From 427c2cc9e8f640769a7f8771c42b89948e78028e Mon Sep 17 00:00:00 2001
From: Andreas Stieger <astieger@suse.com>
Date: Mon, 18 Sep 2017 21:15:52 +0200
Subject: [PATCH 1/2] in zstd compression, fix 32 bit build

format '%lu' expects argument of type 'long unsigned int', but argument ... has type 'size_t'

Closes ticket 23568.
---
 src/common/compress_zstd.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/common/compress_zstd.c b/src/common/compress_zstd.c
index 0808bcd9a..63e92ed22 100644
--- a/src/common/compress_zstd.c
+++ b/src/common/compress_zstd.c
@@ -62,10 +62,10 @@ tor_zstd_get_version_str(void)
 
   version_number = ZSTD_versionNumber();
   tor_snprintf(version_str, sizeof(version_str),
-               "%lu.%lu.%lu",
-               version_number / 10000 % 100,
-               version_number / 100 % 100,
-               version_number % 100);
+               "%d.%d.%d",
+               (int) version_number / 10000 % 100,
+               (int) version_number / 100 % 100,
+               (int) version_number % 100);
 
   return version_str;
 #else

From 1a26c6be8b013822eccaa2feece24954f60185bb Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 20 Sep 2017 09:45:03 -0400
Subject: [PATCH 2/2] changes file for bug23568

---
 changes/bug23568 | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 changes/bug23568

diff --git a/changes/bug23568 b/changes/bug23568
new file mode 100644
index 000000000..cac465568
--- /dev/null
+++ b/changes/bug23568
@@ -0,0 +1,4 @@
+  o Minor bugfixes (compilation):
+    - Fix a compilation warning when building with zstd support
+      on 32-bit platforms. Fixes bug 23568; bugfix on 0.3.1.1-alpha.
+      Found and fixed by Andreas Stieger.