add 'cd' to smash

1 files changed, 7 insertions, 1 deletions

diff --git a/smash/builtin.c b/smash/builtin.c
index ad9c839..63a4013 100644
--- a/smash/builtin.c
+++ b/smash/builtin.c
@@ -3,6 +3,7 @@
 #include "../lib/sys/exit.h"
 #include "../lib/cstr/cstr.h"
 #include "../lib/sys/io.h"
+#include "../lib/sys/chdir.h"
 
 u64 __find_builtin_function_by_name(const char *name);
 
@@ -30,7 +31,12 @@ int __builtin_fn_exit(int argc, const char **argv)
 
 int __builtin_fn_cd(int argc, const char **argv)
 {
-	/* TODO: Implement */
+	if (argc != 2) {
+		write(STDOUT_FD, "path missing\n", 9);
+		return -1;
+	}
+
+	return chdir(argv[1]);
 }
 
 int __builtin_fn_help(int argc, const char **argv)