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Diffstat (limited to 'doc/man3/BN_cmp.pod')
-rw-r--r-- | doc/man3/BN_cmp.pod | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/doc/man3/BN_cmp.pod b/doc/man3/BN_cmp.pod index 95d162ff29..261619c512 100644 --- a/doc/man3/BN_cmp.pod +++ b/doc/man3/BN_cmp.pod @@ -2,42 +2,47 @@ =head1 NAME -BN_cmp, BN_ucmp, BN_is_zero, BN_is_one, BN_is_word, BN_is_odd - BIGNUM comparison and test functions +BN_cmp, BN_ucmp, BN_is_zero, BN_is_one, BN_is_word, BN_abs_is_word, BN_is_odd - BIGNUM comparison and test functions =head1 SYNOPSIS #include <openssl/bn.h> - int BN_cmp(BIGNUM *a, BIGNUM *b); - int BN_ucmp(BIGNUM *a, BIGNUM *b); + int BN_cmp(const BIGNUM *a, const BIGNUM *b); + int BN_ucmp(const BIGNUM *a, const BIGNUM *b); - int BN_is_zero(BIGNUM *a); - int BN_is_one(BIGNUM *a); - int BN_is_word(BIGNUM *a, BN_ULONG w); - int BN_is_odd(BIGNUM *a); + int BN_is_zero(const BIGNUM *a); + int BN_is_one(const BIGNUM *a); + int BN_is_word(const BIGNUM *a, const BN_ULONG w); + int BN_abs_is_word(const BIGNUM *a, const BN_ULONG w); + int BN_is_odd(const BIGNUM *a); =head1 DESCRIPTION -BN_cmp() compares the numbers B<a> and B<b>. BN_ucmp() compares their +BN_cmp() compares the numbers I<a> and I<b>. BN_ucmp() compares their absolute values. -BN_is_zero(), BN_is_one() and BN_is_word() test if B<a> equals 0, 1, -or B<w> respectively. BN_is_odd() tests if a is odd. - -BN_is_zero(), BN_is_one(), BN_is_word() and BN_is_odd() are macros. +BN_is_zero(), BN_is_one(), BN_is_word() and BN_abs_is_word() test if +I<a> equals 0, 1, I<w>, or E<verbar>I<w>E<verbar> respectively. +BN_is_odd() tests if I<a> is odd. =head1 RETURN VALUES -BN_cmp() returns -1 if B<a> E<lt> B<b>, 0 if B<a> == B<b> and 1 if -B<a> E<gt> B<b>. BN_ucmp() is the same using the absolute values -of B<a> and B<b>. +BN_cmp() returns -1 if I<a> E<lt> I<b>, 0 if I<a> == I<b> and 1 if +I<a> E<gt> I<b>. BN_ucmp() is the same using the absolute values +of I<a> and I<b>. + +BN_is_zero(), BN_is_one() BN_is_word(), BN_abs_is_word() and +BN_is_odd() return 1 if the condition is true, 0 otherwise. + +=head1 HISTORY -BN_is_zero(), BN_is_one() BN_is_word() and BN_is_odd() return 1 if -the condition is true, 0 otherwise. +Prior to OpenSSL 1.1.0, BN_is_zero(), BN_is_one(), BN_is_word(), +BN_abs_is_word() and BN_is_odd() were macros. =head1 COPYRIGHT -Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved. +Copyright 2000-2021 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 |