/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 1996. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include int wctob (c) wint_t c; { char buf[MB_LEN_MAX]; struct __gconv_step_data data; wchar_t inbuf[1]; wchar_t *inptr = inbuf; size_t dummy; int status; /* Tell where we want the result. */ data.__outbuf = buf; data.__outbufend = buf + MB_LEN_MAX; data.__invocation_counter = 0; data.__internal_use = 1; data.__flags = __GCONV_IS_LAST; data.__statep = &data.__state; memset (&data.__trans, '\0', sizeof (struct __gconv_trans_data)); /* Make sure we start in the initial state. */ memset (&data.__state, '\0', sizeof (mbstate_t)); /* Make sure we use the correct function. */ update_conversion_ptrs (); /* Create the input string. */ inbuf[0] = c; status = DL_CALL_FCT (__wcsmbs_gconv_fcts.tomb->__fct, (__wcsmbs_gconv_fcts.tomb, &data, (const unsigned char **) &inptr, (const unsigned char *) &inbuf[1], NULL, &dummy, 0, 1)); /* The conversion failed or the output is too long. */ if ((status != __GCONV_OK && status != __GCONV_FULL_OUTPUT && status != __GCONV_EMPTY_INPUT) || data.__outbuf != (unsigned char *) (buf + 1)) return EOF; return (unsigned char) buf[0]; }