mirror of
https://github.com/acanas/swad-core.git
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224 lines
8.7 KiB
C
224 lines
8.7 KiB
C
// swad_language.c: user's settings on language
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/*
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SWAD (Shared Workspace At a Distance),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2020 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program 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
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************** Headers **********************************/
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/*****************************************************************************/
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#include "swad_box.h"
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#include "swad_database.h"
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#include "swad_form.h"
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#include "swad_global.h"
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#include "swad_HTML.h"
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#include "swad_language.h"
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#include "swad_setting.h"
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/*****************************************************************************/
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/*************** External global variables from others modules ***************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/****************************** Public constants *****************************/
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/*****************************************************************************/
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const char *Lan_STR_LANG_ID[1 + Lan_NUM_LANGUAGES] = // ISO 639-1 language codes
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{
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[Lan_LANGUAGE_UNKNOWN] = "",
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[Lan_LANGUAGE_CA ] = "ca",
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[Lan_LANGUAGE_DE ] = "de",
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[Lan_LANGUAGE_EN ] = "en",
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[Lan_LANGUAGE_ES ] = "es",
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[Lan_LANGUAGE_FR ] = "fr",
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[Lan_LANGUAGE_GN ] = "gn",
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[Lan_LANGUAGE_IT ] = "it",
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[Lan_LANGUAGE_PL ] = "pl",
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[Lan_LANGUAGE_PT ] = "pt",
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};
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/*****************************************************************************/
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/****************************** Private constants ****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/****************************** Private prototypes ***************************/
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/*****************************************************************************/
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static void Lan_PutIconsLanguage (__attribute__((unused)) void *Args);
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static void Lan_PutParamLanguage (void *Language);
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/*****************************************************************************/
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/*************** Put link to change language (edit settings) *****************/
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/*****************************************************************************/
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void Lan_PutLinkToChangeLanguage (void)
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{
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Lay_PutContextualLinkIconText (ActReqEdiSet,NULL,
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NULL,NULL,
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"globe.svg",
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"Change language");
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}
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/*****************************************************************************/
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/************** Put a selector to select language in settings ****************/
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/*****************************************************************************/
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void Lan_PutBoxToSelectLanguage (void)
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{
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extern const char *Hlp_PROFILE_Settings_language;
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extern const char *Txt_Language;
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Box_BoxBegin (NULL,Txt_Language,
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Lan_PutIconsLanguage,NULL,
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Hlp_PROFILE_Settings_language,Box_NOT_CLOSABLE);
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Lan_PutSelectorToSelectLanguage ();
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Box_BoxEnd ();
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}
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/*****************************************************************************/
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/**************** Put contextual icons in language setting *******************/
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/*****************************************************************************/
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static void Lan_PutIconsLanguage (__attribute__((unused)) void *Args)
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{
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/***** Put icon to show a figure *****/
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Fig_PutIconToShowFigure (Fig_LANGUAGES);
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}
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/*****************************************************************************/
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/********************* Put a selector to select language *********************/
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/*****************************************************************************/
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void Lan_PutSelectorToSelectLanguage (void)
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{
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extern const char *Txt_STR_LANG_NAME[1 + Lan_NUM_LANGUAGES];
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Lan_Language_t Lan;
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unsigned LanUnsigned;
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Frm_StartForm (ActReqChgLan);
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HTM_SELECT_Begin (true,
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"name=\"Lan\" style=\"width:112px; margin:0;\"");
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for (Lan = (Lan_Language_t) 1;
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Lan <= (Lan_Language_t) Lan_NUM_LANGUAGES;
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Lan++)
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{
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LanUnsigned = (unsigned) Lan;
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HTM_OPTION (HTM_Type_UNSIGNED,&LanUnsigned,
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Lan == Gbl.Prefs.Language,false,
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"%s",Txt_STR_LANG_NAME[Lan]);
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}
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HTM_SELECT_End ();
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Frm_EndForm ();
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}
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/*****************************************************************************/
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/********* Ask user if he/she really wants to change the language ************/
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/*****************************************************************************/
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void Lan_AskChangeLanguage (void)
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{
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extern const char *Txt_Do_you_want_to_change_your_language_to_LANGUAGE[1 + Lan_NUM_LANGUAGES];
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extern const char *Txt_Do_you_want_to_change_the_language_to_LANGUAGE[1 + Lan_NUM_LANGUAGES];
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extern const char *Txt_Switch_to_LANGUAGE[1 + Lan_NUM_LANGUAGES];
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Lan_Language_t CurrentLanguage = Gbl.Prefs.Language;
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/***** Get param language *****/
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Gbl.Prefs.Language = Lan_GetParamLanguage (); // Change temporarily language to set form action
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/***** Request confirmation *****/
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Ale_ShowAlertAndButton (ActChgLan,NULL,NULL,
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Lan_PutParamLanguage,&Gbl.Prefs.Language,
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Btn_CONFIRM_BUTTON,
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Txt_Switch_to_LANGUAGE[Gbl.Prefs.Language],
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Ale_QUESTION,Gbl.Usrs.Me.Logged ? Txt_Do_you_want_to_change_your_language_to_LANGUAGE[Gbl.Prefs.Language] :
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Txt_Do_you_want_to_change_the_language_to_LANGUAGE[Gbl.Prefs.Language]);
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Gbl.Prefs.Language = CurrentLanguage; // Restore current language
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/***** Display settings *****/
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Set_EditSettings ();
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}
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/*****************************************************************************/
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/******************************* Change language *****************************/
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/*****************************************************************************/
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static void Lan_PutParamLanguage (void *Language)
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{
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if (Language)
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Par_PutHiddenParamUnsigned (NULL,"Lan",(unsigned) *((Lan_Language_t *) Language));
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}
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/*****************************************************************************/
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/******************************* Change language *****************************/
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/*****************************************************************************/
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void Lan_ChangeLanguage (void)
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{
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/***** Get param language *****/
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Gbl.Prefs.Language = Lan_GetParamLanguage ();
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/***** Store language in database *****/
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if (Gbl.Usrs.Me.Logged &&
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Gbl.Prefs.Language != Gbl.Usrs.Me.UsrDat.Prefs.Language)
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Lan_UpdateMyLanguageToCurrentLanguage ();
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/***** Set settings from current IP *****/
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Set_SetSettingsFromIP ();
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}
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/*****************************************************************************/
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/**************** Update my language to the current language *****************/
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/*****************************************************************************/
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void Lan_UpdateMyLanguageToCurrentLanguage (void)
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{
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extern const char *Lan_STR_LANG_ID[1 + Lan_NUM_LANGUAGES];
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/***** Set my language to the current language *****/
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Gbl.Usrs.Me.UsrDat.Prefs.Language = Gbl.Prefs.Language;
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/***** Update my language in database *****/
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DB_QueryUPDATE ("can not update your language",
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"UPDATE usr_data SET Language='%s' WHERE UsrCod=%ld",
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Lan_STR_LANG_ID[Gbl.Prefs.Language],
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Gbl.Usrs.Me.UsrDat.UsrCod);
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}
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/*****************************************************************************/
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/*************************** Get parameter language **************************/
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/*****************************************************************************/
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Lan_Language_t Lan_GetParamLanguage (void)
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{
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extern const unsigned Txt_Current_CGI_SWAD_Language;
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return (Lan_Language_t)
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Par_GetParToUnsignedLong ("Lan",
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1,
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Lan_NUM_LANGUAGES,
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(unsigned long) Txt_Current_CGI_SWAD_Language);
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}
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