shithub: pplay

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remove last of merging code

only marginally useful and only with finite undo,
otherwise just complicates everything

--- a/chunk.c

+++ b/chunk.c

@@ -183,44 +183,6 @@

 	b->buf = erealloc(b->buf, newsz, b->bufsz);

 }

-#ifdef nope

-static Chunk *

-merge(Chunk *left, Chunk *right)

-{

-	uchar *u;

-	Buf *l, *r;

-	Chunk *nc;

-

-	if(left == right)

-		return left;

-	l = left->b;

-	r = right->b;

-	assert(l != nil && r != nil);

-	nc = newbuf(left->len + right->len);

-	u = nc->b->buf;

-	memcpy(u, l->buf+left->off, left->len);

-	memcpy(u + left->len, r->buf+right->off, right->len);

-	linkchunk(left->left, nc);

-	unlink(left, right);

-	freechain(left);

-	return nc;

-}

-

-Chunk *

-mergedot(usize *off)

-{

-	Chunk *left, *right;

-

-	left = p2c(dot.from, off);

-	right = p2c(dot.to, nil);

-	if(left == right)

-		return left;

-	while(left->right != right)

-		left = merge(left, left->right);

-	return merge(left, right);

-}

-#endif

-

 usize

 chunklen(Chunk *c)

 {

--- a/cmd.c

+++ b/cmd.c

@@ -448,7 +448,6 @@

 	case '|': x = pipeto(s); break;

 	case 'c': x = copy(s); break;

 	case 'd': x = cut(s); break;

-//	case 'm': x = forcemerge(s); break;

 	case 'p': x = paste(s, nil); break;

 	case 'q': threadexitsall(nil);

 	case 'r': x = readfrom(s); break;