diff options
| author | Stefan Metzmacher <metze@samba.org> | 2022-01-19 13:15:45 +0100 |
|---|---|---|
| committer | Joseph Sutton <jsutton@samba.org> | 2022-01-19 21:41:59 +0000 |
| commit | 7055827b8ffd3823c1240ba3f0b619dd6068cd51 (patch) | |
| tree | abb14aa7455bde7b1b33b706123c57ccfc28fcaa /third_party/heimdal/lib/hcrypto/libtommath/bn_mp_neg.c | |
| parent | 1954e50f266256c9e153c9613f49f9d9f5dbf67b (diff) | |
| download | samba-7055827b8ffd3823c1240ba3f0b619dd6068cd51.tar.gz | |
HEIMDAL: move code from source4/heimdal* to third_party/heimdal*
This makes it clearer that we always want to do heimdal changes
via the lorikeet-heimdal repository.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Autobuild-User(master): Joseph Sutton <jsutton@samba.org>
Autobuild-Date(master): Wed Jan 19 21:41:59 UTC 2022 on sn-devel-184
Diffstat (limited to 'third_party/heimdal/lib/hcrypto/libtommath/bn_mp_neg.c')
| -rw-r--r-- | third_party/heimdal/lib/hcrypto/libtommath/bn_mp_neg.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_neg.c b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_neg.c new file mode 100644 index 00000000000..264d90097cf --- /dev/null +++ b/third_party/heimdal/lib/hcrypto/libtommath/bn_mp_neg.c @@ -0,0 +1,24 @@ +#include "tommath_private.h" +#ifdef BN_MP_NEG_C +/* LibTomMath, multiple-precision integer library -- Tom St Denis */ +/* SPDX-License-Identifier: Unlicense */ + +/* b = -a */ +mp_err mp_neg(const mp_int *a, mp_int *b) +{ + mp_err err; + if (a != b) { + if ((err = mp_copy(a, b)) != MP_OKAY) { + return err; + } + } + + if (!MP_IS_ZERO(b)) { + b->sign = (a->sign == MP_ZPOS) ? MP_NEG : MP_ZPOS; + } else { + b->sign = MP_ZPOS; + } + + return MP_OKAY; +} +#endif |