From e34c000e44444b9f8bd62e5af0a355ee186eb21f Mon Sep 17 00:00:00 2001
From: Duc Ngo <duc@fb.com>
Date: Fri, 8 Jun 2018 11:29:51 -0700
Subject: [PATCH 1/3] Expose ZSTD_CLEVEL_DEFAULT and update documentation

---
 lib/compress/zstd_compress.c |  9 ---------
 lib/zstd.h                   | 10 +++++++++-
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/lib/compress/zstd_compress.c b/lib/compress/zstd_compress.c
index e0c29ac4..ba70308d 100644
--- a/lib/compress/zstd_compress.c
+++ b/lib/compress/zstd_compress.c
@@ -8,15 +8,6 @@
  * You may select, at your option, one of the above-listed licenses.
  */
 
-
-/*-*************************************
-*  Tuning parameters
-***************************************/
-#ifndef ZSTD_CLEVEL_DEFAULT
-#  define ZSTD_CLEVEL_DEFAULT 3
-#endif
-
-
 /*-*************************************
 *  Dependencies
 ***************************************/
diff --git a/lib/zstd.h b/lib/zstd.h
index 8f42ff81..e49cc815 100644
--- a/lib/zstd.h
+++ b/lib/zstd.h
@@ -35,6 +35,14 @@ extern "C" {
 #endif
 
 
+/*-*************************************
+*  Tuning parameters
+***************************************/
+#ifndef ZSTD_CLEVEL_DEFAULT
+#  define ZSTD_CLEVEL_DEFAULT 3
+#endif
+
+
 /*******************************************************************************************************
   Introduction
 
@@ -949,7 +957,7 @@ typedef enum {
     /* compression parameters */
     ZSTD_p_compressionLevel=100, /* Update all compression parameters according to pre-defined cLevel table
                               * Default level is ZSTD_CLEVEL_DEFAULT==3.
-                              * Special: value 0 means "do not change cLevel".
+                              * Special: value 0 means default, which is controlled by ZSTD_CLEVEL_DEFAULT.
                               * Note 1 : it's possible to pass a negative compression level by casting it to unsigned type.
                               * Note 2 : setting a level sets all default values of other compression parameters.
                               * Note 3 : setting compressionLevel automatically updates ZSTD_p_compressLiterals. */

From e8ef725e1346b6551e8733c80b87f80894794ee5 Mon Sep 17 00:00:00 2001
From: Duc Ngo <duc@fb.com>
Date: Mon, 11 Jun 2018 10:01:35 -0700
Subject: [PATCH 2/3] Address comments

---
 lib/zstd.h | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/lib/zstd.h b/lib/zstd.h
index e49cc815..99505cba 100644
--- a/lib/zstd.h
+++ b/lib/zstd.h
@@ -34,15 +34,6 @@ extern "C" {
 #  define ZSTDLIB_API ZSTDLIB_VISIBILITY
 #endif
 
-
-/*-*************************************
-*  Tuning parameters
-***************************************/
-#ifndef ZSTD_CLEVEL_DEFAULT
-#  define ZSTD_CLEVEL_DEFAULT 3
-#endif
-
-
 /*******************************************************************************************************
   Introduction
 
@@ -78,6 +69,12 @@ ZSTDLIB_API unsigned ZSTD_versionNumber(void);   /**< useful to check dll versio
 #define ZSTD_VERSION_STRING ZSTD_EXPAND_AND_QUOTE(ZSTD_LIB_VERSION)
 ZSTDLIB_API const char* ZSTD_versionString(void);   /* added in v1.3.0 */
 
+/***************************************
+*  Default constant
+***************************************/
+#ifndef ZSTD_CLEVEL_DEFAULT
+#  define ZSTD_CLEVEL_DEFAULT 3
+#endif
 
 /***************************************
 *  Simple API

From 869e2718f688c867251e4f2aa76fe8b90ba078c0 Mon Sep 17 00:00:00 2001
From: Duc Ngo <duc@fb.com>
Date: Mon, 11 Jun 2018 10:02:15 -0700
Subject: [PATCH 3/3] Line break

---
 lib/zstd.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/zstd.h b/lib/zstd.h
index 99505cba..526f5caf 100644
--- a/lib/zstd.h
+++ b/lib/zstd.h
@@ -34,6 +34,7 @@ extern "C" {
 #  define ZSTDLIB_API ZSTDLIB_VISIBILITY
 #endif
 
+
 /*******************************************************************************************************
   Introduction