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2000-06-27 Ulrich Drepper <drepper@redhat.com> * wctype/towctrans.c (__towctrans): Be graceful and accept error return values from the wctrans function.
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Map wide character using given mapping.
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Copyright (C) 1996, 1997, 2000 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 <wctype.h>
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/* Define the lookup function. */
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#include "cname-lookup.h"
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wint_t
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__towctrans (wint_t wc, wctrans_t desc)
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{
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size_t idx;
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/* If the user passes in an invalid DESC valid (the one returned from
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`wctrans' in case of an error) simply return the value. */
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if (desc == (wctrans_t) 0)
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return wc;
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idx = cname_lookup (wc);
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if (idx == ~((size_t) 0))
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/* Character is not known. Default action is to simply return it. */
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return wc;
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return (wint_t) desc[idx];
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}
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weak_alias (__towctrans, towctrans)
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