core,w32: Add UTF-8 support to gpgrt_fopen, gpgrt_mkdir and gpgrt_chdir.
* src/protos.h: New. * src/Makefile.am (libgpg_error_la_SOURCES): Add file. * src/gpgrt-int.h: Include protos.h. * src/sysutils.c (_gpgrt_mkdir) [W32]: Make UTF-8 aware. (_gpgrt_chdir) [W32]: Ditto. * src/w32-gettext.c: Include protos.h. (utf8_to_wchar): Allow for strings. (_gpgrt_utf8_to_wchar): New. (_gpgrt_free_wchar): New. * src/estream.c (map_w32_to_errno): Add more error codes. (_gpgrt_w32_set_errno): New. (any8bitchar) [W32]: New helper. (func_file_create) [W32]: Convert file name and use _wopen.
- GnuPG-bug-id: T4083
- Signed-off-by: Werner Koch <wk@gnupg.org>