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| From | Michael S <already5chosen@yahoo.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: function declaration without args no longer works |
| Date | 2026-04-26 17:50 +0300 |
| Organization | A noiseless patient Spider |
| Message-ID | <20260426175044.000062ff@yahoo.com> (permalink) |
| References | <10sl5na$5ov$1@reader1.panix.com> |
On Sun, 26 Apr 2026 13:59:06 -0000 (UTC)
John Forkosh <forkosh@panix.com> wrote:
> New slackware install with gcc --version 15.2.0 throws
> errors like
> typer.c:9:3: error: too many arguments to function typer; expected
> 0, have 1 9 | typer(input);
> | ^~~~~ ~~~~~
> when compiling a program that used to compile without warnings
> (even when using --pedantic) on earlier versions.
>
> Here's a "minimum working example"...
>
> #include <stdio.h>
> int main ( int argc, char *argv[] ) {
> char *input = (argc<2? "no input" : argv[1]);
> #if defined(WORKS)
> int typer(char *);
> #else
> int typer();
> #endif
> typer(input);
> return(0); }
> int typer ( char *input ) {
> printf("Your input was: %s\n",input);
> return(0); }
>
> Note that typer() takes one char * arg,
> but is declared as int typer() in main()
> with no args when compiled as gcc typer.c -o typer
> And that worked fine on earlier gcc versions.
> But now it throws those errors.
> However, when compiled as gcc -DWORKS typer.c -o typer
> which declares int typer(char *) with its arg,
> then it works, of course.
>
> I've got lots of code that declares functions
> without their args, and that compiled fine for
> years and years, but now throws those errors.
> Is there some gcc -switch (or --switch or whatever)
> that will ignore that "error" without rewriting
> anything? Thanks,
-std=gnu17 will compile your case while retaining majority of modern
language extensions.
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function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-26 13:59 +0000
Re: function declaration without args no longer works Michael Bäuerle <michael.baeuerle@gmx.net> - 2026-04-26 16:24 +0200
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-26 16:29 +0000
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-05-04 19:36 +0000
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-05 00:15 -0700
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-05-05 09:10 +0000
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-05-05 11:17 +0200
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-05-05 11:07 +0000
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-05-05 02:24 -0700
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-05-05 11:20 +0000
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-05 18:09 +0000
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-05-07 12:52 +0000
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-07 14:51 +0000
Re: function declaration without args no longer works Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-06 11:41 +0200
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-05 10:03 -0700
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-05-07 12:35 +0000
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-05-08 07:36 -0700
Re: function declaration without args no longer works richard@cogsci.ed.ac.uk (Richard Tobin) - 2026-04-26 14:32 +0000
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-26 16:35 +0000
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-04-29 16:43 -0700
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-30 08:39 +0200
Re: function declaration without args no longer works Michael S <already5chosen@yahoo.com> - 2026-04-26 17:50 +0300
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-26 16:39 +0000
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-27 00:30 +0000
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-27 08:30 +0200
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-28 07:02 +0000
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-28 10:16 +0200
Re: function declaration without args no longer works antispam@fricas.org (Waldek Hebisch) - 2026-04-28 15:33 +0000
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-28 20:24 +0200
Re: function declaration without args no longer works antispam@fricas.org (Waldek Hebisch) - 2026-04-28 20:22 +0000
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-29 06:22 +0000
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-29 09:15 +0200
Re: function declaration without args no longer works Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-04-29 10:06 +0200
Re: function declaration without args no longer works Michael S <already5chosen@yahoo.com> - 2026-04-29 11:25 +0300
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-29 11:26 +0200
Re: function declaration without args no longer works James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-04-29 20:07 -0400
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-30 00:14 +0000
Re: function declaration without args no longer works "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-04-29 17:57 -0700
Re: function declaration without args no longer works Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-04-30 03:09 +0200
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-04-30 00:48 -0700
Re: function declaration without args no longer works "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-04-30 20:18 -0700
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-01 04:12 +0000
Re: function declaration without args no longer works "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-04-30 23:29 -0700
Re: function declaration without args no longer works Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-05-01 19:31 +0200
Re: function declaration without args no longer works James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-01 13:49 -0400
Re: function declaration without args no longer works "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-01 12:49 -0700
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-01 22:31 +0000
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-02 00:13 +0000
Re: function declaration without args no longer works "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-01 19:27 -0700
Re: function declaration without args no longer works "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-05-01 19:28 -0700
