/*
- * "$Id: language.c 5109 2006-02-15 20:11:10Z mike $"
+ * "$Id: language.c 5238 2006-03-07 04:41:42Z mike $"
*
* I18N/language support for the Common UNIX Printing System (CUPS).
*
* _cupsMessageFree() - Free a messages array.
* _cupsMessageLoad() - Load a .po file into a messages array.
* _cupsMessageLookup() - Lookup a message string.
- * _cupsRestoreLocale() - Restore the original locale...
- * _cupsSaveLocale() - Set the locale and save a copy of the old locale...
* appleLangDefault() - Get the default locale string.
* cups_cache_lookup() - Lookup a language in the cache...
* cups_message_compare() - Compare two messages.
langname[16], /* Requested language name */
country[16], /* Country code */
charset[16], /* Character set */
-#ifdef CODESET
*csptr, /* Pointer to CODESET string */
-#endif /* CODESET */
*ptr, /* Pointer into language/charset */
real[48], /* Real language name */
filename[1024]; /* Filename for language locale file */
cups_encoding_t encoding; /* Encoding to use */
cups_lang_t *lang; /* Current language... */
- char *oldlocale; /* Old locale name */
_cups_globals_t *cg = _cupsGlobals();
/* Pointer to library globals */
static const char * const locale_encodings[] =
DEBUG_printf(("cupsLangGet(language=\"%s\")\n", language ? language : "(null)"));
#ifdef __APPLE__
+ /*
+ * Set the character set to UTF-8...
+ */
+
+ strcpy(charset, "UTF8");
+
/*
* Apple's setlocale doesn't give us the user's localization
* preference so we have to look it up this way...
*/
- if (language == NULL)
+ if (!language)
language = appleLangDefault();
+
#else
- if (language == NULL)
+ /*
+ * Set the charset to "unknown"...
+ */
+
+ charset[0] = '\0';
+
+ /*
+ * Use setlocale() to determine the currently set locale, and then
+ * fallback to environment variables to avoid setting the locale,
+ * since setlocale() is not thread-safe!
+ */
+
+ if (!language)
{
/*
* First see if the locale has been set; if it is still "C" or
- * "POSIX", set the locale to the default...
+ * "POSIX", use the environment to get the default...
*/
# ifdef LC_MESSAGES
ptr ? ptr : "(null)"));
if (!ptr || !strcmp(ptr, "C") || !strcmp(ptr, "POSIX"))
-# ifdef LC_MESSAGES
{
- ptr = setlocale(LC_MESSAGES, "");
- setlocale(LC_CTYPE, "");
+ /*
+ * Get the character set from the LC_CTYPE locale setting...
+ */
+
+ if ((ptr = getenv("LC_CTYPE")) == NULL)
+ if ((ptr = getenv("LC_ALL")) == NULL)
+ if ((ptr = getenv("LANG")) == NULL)
+ ptr = "en_US";
+
+ if ((csptr = strchr(ptr, '.')) != NULL)
+ {
+ /*
+ * Extract the character set from the environment...
+ */
+
+ for (ptr = charset, csptr ++; *csptr; csptr ++)
+ if (ptr < (charset + sizeof(charset) - 1) && isalnum(*csptr & 255))
+ *ptr++ = *csptr;
+
+ *ptr = '\0';
+ }
+ else
+ {
+ /*
+ * Default to UTF-8...
+ */
+
+ strcpy(charset, "UTF8");
+ }
+
+ /*
+ * Get the locale for messages from the LC_MESSAGES locale setting...
+ */
+
+ if ((ptr = getenv("LC_MESSAGES")) == NULL)
+ if ((ptr = getenv("LC_ALL")) == NULL)
+ if ((ptr = getenv("LANG")) == NULL)
+ ptr = "en_US";
}
-# else
- ptr = setlocale(LC_ALL, "");
-# endif /* LC_MESSAGES */
if (ptr)
{
if (!language)
{
/*
- * Switch to the value of the "LANG" environment variable, and if
- * that is NULL as well, use "C".
