From acdb5b72db15b45eccca0d3c3b3e47ee3315fff1 Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Mon, 1 May 2017 15:26:53 -0700
Subject: [PATCH] Fix RFC 8142 support: Don't try to split *all* memory mapped
 files

---
 CHANGELOG.md | 4 ++++
 main.cpp     | 4 ++--
 version.hpp  | 2 +-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index be760cb..e0ffb96 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.17.4
+
+* Fix RFC 8142 support: Don't try to split *all* memory mapped files
+
 ## 1.17.3
 
 * Support RFC 8142 GeoJSON text sequences
diff --git a/main.cpp b/main.cpp
index 0fb4d65..436af22 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1202,7 +1202,7 @@ int read_input(std::vector<source> &sources, char *fname, int &maxzoom, int minz
 		char *map = NULL;
 		off_t off = 0;
 
-		int read_parallel_this = read_parallel ? '\n' : 0x1E;
+		int read_parallel_this = read_parallel ? '\n' : 0;
 
 		if (1) {
 			if (fstat(fd, &st) == 0) {
@@ -1234,7 +1234,7 @@ int read_input(std::vector<source> &sources, char *fname, int &maxzoom, int minz
 			}
 		}
 
-		if (map != NULL && map != MAP_FAILED) {
+		if (map != NULL && map != MAP_FAILED && read_parallel_this) {
 			do_read_parallel(map, st.st_size - off, overall_offset, reading.c_str(), reader, &progress_seq, exclude, include, exclude_all, fname, basezoom, layer, nlayers, &layermaps, droprate, initialized, initial_x, initial_y, maxzoom, sources[layer].layer, uses_gamma, attribute_types, read_parallel_this);
 			overall_offset += st.st_size - off;
 			checkdisk(reader, CPUS);
diff --git a/version.hpp b/version.hpp
index c512260..65d04a1 100644
--- a/version.hpp
+++ b/version.hpp
@@ -1 +1 @@
-#define VERSION "tippecanoe v1.17.3\n"
+#define VERSION "tippecanoe v1.17.4\n"