Optimize initialization from empty buffer

atpalmer · atpalmer · commit 62365a88d937 · 2021-04-03T22:53:49.000-05:00
diff --git a/src/cstring.c b/src/cstring.c
@@ -121,6 +121,9 @@ static PyObject *cstring_new(PyTypeObject *type, PyObject *args, PyObject *kwarg
     if(!buffer)
         return NULL;
 
+    if(len == 0)
+        return cstring_new_empty();
+
     return _cstring_new(type, buffer, len);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -121,6 +121,9 @@ static PyObject cstring_new(PyTypeObject type, PyObject args, PyObject kwarg`
`121`	`121`	`if(!buffer)`
`122`	`122`	`return NULL;`
`123`	`123`
	`124`	`+ if(len == 0)`
	`125`	`+ return cstring_new_empty();`
	`126`	`+`
`124`	`127`	`return _cstring_new(type, buffer, len);`
`125`	`128`	`}`
`126`	`129`