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/Modules/python.c b/Modules/python.c
index 9a71cd0..47685a4 100644
--- a/Modules/python.c
+++ b/Modules/python.c
@@ -41,7 +41,7 @@
oldloc = strdup(setlocale(LC_ALL, NULL));
setlocale(LC_ALL, "");
for (i = 0; i < argc; i++) {
- argv_copy[i] = _Py_char2wchar(argv[i]);
+ argv_copy[i] = _Py_char2wchar(argv[i], NULL);
if (!argv_copy[i])
return 1;
argv_copy2[i] = argv_copy[i];