Function cupsdCloseCreatedConfFile

scheduler/file.c:89–146

 */

int					/* O - 0 on success, -1 on error */
cupsdCloseCreatedConfFile(
    cups_file_t *fp,			/* I - File to close */
    const char  *filename)		/* I - Filename */
{
  char	newfile[1024],			/* filename.N */
	oldfile[1024];			/* filename.O */


 /*
  * Synchronize changes to disk if SyncOnClose is enabled.
  */

  if (SyncOnClose)
  {
    if (cupsFileFlush(fp))
    {
      cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to write changes to \"%s\": %s",
		      filename, strerror(errno));
      cupsFileClose(fp);
      return (-1);
    }

    if (fsync(cupsFileNumber(fp)))
    {
      cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to sync changes to \"%s\": %s",
		      filename, strerror(errno));
      cupsFileClose(fp);
      return (-1);
    }
  }

 /*
  * First close the file...
  */

  if (cupsFileClose(fp))
    return (-1);

 /*
  * Then remove "filename.O", rename "filename" to "filename.O", and rename
  * "filename.N" to "filename".
  */

  snprintf(newfile, sizeof(newfile), "%s.N", filename);
  snprintf(oldfile, sizeof(oldfile), "%s.O", filename);

  if ((cupsdUnlinkOrRemoveFile(oldfile) && errno != ENOENT) ||
      (rename(filename, oldfile) && errno != ENOENT) ||
      rename(newfile, filename))
  {
    cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to finalize \"%s\": %s",
                    filename, strerror(errno));
    return (-1);
  }

  return (0);
}