removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 67 deletions

diff --git a/sys/src/cmd/unix/drawterm/libmemlayer/ldelete.c b/sys/src/cmd/unix/drawterm/libmemlayer/ldelete.c
deleted file mode 100644
index 34cd6eadb..000000000
--- a/sys/src/cmd/unix/drawterm/libmemlayer/ldelete.c
+++ /dev/null
@@ -1,67 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-#include <memdraw.h>
-#include <memlayer.h>
-
-void
-memldelete(Memimage *i)
-{
-	Memscreen *s;
-	Memlayer *l;
-
-	l = i->layer;
-	/* free backing store and disconnect refresh, to make pushback fast */
-	freememimage(l->save);
-	l->save = nil;
-	l->refreshptr = nil;
-	memltorear(i);
-
-	/* window is now the rearmost;  clean up screen structures and deallocate */
-	s = i->layer->screen;
-	if(s->fill){
-		i->clipr = i->r;
-		memdraw(i, i->r, s->fill, i->r.min, nil, i->r.min, S);
-	}
-	if(l->front){
-		l->front->layer->rear = nil;
-		s->rearmost = l->front;
-	}else{
-		s->frontmost = nil;
-		s->rearmost = nil;
-	}
-	free(l);
-	freememimage(i);
-}
-
-/*
- * Just free the data structures, don't do graphics
- */
-void
-memlfree(Memimage *i)
-{
-	Memlayer *l;
-
-	l = i->layer;
-	freememimage(l->save);
-	free(l);
-	freememimage(i);
-}
-
-void
-_memlsetclear(Memscreen *s)
-{
-	Memimage *i, *j;
-	Memlayer *l;
-
-	for(i=s->rearmost; i; i=i->layer->front){
-		l = i->layer;
-		l->clear = rectinrect(l->screenr, l->screen->image->clipr);
-		if(l->clear)
-			for(j=l->front; j; j=j->layer->front)
-				if(rectXrect(l->screenr, j->layer->screenr)){
-					l->clear = 0;
-					break;
-				}
-	}
-}