Define basename() for API < 23.

1 files changed, 52 insertions, 0 deletions

diff --git a/basename-impl.h b/basename-impl.h
new file mode 100644
index 000000000000..6218ddd1dff1
--- /dev/null
+++ b/basename-impl.h
@@ -0,0 +1,52 @@
+/*
+ * libkmod - interface to kernel module operations
+ *
+ * Copyright (C) 2024  Gonzalo Exequiel Pedone. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+#ifndef _BASENAME_IMPL_H_
+#define _BASENAME_IMPL_H_
+
+#include <string.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+inline char *basename(char *path)
+{
+    int i;
+    int len;
+    int last;
+
+    if (path == NULL)
+        return NULL;
+
+    len = strlen(path);
+    last = len - 1;
+
+    for (i = last; i >= 0; i--)
+        if (*(path + i) == '/')
+            return path + i + 1;
+
+    return path + len;
+}
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+#endif