removing (outdated) drawterm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so removing this outdated copy.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, 57 deletions

diff --git a/sys/src/cmd/unix/drawterm/libmp/mptobe.c b/sys/src/cmd/unix/drawterm/libmp/mptobe.c
deleted file mode 100644
index e08ae56be..000000000
--- a/sys/src/cmd/unix/drawterm/libmp/mptobe.c
+++ /dev/null
@@ -1,57 +0,0 @@
-#include "os.h"
-#include <mp.h>
-#include "dat.h"
-
-// convert an mpint into a big endian byte array (most significant byte first)
-//   return number of bytes converted
-//   if p == nil, allocate and result array
-int
-mptobe(mpint *b, uchar *p, uint n, uchar **pp)
-{
-	int i, j, suppress;
-	mpdigit x;
-	uchar *e, *s, c;
-
-	if(p == nil){
-		n = (b->top+1)*Dbytes;
-		p = malloc(n);
-	}
-	if(p == nil)
-		return -1;
-	if(pp != nil)
-		*pp = p;
-	memset(p, 0, n);
-
-	// special case 0
-	if(b->top == 0){
-		if(n < 1)
-			return -1;
-		else
-			return 1;
-	}
-		
-	s = p;
-	e = s+n;
-	suppress = 1;
-	for(i = b->top-1; i >= 0; i--){
-		x = b->p[i];
-		for(j = Dbits-8; j >= 0; j -= 8){
-			c = x>>j;
-			if(c == 0 && suppress)
-				continue;
-			if(p >= e)
-				return -1;
-			*p++ = c;
-			suppress = 0;
-		}
-	}
-
-	// guarantee at least one byte
-	if(s == p){
-		if(p >= e)
-			return -1;
-		*p++ = 0;
-	}
-
-	return p - s;
-}