diff options
Diffstat (limited to 'Modules/_tkinter.c')
| -rw-r--r-- | Modules/_tkinter.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c index 2f83165ef7..ffb8ab08c9 100644 --- a/Modules/_tkinter.c +++ b/Modules/_tkinter.c @@ -649,8 +649,8 @@ Tkapp_New(char *screenName, char *className, } strcpy(argv0, className); - if (isupper(Py_CHARMASK(argv0[0]))) - argv0[0] = tolower(Py_CHARMASK(argv0[0])); + if (Py_ISUPPER(Py_CHARMASK(argv0[0]))) + argv0[0] = Py_TOLOWER(Py_CHARMASK(argv0[0])); Tcl_SetVar(v->interp, "argv0", argv0, TCL_GLOBAL_ONLY); ckfree(argv0); |