glibc/iconv/gconv_builtin.c

87 lines
2.4 KiB
C

/* Table for builtin transformation mapping.
Copyright (C) 1997-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <endian.h>
#include <limits.h>
#include <stdint.h>
#include <string.h>
#include <gconv_int.h>
#include <assert.h>
static const struct builtin_map
{
const char *name;
__gconv_fct fct;
__gconv_btowc_fct btowc_fct;
int8_t min_needed_from;
int8_t max_needed_from;
int8_t min_needed_to;
int8_t max_needed_to;
} map[] =
{
#define BUILTIN_TRANSFORMATION(From, To, Cost, Name, Fct, BtowcFct, \
MinF, MaxF, MinT, MaxT) \
{ \
.name = Name, \
.fct = Fct, \
.btowc_fct = BtowcFct, \
\
.min_needed_from = MinF, \
.max_needed_from = MaxF, \
.min_needed_to = MinT, \
.max_needed_to = MaxT \
},
#define BUILTIN_ALIAS(From, To)
#include <gconv_builtin.h>
};
void
__gconv_get_builtin_trans (const char *name, struct __gconv_step *step)
{
size_t cnt;
for (cnt = 0; cnt < sizeof (map) / sizeof (map[0]); ++cnt)
if (strcmp (name, map[cnt].name) == 0)
break;
assert (cnt < sizeof (map) / sizeof (map[0]));
step->__fct = map[cnt].fct;
step->__btowc_fct = map[cnt].btowc_fct;
step->__init_fct = NULL;
step->__end_fct = NULL;
step->__shlib_handle = NULL;
step->__modname = NULL;
step->__min_needed_from = map[cnt].min_needed_from;
step->__max_needed_from = map[cnt].max_needed_from;
step->__min_needed_to = map[cnt].min_needed_to;
step->__max_needed_to = map[cnt].max_needed_to;
/* None of the builtin converters handles stateful encoding. */
step->__stateful = 0;
}