/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "primpl.h"

#include <string.h>
#include <stdlib.h>

PR_IMPLEMENT(PRErrorCode) PR_GetError(void) {
  PRThread* thread = PR_GetCurrentThread();
  return thread->errorCode;
}

PR_IMPLEMENT(PRInt32) PR_GetOSError(void) {
  PRThread* thread = PR_GetCurrentThread();
  return thread->osErrorCode;
}

PR_IMPLEMENT(void) PR_SetError(PRErrorCode code, PRInt32 osErr) {
  PRThread* thread = PR_GetCurrentThread();
  thread->errorCode = code;
  thread->osErrorCode = osErr;
  thread->errorStringLength = 0;
}

PR_IMPLEMENT(void) PR_SetErrorText(PRIntn textLength, const char* text) {
  PRThread* thread = PR_GetCurrentThread();

  if (0 == textLength) {
    if (NULL != thread->errorString) {
      PR_DELETE(thread->errorString);
    }
    thread->errorStringSize = 0;
  } else {
    PRIntn size =
        textLength + 31; /* actual length to allocate. Plus a little extra */
    if (thread->errorStringSize < textLength + 1) /* do we have room? */
    {
      if (NULL != thread->errorString) {
        PR_DELETE(thread->errorString);
      }
      thread->errorString = (char*)PR_MALLOC(size);
      if (NULL == thread->errorString) {
        thread->errorStringSize = 0;
        thread->errorStringLength = 0;
        return;
      }
      thread->errorStringSize = size;
    }
    memcpy(thread->errorString, text, textLength + 1);
  }
  thread->errorStringLength = textLength;
}

PR_IMPLEMENT(PRInt32) PR_GetErrorTextLength(void) {
  PRThread* thread = PR_GetCurrentThread();
  return thread->errorStringLength;
} /* PR_GetErrorTextLength */

PR_IMPLEMENT(PRInt32) PR_GetErrorText(char* text) {
  PRThread* thread = PR_GetCurrentThread();
  if (0 != thread->errorStringLength) {
    memcpy(text, thread->errorString, thread->errorStringLength + 1);
  }
  return thread->errorStringLength;
} /* PR_GetErrorText */