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Groups > comp.lang.c > #58549

Re: More trouble with strtoul

From Melzzzzz <mel@zzzzz.com>
Newsgroups comp.lang.c
Subject Re: More trouble with strtoul
Date 2015-03-20 23:41 +0100
Organization albasani.net
Message-ID <20150320234115.13546608@maxa-pc> (permalink)
References <meghap$4dk$1@speranza.aioe.org> <6ilnga1dp3mj4vaj8oee3jqvmf73qus1jt@4ax.com> <mego9f$mj3$1@speranza.aioe.org> <20150320215548.05dd422e@maxa-pc> <cn3kcrF9khqU10@mid.individual.net>

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On Sat, 21 Mar 2015 11:13:43 +1300
Ian Collins <ian-news@hotmail.com> wrote:

> Melzzzzz wrote:
> > On Fri, 20 Mar 2015 10:12:15 +0100
> > jacob navia <jacob@jacob.remcomp.fr> wrote:
> >
> >> Le 20/03/2015 09:36, Robert Wessel a écrit :
> >>> does the GCC version set ERRNO correctly?
> >>
> >> YES! THAT's the thing to test.
> >>
> >> I copiled following program with gcc:
> >>
> >>     1 #include <stdio.h>
> >>     2 #include <math.h>
> >>     3 #include <stdlib.h>
> >>     4 #include <errno.h>
> >>     5 int main(int argc,char *argv[])
> >>     6 {
> >>     7     char *end;
> >>     8     char *s = "-2147483647";
> >>     9     if (argc > 1)
> >>    10         s = argv[1];
> >>    11     errno = 0;
> >>    12     unsigned long m = strtoul(s,&end,0);
> >>    13     printf("%lu %lld",m,end-s);
> >>    14     printf(" errno = %s\n",strerror(errno));
> >
> > gcc 4.9.2 segfaults if string.h is not included.
> 
> Now that's a suitable bug to report to the gcc bug tracker!
> 

I dunno if this is bug or feature:

[bmaxa@maxa-pc examples]$ gcc -Wall -Wextra -m32 -g jstrtoul.c -o
jstrtoul jstrtoul.c: In function ‘main’:
jstrtoul.c:15:3: warning: implicit declaration of function
‘strerror’ [-Wimplicit-function-declaration] printf(" errno =
%s\n",strerror(errno)); ^
jstrtoul.c:15:3: warning: format ‘%s’ expects argument of type ‘char
*’, but argument 2 has type ‘int’ [-Wformat=] jstrtoul.c:16:1: warning:
control reaches end of non-void function [-Wreturn-type] }

