Add an optional size argument to _Py_char2wchar()
_Py_char2wchar() callers usually need the result size in characters. Since it's
trivial to compute it in _Py_char2wchar() (O(1) whereas wcslen() is O(n)), add
an option to get it.
diff --git a/Include/fileutils.h b/Include/fileutils.h
index cb15936..11ebebf 100644
--- a/Include/fileutils.h
+++ b/Include/fileutils.h
@@ -6,7 +6,8 @@
#endif
PyAPI_FUNC(wchar_t *) _Py_char2wchar(
- const char *arg);
+ const char *arg,
+ size_t *size);
PyAPI_FUNC(char*) _Py_wchar2char(
const wchar_t *text);