From: Guido van Rossum <guido@python.org>
Date: Wed, 9 May 2007 23:36:14 +0000 (+0000)
Subject: The NULL pointer for empty strings turns out to be a pain.
X-Git-Tag: v3.0a1~980
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=63eac1592700e550d7a8e9b5ef1f77cadac9a020;p=python

The NULL pointer for empty strings turns out to be a pain.
At least for the buffer API, return "" in that case.
---

diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index a07f9e709b..2cdaf37768 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -950,7 +950,10 @@ bytes_getbuffer(PyBytesObject *self, Py_ssize_t index, const void **ptr)
                         "accessing non-existent bytes segment");
         return -1;
     }
-    *ptr = (void *)self->ob_bytes;
+    if (self->ob_bytes == NULL)
+        *ptr = "";
+    else
+        *ptr = self->ob_bytes;
     return self->ob_size;
 }