libwinpr-utils: started endianness utility macros

winpr/include/winpr/endian.h

@@ -0,0 +1,133 @@
+/*
+ * WinPR: Windows Portable Runtime
+ * Endianness Macros
+ *
+ * Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+ *
+ * Licensed 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 WINPR_ENDIAN_H
+#define WINPR_ENDIAN_H
+
+#include <winpr/winpr.h>
+#include <winpr/wtypes.h>
+#include <winpr/platform.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define Data_Read_UINT8_NE(_d, _v) do { _v = \
+	*_d; } while (0)
+
+#define Data_Read_UINT8(_d, _v) do { _v = \
+	*_d; } while (0)
+
+#define Data_Read_UINT16_NE(_d, _v) do { _v = \
+	*((UINT16*) _d); } while (0)
+
+#define Data_Read_UINT16(_d, _v) do { _v = \
+	(UINT16)(*_d) + \
+	(((UINT16)(*(_d))) << 8); \
+	} while (0)
+
+#define Data_Read_UINT16_BE(_d, _v) do { _v = \
+	(((UINT16)(*_d)) << 8) + \
+	(UINT16)(*(_d + 1)); \
+	} while (0)
+
+#define Data_Read_UINT32_NE(_d, _v) do { _v = \
+	*((UINT32*) _d); } while (0)
+
+#define Data_Read_UINT32(_d, _v) do { _v = \
+	(UINT32)(*_d) + \
+	(((UINT32)(*(_d + 1))) << 8) + \
+	(((UINT32)(*(_d + 2))) << 16) + \
+	(((UINT32)(*(_d + 3))) << 24); \
+	} while (0)
+
+#define Data_Read_UINT32_BE(_d, _v) do { _v = \
+	(((UINT32)(*(_d))) << 24) + \
+	(((UINT32)(*(_d + 1))) << 16) + \
+	(((UINT32)(*(_d + 2))) << 8) + \
+	(((UINT32)(*(_d + 3)))); \
+	} while (0)
+
+#define Data_Read_UINT64_NE(_d, _v) do { _v = \
+	*((UINT64*) _d); } while (0)
+
+#define Data_Read_UINT64(_d, _v) do { _v = \
+	(UINT64)(*_d) + \
+	(((UINT64)(*(_d + 1))) << 8) + \
+	(((UINT64)(*(_d + 2))) << 16) + \
+	(((UINT64)(*(_d + 3))) << 24) + \
+	(((UINT64)(*(_d + 4))) << 32) + \
+	(((UINT64)(*(_d + 5))) << 40) + \
+	(((UINT64)(*(_d + 6))) << 48) + \
+	(((UINT64)(*(_d + 7))) << 56); \
+	} while (0)
+
+#define Data_Write_UINT8_NE(_d, _v) do { \
+	*((UINT8*) _d) = v; } while (0)
+
+#define Data_Write_UINT8(_d, _v) do { \
+	*_d = (UINT8)(_v); } while (0)
+
+#define Data_Write_UINT16_NE(_d, _v) do { \
+	*((UINT16*) _d) = v; } while (0)
+
+#define Data_Write_UINT16(_d, _v) do { \
+	*(_d) = (_v) & 0xFF; \
+	*(_d + 1) = ((_v) >> 8) & 0xFF; \
+	} while (0)
+
+#define Data_Write_UINT16_BE(_d, _v) do { \
+	*(_d) = ((_v) >> 8) & 0xFF; \
+	*(_d + 1) = (_v) & 0xFF; \
+	} while (0)
+
+#define Data_Write_UINT32_NE(_d, _v) do { \
+	*((UINT32*) _d) = v; } while (0)
+
+#define Data_Write_UINT32(_d, _v) do { \
+	*(_d) = (_v) & 0xFF; \
+	*(_d + 1) = ((_v) >> 8) & 0xFF; \
+	*(_d + 2) = ((_v) >> 16) & 0xFF; \
+	*(_d + 3) = ((_v) >> 24) & 0xFF; \
+	} while (0)
+
+#define Data_Write_UINT32_BE(_d, _v) do { \
+	Data_Write_UINT16_BE(_d, ((_v) >> 16 & 0xFFFF)); \
+	Data_Write_UINT16_BE(_d + 2, ((_v) & 0xFFFF)); \
+	} while (0)
+
+#define Data_Write_UINT64_NE(_d, _v) do { \
+	*((UINT64*) _d) = v; } while (0)
+
+#define Data_Write_UINT64(_d, _v) do { \
+	*(_d) = (UINT64)(_v) & 0xFF; \
+	*(_d + 1) = ((UINT64)(_v) >> 8) & 0xFF; \
+	*(_d + 2) = ((UINT64)(_v) >> 16) & 0xFF; \
+	*(_d + 3) = ((UINT64)(_v) >> 24) & 0xFF; \
+	*(_d + 4) = ((UINT64)(_v) >> 32) & 0xFF; \
+	*(_d + 5) = ((UINT64)(_v) >> 40) & 0xFF; \
+	*(_d + 6) = ((UINT64)(_v) >> 48) & 0xFF; \
+	*(_d + 7) = ((UINT64)(_v) >> 56) & 0xFF; \
+	} while (0)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* WINPR_ENDIAN_H */

winpr/include/winpr/stream.h

@@ -23,6 +23,7 @@
 
 #include <winpr/winpr.h>
 #include <winpr/wtypes.h>
+#include <winpr/endian.h>
 
 #ifdef __cplusplus
 extern "C" {