From: Mark Dickinson <dickinsm@gmail.com>
Date: Sun, 18 Jul 2010 07:29:02 +0000 (+0000)
Subject: Issue #9277: Struct module: standard bool packing was incorrect if
X-Git-Tag: v3.2a1~179
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=eff5d8594b817e5e101cf22b1af901d89363f70a;p=thirdparty%2FPython%2Fcpython.git

Issue #9277: Struct module: standard bool packing was incorrect if
char is unsigned.  Thanks Stefan Krah for the patch.
---

diff --git a/Modules/_struct.c b/Modules/_struct.c
index b5f18a96adb2..d55ce0f60d50 100644
--- a/Modules/_struct.c
+++ b/Modules/_struct.c
@@ -867,11 +867,11 @@ bp_double(char *p, PyObject *v, const formatdef *f)
 static int
 bp_bool(char *p, PyObject *v, const formatdef *f)
 {
-    char y;
+    int y;
     y = PyObject_IsTrue(v);
     if (y < 0)
         return -1;
-    memcpy(p, (char *)&y, sizeof y);
+    *p = (char)y;
     return 0;
 }