Fix: allow tracepoints to build with --std=c99

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

diff --git a/include/lttng/ust-endian.h b/include/lttng/ust-endian.h
index 2426b1467214634f8daa0bc472e995f55860d6ef..a512b02bf3719fc89f2126df72e5f46a5d93a194 100644 (file)
--- a/include/lttng/ust-endian.h
+++ b/include/lttng/ust-endian.h
@@ -8,17 +8,26 @@
  *
  * endian.h compatibility layer.
  *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
+ * 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:
  *
- * Permission is hereby granted to use or copy this program
- * for any purpose,  provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
+ * 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.
  */
 
-#ifdef __linux__
+#if (defined(__linux__) || defined(__CYGWIN__))
 #include <endian.h>
 #elif defined(__FreeBSD__)
 #include <machine/endian.h>
@@ -26,6 +35,22 @@
 #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