diff options
Diffstat (limited to 'drivers/builtin_openssl2/crypto/stack')
| -rw-r--r-- | drivers/builtin_openssl2/crypto/stack/stack.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/builtin_openssl2/crypto/stack/stack.c b/drivers/builtin_openssl2/crypto/stack/stack.c index 331f907190..fa50083e22 100644 --- a/drivers/builtin_openssl2/crypto/stack/stack.c +++ b/drivers/builtin_openssl2/crypto/stack/stack.c @@ -115,6 +115,40 @@ _STACK *sk_dup(_STACK *sk) return (NULL); } +_STACK *sk_deep_copy(_STACK *sk, void *(*copy_func) (void *), + void (*free_func) (void *)) +{ + _STACK *ret; + int i; + + if ((ret = OPENSSL_malloc(sizeof(_STACK))) == NULL) + return ret; + ret->comp = sk->comp; + ret->sorted = sk->sorted; + ret->num = sk->num; + ret->num_alloc = sk->num > MIN_NODES ? sk->num : MIN_NODES; + ret->data = OPENSSL_malloc(sizeof(char *) * ret->num_alloc); + if (ret->data == NULL) { + OPENSSL_free(ret); + return NULL; + } + for (i = 0; i < ret->num_alloc; i++) + ret->data[i] = NULL; + + for (i = 0; i < ret->num; ++i) { + if (sk->data[i] == NULL) + continue; + if ((ret->data[i] = copy_func(sk->data[i])) == NULL) { + while (--i >= 0) + if (ret->data[i] != NULL) + free_func(ret->data[i]); + sk_free(ret); + return NULL; + } + } + return ret; +} + _STACK *sk_new_null(void) { return sk_new((int (*)(const void *, const void *))0); @@ -326,7 +360,7 @@ void *sk_set(_STACK *st, int i, void *value) void sk_sort(_STACK *st) { - if (st && !st->sorted) { + if (st && !st->sorted && st->comp != NULL) { int (*comp_func) (const void *, const void *); /* |