On Wednesday 10 September 2014 7:37:28 PM Geert Janssens wrote:
> Hi,
>
> I'm stuck on the following issue. Program is GnuCash on Windows.
>
> Consider the following code snippet:
>
> struct stat statbuf;
> gchar* dirname = g_strdup(g_getenv("GNC_DOTGNUCASH_DIR");
> gint rc = g_stat (dirname, &statbuf);
>
> switch (errno)
> {
> case ENOENT:
> // Directory doesn't exist
> // Here is code to create it which I cut for brevity
> break;
>
> case EACCES:
> // Directory can't be accessed
> exit(1);
>
> case ENOTDIR:
> // Not a directory
> exit(1);
>
> default:
> // Unknown error
> exit(1);
> }
>
> // Continue code with valid, existing directory
> ...
>
> So this snippet reads the value of environment variable GNC_DOTGNUCASH_DIR
> and tests
> whether this is a valid directory.
>
> This works fine when GNC_DOTGNUCASH_DIR uses a limited character set like
> ascii. For
> example when set to "c:\gcdev\geert" this works well and the code continues.
>
> However if set to for example:
> c:\gcdev\Łukasz
> Things go wrong (note the unusual Ł).
>
> In this case the code branches into case ENOENT and creates a directory named
> c:\gcdev\Lukasz (note the plain L now)
> Before it continues.
>
> Setting a breakpoint at rc=g_stat... and examining the value of dirname at
> that point also
> shows it to have a value of c:\gcdev\Lukasz (with plain L).
>
> So it seems I'm losing diacritical information here and I can't pass the
> right directory to my code
> to use.
>
> What should I do to get the real value from the environment to be able to
> access the true
> directory ?
>
> Thanks,
>
> Geert
>
> P.S. my locale settings are all "Dutch_Belgium.1252" except for LC_ALL which
> is empty.
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Well gchar is a typedef for char so it only supports ascii. I think you'll
probably have to use
Win32 API calls on Windows to access multibyte file names.
Also according to the documentation you should use GStatBuf instead of struct
stat on
Windows to get consistent behaviour on different compilers.
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