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make hashtable destruction a bit more defensive

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@15852 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Joshua Sled 2007-04-09 20:00:46 +00:00
parent f5e053f05d
commit 880da659b5
1 changed files with 17 additions and 4 deletions
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21
src/app-utils/gnc-sx-instance-model.c
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@ -500,7 +500,10 @@ gnc_sx_instance_free(GncSxInstance *instance)
{ {
gnc_sx_destroy_temporal_state(instance->temporal_state); gnc_sx_destroy_temporal_state(instance->temporal_state);
g_hash_table_destroy(instance->variable_bindings); if (instance->variable_bindings != NULL)
{
g_hash_table_destroy(instance->variable_bindings);
}
instance->variable_bindings = NULL; instance->variable_bindings = NULL;
g_free(instance); g_free(instance);
@ -511,7 +514,10 @@ gnc_sx_instances_free(GncSxInstances *instances)
{ {
GList *instance_iter; GList *instance_iter;
g_hash_table_destroy(instances->variable_names); if (instances->variable_names != NULL)
{
g_hash_table_destroy(instances->variable_names);
}
instances->variable_names = NULL; instances->variable_names = NULL;
instances->sx = NULL; instances->sx = NULL;
@ -798,7 +804,10 @@ gnc_sx_instance_model_update_sx_instances(GncSxInstanceModel *model, SchedXactio
added_var_names = added_cb_data.list; added_var_names = added_cb_data.list;
g_debug("%d added variables", g_list_length(added_var_names)); g_debug("%d added variables", g_list_length(added_var_names));
g_hash_table_destroy(existing->variable_names); if (existing->variable_names != NULL)
{
g_hash_table_destroy(existing->variable_names);
}
existing->variable_names = new_instances->variable_names; existing->variable_names = new_instances->variable_names;
new_instances->variable_names = NULL; new_instances->variable_names = NULL;
@ -944,7 +953,11 @@ _get_sx_formula(GncSxInstance *instance, Split *template_split, gnc_numeric *num
gnc_exp_parser_error_string()); gnc_exp_parser_error_string());
*creation_errors = g_list_append(*creation_errors, err); *creation_errors = g_list_append(*creation_errors, err);
} }
g_hash_table_destroy(parser_vars);
if (parser_vars != NULL)
{
g_hash_table_destroy(parser_vars);
}
} }
} }