1 files changed, 8 insertions, 0 deletions
diff --git a/util.h b/util.h
new file mode 100644
index 0000000..24b0da6
--- /dev/null
+++ b/util.h
@@ -0,0 +1,8 @@
+/*
+ * str   a NULL-terminated base decimal 10 unsigned integer
+ * out   out parameter, if conversion succeeded
+ *
+ * returns true if conversion succeeded.
+ */
+bool safe_strtoull(const char *str, unsigned long long *out);
+