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9ce5071a3d
1998-04-21 19:05 Ulrich Drepper <drepper@cygnus.com> * iconv/gconv.h (struct gconv_step): Add element stateful. * iconv/gconv_builtin.c (__gconv_builtin_trans): Initialize stateful to zero for all internal conversions. * iconv/skeleton.c: Initialize stateful depending on whether or not RESET_STATE is defined to one or zero respectively. * stdlib/mblen.c: Use stateful element of currently selected converter for result if S is NULL. * stdlib/mbtowc.c: Likewise. * stdlib/wctomb.c: Likewise.
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/* Table for builtin transformation mapping.
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Copyright (C) 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@cygnus.com>, 1997.
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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 <limits.h>
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#include <string.h>
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#include <gconv_int.h>
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#include <assert.h>
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static struct builtin_map
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{
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const char *name;
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gconv_fct fct;
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gconv_init_fct init;
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gconv_end_fct end;
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int min_needed_from;
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int max_needed_from;
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int min_needed_to;
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int max_needed_to;
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} map[] =
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{
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#define BUILTIN_TRANSFORMATION(From, ConstPfx, ConstLen, To, Cost, Name, \
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Fct, Init, End, MinF, MaxF, MinT, MaxT) \
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{ \
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name: Name, \
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fct: Fct, \
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init: Init, \
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end: End, \
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\
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min_needed_from: MinF, \
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max_needed_from: MaxF, \
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min_needed_to: MinT, \
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max_needed_to: MaxT \
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},
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#define BUILTIN_ALIAS(From, To)
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#include <gconv_builtin.h>
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};
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void
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internal_function
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__gconv_get_builtin_trans (const char *name, struct gconv_step *step)
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{
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size_t cnt;
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for (cnt = 0; cnt < sizeof (map) / sizeof (map[0]); ++cnt)
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if (strcmp (name, map[cnt].name) == 0)
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break;
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assert (cnt < sizeof (map) / sizeof (map[0]));
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step->fct = map[cnt].fct;
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step->init_fct = map[cnt].init;
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step->end_fct = map[cnt].end;
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step->counter = INT_MAX;
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step->shlib_handle = NULL;
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step->min_needed_from = map[cnt].min_needed_from;
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step->max_needed_from = map[cnt].max_needed_from;
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step->min_needed_to = map[cnt].min_needed_to;
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step->max_needed_to = map[cnt].max_needed_to;
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/* None of the builtin converters handles stateful encoding. */
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step->stateful = 0;
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}
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