Fix a compiler warning.

ericsnowcurrently · ericsnowcurrently · commit d034ec50a54f · 2025-04-25T17:07:12.000-06:00
diff --git a/Objects/moduleobject.c b/Objects/moduleobject.c
@@ -684,7 +684,7 @@ _PyModule_GetFilenameUTF8(PyObject *mod, char *buffer, size_t maxlen)
     }
     else {
         const char *filename = PyUnicode_AsUTF8AndSize(filenameobj, &size);
-        if (size > maxlen) {
+        if (size > PY_SIZE_MAX || (size_t)size > maxlen) {
             size = -1;
             PyErr_SetString(PyExc_ValueError, "__file__ too long");
         }

Original file line number	Diff line number	Diff line change
`@@ -684,7 +684,7 @@ _PyModule_GetFilenameUTF8(PyObject mod, char buffer, size_t maxlen)`
`684`	`684`	`}`
`685`	`685`	`else {`
`686`	`686`	`const char *filename = PyUnicode_AsUTF8AndSize(filenameobj, &size);`
`687`		`- if (size > maxlen) {`
	`687`	`+ if (size > PY_SIZE_MAX \|\| (size_t)size > maxlen) {`
`688`	`688`	`size = -1;`
`689`	`689`	`PyErr_SetString(PyExc_ValueError, "__file__ too long");`
`690`	`690`	`}`