1 files changed, 45 insertions, 0 deletions
diff --git a/toys/other/readlink.c b/toys/other/readlink.c
new file mode 100644
index 00000000..51dbf02f
--- /dev/null
+++ b/toys/other/readlink.c
@@ -0,0 +1,45 @@
+/* vi: set sw=4 ts=4:
+ *
+ * readlink.c - Return string representation of a symbolic link.
+ *
+ * Copyright 2007 Rob Landley <rob@landley.net>
+ *
+ * Not in SUSv3.
+
+USE_READLINK(NEWTOY(readlink, "<1f", TOYFLAG_BIN))
+
+config READLINK
+	bool "readlink"
+	default n
+	help
+	  usage: readlink
+
+	  Show what a symbolic link points to.
+
+config READLINK_F
+	bool "readlink -f"
+	default n
+	depends on READLINK
+	help
+	  usage: readlink [-f]
+
+	  -f	Show full cannonical path, with no symlinks in it.  Returns
+		nonzero if nothing could currently exist at this location.
+*/
+
+#include "toys.h"
+
+void readlink_main(void)
+{
+	char *s;
+
+	// Calculating full cannonical path?
+
+	if (CFG_READLINK_F && toys.optflags) s = xrealpath(*toys.optargs);
+	else s = xreadlink(*toys.optargs);
+
+	if (s) {
+		xputs(s);
+		if (CFG_TOYBOX_FREE) free(s);
+	} else toys.exitval = 1;
+}