Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.c > #389746

Re: Something like string-streams existing in "C"?

Show all headers | View raw

On Thu, 19 Dec 2024 19:47:28 -0000 (UTC)
Kaz Kylheku <643-408-1753@kylheku.com> wrote:

> On 2024-12-19, BlueManedHawk <bluemanedhawk@invalid.invalid> wrote:
> > The ‘asprintf’ subroutine is standardized by POSIX.1-2024, meaning
> > that you can use it now and blame somebody else if it doesn't work.
> >  If you   
> 
> Regardless of how it is made visible, you can detect it via a compile
> test in a configure script, and provide your own if it wasn't found:
> 
> #if !HAVE_ASPRINTF
> 
> int asprintf(char **out, const char *fmt, ...)
> {
>   ... // more or less trivial to implement using malloc, realloc and
>   vsprintf

Don't you mean, vsnprintf ?


> }
> 
> #endif
> 
> BTW, is there no wchar_t version of this?
> 
> > can't target POSIX, the subroutine is also _theoretically_
> > available through the feature-test macro ‘__STDC_WANT_LIB_EXT2__’,
> > assuming that ‘__STDC_ALLOC_LIB__’ is a predefined macro, but gLibC
> > does not pay   
> 
> When would it be the case that you can't target POSIX, but *can* mess
> around with some the internal feature test macros of some specific
> POSIX vendor? :)
> 
> 

Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Something like string-streams existing in "C"? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-12-19 02:30 +0100
  Re: Something like string-streams existing in "C"? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-12-18 18:14 -0800
  Re: Something like string-streams existing in "C"? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-12-19 04:41 +0000
  Re: Something like string-streams existing in "C"? BlueManedHawk <bluemanedhawk@invalid.invalid> - 2024-12-19 08:32 -0500
    Re: Something like string-streams existing in "C"? Kaz Kylheku <643-408-1753@kylheku.com> - 2024-12-19 19:47 +0000
      Re: Something like string-streams existing in "C"? Michael S <already5chosen@yahoo.com> - 2024-12-19 22:04 +0200
        Re: Something like string-streams existing in "C"? Kaz Kylheku <643-408-1753@kylheku.com> - 2024-12-19 22:06 +0000
          Re: Something like string-streams existing in "C"? Thiago Adams <thiago.adams@gmail.com> - 2024-12-19 23:14 -0300
            Re: Something like string-streams existing in "C"? Michael S <already5chosen@yahoo.com> - 2024-12-20 13:00 +0200
              Re: Something like string-streams existing in "C"? Thiago Adams <thiago.adams@gmail.com> - 2024-12-20 08:32 -0300
                Re: Something like string-streams existing in "C"? Michael S <already5chosen@yahoo.com> - 2024-12-20 14:55 +0200
                Re: Something like string-streams existing in "C"? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-12-20 20:39 +0000
              Re: Something like string-streams existing in "C"? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-12-20 10:45 -0800
          Re: Something like string-streams existing in "C"? Michael S <already5chosen@yahoo.com> - 2024-12-20 12:38 +0200
  Re: Something like string-streams existing in "C"? scott@slp53.sl.home (Scott Lurndal) - 2024-12-19 13:53 +0000
  Re: Something like string-streams existing in "C"? Janis Papanagnou <janis_papanagnou+ng@hotmail.com> - 2024-12-20 03:56 +0100

csiph-web