Lines Matching refs:NULL
27 static ENGINE *engine_list_head = NULL;
28 static ENGINE *engine_list_tail = NULL;
33 static ENGINE *engine_dyn_list_head = NULL;
34 static ENGINE *engine_dyn_list_tail = NULL;
46 while (iterator != NULL) { in engine_list_cleanup()
60 ENGINE *iterator = NULL; in engine_list_add()
63 if (e == NULL) { in engine_list_add()
85 if (engine_list_head == NULL) { in engine_list_add()
87 if (engine_list_tail != NULL) { in engine_list_add()
101 e->prev = NULL; in engine_list_add()
104 if ((engine_list_tail == NULL) || (engine_list_tail->next != NULL)) { in engine_list_add()
115 e->next = NULL; in engine_list_add()
123 if (e == NULL) { in engine_list_remove()
131 if (iterator == NULL) { in engine_list_remove()
154 ENGINE *iterator = NULL; in engine_add_dynamic_id()
156 if (e == NULL) in engine_add_dynamic_id()
159 if (e->dynamic_id == NULL && dynamic_id == NULL) in engine_add_dynamic_id()
165 if (dynamic_id != NULL) { in engine_add_dynamic_id()
167 while (iterator != NULL) { in engine_add_dynamic_id()
172 if (e->dynamic_id != NULL) in engine_add_dynamic_id()
177 if (engine_dyn_list_head == NULL) { in engine_add_dynamic_id()
179 if (engine_dyn_list_tail != NULL) in engine_add_dynamic_id()
182 e->prev_dyn = NULL; in engine_add_dynamic_id()
185 if (engine_dyn_list_tail == NULL in engine_add_dynamic_id()
186 || engine_dyn_list_tail->next_dyn != NULL) in engine_add_dynamic_id()
193 e->next_dyn = NULL; in engine_add_dynamic_id()
205 if (e == NULL || e->dynamic_id == NULL) in engine_remove_dynamic_id()
211 e->dynamic_id = NULL; in engine_remove_dynamic_id()
214 if (e->next_dyn != NULL) in engine_remove_dynamic_id()
216 if (e->prev_dyn != NULL) in engine_remove_dynamic_id()
236 return NULL; in ENGINE_get_first()
240 return NULL; in ENGINE_get_first()
248 return NULL; in ENGINE_get_first()
263 return NULL; in ENGINE_get_last()
267 return NULL; in ENGINE_get_last()
275 return NULL; in ENGINE_get_last()
286 ENGINE *ret = NULL; in ENGINE_get_next()
287 if (e == NULL) { in ENGINE_get_next()
289 return NULL; in ENGINE_get_next()
292 return NULL; in ENGINE_get_next()
301 return NULL; in ENGINE_get_next()
313 ENGINE *ret = NULL; in ENGINE_get_prev()
314 if (e == NULL) { in ENGINE_get_prev()
316 return NULL; in ENGINE_get_prev()
319 return NULL; in ENGINE_get_prev()
328 return NULL; in ENGINE_get_prev()
342 if (e == NULL) { in ENGINE_add()
346 if ((e->id == NULL) || (e->name == NULL)) { in ENGINE_add()
364 if (e == NULL) { in ENGINE_remove()
405 engine_add_dynamic_id(dest, NULL, 0); in engine_cpy()
411 const char *load_dir = NULL; in ENGINE_by_id()
412 if (id == NULL) { in ENGINE_by_id()
414 return NULL; in ENGINE_by_id()
421 return NULL; in ENGINE_by_id()
425 return NULL; in ENGINE_by_id()
429 if (iterator != NULL) { in ENGINE_by_id()
437 if (cp == NULL) in ENGINE_by_id()
438 iterator = NULL; in ENGINE_by_id()
449 return NULL; in ENGINE_by_id()
455 if (iterator != NULL) in ENGINE_by_id()
461 if ((load_dir = ossl_safe_getenv("OPENSSL_ENGINES")) == NULL) in ENGINE_by_id()
469 !ENGINE_ctrl_cmd_string(iterator, "LOAD", NULL, 0)) in ENGINE_by_id()
476 return NULL; in ENGINE_by_id()
483 if (e == NULL) { in ENGINE_up_ref()
