VOL-2112 move to voltha-lib-go
Change-Id: Ic1af08003c1d2c698c0cce371e64f47b47b8d875
diff --git a/vendor/github.com/DataDog/zstd/mem.h b/vendor/github.com/DataDog/zstd/mem.h
index 47d2300..5da2487 100644
--- a/vendor/github.com/DataDog/zstd/mem.h
+++ b/vendor/github.com/DataDog/zstd/mem.h
@@ -39,6 +39,10 @@
# define MEM_STATIC static /* this version may generate warnings for unused static functions; disable the relevant warning */
#endif
+#ifndef __has_builtin
+# define __has_builtin(x) 0 /* compat. with non-clang compilers */
+#endif
+
/* code only tested on 32 and 64 bits systems */
#define MEM_STATIC_ASSERT(c) { enum { MEM_static_assert = 1/(int)(!!(c)) }; }
MEM_STATIC void MEM_check(void) { MEM_STATIC_ASSERT((sizeof(size_t)==4) || (sizeof(size_t)==8)); }
@@ -57,11 +61,23 @@
typedef uint64_t U64;
typedef int64_t S64;
#else
+# include <limits.h>
+#if CHAR_BIT != 8
+# error "this implementation requires char to be exactly 8-bit type"
+#endif
typedef unsigned char BYTE;
+#if USHRT_MAX != 65535
+# error "this implementation requires short to be exactly 16-bit type"
+#endif
typedef unsigned short U16;
typedef signed short S16;
+#if UINT_MAX != 4294967295
+# error "this implementation requires int to be exactly 32-bit type"
+#endif
typedef unsigned int U32;
typedef signed int S32;
+/* note : there are no limits defined for long long type in C90.
+ * limits exist in C99, however, in such case, <stdint.h> is preferred */
typedef unsigned long long U64;
typedef signed long long S64;
#endif
@@ -186,7 +202,8 @@
{
#if defined(_MSC_VER) /* Visual Studio */
return _byteswap_ulong(in);
-#elif defined (__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 403)
+#elif (defined (__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 403)) \
+ || (defined(__clang__) && __has_builtin(__builtin_bswap32))
return __builtin_bswap32(in);
#else
return ((in << 24) & 0xff000000 ) |
@@ -200,7 +217,8 @@
{
#if defined(_MSC_VER) /* Visual Studio */
return _byteswap_uint64(in);
-#elif defined (__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 403)
+#elif (defined (__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 403)) \
+ || (defined(__clang__) && __has_builtin(__builtin_bswap64))
return __builtin_bswap64(in);
#else
return ((in << 56) & 0xff00000000000000ULL) |