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by request: let BN_dup(NULL) just return NULL

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This commit is contained in:
Bodo Möller 1999-07-30 19:22:57 +00:00
parent 0dd25e3606
commit 8d85b33eb5
1 changed files with 2 additions and 0 deletions
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2
crypto/bn/bn_lib.c
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@ -489,6 +489,8 @@ BIGNUM *BN_dup(const BIGNUM *a)
{ {
BIGNUM *r; BIGNUM *r;
if (a == NULL) return NULL;
bn_check_top(a); bn_check_top(a);
r=BN_new(); r=BN_new();