diff options
author | René Schümann <white06tiger@gmail.com> | 2015-03-20 12:32:29 +0000 |
---|---|---|
committer | René Schümann <white06tiger@gmail.com> | 2015-03-20 12:32:29 +0000 |
commit | 539705d58fc39a28388ff18c695dd406f4ffd1d9 (patch) | |
tree | 51db7a37a66c09f41734ba5573d972aae9f30d71 /plugins/MirOTR/Libgcrypt/mpi/mpi-cmp.c | |
parent | 90171f125f36488dc08f5cfe0b0d4b78d995f08d (diff) |
MirOTR: Libgcrypt and Libgpg-error update
Libgcrypt 1.4.6 => 1.6.3
Libgpg-error 1.9 => 1.18
git-svn-id: http://svn.miranda-ng.org/main/trunk@12449 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/MirOTR/Libgcrypt/mpi/mpi-cmp.c')
-rw-r--r-- | plugins/MirOTR/Libgcrypt/mpi/mpi-cmp.c | 63 |
1 files changed, 40 insertions, 23 deletions
diff --git a/plugins/MirOTR/Libgcrypt/mpi/mpi-cmp.c b/plugins/MirOTR/Libgcrypt/mpi/mpi-cmp.c index 9dd10830b0..838a7c9240 100644 --- a/plugins/MirOTR/Libgcrypt/mpi/mpi-cmp.c +++ b/plugins/MirOTR/Libgcrypt/mpi/mpi-cmp.c @@ -24,7 +24,7 @@ #include "mpi-internal.h" int -gcry_mpi_cmp_ui (gcry_mpi_t u, unsigned long v) +_gcry_mpi_cmp_ui (gcry_mpi_t u, unsigned long v) { mpi_limb_t limb = v; @@ -53,38 +53,55 @@ gcry_mpi_cmp_ui (gcry_mpi_t u, unsigned long v) return 1; } + int -gcry_mpi_cmp (gcry_mpi_t u, gcry_mpi_t v) +_gcry_mpi_cmp (gcry_mpi_t u, gcry_mpi_t v) { mpi_size_t usize; mpi_size_t vsize; int cmp; - _gcry_mpi_normalize (u); - _gcry_mpi_normalize (v); - - usize = u->nlimbs; - vsize = v->nlimbs; + if (mpi_is_opaque (u) || mpi_is_opaque (v)) + { + if (mpi_is_opaque (u) && !mpi_is_opaque (v)) + return -1; + if (!mpi_is_opaque (u) && mpi_is_opaque (v)) + return 1; + if (!u->sign && !v->sign) + return 0; /* Empty buffers are identical. */ + if (u->sign < v->sign) + return -1; + if (u->sign > v->sign) + return 1; + return memcmp (u->d, v->d, (u->sign+7)/8); + } + else + { + _gcry_mpi_normalize (u); + _gcry_mpi_normalize (v); - /* Compare sign bits. */ + usize = u->nlimbs; + vsize = v->nlimbs; - if (!u->sign && v->sign) - return 1; - if (u->sign && !v->sign) - return -1; + /* Compare sign bits. */ - /* U and V are either both positive or both negative. */ + if (!u->sign && v->sign) + return 1; + if (u->sign && !v->sign) + return -1; - if( usize != vsize && !u->sign && !v->sign ) - return usize - vsize; - if( usize != vsize && u->sign && v->sign ) - return vsize + usize; - if( !usize ) - return 0; - if( !(cmp = _gcry_mpih_cmp( u->d, v->d, usize )) ) - return 0; - if( (cmp < 0?1:0) == (u->sign?1:0)) - return 1; + /* U and V are either both positive or both negative. */ + if (usize != vsize && !u->sign && !v->sign) + return usize - vsize; + if (usize != vsize && u->sign && v->sign) + return vsize + usize; + if (!usize ) + return 0; + if (!(cmp = _gcry_mpih_cmp (u->d, v->d, usize))) + return 0; + if ((cmp < 0?1:0) == (u->sign?1:0)) + return 1; + } return -1; } |