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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2F'>mariadb-11.7.2</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fplugin%2F'>plugin</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fplugin%2Ftype_inet%2F'>type_inet</a>/</p><hr><h3>✏️ Editing: item_inetfunc.h</h3>  
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            <textarea name='content' rows='20'>#ifndef ITEM_INETFUNC_INCLUDED
#define ITEM_INETFUNC_INCLUDED

/* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
   Copyright (c) 2014 MariaDB Foundation
   Copyright (c) 2019 MariaDB Corporation

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */


#include &quot;item.h&quot;

/*************************************************************************
  Item_func_inet_aton implements INET_ATON() SQL-function.
*************************************************************************/

class Item_func_inet_aton : public Item_longlong_func
{
  bool check_arguments() const override
  { return check_argument_types_can_return_text(0, arg_count); }
public:
  Item_func_inet_aton(THD *thd, Item *a): Item_longlong_func(thd, a) {}
  longlong val_int() override;
  LEX_CSTRING func_name_cstring() const override
  {
    static LEX_CSTRING name= {STRING_WITH_LEN(&quot;inet_aton&quot;) };
    return name;
  }
  bool fix_length_and_dec(THD *thd) override
  {
    decimals= 0;
    max_length= 21;
    set_maybe_null();
    unsigned_flag= 1;
    return FALSE;
  }
  Item *do_get_copy(THD *thd) const override
  { return get_item_copy&lt;Item_func_inet_aton&gt;(thd, this); }
};


/*************************************************************************
  Item_func_inet_ntoa implements INET_NTOA() SQL-function.
*************************************************************************/

class Item_func_inet_ntoa : public Item_str_func
{
public:
  Item_func_inet_ntoa(THD *thd, Item *a): Item_str_func(thd, a)
  { }
  String *val_str(String* str) override;
  LEX_CSTRING func_name_cstring() const override
  {
    static LEX_CSTRING name= {STRING_WITH_LEN(&quot;inet_ntoa&quot;) };
    return name;
  }
  bool fix_length_and_dec(THD *thd) override
  {
    decimals= 0;
    fix_length_and_charset(3 * 8 + 7, default_charset());
    set_maybe_null();
    return FALSE;
  }
  Item *do_get_copy(THD *thd) const override
  { return get_item_copy&lt;Item_func_inet_ntoa&gt;(thd, this); }
};


/*************************************************************************
  Item_func_inet_bool_base implements common code for INET6/IP-related
  functions returning boolean value.
*************************************************************************/

class Item_func_inet_bool_base : public Item_bool_func
{
public:
  inline Item_func_inet_bool_base(THD *thd, Item *ip_addr):
    Item_bool_func(thd, ip_addr)
  {
    null_value= false;
  }
  bool need_parentheses_in_default() override { return false; }
};


/*************************************************************************
  Item_func_inet6_aton implements INET6_ATON() SQL-function.
*************************************************************************/

class Item_func_inet6_aton : public Item_str_func
{
public:
  inline Item_func_inet6_aton(THD *thd, Item *ip_addr):
    Item_str_func(thd, ip_addr)
  { }

public:
  LEX_CSTRING func_name_cstring() const override
  {
    static LEX_CSTRING name= {STRING_WITH_LEN(&quot;inet6_aton&quot;) };
    return name;
  }
  bool fix_length_and_dec(THD *thd) override
  {
    decimals= 0;
    fix_length_and_charset(16, &amp;my_charset_bin);
    set_maybe_null();
    return FALSE;
  }
  Item *do_get_copy(THD *thd) const override
  { return get_item_copy&lt;Item_func_inet6_aton&gt;(thd, this); }

  String *val_str(String *to) override;
};