+ * Switch to the POSIX ("C") locale...
*/
- if ((language = getenv("LANG")) == NULL)
- language = "C";
+ language = "C";
}
- /*
- * Set the charset to "unknown"...
- */
-
- charset[0] = '\0';
-
#ifdef CODESET
/*
* On systems that support the nl_langinfo(CODESET) call, use
* this value as the character set...
*/
- if ((csptr = nl_langinfo(CODESET)) != NULL)
+ if (!charset[0] && (csptr = nl_langinfo(CODESET)) != NULL)
{
/*
* Copy all of the letters and numbers in the CODESET string...
}
#endif /* CODESET */
- /*
- * Set the locale back to POSIX while we do string ops, since
- * apparently some buggy C libraries break ctype() for non-I18N
- * chars...
- */
-
-#if defined(__APPLE__)
- /* The ctype bug isn't in Apple's libc */
- (void)locale; /* anti-compiler-warning-code */
- (void)oldlocale; /* anti-compiler-warning-code */
-#elif !defined(LC_CTYPE)
- oldlocale = _cupsSaveLocale(LC_ALL, "C");
-#else
- oldlocale = _cupsSaveLocale(LC_CTYPE, "C");
-#endif /* __APPLE__ */
-
/*
* Parse the language string passed in to a locale string. "C" is the
* standard POSIX locale and is copied unchanged. Otherwise the
}
}
- /*
- * Restore the locale...
- */
-
-#if defined(__APPLE__)
- /* The ctype bug isn't in Apple's libc */
-#elif !defined(LC_CTYPE)
- _cupsRestoreLocale(LC_ALL, oldlocale);
-#else
- _cupsRestoreLocale(LC_CTYPE, oldlocale);
-#endif /* __APPLE__ */
-
DEBUG_printf(("cupsLangGet: langname=\"%s\", country=\"%s\", charset=\"%s\"\n",
langname, country, charset));
}
-/*
- * '_cupsRestoreLocale()' - Restore the original locale...
- */
-
-void
-_cupsRestoreLocale(int category, /* I - Category */
- char *oldlocale) /* I - Old locale or NULL */
-{
- DEBUG_printf(("_cupsRestoreLocale(category=%d, oldlocale=\"%s\")\n",
- category, oldlocale));
-
- if (oldlocale)
- {
- /*
- * Reset the locale and free the locale string...
- */
-
- setlocale(category, oldlocale);
- free(oldlocale);
- }
-}
-
-
-/*
- * '_cupsSaveLocale()' - Set the locale and save a copy of the old locale...
- */
-
-char * /* O - Old locale or NULL */
-_cupsSaveLocale(int category, /* I - Category */
- const char *locale) /* I - New locale or NULL */
-{
- char *oldlocale; /* Old locale */
-
-
- DEBUG_printf(("_cupsSaveLocale(category=%d, locale=\"%s\")\n",
- category, locale));
-
- /*
- * Get the old locale and copy it...
- */
-
- if ((oldlocale = setlocale(category, NULL)) != NULL)
- oldlocale = strdup(oldlocale);
-
- DEBUG_printf((" oldlocale=\"%s\"\n", oldlocale ? oldlocale : "(null)"));
-
- /*
- * Set the new locale...
- */
-
- setlocale(category, locale);
-
- /*
- * Return a copy of the old locale...
- */
-
- return (oldlocale);
-}
-
-
#ifdef __APPLE__
/*
* Code & data to translate OSX's language names to their ISO 639-1 locale.
/*
- * End of "$Id: language.c 5109 2006-02-15 20:11:10Z mike $".
+ * End of "$Id: language.c 5238 2006-03-07 04:41:42Z mike $".
*/
projects / thirdparty / cups.git / blobdiff