Module Name: src
Committed By: christos
Date: Sat May 9 15:41:47 UTC 2015
Modified Files:
src/include/ssp: ssp.h
Log Message:
add a macro to check overlapping pointers
To generate a diff of this commit:
cvs rdiff -u -r1.10 -r1.11 src/include/ssp/ssp.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/include/ssp/ssp.h
diff -u src/include/ssp/ssp.h:1.10 src/include/ssp/ssp.h:1.11
--- src/include/ssp/ssp.h:1.10 Wed Aug 8 16:23:32 2012
+++ src/include/ssp/ssp.h Sat May 9 11:41:47 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: ssp.h,v 1.10 2012/08/08 20:23:32 joerg Exp $ */
+/* $NetBSD: ssp.h,v 1.11 2015/05/09 15:41:47 christos Exp $ */
/*-
* Copyright (c) 2006, 2011 The NetBSD Foundation, Inc.
@@ -77,6 +77,9 @@ __ssp_inline rtype fun args { \
#define __ssp_redirect0(rtype, fun, args, call) \
__ssp_redirect_raw(rtype, fun, fun, args, call, __ssp_bos0)
+#define __ssp_overlap(a, b, l) \
+ (((a) <= (b) && (b) <= (a) + (l)) || ((b) <= (a) && (a) <= (b) + (l)))
+
__BEGIN_DECLS
void __stack_chk_fail(void) __dead;
void __chk_fail(void) __dead;
