From 50cc85d465a631c3bdbf204e6ab8bc7c97431eb6 Mon Sep 17 00:00:00 2001
From: Robin Watts <robin.watts@artifex.com>
Date: Wed, 27 Jun 2012 18:04:57 +0100
Subject: Make ASCII85 decoding more tolerant of end of stream errors.

This solves the normal_87.pdf rendering issues.
---
 fitz/filt_basic.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'fitz')

diff --git a/fitz/filt_basic.c b/fitz/filt_basic.c
index 7d504f29..ef6dc920 100644
--- a/fitz/filt_basic.c
+++ b/fitz/filt_basic.c
@@ -350,7 +350,11 @@ read_a85d(fz_stream *stm, unsigned char *buf, int len)
 			case 0:
 				break;
 			case 1:
-				fz_throw(stm->ctx, "partial final byte in a85d");
+				/* Specifically illegal in the spec, but adobe
+				 * and gs both cope. See normal_87.pdf for a
+				 * case where this matters. */
+				fz_warn(stm->ctx, "partial final byte in a85d");
+				break;
 			case 2:
 				word = word * (85 * 85 * 85) + 0xffffff;
 				state->bp[0] = word >> 24;
-- 
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