[Flac-dev] reading vorbis comments with FLAC++?
xflac at yahoo.com
Tue Jan 25 12:46:25 PST 2005
--- Josh Coalson <xflac at yahoo.com> wrote:
> --- Joshua Kwan <joshk at triplehelix.org> wrote:
> > On Mon, Nov 17, 2003 at 11:10:58AM -0800, Josh Coalson wrote:
> > > > but there's still junk on the char* i get back from
> > > > get_field_value().
> > >
> > > there's no terminating null for these routines either, they
> > > are returning the unterminated UTF-8 buffer just like the C
> > > API.
> > OK. I assumed that stuff passed back to the user as char* would
> > been made to behave like a normal C string.
> > > it's hard to do that without dealing with encodings right in the
> > > metadata API.
> > What about making them return wchar_t* and thus IMPLYING to the
> > that they have to do something about character conversion?
> wchar_t still means converting to ucs-2 in the metadata library.
> that's not nearly as bad as dealing with multiple encodings, but
> it's independent of the question of whether or not to null-
> terminate. returning char* or wchar_t* don't in and of themselves
> imply that you're getting a null-terminated C string.
forgot to mention, a few weeks back I checked in changes to
the metadata APIs so that trailing NULs are maintained everywhere.
i.e. any Vorbis comment entry, name, or value string returned
from the library will always have a terminating NUL, and entries/
values/strings passed in without terminating NULs will have them
added internally by the library.
note that the trailing NULs are not stored in the actual stream,
they are just a programming convenience for dealing with comments
whose semantics are NUL-terminated.
this will be in the upcoming release. more info in the changelog:
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