X-Git-Url: https://git.efficios.com/?a=blobdiff_plain;f=src%2Fcommon%2Fstring-utils%2Fformat.hpp;fp=src%2Fcommon%2Fstring-utils%2Fformat.hpp;h=244652332f1eee0d60a541baef9e53739b82b8b3;hb=7532fa3bd22e403958f46cd35c824f490d93292d;hp=0000000000000000000000000000000000000000;hpb=985aea182b618c85c51651f224abedfe367c75ee;p=deliverable%2Flttng-tools.git

diff --git a/src/common/string-utils/format.hpp b/src/common/string-utils/format.hpp
new file mode 100644
index 000000000..244652332
--- /dev/null
+++ b/src/common/string-utils/format.hpp
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2019 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef _STRING_UTILS_FORMAT_H
+#define _STRING_UTILS_FORMAT_H
+
+/*
+ * Maximal length of `val` when formatted in decimal.
+ *
+ * Note that this is an upper bound that can exceed the length
+ * required to hold the largest textual value of `val`. Note that this length
+ * assumes that no grouping/locale-aware formatting is performed (i.e. using
+ * the `'` specifier in POSIX formatting functions).
+ */
+#define MAX_INT_DEC_LEN(val)       ((3 * sizeof(val)) + 2)
+
+#endif /* _STRING_UTILS_FORMAT_H */