Move to kernel style SPDX license identifiers

[lttng-ust.git] / include / lttng / ust-endian.h

diff --git a/include/lttng/ust-endian.h b/include/lttng/ust-endian.h
index f676162b067a1ec2f61bdf856e7a1d5402b62537..a0a6db3ba16b11daaccb7d78468baeda514b46ef 100644 (file)
--- a/include/lttng/ust-endian.h
+++ b/include/lttng/ust-endian.h
@@ -1,40 +1,42 @@
-#ifndef _LTTNG_UST_ENDIAN_H
-#define _LTTNG_UST_ENDIAN_H
-
 /*
- * lttng/ust-endian.h
+ * SPDX-License-Identifier: MIT
  *
- * Copyright 2012 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * endian.h compatibility layer.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
  */
 
+#ifndef _LTTNG_UST_ENDIAN_H
+#define _LTTNG_UST_ENDIAN_H
+
 #if (defined(__linux__) || defined(__CYGWIN__))
 #include <endian.h>
+#include <byteswap.h>
 #elif defined(__FreeBSD__)
-#include <machine/endian.h>
+#include <sys/endian.h>
+#define bswap_16(x)    bswap16(x)
+#define bswap_32(x)    bswap32(x)
+#define bswap_64(x)    bswap64(x)
 #else
 #error "Please add support for your OS."
 #endif
 
+/*
+ * BYTE_ORDER, LITTLE_ENDIAN, and BIG_ENDIAN are only defined on Linux
+ * if __USE_BSD is defined. Force their definition.
+ */
+#ifndef BYTE_ORDER
+#define BYTE_ORDER __BYTE_ORDER
+#endif
+
+#ifndef LITTLE_ENDIAN
+#define LITTLE_ENDIAN __LITTLE_ENDIAN
+#endif
+
+#ifndef BIG_ENDIAN
+#define BIG_ENDIAN __BIG_ENDIAN
+#endif
+
 #ifndef FLOAT_WORD_ORDER
 #ifdef __FLOAT_WORD_ORDER
 #define FLOAT_WORD_ORDER       __FLOAT_WORD_ORDER