removing (outdated) drawterm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so removing this outdated copy.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, 111 deletions

diff --git a/sys/src/cmd/unix/drawterm/libmemdraw/read.c b/sys/src/cmd/unix/drawterm/libmemdraw/read.c
deleted file mode 100644
index 12be6530b..000000000
--- a/sys/src/cmd/unix/drawterm/libmemdraw/read.c
+++ /dev/null
@@ -1,111 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-#include <memdraw.h>
-
-Memimage*
-readmemimage(int fd)
-{
-	char hdr[5*12+1];
-	int dy;
-	ulong chan;
-	uint l, n;
-	int m, j;
-	int new, miny, maxy;
-	Rectangle r;
-	uchar *tmp;
-	int ldepth, chunk;
-	Memimage *i;
-
-	if(readn(fd, hdr, 11) != 11){
-		werrstr("readimage: short header");
-		return nil;
-	}
-	if(memcmp(hdr, "compressed\n", 11) == 0)
-		return creadmemimage(fd);
-	if(readn(fd, hdr+11, 5*12-11) != 5*12-11){
-		werrstr("readimage: short header (2)");
-		return nil;
-	}
-
-	/*
-	 * distinguish new channel descriptor from old ldepth.
-	 * channel descriptors have letters as well as numbers,
-	 * while ldepths are a single digit formatted as %-11d.
-	 */
-	new = 0;
-	for(m=0; m<10; m++){
-		if(hdr[m] != ' '){
-			new = 1;
-			break;
-		}
-	}
-	if(hdr[11] != ' '){
-		werrstr("readimage: bad format");
-		return nil;
-	}
-	if(new){
-		hdr[11] = '\0';
-		if((chan = strtochan(hdr)) == 0){
-			werrstr("readimage: bad channel string %s", hdr);
-			return nil;
-		}
-	}else{
-		ldepth = ((int)hdr[10])-'0';
-		if(ldepth<0 || ldepth>3){
-			werrstr("readimage: bad ldepth %d", ldepth);
-			return nil;
-		}
-		chan = drawld2chan[ldepth];
-	}
-
-	r.min.x = atoi(hdr+1*12);
-	r.min.y = atoi(hdr+2*12);
-	r.max.x = atoi(hdr+3*12);
-	r.max.y = atoi(hdr+4*12);
-	if(r.min.x>r.max.x || r.min.y>r.max.y){
-		werrstr("readimage: bad rectangle");
-		return nil;
-	}
-
-	miny = r.min.y;
-	maxy = r.max.y;
-
-	l = bytesperline(r, chantodepth(chan));
-	i = allocmemimage(r, chan);
-	if(i == nil)
-		return nil;
-	chunk = 32*1024;
-	if(chunk < l)
-		chunk = l;
-	tmp = malloc(chunk);
-	if(tmp == nil)
-		goto Err;
-	while(maxy > miny){
-		dy = maxy - miny;
-		if(dy*l > chunk)
-			dy = chunk/l;
-		if(dy <= 0){
-			werrstr("readmemimage: image too wide for buffer");
-			goto Err;
-		}
-		n = dy*l;
-		m = readn(fd, tmp, n);
-		if(m != n){
-			werrstr("readmemimage: read count %d not %d: %r", m, n);
-   Err:
- 			freememimage(i);
-			free(tmp);
-			return nil;
-		}
-		if(!new)	/* an old image: must flip all the bits */
-			for(j=0; j<chunk; j++)
-				tmp[j] ^= 0xFF;
-
-		if(loadmemimage(i, Rect(r.min.x, miny, r.max.x, miny+dy), tmp, chunk) <= 0)
-			goto Err;
-		miny += dy;
-	}
-	free(tmp);
-	return i;
-}