Protect PyErr_Format format string argument from overflow.

gvanrossum · gvanrossum · commit 42e8e5d16481 · 1998-01-19T22:23:08.000Z
diff --git a/Python/importdl.c b/Python/importdl.c
@@ -577,7 +577,7 @@ _PyImport_LoadDynamicModule(name, pathname, fp)
 #endif
 	if (p == NULL) {
 		PyErr_Format(PyExc_ImportError,
-		   "dynamic module does not define init function (%s)",
+		   "dynamic module does not define init function (%.200s)",
 			     funcname);
 		return NULL;
 	}

Original file line number	Diff line number	Diff line change
`@@ -577,7 +577,7 @@ _PyImport_LoadDynamicModule(name, pathname, fp)`
`577`	`577`	`#endif`
`578`	`578`	`if (p == NULL) {`
`579`	`579`	`PyErr_Format(PyExc_ImportError,`
`580`		`- "dynamic module does not define init function (%s)",`
	`580`	`+ "dynamic module does not define init function (%.200s)",`
`581`	`581`	`funcname);`
`582`	`582`	`return NULL;`
`583`	`583`	`}`