From 98bb04cf93549455583d95b693c01b243b712c61 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Wed, 20 Aug 2008 19:39:27 +0100
Subject: [ps] Check for end-of-stream after advancing character.

Whilst writing the base85 stream we advance an extra character if we spot
a '~', however we need to be paranoid that we have not stepped beyond the
end of the data for this write.
---
 src/cairo-ps-surface.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/cairo-ps-surface.c b/src/cairo-ps-surface.c
index 77c30355..b20c5b10 100644
--- a/src/cairo-ps-surface.c
+++ b/src/cairo-ps-surface.c
@@ -1583,7 +1583,10 @@ _string_array_stream_write (cairo_output_stream_t *base,
 	    _cairo_output_stream_write (stream->output, &c, 1);
 	    stream->column++;
 	    stream->string_size++;
-	    length--;
+
+	    if (length-- == 0)
+		break;
+
 	    c = *data++;
 	}
 	_cairo_output_stream_write (stream->output, &c, 1);
-- 
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