From de6c6bce859193ac7dc50a96b01c6de4ae9e328b Mon Sep 17 00:00:00 2001
From: Nick Terrell <terrelln@fb.com>
Date: Thu, 24 Aug 2017 18:09:50 -0700
Subject: [PATCH] Fix zstd_internal.h for C++ mode

---
 lib/common/zstd_common.c   | 3 +--
 lib/common/zstd_internal.h | 8 ++++++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/lib/common/zstd_common.c b/lib/common/zstd_common.c
index 08384cabf..1155c60c4 100644
--- a/lib/common/zstd_common.c
+++ b/lib/common/zstd_common.c
@@ -15,8 +15,7 @@
 #include <stdlib.h>      /* malloc, calloc, free */
 #include <string.h>      /* memset */
 #include "error_private.h"
-#define ZSTD_STATIC_LINKING_ONLY
-#include "zstd.h"
+#include "zstd_internal.h"
 
 
 /*-****************************************
diff --git a/lib/common/zstd_internal.h b/lib/common/zstd_internal.h
index ac1f39896..fce75723a 100644
--- a/lib/common/zstd_internal.h
+++ b/lib/common/zstd_internal.h
@@ -29,6 +29,11 @@
 #include "xxhash.h"                /* XXH_reset, update, digest */
 
 
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+
 /*-*************************************
 *  Debug
 ***************************************/
@@ -334,5 +339,8 @@ typedef struct {
 size_t ZSTD_getcBlockSize(const void* src, size_t srcSize,
                           blockProperties_t* bpPtr);
 
+#if defined (__cplusplus)
+}
+#endif
 
 #endif   /* ZSTD_CCOMMON_H_MODULE */