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1999-07-28 Ulrich Drepper <drepper@cygnus.com> * stdlib/mblen.c: Use static state. Reported by Bruno Haible <haible@ilog.fr>. * stdlib/mbtowc.c: Reset state for s == NULL. * stdlib/wctomb.c: Likewise. Reported by Bruno Haible <haible@ilog.fr>. * stdlib/mbstowcs.c: Do not use global state. Reported by Bruno Haible <haible@ilog.fr>.
41 lines
1.6 KiB
C
41 lines
1.6 KiB
C
/* Copyright (C) 1991, 1992, 1996, 1997, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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/* Convert the string of multibyte characters in S to `wchar_t's in
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PWCS, writing no more than N. Return the number written,
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or (size_t) -1 if an invalid multibyte character is encountered.
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Attention: this function should NEVER be intentionally used.
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The interface is completely stupid. The state is shared between
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all conversion functions. You should use instead the restartable
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version `mbsrtowcs'. */
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size_t
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mbstowcs (wchar_t *pwcs, const char *s, size_t n)
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{
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mbstate_t state;
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memset (&state, '\0', sizeof state);
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/* Return how many we wrote (or maybe an error). */
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return __mbsrtowcs (pwcs, &s, n, &state);
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}
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