1 files changed, 25 insertions, 5 deletions

diff --git a/sys/cmd/rc/code.c b/sys/cmd/rc/code.c
index 38cc06a..c5b1987 100644
--- a/sys/cmd/rc/code.c
+++ b/sys/cmd/rc/code.c
@@ -43,7 +43,7 @@ void
 walk(Tree *node)
 {
     Tree *n;
-    int addr;
+    int addr1, addr2;
 
     if(!node)
         return;
@@ -104,18 +104,18 @@ walk(Tree *node)
 
     case '&':
         emitf(Xasync);
-        addr = emiti(0);
+        addr1 = emiti(0);
         walk(node->child[0]);
         emitf(Xexit);
-        storepc(addr);
+        storepc(addr1);
         break;
 
     case Tsubshell:
         emitf(Xsubshell);
-        addr = emiti(0);
+        addr1 = emiti(0);
         walk(node->child[0]);
         emitf(Xexit);
-        storepc(addr);
+        storepc(addr1);
         break;
 
     case Tbang:
@@ -132,6 +132,26 @@ walk(Tree *node)
         walk(node->child[0]);
         break;
 
+    case Tpipe:
+        emitf(Xpipe);
+
+        emiti(node->redir.fd[0]);
+        emiti(node->redir.fd[1]);
+        addr1 = emiti(0);
+        addr2 = emiti(0);
+
+        walk(node->child[0]);
+        emitf(Xexit);
+        storepc(addr1);
+
+        walk(node->child[1]);
+        emitf(Xreturn);
+        storepc(addr2);
+
+        emitf(Xpipewait);
+
+        break;
+
     case '=':
         for(n=node; node && node->type == '='; node = node->child[2])
             ;