* use default configure options to find threadsafe locale

[citadel.git] / webcit / gettext.c

diff --git a/webcit/gettext.c b/webcit/gettext.c
index 453633cd1b327904e697e7d4b00edcec3ab2d33c..9c248454026eeb2f5568e65cd5f01e63190d21ce 100644 (file)
--- a/webcit/gettext.c
+++ b/webcit/gettext.c
@@ -6,14 +6,12 @@
  * \ingroup WebcitHttpServer 
  */
 /*@{*/
-/** we need _GNU_SOURCE for various functions arround the NLS-Stuff */
-#define _GNU_SOURCE
 #include "webcit.h"
 #include "webserver.h"
 
 #ifdef ENABLE_NLS
 
-#define NUM_LANGS 5 /**< how many different locales do we know? */
+#define NUM_LANGS 9 /**< how many different locales do we know? */
 #define SEARCH_LANG 20 /**< how many langs should we parse? */
 
 /** actual supported locales */
@@ -22,10 +20,16 @@ char *AvailLang[NUM_LANGS] = {
        "en_US",
        "de_DE",
        "it_IT",
-       "en_GB"
+       "es_ES",
+       "en_GB",
+       "da_DK",
+       "fr_FR",
+       "nl_NL"
 };
 
+#ifdef HAVE_USELOCALE
 locale_t wc_locales[NUM_LANGS]; /**< here we keep the parsed stuff */
+#endif
 
 /** Keep information about one locale */
 typedef struct _lang_pref{
@@ -54,17 +58,14 @@ void httplang_to_locale(char *LocaleString)
 
        int i = 0;
        int j = 0;
-       size_t len = strlen(LocaleString);
+       /* size_t len = strlen(LocaleString); */
        long prio;
        int av;
        int nBest;
        int nParts;
-       char *search = (char *) malloc(len);
-       // locale_t my_Locale;
-       // locale_t my_Empty_Locale;
+       char search[1024];
        
-       memcpy(search, LocaleString, len);
-       search[len] = '\0';
+       safestrncpy(search, LocaleString, sizeof search);
        nParts=num_tokens(search,',');
        for (i=0; ((i<nParts)&&(i<SEARCH_LANG)); i++)
         {
@@ -131,26 +132,26 @@ void httplang_to_locale(char *LocaleString)
        prio=0;
        av=-1000;
        nBest=-1;
-       for (i=0; ((i<nParts)&&(i<SEARCH_LANG)); i++)
-               {
-                       ls=&wanted_locales[i];
-                       if ((ls->availability<=0)&& 
-                               (av<ls->availability)&&
-                               (prio<ls->priority)&&
-                               (ls->selectedlang!=-1)){
-                               nBest=ls->selectedlang;
-                               av=ls->availability;
-                               prio=ls->priority;
-                       }
+       for (i=0; ((i<nParts)&&(i<SEARCH_LANG)); i++) {
+               ls=&wanted_locales[i];
+               if ((ls->availability<=0)&& 
+                  (av<ls->availability)&&
+                  (prio<ls->priority)&&
+                  (ls->selectedlang!=-1)) {
+                       nBest=ls->selectedlang;
+                       av=ls->availability;
+                       prio=ls->priority;
                }
-       if (nBest==-1) /** fall back to C */
+       }
+       if (nBest == -1) {
+               /** fall back to C */
                nBest=0;
+       }
        WC->selected_language=nBest;
        lprintf(9, "language found: %s\n", AvailLang[WC->selected_language]);
-       //      set_selected_language(selected_locale);
 }
 
-/* TODO: we skip the language weightening so far. */
+/* TODO: we skip the language weighting so far. */
 /* Accept-Language: 'de-de,en-us;q=0.7,en;q=0.3' */
 /* Accept-Language: de,en-ph;q=0.8,en-us;q=0.5,de-at;q=0.3 */
 //void httplang_to_locale(char *LocaleString)
@@ -196,7 +197,7 @@ void httplang_to_locale(char *LocaleString)
 void offer_languages(void) {
        int i;
 
-       wprintf("<select name=\"language\" size=\"1\">\n");
+       wprintf("<select name=\"language\" id=\"lname\" size=\"1\">\n");
 
        for (i=0; i < NUM_LANGS; ++i) {
                wprintf("<option %s value=%s>%s</option>\n",
@@ -227,37 +228,71 @@ void set_selected_language(char *lang) {
  * \brief Activate the selected language for this session.
  */
 void go_selected_language(void) {
+#ifdef HAVE_USELOCALE
        if (WC->selected_language < 0) return;
        uselocale(wc_locales[WC->selected_language]);   /** switch locales */
        textdomain(textdomain(NULL));                   /** clear the cache */
+#endif
 }
 
 /**
  * \brief Deactivate the selected language for this session.
  */
 void stop_selected_language(void) {
+#ifdef HAVE_USELOCALE
        uselocale(LC_GLOBAL_LOCALE);                    /** switch locales */
        textdomain(textdomain(NULL));                   /** clear the cache */
+#endif
 }
 
-
+void preset_locale(void)
+{
+#ifndef HAVE_USELOCALE
+#ifdef HAVE_GETTEXT
+       char *language;
+       
+       language = getenv("LANG");
+       setlocale(LC_MESSAGES, language);
+#endif
+#endif
+}
 /**
  * \brief Create a locale_t for each available language
  */
 void initialize_locales(void) {
        int i;
-       locale_t Empty_Locale;
        char buf[32];
 
+#ifdef HAVE_USELOCALE
+       locale_t Empty_Locale;
+
        /* create default locale */
        Empty_Locale = newlocale(LC_ALL_MASK, NULL, NULL);
+#endif
 
        for (i = 0; i < NUM_LANGS; ++i) {
-               sprintf(buf, "%s.UTF8", AvailLang[i]);
-               wc_locales[i] = newlocale(LC_MESSAGES_MASK /* |LC_TIME_MASK FIXME */ ,
+               if (i == 0) {
+                       sprintf(buf, "%s", AvailLang[i]);       // locale 0 (C) is ascii, not utf-8
+               }
+               else {
+                       sprintf(buf, "%s.UTF8", AvailLang[i]);
+               }
+#ifdef HAVE_USELOCALE
+               wc_locales[i] = newlocale(
+                       (LC_MESSAGES_MASK|LC_TIME_MASK),
                        buf,
-                       Empty_Locale
+                       (((i > 0) && (wc_locales[0] != NULL)) ? wc_locales[0] : Empty_Locale)
                );
+               if (wc_locales[i] == NULL) {
+                       lprintf(1, "Error configuring locale for %s: %s\n",
+                               buf,
+                               strerror(errno)
+                       );
+               }
+               else {
+                       lprintf(3, "Configured available locale: %s\n", buf);
+               }
+#endif
        }
 }
 
@@ -280,6 +315,9 @@ void go_selected_language(void) {
 void stop_selected_language(void) {
 }
 
+void preset_locale(void)
+{
+}
 #endif /* ENABLE_NLS */