Remove core.h

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

diff --git a/include/helper.h b/include/helper.h
new file mode 100644 (file)
index 0000000..8aeb772
--- /dev/null
+++ b/include/helper.h
@@ -0,0 +1,44 @@
+#ifndef _LTTNG_UST_HELPER_H
+#define _LTTNG_UST_HELPER_H
+
+/*
+ * Copyright (C) 2011  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; version 2.1 of
+ * the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <stdlib.h>
+
+static inline
+void *zmalloc(size_t len)
+{
+       return calloc(len, 1);
+}
+
+#define max_t(type, x, y)                              \
+       ({                                              \
+               type __max1 = (x);                      \
+               type __max2 = (y);                      \
+               __max1 > __max2 ? __max1: __max2;       \
+       })
+
+#define min_t(type, x, y)                              \
+       ({                                              \
+               type __min1 = (x);                      \
+               type __min2 = (y);                      \
+               __min1 <= __min2 ? __min1: __min2;      \
+       })
+
+#endif /* _LTTNG_UST_HELPER_H */