new shell

1 files changed, 46 insertions, 0 deletions

diff --git a/src/user/highway/cmds.c b/src/user/highway/cmds.c
new file mode 100644
index 0000000..d7a89d1
--- /dev/null
+++ b/src/user/highway/cmds.c
@@ -0,0 +1,46 @@
+#include <knob/file.h>
+#include <knob/user.h>
+#include "line.h"
+#include "vars.h"
+
+void source(const char *path) {
+  struct file *f = open_file(path);
+  if (!f)
+    tell_user_sz("couldn't open file.\n");
+  char buf[128];
+  while (read_line_from_file(f, buf, 127))
+    run_line(buf);
+  close_file(f);
+}
+
+void set(const char *arg) {
+  const char *space = arg;
+  while (*space != ' ')
+    if (*space)
+      ++space;
+    else {
+      struct no_null_sn vname = {
+        .data = arg,
+        .length = space - arg
+      };
+      del_var(vname);
+      return;
+    }
+
+  struct no_null_sn vname = {
+    .data = arg,
+    .length = space - arg
+  };
+
+  const char *vstart = space + 1,
+             *vend = vstart;
+  while (*vend)
+    ++vend;
+  
+  struct no_null_sn vval = {
+    .data = vstart,
+    .length = vend - vstart
+  };
+
+  set_var(vname, vval);
+}
\ No newline at end of file