xv6

commit f8f7fcbebdae7d3c8ac697373d0769d1ccfc31ae
parent 349ee132f0c7060ad04c5667da24d8cb40654be8
Author: rsc <rsc>
Date:   Wed,  8 Aug 2007 08:39:07 +0000

handle EOF in shell

Diffstat:
M
sh.c
 | 
7
+++++--

1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/sh.c b/sh.c
@@ -42,12 +42,15 @@ main(void)
 {
   while(1){
     puts("$ ");
-    memset(buf, '\0', sizeof(buf));
-    gets(buf, sizeof(buf));
+    memset(buf, 0, sizeof buf);
+    gets(buf, sizeof buf);
+    if(buf[0] == 0)  // EOF
+      break;
     if(parse(buf) < 0)
       continue;
     runcmd();
   }
+  exit();
 }
 
 int