initial commit

sort.hh

@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * (c) 2025, Konstantin Demin
+ */
+
+#ifndef INCLUDE_SORT_MODE_HH
+#define INCLUDE_SORT_MODE_HH 1
+
+enum struct sort_mode : unsigned int {
+	// don't sort entries at all
+	none = 0,
+
+	// sort entries using version sort from coreutils
+	coreutils_version_sort,
+
+	// sort entries using version sort from glibc
+	glibc_version_sort,
+
+	// simpliest sort via strcmp()
+	simple_sort,
+
+	_default = coreutils_version_sort,
+};
+
+int custom_sort(const char * a, const char * b, sort_mode mode);
+
+#endif /* INCLUDE_SORT_MODE_HH */