gcc warning fix: -Wextra

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

diff --git a/include/lttng/bitfield.h b/include/lttng/bitfield.h
index c3f2d1ace18b97537212f55d8a3f898022da6139..ef5453c29be2397b225126daa8b2515abdb33c61 100644 (file)
--- a/include/lttng/bitfield.h
+++ b/include/lttng/bitfield.h
@@ -17,12 +17,19 @@
  *
  * 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.
  */
 
 #include <stdint.h>    /* C99 5.2.4.2 Numerical limits */
 #include <limits.h>    /* C99 5.2.4.2 Numerical limits */
 #include <lttng/ust-endian.h>  /* Non-standard BIG_ENDIAN, LITTLE_ENDIAN, BYTE_ORDER */
-#include <assert.h>
 
 /* We can't shift a int from 32 bit, >> 32 and << 32 on int is undefined */
 #define _bt_piecewise_rshift(_v, _shift)                               \
@@ -49,7 +56,7 @@
        ___v <<= final;                                                 \
 })
 
-#define _bt_is_signed_type(type)       (((type)(-1)) < 0)
+#define _bt_is_signed_type(type)       ((type) -1 < (type) 0)
 
 #define _bt_unsigned_cast(type, v)                                     \
 ({                                                                     \