/*************************************************************************
  Item_func_inet6_ntoa implements INET6_NTOA() SQL-function.
*************************************************************************/

class Item_func_inet6_ntoa : public Item_str_ascii_func
{
public:
  inline Item_func_inet6_ntoa(THD *thd, Item *ip_addr):
    Item_str_ascii_func(thd, ip_addr)
  { }

public:
  LEX_CSTRING func_name_cstring() const override
  {
    static LEX_CSTRING name= {STRING_WITH_LEN(&quot;inet6_ntoa&quot;) };
    return name;
  }

  bool fix_length_and_dec(THD *thd) override
  {
    decimals= 0;

    // max length: IPv6-address -- 16 bytes
    // 16 bytes / 2 bytes per group == 8 groups =&gt; 7 delimiter
    // 4 symbols per group
    fix_length_and_charset(8 * 4 + 7, default_charset());

    set_maybe_null();;
    return FALSE;
  }
  String *val_str_ascii(String *to) override;
  Item *do_get_copy(THD *thd) const override
  { return get_item_copy&lt;Item_func_inet6_ntoa&gt;(thd, this); }
};


/*************************************************************************
  Item_func_is_ipv4 implements IS_IPV4() SQL-function.
*************************************************************************/

class Item_func_is_ipv4 : public Item_func_inet_bool_base
{
public:
  inline Item_func_is_ipv4(THD *thd, Item *ip_addr):
    Item_func_inet_bool_base(thd, ip_addr)
  { }

public:
  LEX_CSTRING func_name_cstring() const override
  {
    static LEX_CSTRING name= {STRING_WITH_LEN(&quot;is_ipv4&quot;) };
    return name;
  }
  Item *do_get_copy(THD *thd) const override
  { return get_item_copy&lt;Item_func_is_ipv4&gt;(thd, this); }

  bool val_bool() override;
};


/*************************************************************************
  Item_func_is_ipv6 implements IS_IPV6() SQL-function.
*************************************************************************/

class Item_func_is_ipv6 : public Item_func_inet_bool_base
{
public:
  inline Item_func_is_ipv6(THD *thd, Item *ip_addr):
    Item_func_inet_bool_base(thd, ip_addr)
  { }

  LEX_CSTRING func_name_cstring() const override
  {
    static LEX_CSTRING name= {STRING_WITH_LEN(&quot;is_ipv6&quot;) };
    return name;
  }
  Item *do_get_copy(THD *thd) const override
  { return get_item_copy&lt;Item_func_is_ipv6&gt;(thd, this); }

  bool val_bool() override;
};


/*************************************************************************
  Item_func_is_ipv4_compat implements IS_IPV4_COMPAT() SQL-function.
*************************************************************************/

class Item_func_is_ipv4_compat : public Item_func_inet_bool_base
{
public:
  inline Item_func_is_ipv4_compat(THD *thd, Item *ip_addr):
    Item_func_inet_bool_base(thd, ip_addr)
  { }
  LEX_CSTRING func_name_cstring() const override
  {
    static LEX_CSTRING name= {STRING_WITH_LEN(&quot;is_ipv4_compat&quot;) };
    return name;
  }
  Item *do_get_copy(THD *thd) const override
  { return get_item_copy&lt;Item_func_is_ipv4_compat&gt;(thd, this); }
  bool val_bool() override;
};


/*************************************************************************
  Item_func_is_ipv4_mapped implements IS_IPV4_MAPPED() SQL-function.
*************************************************************************/

class Item_func_is_ipv4_mapped : public Item_func_inet_bool_base
{
public:
  inline Item_func_is_ipv4_mapped(THD *thd, Item *ip_addr):
    Item_func_inet_bool_base(thd, ip_addr)
  { }
  LEX_CSTRING func_name_cstring() const override
  {
    static LEX_CSTRING name= {STRING_WITH_LEN(&quot;is_ipv4_mapped&quot;) };
    return name;
  }
  Item *do_get_copy(THD *thd) const override
  { return get_item_copy&lt;Item_func_is_ipv4_mapped&gt;(thd, this); }
  bool val_bool() override;
};

#endif // ITEM_INETFUNC_INCLUDED
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