1 files changed, 19 insertions, 0 deletions
diff --git a/libadhocutil/case_less.h b/libadhocutil/case_less.h
new file mode 100644
index 0000000..fbe3d3b
--- /dev/null
+++ b/libadhocutil/case_less.h
@@ -0,0 +1,19 @@
+#ifndef ADHOCUTIL_CASELESS_H
+#define ADHOCUTIL_CASELESS_H
+
+#include <algorithm>
+#include <cstring>
+
+namespace AdHoc {
+	struct case_less {
+		template<typename A, typename B>
+		inline bool
+		operator()(const A & a, const B & b) const
+		{
+			const auto cmp = strncasecmp(a.data(), b.data(), std::min(a.length(), b.length()));
+			return (cmp < 0) || (!cmp && a.length() < b.length());
+		}
+	};
+}
+
+#endif