mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
ba7b4d294b
Prior to the 2.20 release, the function was just changed to fail
unconditionally, in commit a1a6a401ab.
This commit removes the function completely, including gconv bits
which depend on it.
This changes the gconv ABI, which is not a public interface.
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/* Copyright (C) 1996-2014 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>, 1996.
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <dlfcn.h>
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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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#include <sysdep.h>
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int
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wctob (c)
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wint_t c;
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{
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unsigned char buf[MB_LEN_MAX];
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struct __gconv_step_data data;
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wchar_t inbuf[1];
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wchar_t *inptr = inbuf;
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size_t dummy;
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int status;
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const struct gconv_fcts *fcts;
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if (c == WEOF)
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return EOF;
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/* We know that only ASCII compatible encodings are used for the
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locale and that the wide character encoding is ISO 10646. */
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if (c >= L'\0' && c <= L'\x7f')
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return (int) c;
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/* Tell where we want the result. */
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data.__outbuf = buf;
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data.__outbufend = buf + MB_LEN_MAX;
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data.__invocation_counter = 0;
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data.__internal_use = 1;
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data.__flags = __GCONV_IS_LAST;
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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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/* Get the conversion functions. */
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fcts = get_gconv_fcts (_NL_CURRENT_DATA (LC_CTYPE));
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/* Create the input string. */
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inbuf[0] = c;
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const unsigned char *argptr = (const unsigned char *) inptr;
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__gconv_fct fct = fcts->tomb->__fct;
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#ifdef PTR_DEMANGLE
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if (fcts->tomb->__shlib_handle != NULL)
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PTR_DEMANGLE (fct);
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#endif
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status = DL_CALL_FCT (fct,
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(fcts->tomb, &data, &argptr,
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argptr + sizeof (inbuf[0]), NULL, &dummy, 0, 1));
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/* The conversion failed or the output is too long. */
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if ((status != __GCONV_OK && status != __GCONV_FULL_OUTPUT
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&& status != __GCONV_EMPTY_INPUT)
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|| data.__outbuf != (unsigned char *) (buf + 1))
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return EOF;
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return buf[0];
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}
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