result = IsoLocaleName(locale);
if (result == NULL)
result = (char *) locale;
+ elog(DEBUG3, "IsoLocaleName() executed; locale: \"%s\"", result);
#endif /* WIN32 */
break;
#endif /* LC_MESSAGES */
* string. Furthermore, msvcr110.dll changed the undocumented _locale_t
* content to carry locale names instead of locale identifiers.
*
- * MinGW headers declare _create_locale(), but msvcrt.dll lacks that symbol.
- * IsoLocaleName() always fails in a MinGW-built postgres.exe, so only
- * Unix-style values of the lc_messages GUC can elicit localized messages. In
- * particular, every lc_messages setting that initdb can select automatically
- * will yield only C-locale messages. XXX This could be fixed by running the
- * fully-qualified locale name through a lookup table.
+ * Visual Studio 2015 should still be able to do the same as Visual Studio
+ * 2012, but the declaration of locale_name is missing in _locale_t, causing
+ * this code compilation to fail, hence this falls back instead on to
+ * enumerating all system locales by using EnumSystemLocalesEx to find the
+ * required locale name. If the input argument is in Unix-style then we can
+ * get ISO Locale name directly by using GetLocaleInfoEx() with LCType as
+ * LOCALE_SNAME.
+ *
+ * MinGW headers declare _create_locale(), but msvcrt.dll lacks that symbol in
+ * releases before Windows 8. IsoLocaleName() always fails in a MinGW-built
+ * postgres.exe, so only Unix-style values of the lc_messages GUC can elicit
+ * localized messages. In particular, every lc_messages setting that initdb
+ * can select automatically will yield only C-locale messages. XXX This could
+ * be fixed by running the fully-qualified locale name through a lookup table.
*
* This function returns a pointer to a static buffer bearing the converted
* name or NULL if conversion fails.
*
- * [1] http://msdn.microsoft.com/en-us/library/windows/desktop/dd373763.aspx
- * [2] http://msdn.microsoft.com/en-us/library/windows/desktop/dd373814.aspx
+ * [1] https://docs.microsoft.com/en-us/windows/win32/intl/locale-identifiers
+ * [2] https://docs.microsoft.com/en-us/windows/win32/intl/locale-names
+ */
+
+#if _MSC_VER >= 1900
+/*
+ * Callback function for EnumSystemLocalesEx() in get_iso_localename().
+ *
+ * This function enumerates all system locales, searching for one that matches
+ * an input with the format: <Language>[_<Country>], e.g.
+ * English[_United States]
+ *
+ * The input is a three wchar_t array as an LPARAM. The first element is the
+ * locale_name we want to match, the second element is an allocated buffer
+ * where the Unix-style locale is copied if a match is found, and the third
+ * element is the search status, 1 if a match was found, 0 otherwise.
+ */
+static BOOL CALLBACK
+search_locale_enum(LPWSTR pStr, DWORD dwFlags, LPARAM lparam)
+{
+ wchar_t test_locale[LOCALE_NAME_MAX_LENGTH];
+ wchar_t **argv;
+
+ (void) (dwFlags);
+
+ argv = (wchar_t **) lparam;
+ *argv[2] = (wchar_t) 0;
+
+ memset(test_locale, 0, sizeof(test_locale));
+
+ /* Get the name of the <Language> in English */
+ if (GetLocaleInfoEx(pStr, LOCALE_SENGLISHLANGUAGENAME,
+ test_locale, LOCALE_NAME_MAX_LENGTH))
+ {
+ /*
+ * If the enumerated locale does not have a hyphen ("en") OR the
+ * lc_message input does not have an underscore ("English"), we only
+ * need to compare the <Language> tags.
+ */
+ if (wcsrchr(pStr, '-') == NULL || wcsrchr(argv[0], '_') == NULL)
+ {
+ if (_wcsicmp(argv[0], test_locale) == 0)
+ {
+ wcscpy(argv[1], pStr);
+ *argv[2] = (wchar_t) 1;
+ return FALSE;
+ }
+ }
+
+ /*
+ * We have to compare a full <Language>_<Country> tag, so we append
+ * the underscore and name of the country/region in English, e.g.
