bpo-34462: Add missing NULL check to _copy_raw_string() (pythonGH-8863)

Alexey Izbyshev · berkerpeksag · commit c583919ffced · 2018-08-22T21:27:32.000+03:00
Reported by Svace static analyzer.
diff --git a/Modules/_xxsubinterpretersmodule.c b/Modules/_xxsubinterpretersmodule.c
@@ -15,7 +15,7 @@ _copy_raw_string(PyObject *strobj)
         return NULL;
     }
     char *copied = PyMem_Malloc(strlen(str)+1);
-    if (str == NULL) {
+    if (copied == NULL) {
         PyErr_NoMemory();
         return NULL;
     }

Original file line number	Diff line number	Diff line change
`@@ -15,7 +15,7 @@ _copy_raw_string(PyObject *strobj)`
`15`	`15`	`return NULL;`
`16`	`16`	`}`
`17`	`17`	`char *copied = PyMem_Malloc(strlen(str)+1);`
`18`		`- if (str == NULL) {`
	`18`	`+ if (copied == NULL) {`
`19`	`19`	`PyErr_NoMemory();`
`20`	`20`	`return NULL;`
`21`	`21`	`}`