From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 31 Mar 2020 12:24:07 +0000 (-0700)
Subject: bpo-39689: Do not use native packing for format "?" with standard size (GH-18969)
X-Git-Tag: v3.7.8rc1~121
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f9e889cd94c1e86f8ff28733b207c99803ca8a4;p=thirdparty%2FPython%2Fcpython.git

bpo-39689: Do not use native packing for format "?" with standard size (GH-18969)

(cherry picked from commit 472fc843ca816d65c12f9508ac762ca492165c45)

Co-authored-by: Stefan Krah <skrah@bytereef.org>
---

diff --git a/Modules/_struct.c b/Modules/_struct.c
index 66f74d63b735..c09951dcb79f 100644
--- a/Modules/_struct.c
+++ b/Modules/_struct.c
@@ -2339,6 +2339,9 @@ PyInit__struct(void)
                        "unknown" float format */
                     if (ptr->format == 'd' || ptr->format == 'f')
                         break;
+                    /* Skip _Bool, semantics are different for standard size */
+                    if (ptr->format == '?')
+                        break;
                     ptr->pack = native->pack;
                     ptr->unpack = native->unpack;
                     break;