C++ (Cpp) libretrodb_query_inc_ref示例

示例#1

文件： libretrodb.c 项目： Shamim1977/RetroArch

/**
 * libretrodb_cursor_open:
 * @db                  : Handle to database.
 * @cursor              : Handle to database cursor.
 * @q                   : Query to execute.
 *
 * Opens cursor to database based on query @q.
 *
 * Returns: 0 if successful, otherwise negative.
 **/
int libretrodb_cursor_open(libretrodb_t *db, libretrodb_cursor_t *cursor,
      libretrodb_query_t *q)
{
   cursor->fd = dup(db->fd);

   if (cursor->fd == -1)
      return -errno;

   cursor->db = db;
   cursor->is_valid = 1;
   libretrodb_cursor_reset(cursor);
   cursor->query = q;

   if (q)
      libretrodb_query_inc_ref(q);

   return 0;
}

示例#2

文件： libretrodb.c 项目： CrypticGator/RetroArch

/**
 * libretrodb_cursor_open:
 * @db                  : Handle to database.
 * @cursor              : Handle to database cursor.
 * @q                   : Query to execute.
 *
 * Opens cursor to database based on query @q.
 *
 * Returns: 0 if successful, otherwise negative.
 **/
int libretrodb_cursor_open(libretrodb_t *db, libretrodb_cursor_t *cursor,
      libretrodb_query_t *q)
{
   cursor->fd = filestream_open(db->path, RFILE_MODE_READ | RFILE_HINT_MMAP, -1);

   if (!cursor->fd)
      return -errno;

   cursor->db = db;
   cursor->is_valid = 1;
   libretrodb_cursor_reset(cursor);
   cursor->query = q;

   if (q)
      libretrodb_query_inc_ref(q);

   return 0;
}