From 89634e50c459f7e7233b0b79da4dea181d138266 Mon Sep 17 00:00:00 2001
From: Marco Thomas <github@marcothms.de>
Date: Fri, 4 Jul 2025 15:05:18 +0900
Subject: [PATCH] fix(interpreter): load prog name as argv[0]

---
 src/interpreter/computer.rs | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/interpreter/computer.rs b/src/interpreter/computer.rs
index e1d9c6a..c799e10 100644
--- a/src/interpreter/computer.rs
+++ b/src/interpreter/computer.rs
@@ -1,5 +1,6 @@
 use clap::Parser;
 use core::fmt;
+use std::path::Path;
 
 use crate::{
     Args,
@@ -50,9 +51,12 @@ impl Computer {
     }
 
     fn init_stack(&mut self) -> Result<(), InterpreterError> {
-        let args = Args::parse();
-        let argv = args.argv;
-        let argc = argv.len() + 1;
+        let mut args = Args::parse();
+        let path = &args.path.unwrap();
+        let filename = Path::new(path).file_name().unwrap().to_str().unwrap();
+        let mut argv = Vec::from([filename.to_string()]);
+        argv.append(&mut args.argv);
+        let argc = argv.len();
         let mut argv_ptrs = Vec::new();
 
         let envs = Vec::from(["PATH=/usr:/usr/bin".to_string()]);