From 5d3642b8ef920316693031d2ea34b9def0b1abc5 Mon Sep 17 00:00:00 2001
From: Nicholas Noll <nbnoll@eml.cc>
Date: Thu, 22 Apr 2021 08:55:35 -0700
Subject: chore: rm unfinished projects

---
 sys/cmd/rc/tree.c | 144 ------------------------------------------------------
 1 file changed, 144 deletions(-)
 delete mode 100644 sys/cmd/rc/tree.c

(limited to 'sys/cmd/rc/tree.c')

diff --git a/sys/cmd/rc/tree.c b/sys/cmd/rc/tree.c
deleted file mode 100644
index 14049e5..0000000
--- a/sys/cmd/rc/tree.c
+++ /dev/null
@@ -1,144 +0,0 @@
-#include "rc.h"
-
-// -----------------------------------------------------------------------
-// globals
-
-static Tree *nodes;
-
-// -----------------------------------------------------------------------
-// exported funcs
-
-Tree*
-newtree(void)
-{
-    Tree *t;
-
-    alloc(t);
-    t->str = nil;
-    t->child[0] = t->child[1] = t->child[2] = nil;
-    t->redir.fd[0] = t->redir.fd[1] = t->redir.type = 0;
-
-    t->link = nodes, nodes = t;
-    return t;
-}
-
-void
-freetree(Tree *t)
-{
-    if (!t)
-        return;
-
-    freetree(t->child[0]);
-    freetree(t->child[1]);
-    freetree(t->child[2]);
-
-    if (t->str)
-        efree(t->str);
-    efree(t);
-}
-
-void
-freenodes(void)
-{
-    Tree *t, *u;
-
-    for (t = nodes;t;t = u) {
-        u = t->link;
-        if (t->str)
-            efree(t->str);
-        efree(t);
-    }
-    nodes = nil;
-}
-
-/* tree creation */
-Tree*
-tree3(int type, Tree *c0, Tree *c1, Tree *c2)
-{
-    Tree *t;
-
-    t = newtree();
-    t->type = type;
-    t->child[0] = c0;
-    t->child[1] = c1;
-    t->child[2] = c2;
-
-    return t;
-}
-
-Tree*
-tree2(int type, Tree *c0, Tree *c1)
-{
-	return tree3(type, c0, c1, nil);
-}
-
-Tree*
-tree1(int type, Tree *c0)
-{
-	return tree3(type, c0, nil, nil);
-}
-
-/* tree hang */
-Tree*
-hang1(Tree *p, Tree *c0)
-{
-    p->child[0] = c0;
-    return p;
-}
-
-Tree*
-hang2(Tree *p, Tree *c0, Tree *c1)
-{
-    p->child[0] = c0;
-    p->child[1] = c1;
-    return p;
-}
-
-Tree*
-hang3(Tree *p, Tree *c0, Tree *c1, Tree *c2)
-{
-    p->child[0] = c0;
-    p->child[1] = c1;
-    p->child[2] = c2;
-    return p;
-}
-
-/* hangs the cmd underneath the epilogue */
-Tree*
-epihang(Tree *c, Tree *epi)
-{
-    Tree *p;
-    if(!epi)
-        return c;
-    for(p=epi;p->child[1];p = p->child[1])
-        ;
-    p->child[1] = c;
-    return epi;
-}
-
-/* hangs tree t from a new simple node. percolates redirections to root */
-Tree*
-simplehang(Tree *t)
-{
-    Tree *u;
-    t = tree1(Tsimple, t);
-    for(u = t->child[0];u->type==Targs;u=u->child[0]) {
-        if (u->child[1]->type==Tdup
-        ||  u->child[1]->type==Tredir){
-            u->child[1]->child[1] = t;
-            t = u->child[1];
-            u->child[1] = nil;
-        }
-    }
-    return t;
-}
-
-Tree*
-wordnode(char *w)
-{
-    Tree *t = newtree();
-    t->type = Tword;
-    t->str  = strdup(w);
-
-    return t;
-}
-- 
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