 23:32 -0700
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-05 11:00 +0100
Re: strtoll discussion Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-05 13:18 -0700
Re: strtoll discussion Richard Damon <Richard@Damon-Family.org> - 2015-04-05 17:37 -0400
Re: strtoll discussion Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-04-05 15:00 -0700
Re: strtoll discussion Robert Wessel <robertwessel2@yahoo.com> - 2015-04-05 22:17 -0500
Re: strtoll discussion Richard Damon <Richard@Damon-Family.org> - 2015-04-04 18:54 -0400
Re: strtoll discussion Bartc <bc@freeuk.com> - 2015-04-05 12:14 +0100
Re: strtoll discussion glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-04-04 00:19 +0000
Re: strtoll discussion Keith Thompson <kst-u@mib.org> - 2015-04-03 17:48 -0700
Re: strtoll discussion James Kuyper <jameskuyper@verizon.net> - 2015-04-08 11:23 -0400
Re: strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-08 19:35 +0200
Re: strtoll discussion Keith Thompson <kst-u@mib.org> - 2015-04-08 10:47 -0700
Re: strtoll discussion James Kuyper <jameskuyper@verizon.net> - 2015-04-08 14:22 -0400
lltostr/ulltostr jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-04 13:56 +0200
Re: lltostr/ulltostr Richard Heathfield <rjh@cpax.org.uk> - 2015-04-04 13:36 +0100
Re: lltostr/ulltostr Barry Schwarz <schwarzb@dqel.com> - 2015-04-04 18:54 -0700
Re: lltostr/ulltostr Ian Collins <ian-news@hotmail.com> - 2015-04-05 14:29 +1200
Re: lltostr/ulltostr Ralf Damaschke <rwspam@gmx.de> - 2015-04-05 16:58 +0000
Re: lltostr/ulltostr jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-05 20:39 +0200
Re: lltostr/ulltostr glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-04-05 20:19 +0000
Re: lltostr/ulltostr Keith Thompson <kst-u@mib.org> - 2015-04-05 13:18 -0700
Re: lltostr/ulltostr Ralf Damaschke <rwspam@gmx.de> - 2015-04-06 14:28 +0000
Re: lltostr/ulltostr Keith Thompson <kst-u@mib.org> - 2015-04-06 08:40 -0700
Re: strtoll discussion Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-04 13:04 -0700
Re: strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-04 22:52 +0200
Re: strtoll discussion Richard Heathfield <rjh@cpax.org.uk> - 2015-04-04 22:14 +0100
Re: strtoll discussion Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-04-05 00:24 +0100
Re: strtoll discussion Geoff <geoff@invalid.invalid> - 2015-04-04 16:51 -0700
Re: strtoll discussion jacobnavia <jacob@jacob.remcomp.fr> - 2015-04-05 23:32 +0200
Re: strtoll discussion Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-16 09:21 -0700
Re: strtoll discussion Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-17 02:21 -0700
Re: strtoll discussion Keith Thompson <kst-u@mib.org> - 2015-04-04 15:36 -0700
Re: strtoll discussion Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-16 09:19 -0700
Re: strtoll discussion Keith Thompson <kst-u@mib.org> - 2015-04-16 10:43 -0700
Re: strtoll discussion Tim Rentsch <txr@alumni.caltech.edu> - 2015-04-17 07:59 -0700
Re: strtoll discussion Philipp Klaus Krause <pkk@spth.de> - 2015-04-07 11:46 +0200
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