removing (outdated) drawterm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so removing this outdated copy.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, 77 deletions

diff --git a/sys/src/cmd/unix/drawterm/libdraw/chan.c b/sys/src/cmd/unix/drawterm/libdraw/chan.c
deleted file mode 100644
index 8bace1543..000000000
--- a/sys/src/cmd/unix/drawterm/libdraw/chan.c
+++ /dev/null
@@ -1,77 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <draw.h>
-
-static char channames[] = "rgbkamx";
-char*
-chantostr(char *buf, ulong cc)
-{
-	ulong c, rc;
-	char *p;
-
-	if(chantodepth(cc) == 0)
-		return nil;
-
-	/* reverse the channel descriptor so we can easily generate the string in the right order */
-	rc = 0;
-	for(c=cc; c; c>>=8){
-		rc <<= 8;
-		rc |= c&0xFF;
-	}
-
-	p = buf;
-	for(c=rc; c; c>>=8) {
-		*p++ = channames[TYPE(c)];
-		*p++ = '0'+NBITS(c);
-	}
-	*p = 0;
-
-	return buf;
-}
-
-/* avoid pulling in ctype when using with drawterm etc. */
-static int
-xisspace(char c)
-{
-	return c==' ' || c== '\t' || c=='\r' || c=='\n';
-}
-
-ulong
-strtochan(char *s)
-{
-	char *p, *q;
-	ulong c;
-	int t, n;
-
-	c = 0;
-	p=s;
-	while(*p && xisspace(*p))
-		p++;
-
-	while(*p && !xisspace(*p)){
-		if((q = strchr(channames, p[0])) == nil) 
-			return 0;
-		t = q-channames;
-		if(p[1] < '0' || p[1] > '9')
-			return 0;
-		n = p[1]-'0';
-		c = (c<<8) | __DC(t, n);
-		p += 2;
-	}
-	return c;
-}
-
-int
-chantodepth(ulong c)
-{
-	int n;
-
-	for(n=0; c; c>>=8){
-		if(TYPE(c) >= NChan || NBITS(c) > 8 || NBITS(c) <= 0)
-			return 0;
-		n += NBITS(c);
-	}
-	if(n==0 || (n>8 && n%8) || (n<8 && 8%n))
-		return 0;
-	return n;
-}