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Thread

More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 08:13 +0100
  Re: More trouble with strtoul Richard Heathfield <rjh@cpax.org.uk> - 2015-03-20 07:31 +0000
  Re: More trouble with strtoul Robert Wessel <robertwessel2@yahoo.com> - 2015-03-20 03:36 -0500
    Re: More trouble with strtoul Richard Heathfield <rjh@cpax.org.uk> - 2015-03-20 08:42 +0000
    Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 10:12 +0100
      Re: More trouble with strtoul Richard Heathfield <rjh@cpax.org.uk> - 2015-03-20 10:16 +0000
        Re: More trouble with strtoul: BUG in MSVC jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 11:49 +0100
      Re: More trouble with strtoul Robert Wessel <robertwessel2@yahoo.com> - 2015-03-20 05:54 -0500
      Re: More trouble with strtoul Barry Schwarz <schwarzb@dqel.com> - 2015-03-20 08:16 -0700
        Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 16:31 +0100
      Re: More trouble with strtoul Keith Thompson <kst-u@mib.org> - 2015-03-20 08:48 -0700
        Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 16:51 +0100
          Re: More trouble with strtoul Keith Thompson <kst-u@mib.org> - 2015-03-20 09:21 -0700
            Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 17:53 +0100
        Re: More trouble with strtoul glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-03-20 17:23 +0000
          Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 18:25 +0100
          Re: More trouble with strtoul Keith Thompson <kst-u@mib.org> - 2015-03-20 10:35 -0700
            Re: More trouble with strtoul Ian Collins <ian-news@hotmail.com> - 2015-03-21 08:52 +1300
              Re: More trouble with strtoul Keith Thompson <kst-u@mib.org> - 2015-03-20 13:41 -0700
      Re: More trouble with strtoul Ian Collins <ian-news@hotmail.com> - 2015-03-21 08:45 +1300
        Re: More trouble with strtoul Ian Collins <ian-news@hotmail.com> - 2015-03-21 08:47 +1300
        Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 21:16 +0100
          Re: More trouble with strtoul Ian Collins <ian-news@hotmail.com> - 2015-03-21 09:33 +1300
      Re: More trouble with strtoul Kaz Kylheku <kaz@kylheku.com> - 2015-03-20 20:05 +0000
      Re: More trouble with strtoul Melzzzzz <mel@zzzzz.com> - 2015-03-20 21:55 +0100
        Re: More trouble with strtoul Ian Collins <ian-news@hotmail.com> - 2015-03-21 11:13 +1300
          Re: More trouble with strtoul Melzzzzz <mel@zzzzz.com> - 2015-03-20 23:41 +0100
            Re: More trouble with strtoul Keith Thompson <kst-u@mib.org> - 2015-03-20 16:27 -0700
              Re: More trouble with strtoul Melzzzzz <mel@zzzzz.com> - 2015-03-21 01:47 +0100
          Re: More trouble with strtoul Richard Heathfield <rjh@cpax.org.uk> - 2015-03-21 02:03 +0000
            Re: More trouble with strtoul Ian Collins <ian-news@hotmail.com> - 2015-03-21 15:13 +1300
              Re: More trouble with strtoul Melzzzzz <mel@zzzzz.com> - 2015-03-21 03:22 +0100
              Re: More trouble with strtoul Richard Heathfield <rjh@cpax.org.uk> - 2015-03-21 02:25 +0000
  Re: More trouble with strtoul Lőrinczy Zsigmond <zsiga@nospam.for.me> - 2015-03-20 10:11 +0100
    Re: More trouble with strtoul Robert Wessel <robertwessel2@yahoo.com> - 2015-03-20 06:13 -0500
  Re: More trouble with strtoul Keith Thompson <kst-u@mib.org> - 2015-03-20 09:05 -0700
    Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 17:35 +0100
      Re: More trouble with strtoul Keith Thompson <kst-u@mib.org> - 2015-03-20 10:56 -0700
        Re: More trouble with strtoul Robert Wessel <robertwessel2@yahoo.com> - 2015-03-20 15:31 -0500
  Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 18:28 +0100
    Re: More trouble with strtoul Ian Collins <ian-news@hotmail.com> - 2015-03-21 09:01 +1300
      Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 21:12 +0100
        Re: More trouble with strtoul Kaz Kylheku <kaz@kylheku.com> - 2015-03-20 20:21 +0000
        Re: More trouble with strtoul Ian Collins <ian-news@hotmail.com> - 2015-03-21 09:36 +1300
        Re: More trouble with strtoul Robert Wessel <robertwessel2@yahoo.com> - 2015-03-20 15:47 -0500
          Re: More trouble with strtoul Kaz Kylheku <kaz@kylheku.com> - 2015-03-20 21:20 +0000
            Re: More trouble with strtoul Robert Wessel <robertwessel2@yahoo.com> - 2015-03-21 00:24 -0500
          Re: More trouble with strtoul jacob navia <jacob@jacob.remcomp.fr> - 2015-03-20 23:04 +0100
      Re: More trouble with strtoul Keith Thompson <kst-u@mib.org> - 2015-03-20 13:41 -0700
  Re: More trouble with strtoul raltbos@xs4all.nl (Richard Bos) - 2015-03-21 22:49 +0000
    Re: More trouble with strtoul Keith Thompson <kst-u@mib.org> - 2015-03-21 16:17 -0700
      Re: More trouble with strtoul Tim Rentsch <txr@alumni.caltech.edu> - 2015-03-24 12:01 -0700

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