From: Guido van Rossum <guido@python.org>
Date: Mon, 27 Sep 1999 17:12:47 +0000 (+0000)
Subject: Patch by Tim Peters fixing PR#88:
X-Git-Tag: v1.6a1~874
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e13ff2e2d6ddc6dead2d804006d8320df27dc553;p=thirdparty%2FPython%2Fcpython.git

Patch by Tim Peters fixing PR#88:

Integer division can crash under Windows.
---

diff --git a/Objects/intobject.c b/Objects/intobject.c
index 7293515e6c30..f2d77e1a7303 100644
--- a/Objects/intobject.c
+++ b/Objects/intobject.c
@@ -434,8 +434,14 @@ i_divmod(x, y, p_xdivy, p_xmody)
 		return -1;
 	}
 	if (yi < 0) {
-		if (xi < 0)
+		if (xi < 0) {
+			if (yi == -1 && -xi < 0) {
+				/* most negative / -1 */
+				err_ovf("integer division");
+				return -1;
+			}
 			xdivy = -xi / -yi;
+		}
 		else
 			xdivy = - (xi / -yi);
 	}