From 881f34061067c54b6adec913540bc66bdd3de600 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Sun, 4 Sep 2016 06:12:35 +0100
Subject: [PATCH] increase size limit for b64 encoded-data

we had 1 mb limit, but some large cmyk profiles can bust through that,
up it to 10mb
---
 libvips/iofuncs/base64.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libvips/iofuncs/base64.c b/libvips/iofuncs/base64.c
index 6808c616..c972d3f3 100644
--- a/libvips/iofuncs/base64.c
+++ b/libvips/iofuncs/base64.c
@@ -168,9 +168,11 @@ vips__b64_encode( const unsigned char *data, size_t data_length )
 	int i;
 	int cursor;
 
-	if( output_data_length > 1024 * 1024 ) {
+	if( output_data_length > 10 * 1024 * 1024 ) {
 		/* We shouldn't really be used for large amounts of data, plus
 		 * we are using int offsets.
+		 *
+		 * A large ICC profile can be 1MB, so allow 10MB of b64.
 		 */
 		vips_error( "vips__b64_encode", "%s", _( "too much data" ) );
 		return( NULL );