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-05-02 03:07 +0000
Re: function declaration without args no longer works scott@slp53.sl.home (Scott Lurndal) - 2026-05-02 16:16 +0000
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-30 01:39 +0000
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-04-30 00:38 -0700
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-30 03:07 -0700
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-04-30 05:54 -0700
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-30 14:32 -0700
Re: function declaration without args no longer works James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-04-30 09:45 -0400
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-04-30 12:48 -0700
Re: function declaration without args no longer works Bart <bc@freeuk.com> - 2026-04-29 11:05 +0100
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-04-29 16:32 -0700
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-04-30 01:22 -0700
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-29 10:42 +0000
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-29 14:31 -0700
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-30 08:42 +0200
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-30 13:17 +0000
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-30 14:40 -0700
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-30 22:14 +0000
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-04-29 18:55 +0000
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-29 21:19 +0000
Re: function declaration without args no longer works Tim Rentsch <tr.17687@z991.linuxsc.com> - 2026-04-29 16:46 -0700
Re: function declaration without args no longer works Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-04-28 14:25 +0200
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-04-28 13:13 +0000
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-28 15:48 +0200
Re: function declaration without args no longer works Bart <bc@freeuk.com> - 2026-04-28 15:05 +0100
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-28 16:37 +0200
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-28 14:02 -0700
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-29 09:29 +0200
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-29 02:49 -0700
Re: function declaration without args no longer works James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-04-29 20:06 -0400
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-29 17:13 -0700
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-30 00:45 +0000
Re: function declaration without args no longer works James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-04-29 21:11 -0400
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-30 01:40 +0000
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-29 20:09 -0700
Re: function declaration without args no longer works scott@slp53.sl.home (Scott Lurndal) - 2026-04-30 14:57 +0000
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-04-30 15:07 +0000
Re: function declaration without args no longer works Bart <bc@freeuk.com> - 2026-04-30 16:20 +0100
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-04-30 16:10 +0000
Re: function declaration without args no longer works Bart <bc@freeuk.com> - 2026-04-30 17:48 +0100
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-30 22:31 +0200
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-30 22:18 +0000
Re: function declaration without args no longer works Bart <bc@freeuk.com> - 2026-05-01 00:25 +0100
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-01 00:08 +0000
Re: function declaration without args no longer works Bart <bc@freeuk.com> - 2026-05-01 01:24 +0100
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-30 17:46 -0700
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-01 01:55 +0000
Re: function declaration without args no longer works Bart <bc@freeuk.com> - 2026-05-01 10:48 +0100
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-05-01 11:20 +0000
Re: function declaration without args no longer works "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-04-30 20:23 -0700
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-05-01 10:32 +0200
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-30 14:43 -0700
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-04-30 22:34 +0000
Re: function declaration without args no longer works James Kuyper <jameskuyper@alumni.caltech.edu> - 2026-05-01 13:32 -0400
Re: function declaration without args no longer works scott@slp53.sl.home (Scott Lurndal) - 2026-05-01 18:12 +0000
Re: function declaration without args no longer works Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-04-30 03:50 +0200
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-30 08:52 +0200
Re: function declaration without args no longer works "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2026-04-28 14:56 -0700
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-28 15:41 -0700
Re: function declaration without args no longer works Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-04-29 21:20 +0000
Re: function declaration without args no longer works Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-04-28 17:14 +0200
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-28 17:31 +0200
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-04-28 19:06 +0000
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-28 21:44 +0200
Re: function declaration without args no longer works Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2026-04-28 17:06 +0200
Re: function declaration without args no longer works cross@spitfire.i.gajendra.net (Dan Cross) - 2026-04-28 19:23 +0000
Re: function declaration without args no longer works David Brown <david.brown@hesbynett.no> - 2026-04-26 17:35 +0200
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-26 16:50 +0000
Re: function declaration without args no longer works Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2026-04-26 15:52 -0700
Re: function declaration without args no longer works Andrey Tarasevich <noone@noone.net> - 2026-04-26 08:38 -0700
Re: function declaration without args no longer works John Forkosh <forkosh@panix.com> - 2026-04-26 16:56 +0000
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