THRIFT-3612 Add Python C extension for compact protocol
Client: Python
Patch: Nobuaki Sukegawa
This closes #844
diff --git a/lib/py/src/ext/endian.h b/lib/py/src/ext/endian.h
new file mode 100644
index 0000000..91372a7
--- /dev/null
+++ b/lib/py/src/ext/endian.h
@@ -0,0 +1,92 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef THRIFT_PY_ENDIAN_H
+#define THRIFT_PY_ENDIAN_H
+
+#include <Python.h>
+
+#ifndef _WIN32
+#include <netinet/in.h>
+#else
+#include <WinSock2.h>
+#pragma comment(lib, "ws2_32.lib")
+#define BIG_ENDIAN (4321)
+#define LITTLE_ENDIAN (1234)
+#define BYTE_ORDER LITTLE_ENDIAN
+#define inline __inline
+#endif
+
+/* Fix endianness issues on Solaris */
+#if defined(__SVR4) && defined(__sun)
+#if defined(__i386) && !defined(__i386__)
+#define __i386__
+#endif
+
+#ifndef BIG_ENDIAN
+#define BIG_ENDIAN (4321)
+#endif
+#ifndef LITTLE_ENDIAN
+#define LITTLE_ENDIAN (1234)
+#endif
+
+/* I386 is LE, even on Solaris */
+#if !defined(BYTE_ORDER) && defined(__i386__)
+#define BYTE_ORDER LITTLE_ENDIAN
+#endif
+#endif
+
+#ifndef __BYTE_ORDER
+#if defined(BYTE_ORDER) && defined(LITTLE_ENDIAN) && defined(BIG_ENDIAN)
+#define __BYTE_ORDER BYTE_ORDER
+#define __LITTLE_ENDIAN LITTLE_ENDIAN
+#define __BIG_ENDIAN BIG_ENDIAN
+#else
+#error "Cannot determine endianness"
+#endif
+#endif
+
+// Same comment as the enum. Sorry.
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define ntohll(n) (n)
+#define htonll(n) (n)
+#if defined(__GNUC__) && defined(__GLIBC__)
+#include <byteswap.h>
+#define letohll(n) bswap_64(n)
+#define htolell(n) bswap_64(n)
+#else /* GNUC & GLIBC */
+#define letohll(n) ((((unsigned long long)ntohl(n)) << 32) + ntohl(n >> 32))
+#define htolell(n) ((((unsigned long long)htonl(n)) << 32) + htonl(n >> 32))
+#endif
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#if defined(__GNUC__) && defined(__GLIBC__)
+#include <byteswap.h>
+#define ntohll(n) bswap_64(n)
+#define htonll(n) bswap_64(n)
+#else /* GNUC & GLIBC */
+#define ntohll(n) ((((unsigned long long)ntohl(n)) << 32) + ntohl(n >> 32))
+#define htonll(n) ((((unsigned long long)htonl(n)) << 32) + htonl(n >> 32))
+#endif /* GNUC & GLIBC */
+#define letohll(n) (n)
+#define htolell(n) (n)
+#else /* __BYTE_ORDER */
+#error "Can't define htonll or ntohll!"
+#endif
+
+#endif // THRIFT_PY_ENDIAN_H