merge 3.3 (#17968)

1 files changed, 4 insertions, 4 deletions

diff --git a/Python/fileutils.c b/Python/fileutils.c
index b7c42e8e85..bb0cd43500 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -60,7 +60,7 @@ extern int _Py_normalize_encoding(const char *, char *, size_t);
    workaround is also enabled on error, for example if getting the locale
    failed.
 
-   Values of locale_is_ascii:
+   Values of force_ascii:
 
        1: the workaround is used: _Py_wchar2char() uses
           encode_ascii_surrogateescape() and _Py_char2wchar() uses
@@ -254,9 +254,9 @@ _Py_char2wchar(const char* arg, size_t *size)
     wchar_t *res;
     size_t argsize;
     size_t count;
+#ifdef HAVE_MBRTOWC
     unsigned char *in;
     wchar_t *out;
-#ifdef HAVE_MBRTOWC
     mbstate_t mbs;
 #endif
 
@@ -292,7 +292,7 @@ _Py_char2wchar(const char* arg, size_t *size)
             /* Only use the result if it contains no
                surrogate characters. */
             for (tmp = res; *tmp != 0 &&
-                         (*tmp < 0xd800 || *tmp > 0xdfff); tmp++)
+                         !Py_UNICODE_IS_SURROGATE(*tmp); tmp++)
                 ;
             if (*tmp == 0) {
                 if (size != NULL)
@@ -338,7 +338,7 @@ _Py_char2wchar(const char* arg, size_t *size)
             memset(&mbs, 0, sizeof mbs);
             continue;
         }
-        if (*out >= 0xd800 && *out <= 0xdfff) {
+        if (Py_UNICODE_IS_SURROGATE(*out)) {
             /* Surrogate character.  Escape the original
                byte sequence with surrogateescape. */
             argsize -= converted;