removing (outdated) drawterm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so removing this outdated copy.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, 237 deletions

diff --git a/sys/src/cmd/unix/drawterm/libdraw/alloc.c b/sys/src/cmd/unix/drawterm/libdraw/alloc.c
deleted file mode 100644
index bc7a7d732..000000000
--- a/sys/src/cmd/unix/drawterm/libdraw/alloc.c
+++ /dev/null
@@ -1,237 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-
-Image*
-allocimage(Display *d, Rectangle r, ulong chan, int repl, ulong val)
-{
-	return _allocimage(nil, d, r, chan, repl, val, 0, 0);
-}
-
-Image*
-_allocimage(Image *ai, Display *d, Rectangle r, ulong chan, int repl, ulong val, int screenid, int refresh)
-{
-	uchar *a;
-	char *err;
-	Image *i;
-	Rectangle clipr;
-	int id;
-	int depth;
-
-	err = 0;
-	i = 0;
-
-	if(chan == 0){
-		werrstr("bad channel descriptor");
-		return nil;
-	}
-
-	depth = chantodepth(chan);
-	if(depth == 0){
-		err = "bad channel descriptor";
-    Error:
-		if(err)
-			werrstr("allocimage: %s", err);
-		else
-			werrstr("allocimage: %r");
-		free(i);
-		return 0;
-	}
-
-	/* flush pending data so we don't get error allocating the image */
-	flushimage(d, 0);
-	a = bufimage(d, 1+4+4+1+4+1+4*4+4*4+4);
-	if(a == 0)
-		goto Error;
-	d->imageid++;
-	id = d->imageid;
-	a[0] = 'b';
-	BPLONG(a+1, id);
-	BPLONG(a+5, screenid);
-	a[9] = refresh;
-	BPLONG(a+10, chan);
-	a[14] = repl;
-	BPLONG(a+15, r.min.x);
-	BPLONG(a+19, r.min.y);
-	BPLONG(a+23, r.max.x);
-	BPLONG(a+27, r.max.y);
-	if(repl)
-		/* huge but not infinite, so various offsets will leave it huge, not overflow */
-		clipr = Rect(-0x3FFFFFFF, -0x3FFFFFFF, 0x3FFFFFFF, 0x3FFFFFFF);
-	else
-		clipr = r;
-	BPLONG(a+31, clipr.min.x);
-	BPLONG(a+35, clipr.min.y);
-	BPLONG(a+39, clipr.max.x);
-	BPLONG(a+43, clipr.max.y);
-	BPLONG(a+47, val);
-	if(flushimage(d, 0) < 0)
-		goto Error;
-
-	if(ai)
-		i = ai;
-	else{
-		i = malloc(sizeof(Image));
-		if(i == nil){
-			a = bufimage(d, 1+4);
-			if(a){
-				a[0] = 'f';
-				BPLONG(a+1, id);
-				flushimage(d, 0);
-			}
-			goto Error;
-		}
-	}
-	i->display = d;
-	i->id = id;
-	i->depth = depth;
-	i->chan = chan;
-	i->r = r;
-	i->clipr = clipr;
-	i->repl = repl;
-	i->screen = 0;
-	i->next = 0;
-	return i;
-}
-
-Image*
-namedimage(Display *d, char *name)
-{
-	uchar *a;
-	char *err, buf[12*12+1];
-	Image *i;
-	int id, n;
-	ulong chan;
-
-	err = 0;
-	i = 0;
-
-	n = strlen(name);
-	if(n >= 256){
-		err = "name too long";
-    Error:
-		if(err)
-			werrstr("namedimage: %s", err);
-		else
-			werrstr("namedimage: %r");
-		if(i)
-			free(i);
-		return 0;
-	}
-	/* flush pending data so we don't get error allocating the image */
-	flushimage(d, 0);
-	a = bufimage(d, 1+4+1+n);
-	if(a == 0)
-		goto Error;
-	d->imageid++;
-	id = d->imageid;
-	a[0] = 'n';
-	BPLONG(a+1, id);
-	a[5] = n;
-	memmove(a+6, name, n);
-	if(flushimage(d, 0) < 0)
-		goto Error;
-
-	if(pread(d->ctlfd, buf, sizeof buf, 0) < 12*12)
-		goto Error;
-	buf[12*12] = '\0';
-
-	i = malloc(sizeof(Image));
-	if(i == nil){
-	Error1:
-		a = bufimage(d, 1+4);
-		if(a){
-			a[0] = 'f';
-			BPLONG(a+1, id);
-			flushimage(d, 0);
-		}
-		goto Error;
-	}
-	i->display = d;
-	i->id = id;
-	if((chan=strtochan(buf+2*12))==0){
-		werrstr("bad channel '%.12s' from devdraw", buf+2*12);
-		goto Error1;
-	}
-	i->chan = chan;
-	i->depth = chantodepth(chan);
-	i->repl = atoi(buf+3*12);
-	i->r.min.x = atoi(buf+4*12);
-	i->r.min.y = atoi(buf+5*12);
-	i->r.max.x = atoi(buf+6*12);
-	i->r.max.y = atoi(buf+7*12);
-	i->clipr.min.x = atoi(buf+8*12);
-	i->clipr.min.y = atoi(buf+9*12);
-	i->clipr.max.x = atoi(buf+10*12);
-	i->clipr.max.y = atoi(buf+11*12);
-	i->screen = 0;
-	i->next = 0;
-	return i;
-}
-
-int
-nameimage(Image *i, char *name, int in)
-{
-	uchar *a;
-	int n;
-
-	n = strlen(name);
-	a = bufimage(i->display, 1+4+1+1+n);
-	if(a == 0)
-		return 0;
-	a[0] = 'N';
-	BPLONG(a+1, i->id);
-	a[5] = in;
-	a[6] = n;
-	memmove(a+7, name, n);
-	if(flushimage(i->display, 0) < 0)
-		return 0;
-	return 1;
-}
-
-int
-_freeimage1(Image *i)
-{
-	uchar *a;
-	Display *d;
-	Image *w;
-
-	if(i == 0)
-		return 0;
-	/* make sure no refresh events occur on this if we block in the write */
-	d = i->display;
-	/* flush pending data so we don't get error deleting the image */
-	flushimage(d, 0);
-	a = bufimage(d, 1+4);
-	if(a == 0)
-		return -1;
-	a[0] = 'f';
-	BPLONG(a+1, i->id);
-	if(i->screen){
-		w = d->windows;
-		if(w == i)
-			d->windows = i->next;
-		else
-			while(w){
-				if(w->next == i){
-					w->next = i->next;
-					break;
-				}
-				w = w->next;
-			}
-	}
-	if(flushimage(d, i->screen!=0) < 0)
-		return -1;
-
-	return 0;
-}
-
-int
-freeimage(Image *i)
-{
-	int ret;
-
-	ret = _freeimage1(i);
-	free(i);
-	return ret;
-}