diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/bn/bn_div.c')
| -rw-r--r-- | deps/openssl/openssl/crypto/bn/bn_div.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/deps/openssl/openssl/crypto/bn/bn_div.c b/deps/openssl/openssl/crypto/bn/bn_div.c index 884ff29917..70add10c7d 100644 --- a/deps/openssl/openssl/crypto/bn/bn_div.c +++ b/deps/openssl/openssl/crypto/bn/bn_div.c @@ -24,17 +24,17 @@ int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, bn_check_top(d); if (BN_is_zero(d)) { BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO); - return (0); + return 0; } if (BN_ucmp(m, d) < 0) { if (rem != NULL) { if (BN_copy(rem, m) == NULL) - return (0); + return 0; } if (dv != NULL) BN_zero(dv); - return (1); + return 1; } BN_CTX_start(ctx); @@ -81,7 +81,7 @@ int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, ret = 1; end: BN_CTX_end(ctx); - return (ret); + return ret; } #else @@ -97,8 +97,6 @@ int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, * understand why...); * - divl doesn't only calculate quotient, but also leaves * remainder in %edx which we can definitely use here:-) - * - * <appro@fy.chalmers.se> */ # undef bn_div_words # define bn_div_words(n0,n1,d0) \ @@ -113,7 +111,6 @@ int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, # elif defined(__x86_64) && defined(SIXTY_FOUR_BIT_LONG) /* * Same story here, but it's 128-bit by 64-bit division. Wow! - * <appro@fy.chalmers.se> */ # undef bn_div_words # define bn_div_words(n0,n1,d0) \ @@ -177,28 +174,25 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor, if (BN_is_zero(divisor)) { BNerr(BN_F_BN_DIV, BN_R_DIV_BY_ZERO); - return (0); + return 0; } if (!no_branch && BN_ucmp(num, divisor) < 0) { if (rm != NULL) { if (BN_copy(rm, num) == NULL) - return (0); + return 0; } if (dv != NULL) BN_zero(dv); - return (1); + return 1; } BN_CTX_start(ctx); + res = (dv == NULL) ? BN_CTX_get(ctx) : dv; tmp = BN_CTX_get(ctx); snum = BN_CTX_get(ctx); sdiv = BN_CTX_get(ctx); - if (dv == NULL) - res = BN_CTX_get(ctx); - else - res = dv; - if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL) + if (sdiv == NULL) goto err; /* First we normalise the numbers */ @@ -415,10 +409,10 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor, if (no_branch) bn_correct_top(res); BN_CTX_end(ctx); - return (1); + return 1; err: bn_check_top(rm); BN_CTX_end(ctx); - return (0); + return 0; } #endif |