Lines Matching refs:NULL
64 static DSO_METHOD *default_DSO_meth = NULL;
68 return(DSO_new_method(NULL));
98 if(default_DSO_meth == NULL)
104 if(ret == NULL)
107 return(NULL);
111 if(ret->meth_data == NULL)
116 return(NULL);
118 if(meth == NULL)
123 if((ret->meth->init != NULL) && !ret->meth->init(ret))
126 ret=NULL;
135 if(dso == NULL)
154 if((dso->meth->dso_unload != NULL) && !dso->meth->dso_unload(dso))
160 if((dso->meth->finish != NULL) && !dso->meth->finish(dso))
167 if(dso->filename != NULL)
169 if(dso->loaded_filename != NULL)
178 return((dso == NULL) ? 0 : dso->flags);
184 if (dso == NULL)
199 if(dso == NULL)
202 if(ret == NULL)
209 if(DSO_ctrl(ret, DSO_CTRL_SET_FLAGS, flags, NULL) < 0)
218 if(ret->filename != NULL)
223 /* filename can only be NULL if we were passed a dso that already has
225 if(filename != NULL)
232 if(filename == NULL)
237 if(ret->meth->dso_load == NULL)
252 return(NULL);
257 void *ret = NULL;
259 if((dso == NULL) || (symname == NULL))
262 return(NULL);
264 if(dso->meth->dso_bind_var == NULL)
267 return(NULL);
269 if((ret = dso->meth->dso_bind_var(dso, symname)) == NULL)
272 return(NULL);
280 DSO_FUNC_TYPE ret = NULL;
282 if((dso == NULL) || (symname == NULL))
285 return(NULL);
287 if(dso->meth->dso_bind_func == NULL)
290 return(NULL);
292 if((ret = dso->meth->dso_bind_func(dso, symname)) == NULL)
295 return(NULL);
311 if(dso == NULL)
332 if((dso->meth == NULL) || (dso->meth->dso_ctrl == NULL))
343 if(dso == NULL)
357 if(dso == NULL)
360 return(NULL);
369 if((dso == NULL) || (filename == NULL))
381 if(copied == NULL)
395 char *result = NULL;
397 if(dso == NULL || filespec1 == NULL)
400 return(NULL);
404 if(dso->merger != NULL)
406 else if(dso->meth->dso_merger != NULL)
415 char *result = NULL;
417 if(dso == NULL)
420 return(NULL);
422 if(filename == NULL)
424 if(filename == NULL)
427 return(NULL);
431 if(dso->name_converter != NULL)
433 else if(dso->meth->dso_name_converter != NULL)
436 if(result == NULL)
439 if(result == NULL)
443 return(NULL);
452 if(dso == NULL)
456 return(NULL);
464 if (meth == NULL) meth = DSO_METHOD_openssl();
465 if (meth->pathbyaddr == NULL)
476 if (meth == NULL) meth = DSO_METHOD_openssl();
477 if (meth->globallookup == NULL)
480 return NULL;
