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-rw-r--r--Build/source/texk/web2c/luatexdir/tex/packaging.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/Build/source/texk/web2c/luatexdir/tex/packaging.h b/Build/source/texk/web2c/luatexdir/tex/packaging.h
index af1f18a265f..c10a715695a 100644
--- a/Build/source/texk/web2c/luatexdir/tex/packaging.h
+++ b/Build/source/texk/web2c/luatexdir/tex/packaging.h
@@ -17,7 +17,7 @@
You should have received a copy of the GNU General Public License along
with LuaTeX; if not, see <http://www.gnu.org/licenses/>. */
-/* $Id: packaging.h 3261 2009-12-18 11:38:21Z taco $ */
+/* $Id: packaging.h 4044 2010-12-18 09:23:06Z taco $ */
#ifndef PACKAGING_H
# define PACKAGING_H
@@ -57,10 +57,12 @@ extern void do_subst_font(halfword p, int ex_ratio);
extern scaled char_pw(halfword p, int side);
extern halfword new_margin_kern(scaled w, halfword p, int side);
-# define update_adjust_list(A) do { \
- vlink(A) = adjust_ptr(p); \
- while (vlink(A) != null) \
- A = vlink(A); \
+# define update_adjust_list(A) do { \
+ if (A == null) \
+ pdf_error("pre vadjust", "adjust_tail or pre_adjust_tail is null"); \
+ vlink(A) = adjust_ptr(p); \
+ while (vlink(A) != null) \
+ A = vlink(A); \
} while (0)
extern halfword hpack(halfword p, scaled w, int m, int d);