add 'cd' to smash

6 files changed, 7 insertions, 132 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)
diff --git a/smash/smash b/smash/smash
index 5d0b5e3..c444927 100755
--- a/smash/smash
+++ b/smash/smash
diff --git a/smash/test b/smash/test
deleted file mode 100755
index d282011..0000000
--- a/smash/test
+++ /dev/null
diff --git a/smash/test.c b/smash/test.c
deleted file mode 100644
index cb3f748..0000000
--- a/smash/test.c
+++ /dev/null
@@ -1,3 +0,0 @@
-int main() {
-	return 0;
-}
diff --git a/smash/variables.c b/smash/variables.c
deleted file mode 100644
index b3b6689..0000000
--- a/smash/variables.c
+++ /dev/null
@@ -1,120 +0,0 @@
-#include "variables.h"
-
-#include "../lib/avl_tree/avl_tree.h"
-#include "../lib/cstr/cstr.h"
-#include "../lib/malloc/malloc.h"
-
-typedef struct {
-	const char *name;
-	const char *value;
-} variable_pair_t;
-
-i8   __variable_pair_compare(void *a, void *b);
-
-avl_tree_t *variable_tree;
-
-
-/** DOC
- * @type function
- * @name __variable_pair_compare
- *
- * @param  void *a
- * @param  void *b
- * @return u8
- *
- * @description
- * Compair function for `variable_pair_t`.
- */
-i8 __variable_pair_compare(void *a, void *b)
-{
-	variable_pair_t *va = (variable_pair_t*)a;
-	variable_pair_t *vb = (variable_pair_t*)b;
-
-	return cstr_compare(va->name, vb->name);
-}
-
-
-/** DOC
- * @type function
- * @name init_variables
- *
- * @description
- * Initializes the variable binary tree.
- */
-void init_variables()
-{
-	variable_tree = new_avl_tree(__variable_pair_compare, 1);
-}
-
-
-/** DOC
- * @type function
- * @name set_variable
- *
- * @param const char *name
- * @param const char *value
- *
- * @description
- * Sets a variable.
- */
-void set_variable(const char *name, const char *value)
-{
-	variable_pair_t *pair = malloc(sizeof(variable_pair_t));
-	pair->name = name;
-	pair->value = value;
-	avl_tree_insert(variable_tree, pair);
-}
-
-
-/** DOC
- * @type function
- * @name get_variable
- *
- * @param const char *name
- *
- * @description
- * Gets a variable.
- */
-const char *get_variable(const char *name)
-{
-	variable_pair_t query = { .name = name, .value = 0 };
-	variable_pair_t *res = avl_tree_search(variable_tree, &query);
-
-	if (res)
-		return res->value;
-	return 0;
-}
-
-
-#ifdef VARIABLES_UNIT_TEST
-
-#include "../lib/sys/write.h"
-
-void test_get(const char *name)
-{
-	const char *value = get_variable(name);
-	if (value)
-		write(0, value, cstr_length(value));
-	else
-		write(0, "value = nullptr", 15);
-	
-	write(0, "\n", 1);
-
-}
-
-int main()
-{
-	init_variables();
-	set_variable("name", "john");
-	set_variable("user", "n8");
-	
-	test_get("name");
-	test_get("user");
-
-	set_variable("user", "freak");
-	
-	test_get("user");
-
-}
-
-#endif
diff --git a/smash/variables.h b/smash/variables.h
deleted file mode 100644
index af71ee4..0000000
--- a/smash/variables.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef VARIABLES_H
-#define VARIABLES_H
-
-void set_variable(const char *name, const char *value);
-const char *get_variable(const char *name);
-void init_variables();
-
-#endif