From dd8f43a697ea0b4b1b264e7f71230e41ab9e6db8 Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Tue, 23 Sep 2014 12:17:18 -0700
Subject: [PATCH] Bail if the tile size is larger than the uploader will accept

---
 tile.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tile.cc b/tile.cc
index d791b212..3a30cb0e 100644
--- a/tile.cc
+++ b/tile.cc
@@ -205,7 +205,11 @@ void write_tile(struct index *start, struct index *end, char *metabase, unsigned
 
 	tile.SerializeToString(&s);
 	compress(s, compressed);
-	//std::cout << compressed;
+
+	if (compressed.size() > 500000) {
+		fprintf(stderr, "tile %d/%u/%u size is %lld, >500000\n", z, tx, ty, (long long) compressed.size());
+		exit(EXIT_FAILURE);
+	}
 
 	const char *prefix = "tiles";
 	char path[strlen(prefix) + 200];