Less documentation for deprecated API

[openssl.git] / doc / man3 / BN_zero.pod

diff --git a/doc/man3/BN_zero.pod b/doc/man3/BN_zero.pod
index be0674fe45597298ea0c1532f7a2a40ee21a52a3..167a7e4cecbc92a6c45da07f627f5e141fa5b8bb 100644 (file)
--- a/doc/man3/BN_zero.pod
+++ b/doc/man3/BN_zero.pod
@@ -17,12 +17,6 @@ operations
  int BN_set_word(BIGNUM *a, unsigned long w);
  unsigned long BN_get_word(BIGNUM *a);
 
-Deprecated:
-
- #if OPENSSL_API_COMPAT < 0x00908000L
- int BN_zero(BIGNUM *a);
- #endif
-
 =head1 DESCRIPTION
 
 BN_zero(), BN_one() and BN_set_word() set B<a> to the values 0, 1 and
@@ -39,25 +33,27 @@ long.
 BN_get_word() returns the value B<a>, and 0xffffffffL if B<a> cannot
 be represented as an unsigned long.
 
-BN_one(), BN_set_word() and the deprecated version of BN_zero()
-return 1 on success, 0 otherwise.
+BN_one() and BN_set_word() return 1 on success, 0 otherwise.
 BN_value_one() returns the constant.
-The preferred version of BN_zero() never fails and returns no value.
+BN_zero() never fails and returns no value.
 
 =head1 BUGS
 
-Someone might change the constant.
-
 If a B<BIGNUM> is equal to 0xffffffffL it can be represented as an
 unsigned long but this value is also returned on error.
 
 =head1 SEE ALSO
 
-L<bn(7)>, L<BN_bn2bin(3)>
+L<BN_bn2bin(3)>
+
+=head1 HISTORY
+
+In OpenSSL 0.9.8, BN_zero() was changed to not return a value; previous
+versions returned an int.
 
 =head1 COPYRIGHT
 
-Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved.
 
 Licensed under the OpenSSL license (the "License").  You may not use
 this file except in compliance with the License.  You can obtain a copy