From 17a856577f9db766b8ef7099d0575d378dff5dd1 Mon Sep 17 00:00:00 2001
From: rtm <rtm>
Date: Fri, 11 Aug 2006 13:55:18 +0000
Subject: init creates console, opens 0/1/2, runs sh sh accepts 0-argument
 commands (like userfs) reads from console

---
 sh.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 sh.c

(limited to 'sh.c')

diff --git a/sh.c b/sh.c
new file mode 100644
index 0000000..e9ed2d9
--- /dev/null
+++ b/sh.c
@@ -0,0 +1,31 @@
+#include "user.h"
+#include "types.h"
+#include "fs.h"
+#include "fcntl.h"
+
+char *args[100];
+
+int
+main(void)
+{
+  char buf[128];
+  int pid;
+
+  while(1){
+    write(1, "$ ", 2);
+    gets(buf, sizeof(buf));
+    if(buf[0] == '\0')
+      continue;
+    pid = fork();
+    if(pid == 0){
+      args[0] = buf;
+      args[1] = 0;
+      exec(buf, args);
+      write(1, buf, strlen(buf));
+      write(1, ": not found\n", 12);
+      exit();
+    }
+    if(pid > 0)
+      wait();
+  }
+}
-- 
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