Re: Question about glibmm/Glib::ustring::format

["Waitman Gobble" <uzimac da3m0n8t3r com>]

On Sun, February 9, 2014 6:15 am, Waitman Gobble wrote:
>

> On Sun, February 9, 2014 12:47 pm, Andrew Potter wrote:
>
> > On Sun, Feb 9, 2014 at 4:14 AM, Waitman Gobble <uzimac da3m0n8t3r com>
> > wrote:
> >
> >
> > > Program received signal SIGABRT, Aborted.
> > > [Switching to Thread 803006400 (LWP 100327)]
> > > 0x0000000801e313ba in kill () from /lib/libc.so.7
> > > (gdb) bt
> > > #0  0x0000000801e313ba in kill () from /lib/libc.so.7
> > > #1  0x0000000801e30069 in abort () from /lib/libc.so.7
> > > #2  0x00000008016ce7da in ?? () from /lib/libcxxrt.so.1
> > > #3  0x000000080085de68 in Glib::ConvertError::throw_func(_GError*) ()
> > > from /usr/local/lib/libglibmm-2.4.so.1 #4  0x000000080086ed2f in
> > > Glib::Error::throw_exception(_GError*) ()
> > > from /usr/local/lib/libglibmm-2.4.so.1 #5  0x000000080087bcc2 in
> > > Glib::ustring::FormatStream::to_string() const ()
> > > from /usr/local/lib/libglibmm-2.4.so.1 #6  0x0000000000401de0 in
> > > Glib::ustring::format<std::__1::ios_base&
> > > (std::__1::ios_base&), std::__1::__iom_t5, double>(std::__1::ios_base&
> > > (
> > > const&)(std::__1::ios_base&), std::__1::__iom_t5 const&, double
> > > const&) ( a1= 0x401e50: {std::__1::ios_base &(std::__1::ios_base &)}
> > > 0x401e50
> > > <std::__1::fixed(std::__1::ios_base&)>, a2=..., a3= 0x7fffffffd860:
> > > 3.1428571428571428)
> > > at /usr/local/include/glibmm-2.4/glibmm/ustring.h:1158 #7
> > > 0x0000000000401696 in main () at testglib.cpp:9
> > > (gdb)
> >
> > The code works fine for me, but I'm on Linux.
> > FormatStream::to_string() has plenty of #ifdefs so its not entirely
> > obvious what's happening.
> >
> > Can you catch the exception and print out the Glib::Error::what() ?
> >
> >
> >
> > Thanks.
> > _______________________________________________
> > gtkmm-list mailing list gtkmm-list gnome org
> > https://mail.gnome.org/mailman/listinfo/gtkmm-list
>
> Thanks Andrew, that helps. I'm no c++ ace.
>
>
> #include <iostream>
> #include <iomanip>
> #include <glibmm.h>
> #include <glib.h>
>
>
> int main() {
>
> double value = 22.0 / 7.0; std::cout << value << std::endl;
>
>
> try { Glib::ustring test =
> Glib::ustring::format(std::fixed,std::setprecision(2),value);
> } catch (Glib::Error e) {
> std::cout << "oops " << e.what() << std::endl;
> }
>
>
> }
>
>
>
>
> # clang++ -o testglib `pkg-config --cflags --libs gtkmm-2.4` testglib.cpp
>
>
> /testglib
> 3.14286
> oops Could not open converter from 'WCHAR_T' to 'UTF-8'
>
> Thank you,
>
>
>
> --
> Waitman Gobble
> San Jose California USA
> +1.510-830-7975
>
>
>
> --
> Waitman Gobble
> San Jose California USA
> +1.510-830-7975
>
>
> _______________________________________________
> gtkmm-list mailing list gtkmm-list gnome org
> https://mail.gnome.org/mailman/listinfo/gtkmm-list

I believe this program is fixed by changing the 'USES' line in the glib20
port Makefile on FreeBSD.. add wchar_t

USES=gettext gmake iconv:wchar_t pathfix pkgconfig shebangfix perl5

seems to solve the problem,

Thanks for your help tracking this down.



-- 
Waitman Gobble
San Jose California USA
+1.510-830-7975


-- 
Waitman Gobble
San Jose California USA
(510) 830-7975