[pkgsrc/trunk]: pkgsrc/devel/libsigsegv Fix false positives in determining st...

[wiz <wiz%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/fc34a285b192
branches:  trunk
changeset: 546193:fc34a285b192
user:      wiz <wiz%pkgsrc.org@localhost>
date:      Sat Aug 23 15:56:28 2008 +0000

description:
Fix false positives in determining stack overflow when using mincore.

Using patch from Eric Blake that got committed upstream.
http://lists.gnu.org/archive/html/bug-gnulib/2008-07/msg00073.html

Bump PKGREVISION.

diffstat:

 devel/libsigsegv/Makefile         |   3 ++-
 devel/libsigsegv/distinfo         |   3 ++-
 devel/libsigsegv/patches/patch-ab |  22 ++++++++++++++++++++++
 3 files changed, 26 insertions(+), 2 deletions(-)

diffs (51 lines):

diff -r de5d63d63b21 -r fc34a285b192 devel/libsigsegv/Makefile
--- a/devel/libsigsegv/Makefile Sat Aug 23 15:42:18 2008 +0000
+++ b/devel/libsigsegv/Makefile Sat Aug 23 15:56:28 2008 +0000
@@ -1,7 +1,8 @@
-# $NetBSD: Makefile,v 1.5 2008/01/07 18:15:27 joerg Exp $
+# $NetBSD: Makefile,v 1.6 2008/08/23 15:56:28 wiz Exp $
 #
 
 DISTNAME=              libsigsegv-2.5
+PKGREVISION=           1
 CATEGORIES=            devel
 MASTER_SITES=          ${MASTER_SITE_GNU:=libsigsegv/}
 
diff -r de5d63d63b21 -r fc34a285b192 devel/libsigsegv/distinfo
--- a/devel/libsigsegv/distinfo Sat Aug 23 15:42:18 2008 +0000
+++ b/devel/libsigsegv/distinfo Sat Aug 23 15:56:28 2008 +0000
@@ -1,6 +1,7 @@
-$NetBSD: distinfo,v 1.4 2007/11/29 18:25:22 rillig Exp $
+$NetBSD: distinfo,v 1.5 2008/08/23 15:56:28 wiz Exp $
 
 SHA1 (libsigsegv-2.5.tar.gz) = 84cf08a9aae4c4d884333421018d8127592e8c2b
 RMD160 (libsigsegv-2.5.tar.gz) = 1776563a76de4286461a779cfd2b3b47533db05e
 Size (libsigsegv-2.5.tar.gz) = 380512 bytes
 SHA1 (patch-aa) = 4786b1362d9277d4b654e8978514a7cd454eeaaa
+SHA1 (patch-ab) = eb0ca641f4355add51c5f599318ba78463a70046
diff -r de5d63d63b21 -r fc34a285b192 devel/libsigsegv/patches/patch-ab
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/devel/libsigsegv/patches/patch-ab Sat Aug 23 15:56:28 2008 +0000
@@ -0,0 +1,22 @@
+$NetBSD: patch-ab,v 1.1 2008/08/23 15:56:28 wiz Exp $
+
+--- src/stackvma-mincore.c.orig        2006-05-15 14:01:12.000000000 +0200
++++ src/stackvma-mincore.c
+@@ -227,7 +227,7 @@ mincore_is_near_this (unsigned long addr
+   unsigned long testaddr = addr - (vma->start - addr);
+   if (testaddr > addr) /* overflow? */
+     testaddr = 0;
+-  return is_unmapped (testaddr, addr);
++  return is_unmapped (testaddr, vma->start - 1);
+ }
+ 
+ #endif
+@@ -246,7 +246,7 @@ mincore_is_near_this (unsigned long addr
+   unsigned long testaddr = addr + (addr - vma->end);
+   if (testaddr < addr) /* overflow? */
+     testaddr = ~0UL;
+-  return is_unmapped (addr, testaddr);
++  return is_unmapped (vma->end, testaddr);
+ }
+ 
+ #endif