[newlib-cygwin/main] Cygwin: locale(1): redefine rule for adding a @euro locale

Corinna Vinschen corinna@sourceware.org
Sat Feb 25 19:16:08 GMT 2023


https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6e6111671a1258ead1235c7e129b1f272c67f9e9

commit 6e6111671a1258ead1235c7e129b1f272c67f9e9
Author:     Corinna Vinschen <corinna@vinschen.de>
AuthorDate: Sat Feb 25 19:43:08 2023 +0100
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Sat Feb 25 19:43:08 2023 +0100

    Cygwin: locale(1): redefine rule for adding a @euro locale
    
    The @euro locale is only useful, if the locale uses the EUR currency
    and the codeset of the base locale is ISO-8859-1, or the locale is
    el_GR.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/utils/locale.cc | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/winsup/utils/locale.cc b/winsup/utils/locale.cc
index 2c7845fc24be..25c4d327023d 100644
--- a/winsup/utils/locale.cc
+++ b/winsup/utils/locale.cc
@@ -221,7 +221,7 @@ compare_locales (const void *a, const void *b)
   return strcmp (la->name, lb->name);
 }
 
-void
+size_t
 add_locale (const char *name, const wchar_t *language, const wchar_t *territory,
 	    bool alias = false)
 {
@@ -246,7 +246,7 @@ add_locale (const char *name, const wchar_t *language, const wchar_t *territory,
   locale[loc_num].codeset = strdup (nl_langinfo (CODESET));
   setlocale (LC_CTYPE, orig_locale);
   locale[loc_num].alias = alias;
-  ++loc_num;
+  return loc_num++;
 }
 
 void
@@ -304,7 +304,6 @@ print_all_locales_proc (LPWSTR loc_name, DWORD info, LPARAM param)
   wchar_t iso639[32] = { 0 };
   wchar_t iso3166[32] = { 0 };
   wchar_t iso15924[32] = { 0 };
-  DWORD cp;
 
 #if 0
   struct {
@@ -391,18 +390,18 @@ print_all_locales_proc (LPWSTR loc_name, DWORD info, LPARAM param)
       /* Print */
       GetLocaleInfoEx (loc_name, LOCALE_SENGLISHLANGUAGENAME, language, 256);
       GetLocaleInfoEx (loc_name, LOCALE_SENGLISHCOUNTRYNAME, country, 256);
-      add_locale (posix_loc, language, country);
+      size_t idx = add_locale (posix_loc, language, country);
       /* Check for locales sporting an additional modifier for
 	 changing the codeset and other stuff. */
       if (!wcscmp (iso639, L"be") && !wcscmp (iso3166, L"BY"))
 	stpcpy (c, "@latin");
       if (!wcscmp (iso639, L"tt") && !wcscmp (iso3166, L"RU"))
 	stpcpy (c, "@iqtelif");
-      else if (GetLocaleInfoEx (loc_name,
-				LOCALE_IDEFAULTANSICODEPAGE
-				| LOCALE_RETURN_NUMBER,
-				(PWCHAR) &cp, sizeof cp)
-	       && cp == 1252 /* Latin1*/
+       /* If the base locale is ISO-8859-1 and the locale defines currency
+          as EUR, add a @euro locale. For historical reasons there's also
+	  a greek @euro locale, albeit it doesn't change the codeset. */
+      else if ((!strcmp (locale[idx].codeset, "ISO-8859-1")
+		|| !strcmp (posix_loc, "el_GR"))
 	       && GetLocaleInfoEx (loc_name, LOCALE_SINTLSYMBOL, currency, 9)
 	       && !wcsncmp (currency, L"EUR", 3))
 	stpcpy (c, "@euro");


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