gh-74857, PEP 538: Coerce POSIX locale to UTF-8 based locale (#139238)

2025-09-23 19:20:59 +02:00
parent a79ce35c70
commit e8382e55c5
3 changed files with 10 additions and 9 deletions
--- a/Python/pylifecycle.c
+++ b/Python/pylifecycle.c
@@ -209,7 +209,10 @@ _Py_LegacyLocaleDetected(int warn)
     *                 we may also want to check for that explicitly.
     */
    const char *ctype_loc = setlocale(LC_CTYPE, NULL);
-    return ctype_loc != NULL && strcmp(ctype_loc, "C") == 0;
+    if (ctype_loc == NULL) {
+        return 0;
+    }
+    return (strcmp(ctype_loc, "C") == 0 || strcmp(ctype_loc, "POSIX") == 0);
 #else
    /* Windows uses code pages instead of locales, so no locale is legacy */
    return 0;