1 files changed, 39 insertions, 0 deletions
diff --git a/libbb/isdirectory.c b/libbb/isdirectory.c
new file mode 100644
index 000000000..b35919869
--- /dev/null
+++ b/libbb/isdirectory.c
@@ -0,0 +1,39 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Based in part on code from sash, Copyright (c) 1999 by David I. Bell
+ * Permission has been granted to redistribute this code under the GPL.
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include <sys/stat.h>
+#include "libbb.h"
+
+/*
+ * Return TRUE if a fileName is a directory.
+ * Nonexistent files return FALSE.
+ */
+int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
+{
+	int status;
+	struct stat astatBuf;
+
+	if (statBuf == NULL) {
+	    /* set from auto stack buffer */
+	    statBuf = &astatBuf;
+	}
+
+	if (followLinks)
+		status = stat(fileName, statBuf);
+	else
+		status = lstat(fileName, statBuf);
+
+	if (status < 0 || !(S_ISDIR(statBuf->st_mode))) {
+	    status = FALSE;
+	}
+	else status = TRUE;
+
+	return status;
+}