1 /* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, write to the Free 17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 18 02111-1307 USA. */ 19 20 #include <locale.h> 21 #include <wchar.h> 22 #include <locale/localeinfo.h> 23 24 25 /* Contains pointers to the used functions in the `gconv' modules. */ 26 struct gconv_fcts 27 { 28 struct __gconv_step *towc; 29 size_t towc_nsteps; 30 struct __gconv_step *tomb; 31 size_t tomb_nsteps; 32 }; 33 34 /* Set of currently active conversion functions. */ 35 extern struct gconv_fcts __wcsmbs_gconv_fcts; 36 37 38 /* Last loaded locale for LC_CTYPE. */ 39 extern const struct locale_data *__wcsmbs_last_locale; 40 41 42 /* Load conversion functions for the currently selected locale. */ 43 extern void __wcsmbs_load_conv (const struct locale_data *new_category) 44 internal_function; 45 46 /* Clone the current `__wcsmbs_load_conv' value. */ 47 extern void __wcsmbs_clone_conv (struct gconv_fcts *copy) 48 internal_function; 49 50 /* Find the conversion functions for converting to and from NAME. */ 51 extern int __wcsmbs_named_conv (struct gconv_fcts *copy, const char *name) 52 internal_function; 53 54 55 /* Check whether the LC_CTYPE locale changed since the last call. 56 Update the pointers appropriately. */ 57 static inline void 58 update_conversion_ptrs (void) 59 { 60 if (__wcsmbs_last_locale != _nl_current_LC_CTYPE) 61 __wcsmbs_load_conv (_nl_current_LC_CTYPE); 62 } 63