Compress Blosc: Fix MSVC Build

Generalize packed data attributes.
ornladios · Jun 4, 2021 · 7073d49 · 7073d49
1 parent d0a2adf
commit 7073d49
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/source/adios2/operator/compress/CompressBlosc.h b/source/adios2/operator/compress/CompressBlosc.h
@@ -17,6 +17,14 @@
 
 #include "adios2/core/Operator.h"
 
+#if defined(_MSC_VER)
+#define ADIOS2_CLASS_PACKED(name) \
+    __pragma(pack(push, 1)) class name __pragma(pack(pop))
+#else
+#define ADIOS2_CLASS_PACKED(name) \
+    class __attribute__((packed)) name
+#endif
+
 namespace adios2
 {
 namespace core
@@ -77,7 +85,7 @@ class CompressBlosc : public Operator
                                void *dataOut, const size_t sizeOut,
                                Params &info) const;
 
-    class __attribute__((packed)) DataHeader
+    ADIOS2_CLASS_PACKED(DataHeader)
     {
         /** compatible to the first 4 byte of blosc header
          *
@@ -116,4 +124,6 @@ class CompressBlosc : public Operator
 } // end namespace core
 } // end namespace adios2
 
+#undef ADIOS2_CLASS_PACKED
+
 #endif /* ADIOS2_OPERATOR_COMPRESS_COMPRESSBLOSC_H_ */