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accept NULL in 'free' functions

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This commit is contained in:
Bodo Möller 2002-05-21 09:00:54 +00:00
parent 7448f5e5ed
commit dca142029c
1 changed files with 8 additions and 0 deletions
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8
crypto/ec/ec_lib.c
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@ -106,6 +106,8 @@ EC_GROUP *EC_GROUP_new(const EC_METHOD *meth)
void EC_GROUP_free(EC_GROUP *group) void EC_GROUP_free(EC_GROUP *group)
{ {
if (!group) return;
if (group->meth->group_finish != 0) if (group->meth->group_finish != 0)
group->meth->group_finish(group); group->meth->group_finish(group);
@ -117,6 +119,8 @@ void EC_GROUP_free(EC_GROUP *group)
void EC_GROUP_clear_free(EC_GROUP *group) void EC_GROUP_clear_free(EC_GROUP *group)
{ {
if (!group) return;
if (group->meth->group_clear_finish != 0) if (group->meth->group_clear_finish != 0)
group->meth->group_clear_finish(group); group->meth->group_clear_finish(group);
else if (group->meth != NULL && group->meth->group_finish != 0) else if (group->meth != NULL && group->meth->group_finish != 0)
@ -337,6 +341,8 @@ EC_POINT *EC_POINT_new(const EC_GROUP *group)
void EC_POINT_free(EC_POINT *point) void EC_POINT_free(EC_POINT *point)
{ {
if (!point) return;
if (point->meth->point_finish != 0) if (point->meth->point_finish != 0)
point->meth->point_finish(point); point->meth->point_finish(point);
OPENSSL_free(point); OPENSSL_free(point);
@ -345,6 +351,8 @@ void EC_POINT_free(EC_POINT *point)
void EC_POINT_clear_free(EC_POINT *point) void EC_POINT_clear_free(EC_POINT *point)
{ {
if (!point) return;
if (point->meth->point_clear_finish != 0) if (point->meth->point_clear_finish != 0)
point->meth->point_clear_finish(point); point->meth->point_clear_finish(point);
else if (point->meth != NULL && point->meth->point_finish != 0) else if (point->meth != NULL && point->meth->point_finish != 0)