From b415f518883fb54bec47081a5d2adaf1371dfc0e Mon Sep 17 00:00:00 2001
From: verdant <im@verdant.ee>
Date: Mon, 27 Jul 2026 09:28:30 +0800
Subject: Implement xdirname, xbasename

---
 dir.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 dir.h | 30 ++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+)
 create mode 100644 dir.c
 create mode 100644 dir.h

diff --git a/dir.c b/dir.c
new file mode 100644
index 0000000..ec69737
--- /dev/null
+++ b/dir.c
@@ -0,0 +1,58 @@
+/*
+ * Ported/adapted from nnn (https://github.com/jarun/nnn): xdirname(),
+ * xbasename()
+ *
+ * Copyright (C) 2014-2016, Lazaros Koromilas <lostd@2f30.org>
+ * Copyright (C) 2014-2016, Dimitris Papastamos <sin@2f30.org>
+ * Copyright (C) 2016-2026, Arun Prakash Jana <engineerarun@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define _GNU_SOURCE
+#include "dir.h"
+#include "log.h"
+#include "mem.h"
+#include <dirent.h>
+#include <stdio.h>
+#include <string.h>
+
+char *xdirname(char *path)
+{
+	char *base = memrchr((unsigned char *)path, '/', strlen(path));
+
+	if (base == path)
+		path[1] = '\0';
+	else
+		*base = '\0';
+
+	return path;
+}
+
+char *xbasename(char *path)
+{
+	char *base = memrchr((unsigned char *)path, '/', strlen(path));
+
+	return base ? base + 1 : path;
+}
diff --git a/dir.h b/dir.h
new file mode 100644
index 0000000..7c576b4
--- /dev/null
+++ b/dir.h
@@ -0,0 +1,30 @@
+#ifndef SF_DIR_H
+#define SF_DIR_H
+
+#include <limits.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "wm.h"
+
+/* typedef struct { */
+/* 	char name[256]; */
+/* 	bool is_dir; */
+/* } file_entry; */
+
+/* typedef struct { */
+/* 	char path[PATH_MAX]; */
+/* 	directory dir; */
+/* 	size_t cursor; */
+/* 	file_entry *entries; */
+/* 	size_t count; */
+/* 	size_t capacity; */
+/* } dir_stat; */
+
+char *xdirname(char *path);
+char *xbasename(char *path);
+/* directory *dir_read(directory *dir, const char *path); */
+
+/* void dir_free(directory *dir); */
+
+#endif /* SF_DIR_H */
-- 
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