glibc/wcsmbs/wcsmbsload.h

81 lines
2.6 KiB
C

/* Copyright (C) 1998-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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/>. */
#ifndef _WCSMBSLOAD_H
#define _WCSMBSLOAD_H 1
#include <locale.h>
#include <wchar.h>
#include <locale/localeinfo.h>
/* Contains pointers to the used functions in the `gconv' modules. */
struct gconv_fcts
{
struct __gconv_step *towc;
size_t towc_nsteps;
struct __gconv_step *tomb;
size_t tomb_nsteps;
};
/* Set of currently active conversion functions. */
extern const struct gconv_fcts __wcsmbs_gconv_fcts_c attribute_hidden;
/* Load conversion functions for the currently selected locale. */
extern void __wcsmbs_load_conv (struct __locale_data *new_category)
internal_function;
/* Clone the current `__wcsmbs_load_conv' value. */
extern void __wcsmbs_clone_conv (struct gconv_fcts *copy)
internal_function;
/* Find the conversion functions for converting to and from NAME. */
extern int __wcsmbs_named_conv (struct gconv_fcts *copy, const char *name)
internal_function;
/* Function used for the `private.cleanup' hook. */
extern void _nl_cleanup_ctype (struct __locale_data *)
internal_function attribute_hidden;
#include <iconv/gconv_int.h>
/* Load the function implementation if necessary. */
extern struct __gconv_step *__wcsmbs_getfct (const char *to, const char *from,
size_t *nstepsp)
attribute_hidden;
extern const struct __locale_data _nl_C_LC_CTYPE attribute_hidden;
/* Check whether the LC_CTYPE locale changed since the last call.
Update the pointers appropriately. */
static inline const struct gconv_fcts *
get_gconv_fcts (struct __locale_data *data)
{
if (__builtin_expect (data->private.ctype == NULL, 0))
{
if (__builtin_expect (data == &_nl_C_LC_CTYPE, 0))
return &__wcsmbs_gconv_fcts_c;
__wcsmbs_load_conv (data);
}
return data->private.ctype;
}
#endif /* wcsmbsload.h */