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-rw-r--r--doc/crypto/BN_zero.pod12
1 files changed, 10 insertions, 2 deletions
diff --git a/doc/crypto/BN_zero.pod b/doc/crypto/BN_zero.pod
index e0f653f81e..5334aaa41a 100644
--- a/doc/crypto/BN_zero.pod
+++ b/doc/crypto/BN_zero.pod
@@ -9,7 +9,7 @@ operations
#include <openssl/bn.h>
- int BN_zero(BIGNUM *a);
+ void BN_zero(BIGNUM *a);
int BN_one(BIGNUM *a);
const BIGNUM *BN_value_one(void);
@@ -17,6 +17,12 @@ 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
@@ -33,8 +39,10 @@ long.
BN_get_word() returns the value B<a>, and 0xffffffffL if B<a> cannot
be represented as an unsigned long.
-BN_zero(), BN_one() and BN_set_word() return 1 on success, 0 otherwise.
+BN_one(), BN_set_word() and the deprecated version of BN_zero()
+return 1 on success, 0 otherwise.
BN_value_one() returns the constant.
+The preferred version of BN_zer() never fails and returns no value.
=head1 BUGS