+ * "English_United States".
+ */
+ else
+ {
+ size_t len;
+
+ wcscat(test_locale, L"_");
+ len = wcslen(test_locale);
+ if (GetLocaleInfoEx(pStr, LOCALE_SENGLISHCOUNTRYNAME,
+ test_locale + len,
+ LOCALE_NAME_MAX_LENGTH - len))
+ {
+ if (_wcsicmp(argv[0], test_locale) == 0)
+ {
+ wcscpy(argv[1], pStr);
+ *argv[2] = (wchar_t) 1;
+ return FALSE;
+ }
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+/*
+ * This function converts a Windows locale name to an ISO formatted version
+ * for Visual Studio 2015 or greater.
+ *
+ * Returns NULL, if no valid conversion was found.
*/
+static char *
+get_iso_localename(const char *winlocname)
+{
+ wchar_t wc_locale_name[LOCALE_NAME_MAX_LENGTH];
+ wchar_t buffer[LOCALE_NAME_MAX_LENGTH];
+ static char iso_lc_messages[LOCALE_NAME_MAX_LENGTH];
+ char *period;
+ int len;
+ int ret_val;
+
+ /*
+ * Valid locales have the following syntax:
+ * <Language>[_<Country>[.<CodePage>]]
+ *
+ * GetLocaleInfoEx can only take locale name without code-page and for the
+ * purpose of this API the code-page doesn't matter.
+ */
+ period = strchr(winlocname, '.');
+ if (period != NULL)
+ len = period - winlocname;
+ else
+ len = pg_mbstrlen(winlocname);
+
+ memset(wc_locale_name, 0, sizeof(wc_locale_name));
+ memset(buffer, 0, sizeof(buffer));
+ MultiByteToWideChar(CP_ACP, 0, winlocname, len, wc_locale_name,
+ LOCALE_NAME_MAX_LENGTH);
+
+ /*
+ * If the lc_messages is already an Unix-style string, we have a direct
+ * match with LOCALE_SNAME, e.g. en-US, en_US.
+ */
+ ret_val = GetLocaleInfoEx(wc_locale_name, LOCALE_SNAME, (LPWSTR) &buffer,
+ LOCALE_NAME_MAX_LENGTH);
+ if (!ret_val)
+ {
+ /*
+ * Search for a locale in the system that matches language and country
+ * name.
+ */
+ wchar_t *argv[3];
+
+ argv[0] = wc_locale_name;
+ argv[1] = buffer;
+ argv[2] = (wchar_t *) &ret_val;
+ EnumSystemLocalesEx(search_locale_enum, LOCALE_WINDOWS, (LPARAM) argv,
+ NULL);
+ }
+
+ if (ret_val)
+ {
+ size_t rc;
+ char *hyphen;
+
+ /* Locale names use only ASCII, any conversion locale suffices. */
+ rc = wchar2char(iso_lc_messages, buffer, sizeof(iso_lc_messages), NULL);
+ if (rc == -1 || rc == sizeof(iso_lc_messages))
+ return NULL;
+
+ /*
+ * Simply replace the hyphen with an underscore. See comments in
+ * IsoLocaleName.
+ */
+ hyphen = strchr(iso_lc_messages, '-');
+ if (hyphen)
+ *hyphen = '_';
+
+ return iso_lc_messages;
+ }
+
+ return NULL;
+}
+#endif /* _MSC_VER >= 1900 */
+
static char *
IsoLocaleName(const char *winlocname)
{
return iso_lc_messages;
}
+#if (_MSC_VER >= 1900) /* Visual Studio 2015 or later */
+ return get_iso_localename(winlocname);
+#else
loct = _create_locale(LC_CTYPE, winlocname);
if (loct != NULL)
{
return iso_lc_messages;
}
return NULL;
+#endif /* Visual Studio 2015 or later */
#else
return NULL; /* Not supported on this version of msvc/mingw */
#endif /* _MSC_VER >= 1400 */
projects / postgresql-pgindent.git / commitdiff