/*

 * Copyright (c) 2009-2021, Google LLC

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *     * Redistributions of source code must retain the above copyright

 *       notice, this list of conditions and the following disclaimer.

 *     * Redistributions in binary form must reproduce the above copyright

 *       notice, this list of conditions and the following disclaimer in the

 *       documentation and/or other materials provided with the distribution.

 *     * Neither the name of Google LLC nor the

 *       names of its contributors may be used to endorse or promote products

 *       derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "upb/base/status.h"

#include <errno.h>

#include <float.h>

#include <stdarg.h>

#include <stdlib.h>

#include <string.h>

// Must be last.

#include "upb/port/def.inc"

void upb_Status_Clear(upb_Status* status) {

  if (!status) return;

  status->ok = true;

  status->msg[0] = '\0';

}

bool upb_Status_IsOk(const upb_Status* status) { return status->ok; }

const char* upb_Status_ErrorMessage(const upb_Status* status) {

  return status->msg;

}

void upb_Status_SetErrorMessage(upb_Status* status, const char* msg) {

  if (!status) return;

  status->ok = false;

  strncpy(status->msg, msg, _kUpb_Status_MaxMessage - 1);

  status->msg[_kUpb_Status_MaxMessage - 1] = '\0';

}

void upb_Status_SetErrorFormat(upb_Status* status, const char* fmt, ...) {

  va_list args;

  va_start(args, fmt);

  upb_Status_VSetErrorFormat(status, fmt, args);

  va_end(args);

}

void upb_Status_VSetErrorFormat(upb_Status* status, const char* fmt,

                                va_list args) {

  if (!status) return;

  status->ok = false;

  vsnprintf(status->msg, sizeof(status->msg), fmt, args);

  status->msg[_kUpb_Status_MaxMessage - 1] = '\0';

}

void upb_Status_VAppendErrorFormat(upb_Status* status, const char* fmt,

                                   va_list args) {

  size_t len;

  if (!status) return;

  status->ok = false;

  len = strlen(status->msg);

  vsnprintf(status->msg + len, sizeof(status->msg) - len, fmt, args);

  status->msg[_kUpb_Status_MaxMessage - 1] = '\0';

}