removing (outdated) drawterm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so removing this outdated copy.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, 193 deletions

diff --git a/sys/src/cmd/unix/drawterm/libmp/mpfmt.c b/sys/src/cmd/unix/drawterm/libmp/mpfmt.c
deleted file mode 100644
index f7c42a7bc..000000000
--- a/sys/src/cmd/unix/drawterm/libmp/mpfmt.c
+++ /dev/null
@@ -1,193 +0,0 @@
-#include "os.h"
-#include <mp.h>
-#include <libsec.h>
-#include "dat.h"
-
-static int
-to64(mpint *b, char *buf, int len)
-{
-	uchar *p;
-	int n, rv;
-
-	p = nil;
-	n = mptobe(b, nil, 0, &p);
-	if(n < 0)
-		return -1;
-	rv = enc64(buf, len, p, n);
-	free(p);
-	return rv;
-}
-
-static int
-to32(mpint *b, char *buf, int len)
-{
-	uchar *p;
-	int n, rv;
-
-	// leave room for a multiple of 5 buffer size
-	n = b->top*Dbytes + 5;
-	p = malloc(n);
-	if(p == nil)
-		return -1;
-	n = mptobe(b, p, n, nil);
-	if(n < 0)
-		return -1;
-
-	// round up buffer size, enc32 only accepts a multiple of 5
-	if(n%5)
-		n += 5 - (n%5);
-	rv = enc32(buf, len, p, n);
-	free(p);
-	return rv;
-}
-
-static char set16[] = "0123456789ABCDEF";
-
-static int
-to16(mpint *b, char *buf, int len)
-{
-	mpdigit *p, x;
-	int i, j;
-	char *out, *eout;
-
-	if(len < 1)
-		return -1;
-
-	out = buf;
-	eout = buf+len;
-	for(p = &b->p[b->top-1]; p >= b->p; p--){
-		x = *p;
-		for(i = Dbits-4; i >= 0; i -= 4){
-			j = 0xf & (x>>i);
-			if(j != 0 || out != buf){
-				if(out >= eout)
-					return -1;
-				*out++ = set16[j];
-			}
-		}
-	}
-	if(out == buf)
-		*out++ = '0';
-	if(out >= eout)
-		return -1;
-	*out = 0;
-	return 0;
-}
-
-static char*
-modbillion(int rem, ulong r, char *out, char *buf)
-{
-	ulong rr;
-	int i;
-
-	for(i = 0; i < 9; i++){
-		rr = r%10;
-		r /= 10;
-		if(out <= buf)
-			return nil;
-		*--out = '0' + rr;
-		if(rem == 0 && r == 0)
-			break;
-	}
-	return out;
-}
-
-static int
-to10(mpint *b, char *buf, int len)
-{
-	mpint *d, *r, *billion;
-	char *out;
-
-	if(len < 1)
-		return -1;
-
-	d = mpcopy(b);
-	r = mpnew(0);
-	billion = uitomp(1000000000, nil);
-	out = buf+len;
-	*--out = 0;
-	do {
-		mpdiv(d, billion, d, r);
-		out = modbillion(d->top, r->p[0], out, buf);
-		if(out == nil)
-			break;
-	} while(d->top != 0);
-	mpfree(d);
-	mpfree(r);
-	mpfree(billion);
-
-	if(out == nil)
-		return -1;
-	len -= out-buf;
-	if(out != buf)
-		memmove(buf, out, len);
-	return 0;
-}
-
-int
-mpfmt(Fmt *fmt)
-{
-	mpint *b;
-	char *p;
-
-	b = va_arg(fmt->args, mpint*);
-	if(b == nil)
-		return fmtstrcpy(fmt, "*");
-	
-	p = mptoa(b, fmt->prec, nil, 0);
-	fmt->flags &= ~FmtPrec;
-
-	if(p == nil)
-		return fmtstrcpy(fmt, "*");
-	else{
-		fmtstrcpy(fmt, p);
-		free(p);
-		return 0;
-	}
-}
-
-char*
-mptoa(mpint *b, int base, char *buf, int len)
-{
-	char *out;
-	int rv, alloced;
-
-	alloced = 0;
-	if(buf == nil){
-		len = ((b->top+1)*Dbits+2)/3 + 1;
-		buf = malloc(len);
-		if(buf == nil)
-			return nil;
-		alloced = 1;
-	}
-
-	if(len < 2)
-		return nil;
-
-	out = buf;
-	if(b->sign < 0){
-		*out++ = '-';
-		len--;
-	}
-	switch(base){
-	case 64:
-		rv = to64(b, out, len);
-		break;
-	case 32:
-		rv = to32(b, out, len);
-		break;
-	default:
-	case 16:
-		rv = to16(b, out, len);
-		break;
-	case 10:
-		rv = to10(b, out, len);
-		break;
-	}
-	if(rv < 0){
-		if(alloced)
-			free(buf);
-		return nil;
-	}
-	return buf;
-}