From b42dd27ef5ad325943174b43334c3c63d1e94a35 Mon Sep 17 00:00:00 2001
From: Nick Terrell <terrelln@fb.com>
Date: Fri, 27 Jan 2017 16:00:19 -0800
Subject: [PATCH] Add include guards and extern C

---
 lib/common/pool.h              | 10 ++++++++++
 lib/compress/zstdmt_compress.c |  2 +-
 lib/compress/zstdmt_compress.h | 14 ++++++++++++++
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/lib/common/pool.h b/lib/common/pool.h
index c26f543f..50cb25b1 100644
--- a/lib/common/pool.h
+++ b/lib/common/pool.h
@@ -9,6 +9,11 @@
 #ifndef POOL_H
 #define POOL_H
 
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+
 #include <stddef.h>   /* size_t */
 
 typedef struct POOL_ctx_s POOL_ctx;
@@ -43,4 +48,9 @@ typedef void (*POOL_add_function)(void *, POOL_function, void *);
 */
 void POOL_add(void *ctx, POOL_function function, void *opaque);
 
+
+#if defined (__cplusplus)
+}
+#endif
+
 #endif
diff --git a/lib/compress/zstdmt_compress.c b/lib/compress/zstdmt_compress.c
index 5f0bf2ab..7423d9db 100644
--- a/lib/compress/zstdmt_compress.c
+++ b/lib/compress/zstdmt_compress.c
@@ -21,7 +21,7 @@
 /* ======   Dependencies   ====== */
 #include <stdlib.h>   /* malloc */
 #include <string.h>   /* memcpy */
-#include <pool.h>     /* threadpool */
+#include "pool.h"     /* threadpool */
 #include "threading.h"  /* mutex */
 #include "zstd_internal.h"   /* MIN, ERROR, ZSTD_*, ZSTD_highbit32 */
 #include "zstdmt_compress.h"
diff --git a/lib/compress/zstdmt_compress.h b/lib/compress/zstdmt_compress.h
index 92de52d6..3a26b93d 100644
--- a/lib/compress/zstdmt_compress.h
+++ b/lib/compress/zstdmt_compress.h
@@ -7,6 +7,13 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
+ #ifndef ZSTDMT_COMPRESS_H
+ #define ZSTDMT_COMPRESS_H
+
+ #if defined (__cplusplus)
+ extern "C" {
+ #endif
+
 
 /* Note : All prototypes defined in this file shall be considered experimental.
  *        There is no guarantee of API continuity (yet) on any of these prototypes */
@@ -62,3 +69,10 @@ typedef enum {
  * Parameters not explicitly reset by ZSTDMT_init*() remain the same in consecutive compression sessions.
  * @return : 0, or an error code (which can be tested using ZSTD_isError()) */
 ZSTDLIB_API size_t ZSTDMT_setMTCtxParameter(ZSTDMT_CCtx* mtctx, ZSDTMT_parameter parameter, unsigned value);
+
+
+#if defined (__cplusplus)
+}
+#endif
+
+#endif   /* ZSTDMT_COMPRESS_H */