Add libhv and test http client

vendor/libhv/include/hv/hexport.h

@@ -0,0 +1,157 @@
+#ifndef HV_EXPORT_H_
+#define HV_EXPORT_H_
+
+// HV_EXPORT
+#if defined(HV_STATICLIB) || defined(HV_SOURCE)
+    #define HV_EXPORT
+#elif defined(_MSC_VER)
+    #if defined(HV_DYNAMICLIB) || defined(HV_EXPORTS) || defined(hv_EXPORTS)
+        #define HV_EXPORT  __declspec(dllexport)
+    #else
+        #define HV_EXPORT  __declspec(dllimport)
+    #endif
+#elif defined(__GNUC__)
+    #define HV_EXPORT  __attribute__((visibility("default")))
+#else
+    #define HV_EXPORT
+#endif
+
+// HV_INLINE
+#define HV_INLINE static inline
+
+// HV_DEPRECATED
+#if defined(HV_NO_DEPRECATED)
+#define HV_DEPRECATED
+#elif defined(__GNUC__) || defined(__clang__)
+#define HV_DEPRECATED   __attribute__((deprecated))
+#elif defined(_MSC_VER)
+#define HV_DEPRECATED   __declspec(deprecated)
+#else
+#define HV_DEPRECATED
+#endif
+
+// HV_UNUSED
+#if defined(__GNUC__)
+    #define HV_UNUSED   __attribute__((visibility("unused")))
+#else
+    #define HV_UNUSED
+#endif
+
+// @param[IN | OUT | INOUT]
+#ifndef IN
+#define IN
+#endif
+
+#ifndef OUT
+#define OUT
+#endif
+
+#ifndef INOUT
+#define INOUT
+#endif
+
+// @field[OPTIONAL | REQUIRED | REPEATED]
+#ifndef OPTIONAL
+#define OPTIONAL
+#endif
+
+#ifndef REQUIRED
+#define REQUIRED
+#endif
+
+#ifndef REPEATED
+#define REPEATED
+#endif
+
+#ifdef __cplusplus
+
+#ifndef EXTERN_C
+#define EXTERN_C            extern "C"
+#endif
+
+#ifndef BEGIN_EXTERN_C
+#define BEGIN_EXTERN_C      extern "C" {
+#endif
+
+#ifndef END_EXTERN_C
+#define END_EXTERN_C        } // extern "C"
+#endif
+
+#ifndef BEGIN_NAMESPACE
+#define BEGIN_NAMESPACE(ns) namespace ns {
+#endif
+
+#ifndef END_NAMESPACE
+#define END_NAMESPACE(ns)   } // namespace ns
+#endif
+
+#ifndef USING_NAMESPACE
+#define USING_NAMESPACE(ns) using namespace ns;
+#endif
+
+#ifndef DEFAULT
+#define DEFAULT(x)  = x
+#endif
+
+#ifndef ENUM
+#define ENUM(e)     enum e
+#endif
+
+#ifndef STRUCT
+#define STRUCT(s)   struct s
+#endif
+
+#else
+
+#define EXTERN_C    extern
+#define BEGIN_EXTERN_C
+#define END_EXTERN_C
+
+#define BEGIN_NAMESPACE(ns)
+#define END_NAMESPACE(ns)
+#define USING_NAMESPACE(ns)
+
+#ifndef DEFAULT
+#define DEFAULT(x)
+#endif
+
+#ifndef ENUM
+#define ENUM(e)\
+typedef enum e e;\
+enum e
+#endif
+
+#ifndef STRUCT
+#define STRUCT(s)\
+typedef struct s s;\
+struct s
+#endif
+
+#endif // __cplusplus
+
+#define BEGIN_NAMESPACE_HV  BEGIN_NAMESPACE(hv)
+#define END_NAMESPACE_HV    END_NAMESPACE(hv)
+#define USING_NAMESPACE_HV  USING_NAMESPACE(hv)
+
+// MSVC ports
+#ifdef _MSC_VER
+
+#pragma warning (disable: 4251) // STL dll
+#pragma warning (disable: 4275) // dll-interface
+
+#if _MSC_VER < 1900 // < VS2015
+
+#ifndef __cplusplus
+#ifndef inline
+#define inline __inline
+#endif
+#endif
+
+#ifndef snprintf
+#define snprintf _snprintf
+#endif
+
+#endif
+#endif
+
+#endif // HV_EXPORT_H_