michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: /*
michael@0:  * pkix_errpaths.c
michael@0:  *
michael@0:  * Error Handling Helper Functions
michael@0:  *
michael@0:  */
michael@0: 
michael@0: #define PKIX_STDVARS_POINTER
michael@0: #include "pkix_error.h"
michael@0: 
michael@0: const PKIX_StdVars zeroStdVars;
michael@0: 
michael@0: PKIX_Error*
michael@0: PKIX_DoThrow(PKIX_StdVars * stdVars, PKIX_ERRORCLASS errClass, 
michael@0:              PKIX_ERRORCODE errCode, PKIX_ERRORCLASS overrideClass,
michael@0:              void *plContext)
michael@0: {
michael@0:     if (!pkixErrorReceived && !pkixErrorResult && pkixErrorList) { 
michael@0:         pkixTempResult = PKIX_List_GetItem(pkixErrorList, 0, 
michael@0:                          (PKIX_PL_Object**)&pkixReturnResult,
michael@0:                                            plContext); 
michael@0:     } else { 
michael@0:         pkixTempResult = (PKIX_Error*)pkix_Throw(errClass, myFuncName, errCode,
michael@0:                                                  overrideClass, pkixErrorResult,
michael@0:                                                  &pkixReturnResult, plContext);
michael@0:     }
michael@0:     if (pkixReturnResult) {
michael@0:         if (pkixErrorResult != PKIX_ALLOC_ERROR()) {
michael@0:             PKIX_DECREF(pkixErrorResult);
michael@0:         }
michael@0:         pkixTempResult = pkixReturnResult;
michael@0:     } else if (pkixErrorResult) {
michael@0:         if (pkixTempResult != PKIX_ALLOC_ERROR()) {
michael@0:             PKIX_DECREF(pkixTempResult);
michael@0:         }
michael@0:         pkixTempResult = pkixErrorResult;
michael@0:     }
michael@0:     if (pkixErrorList) {
michael@0:         PKIX_PL_Object_DecRef((PKIX_PL_Object*)pkixErrorList, plContext);
michael@0:         pkixErrorList = NULL;
michael@0:     }
michael@0:     return pkixTempResult;
michael@0: }
michael@0: 
michael@0: PKIX_Error *
michael@0: PKIX_DoReturn(PKIX_StdVars * stdVars, PKIX_ERRORCLASS errClass,
michael@0:               PKIX_Boolean doLogger, void *plContext)
michael@0: {
michael@0:     PKIX_OBJECT_UNLOCK(lockedObject);
michael@0:     if (pkixErrorReceived || pkixErrorResult || pkixErrorList)
michael@0: 	return PKIX_DoThrow(stdVars, errClass, pkixErrorCode, pkixErrorClass,
michael@0:                              plContext);
michael@0:     /* PKIX_DEBUG_EXIT(type); */
michael@0:     if (doLogger)
michael@0: 	_PKIX_DEBUG_TRACE(pkixLoggersDebugTrace, "<<<", PKIX_LOGGER_LEVEL_TRACE);
michael@0:     return NULL;
michael@0: }
michael@0: 
michael@0: /* PKIX_DoAddError - creates the list of received error if it does not exist
michael@0:  * yet and adds newly received error into the list. */
michael@0: void
michael@0: PKIX_DoAddError(PKIX_StdVars *stdVars, PKIX_Error *error, void * plContext)
michael@0: {
michael@0:     PKIX_List *localList = NULL;
michael@0:     PKIX_Error *localError = NULL;
michael@0:     PKIX_Boolean listCreated = PKIX_FALSE;
michael@0: 
michael@0:     if (!pkixErrorList) {
michael@0:         localError = PKIX_List_Create(&localList, plContext);
michael@0:         if (localError)
michael@0:             goto cleanup;
michael@0:         listCreated = PKIX_TRUE;
michael@0:     } else {
michael@0:         localList = pkixErrorList;
michael@0:     }
michael@0: 
michael@0:     localError = PKIX_List_AppendItem(localList, (PKIX_PL_Object*)error,
michael@0:                                       plContext);
michael@0:     PORT_Assert (localError == NULL);
michael@0:     if (localError != NULL) {
michael@0:         if (listCreated) {
michael@0:             /* ignore the error code of DecRef function */
michael@0:             PKIX_PL_Object_DecRef((PKIX_PL_Object*)localList, plContext);
michael@0:             localList = NULL;
michael@0:         }
michael@0:     } else {
michael@0:         pkixErrorList = localList;
michael@0:     }
michael@0: 
michael@0: cleanup:
michael@0: 
michael@0:     if (localError && localError != PKIX_ALLOC_ERROR()) {
michael@0:         PKIX_PL_Object_DecRef((PKIX_PL_Object*)localError, plContext);
michael@0:     }
michael@0: 
michael@0:     if (error && error != PKIX_ALLOC_ERROR()) {
michael@0:         PKIX_PL_Object_DecRef((PKIX_PL_Object*)error, plContext);
michael@0:     }
michael@0: }
michael@0: