2ad4fab214
1998-04-08 20:06 Ulrich Drepper <drepper@cygnus.com> * iconv/gconv_conf.c (__gconv_read_conf): Use __realpath not realpath. * iconv/gconv_db.c: Use __ protected regex functions. * iconv/gconv_simple.c: Use __mbsinit not mbsinit. * posix/getopt_init.c: Use __getpid not getpid. * posix/regex.c: Rename all global functions to start with __ and make old names weak aliases. * posix/regex.h: Adopt prototypes for this. * stdlib/canonicalize.c: Define __realpath, make canonicalize_file_name a weak alias and use __getcwd instead of getcwd. * stdlib/stdlib.h: Declare __realpath and __canonicalize_file_name. * stdlib/strtod.c: Use __btowc instead of btowc. * stdlib/strtol.c: Likewise. * sysdeps/libm-ieee754/s_matherr.c: Weaken definition of matherr. * sysdeps/unix/sysv/linux/errlist.c: Make sure definitions of sys_nerr and sys_errlist are weak. * wcsmbs/btowc.c: Define function as __btowc and make btowc weak alias. * wcsmbs/mbrtowc.c: Use __mbsinit not mbsinit. * wcsmbs/mbsnrtowcs.c: Likewise. * wcsmbs/mbsrtowcs.c: Likewise. * wcsmbs/wcsnrtombs.c: Likewise. * wcsmbs/wcsrtombs.c: Likewise. * wcsmbs/mbsinit.c: Define function as __mbsinit and make mbsinit weak alias. * wcsmbs/wchar.h: Declare __btowc and __mbsinit. * wctype/wctype.c: Define function as __wctype and make wctype weak alias. * wctype/wctype.h: Declare __wctype.
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <gconv.h>
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#include <stdio.h>
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#include <string.h>
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#include <wchar.h>
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#include <wcsmbsload.h>
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wint_t
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__btowc (c)
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int c;
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{
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char buf[sizeof (wchar_t)];
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struct gconv_step_data data;
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char inbuf[1];
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size_t inbytes;
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size_t converted;
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int status;
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/* If the parameter does not fit into one byte or it is the EOF value
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we can give the answer now. */
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if (c < -128 || c > 127 || c == EOF)
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return WEOF;
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/* Tell where we want the result. */
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data.outbuf = (char *) buf;
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data.outbufavail = 0;
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data.outbufsize = sizeof (wchar_t);
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data.is_last = 1;
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data.statep = &data.__state;
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/* Make sure we start in the initial state. */
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memset (&data.__state, '\0', sizeof (mbstate_t));
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/* Make sure we use the correct function. */
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update_conversion_ptrs ();
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/* Create the input string. */
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inbuf[0] = c;
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inbytes = 1;
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status = (*__wcsmbs_gconv_fcts.towc->fct) (__wcsmbs_gconv_fcts.towc,
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&data, inbuf, &inbytes,
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&converted, 0);
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/* The conversion failed. */
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if (status != GCONV_OK && status != GCONV_FULL_OUTPUT
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&& status != GCONV_EMPTY_INPUT)
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return WEOF;
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return *(wchar_t *)buf;
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}
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weak_alias (__btowc, btowc)
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