bpo-45445: Revert "bpo-45445: Fail if an invalid X-option is provided in the command line (GH-28823)" (GH-94745)

(cherry picked from commit aa37ffda29ac48fb2df5a7029ba2e626ecc45850)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>

1 files changed, 0 insertions, 48 deletions

diff --git a/Python/initconfig.c b/Python/initconfig.c
index d313850..3980b21 100644
--- a/Python/initconfig.c
+++ b/Python/initconfig.c
@@ -2046,49 +2046,6 @@ _PyConfig_InitImportConfig(PyConfig *config)
     return config_init_import(config, 1);
 }
 
-// List of known xoptions to validate against the provided ones. Note that all
-// options are listed, even if they are only available if a specific macro is
-// set, like -X showrefcount which requires a debug build. In this case unknown
-// options are silently ignored.
-const wchar_t* known_xoptions[] = {
-    L"faulthandler",
-    L"showrefcount",
-    L"tracemalloc",
-    L"importtime",
-    L"dev",
-    L"utf8",
-    L"pycache_prefix",
-    L"warn_default_encoding",
-    L"no_debug_ranges",
-    L"frozen_modules",
-    NULL,
-};
-
-static const wchar_t*
-_Py_check_xoptions(const PyWideStringList *xoptions, const wchar_t **names)
-{
-    for (Py_ssize_t i=0; i < xoptions->length; i++) {
-        const wchar_t *option = xoptions->items[i];
-        size_t len;
-        wchar_t *sep = wcschr(option, L'=');
-        if (sep != NULL) {
-            len = (sep - option);
-        }
-        else {
-            len = wcslen(option);
-        }
-        int found = 0;
-        for (const wchar_t** name = names; *name != NULL; name++) {
-            if (wcsncmp(option, *name, len) == 0 && (*name)[len] == L'\0') {
-                found = 1;
-            }
-        }
-        if (found == 0) {
-            return option;
-        }
-    }
-    return NULL;
-}
 
 static PyStatus
 config_read(PyConfig *config, int compute_path_config)
@@ -2104,11 +2061,6 @@ config_read(PyConfig *config, int compute_path_config)
     }
 
     /* -X options */
-    const wchar_t* option = _Py_check_xoptions(&config->xoptions, known_xoptions);
-    if (option != NULL) {
-        return PyStatus_Error("Unknown value for option -X (see --help-xoptions)");
-    }
-
     if (config_get_xoption(config, L"showrefcount")) {
         config->show_ref_count = 1;
     }