diff options
| author | Brian Smith <brian@briansmith.org> | 2016-07-02 02:36:06 +0300 |
|---|---|---|
| committer | David Benjamin <davidben@google.com> | 2016-07-06 20:58:28 +0300 |
| commit | e4bf8b3e05ae87ef14675801997ccf3df7b86fce (patch) | |
| tree | a5ae41152596571e6a5cee245720bd9aa6e37fcc /include/openssl/bn.h | |
| parent | fe47ba2fc5512436696f745b5756d08c7d8ceb0b (diff) | |
Test aliasing in |BN_add| and |BN_sub|.
Also update the documentation for |BN_sub|.
Change-Id: I544dbfc56f22844f6ca08e9e472ec13e76baf8c4
Reviewed-on: https://boringssl-review.googlesource.com/8592
Reviewed-by: David Benjamin <davidben@google.com>
Diffstat (limited to 'include/openssl/bn.h')
| -rw-r--r-- | include/openssl/bn.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/openssl/bn.h b/include/openssl/bn.h index 9ee22376..bc715b02 100644 --- a/include/openssl/bn.h +++ b/include/openssl/bn.h @@ -383,8 +383,8 @@ OPENSSL_EXPORT int BN_uadd(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); /* BN_add_word adds |w| to |a|. It returns one on success and zero otherwise. */ OPENSSL_EXPORT int BN_add_word(BIGNUM *a, BN_ULONG w); -/* BN_sub sets |r| = |a| - |b|, where |r| must be a distinct pointer from |a| - * and |b|. It returns one on success and zero on allocation failure. */ +/* BN_sub sets |r| = |a| - |b|, where |r| may be the same pointer as either |a| + * or |b|. It returns one on success and zero on allocation failure. */ OPENSSL_EXPORT int BN_sub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b); /* BN_usub sets |r| = |a| - |b|, where |a| and |b| are non-negative integers, |