simplify print_ascii; from kshe; ok tom@

diff --git a/usr.bin/dc/inout.c b/usr.bin/dc/inout.c
index fae74f7..ddd061c 100644 (file)
--- a/usr.bin/dc/inout.c
+++ b/usr.bin/dc/inout.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: inout.c,v 1.20 2017/02/26 11:29:55 otto Exp $ */
+/*     $OpenBSD: inout.c,v 1.21 2017/11/29 19:12:48 otto Exp $ */
 
 /*
  * Copyright (c) 2003, Otto Moerbeek <otto@drijf.net>
@@ -390,22 +390,14 @@ print_value(FILE *f, const struct value *value, const char *prefix, u_int base)
 void
 print_ascii(FILE *f, const struct number *n)
 {
-       BIGNUM *v;
        int numbits, i, ch;
 
-       v = BN_dup(n->number);
-       bn_checkp(v);
-
-       if (BN_is_negative(v))
-               BN_set_negative(v, 0);
-
-       numbits = BN_num_bytes(v) * 8;
+       numbits = BN_num_bytes(n->number) * 8;
        while (numbits > 0) {
                ch = 0;
                for (i = 0; i < 8; i++)
-                       ch |= BN_is_bit_set(v, numbits-i-1) << (7 - i);
+                       ch |= BN_is_bit_set(n->number, numbits-i-1) << (7 - i);
                (void)putc(ch, f);
                numbits -= 8;
        }
-       BN_free(v);
 }