From 5c14d481ac0def0d81f67456a648502d89de5a06 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès
Date: Tue, 24 Mar 2009 23:05:56 +0100
Subject: Robustify `invocation-location'.
* src/guile/skribilo/location.scm (invocation-location): Make sure DEPTH
is not above STACK's length.
---
src/guile/skribilo/location.scm | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'src')
diff --git a/src/guile/skribilo/location.scm b/src/guile/skribilo/location.scm
index 47f72b7..5b50d63 100644
--- a/src/guile/skribilo/location.scm
+++ b/src/guile/skribilo/location.scm
@@ -1,7 +1,7 @@
;;; location.scm -- Skribilo source location.
;;;
+;;; Copyright 2005, 2007, 2009 Ludovic Court�s <ludo@gnu.org>
;;; Copyright 2003, 2004 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
-;;; Copyright 2005, 2007 Ludovic Court�s <ludovic.courtes@laas.fr>
;;;
;;;
;;; This program is free software; you can redistribute it and/or modify
@@ -89,6 +89,7 @@
(if (null? depth) 0 (car depth))))
(stack (make-stack #t)))
(and stack
+ (< depth (stack-length stack))
(let* ((frame (stack-ref stack depth))
(source (frame-source frame)))
(and source
--
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