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Full Discussion: Deep copy of structure in C
Top Forums Programming Deep copy of structure in C Post 302906354 by breezevinay on Thursday 19th of June 2014 05:47:42 AM
Old 06-19-2014
For me whole linked list has to be copied .

Yes for third point ,
We need to allocate different chunks of memory.

Additional information :

Actually my problem is the variable iter in the code gets corrupted , Using the vaue of iter we try to connect to some host using a
fuction
mcc_ipc_connect_a(iter-ai_family,SOCK_STREAM, 0, &conn->socket,
(MCC_T_SYS_SOCKADDR*)(iter->ai_addr), iter->ai_addrlen);

Here due to whatever reasons , the connection doesnt establish and later result in retry for connection and timesout. This corrupts iter structure , which will be used iterate . As this is corrupted and is invalid structure , the application results in core dump.
so we are thinking of having a local variable and pass to the to function which actually corrupts data , So the iter is not corrupted rather the local variable which we used is corrupted. So after the timeout based on the value of iter , the iteration is done and will be done properly . So this is my requirement , probably we may not require whole linked list to be copied to the local variable in case , please share your ideas on the same and how can we achieve it
 

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LEARN ABOUT SUSE

gtk2::textiter

Gtk2::TextIter(3)					User Contributed Perl Documentation					 Gtk2::TextIter(3)

NAME

       Gtk2::TextIter

HIERARCHY

	 Glib::Boxed
	 +----Gtk2::TextIter

METHODS

   textattributes = $iter->get_attributes
   boolean = $iter->backward_char
   boolean = $iter->backward_chars ($count)
       o   $count (integer)

   boolean = $iter->backward_cursor_position
   boolean = $iter->backward_cursor_positions ($count)
       o   $count (integer)

   boolean = $iter->backward_find_char ($pred, $user_data=undef, $limit=undef)
       o   $pred (scalar)

       o   $user_data (scalar)

       o   $limit (Gtk2::TextIter or undef)

   boolean = $iter->backward_line
   boolean = $iter->backward_lines ($count)
       o   $count (integer)

   (match_start, match_end) = $iter->forward_search ($str, $flags, $limit=NULL)
       o   $str (string)

       o   $flags (Gtk2::TextSearchFlags)

       o   $limit (Gtk2::TextIter or undef)

   boolean = $iter->backward_sentence_start
   boolean = $iter->backward_sentence_starts ($count)
       o   $count (integer)

   boolean = $iter->backward_to_tag_toggle ($tag)
       o   $tag (Gtk2::TextTag or undef)

   boolean = $iter->backward_visible_cursor_position
       Since: gtk+ 2.4

   boolean = $iter->backward_visible_cursor_positions ($count)
       o   $count (integer)

       Since: gtk+ 2.4

   boolean = $iter->backward_visible_line
       Since: gtk+ 2.8

   boolean = $iter->backward_visible_lines ($count)
       o   $count (integer)

       Since: gtk+ 2.8

   boolean = $iter->backward_visible_word_start
       Since: gtk+ 2.4

   boolean = $iter->backward_visible_word_starts ($count)
       o   $count (integer)

       Since: gtk+ 2.4

   boolean = $iter->backward_word_start
   boolean = $iter->backward_word_starts ($count)
       o   $count (integer)

   boolean = $iter->begins_tag ($tag)
       o   $tag (Gtk2::TextTag or undef)

   textbuffer = $iter->get_buffer
   integer = $iter->get_bytes_in_line
   boolean = $iter->can_insert ($default_editability)
       o   $default_editability (boolean)

   character = $iter->get_char
   integer = $iter->get_chars_in_line
   textchildanchor or undef = $iter->get_child_anchor
   integer = $lhs->compare ($rhs)
       o   $rhs (Gtk2::TextIter)

   boolean = $iter->editable ($default_setting)
       o   $default_setting (boolean)

   boolean = $iter->ends_line
   boolean = $iter->ends_sentence
   boolean = $iter->ends_tag ($tag)
       o   $tag (Gtk2::TextTag or undef)

   boolean = $iter->ends_word
   boolean = $lhs->equal ($rhs)
       o   $rhs (Gtk2::TextIter)

   boolean = $iter->forward_char
   boolean = $iter->forward_chars ($count)
       o   $count (integer)

   boolean = $iter->forward_cursor_position
   boolean = $iter->forward_cursor_positions ($count)
       o   $count (integer)

   boolean = $iter->forward_find_char ($pred, $user_data=undef, $limit=undef)
       o   $pred (scalar)

       o   $user_data (scalar)

       o   $limit (Gtk2::TextIter or undef)

   boolean = $iter->forward_line
   boolean = $iter->forward_lines ($count)
       o   $count (integer)

   (match_start, match_end) = $iter->forward_search ($str, $flags, $limit=NULL)
       o   $str (string)

       o   $flags (Gtk2::TextSearchFlags)

       o   $limit (Gtk2::TextIter or undef)

   boolean = $iter->forward_sentence_end
   boolean = $iter->forward_sentence_ends ($count)
       o   $count (integer)

   $iter->forward_to_end
   boolean = $iter->forward_to_line_end
   boolean = $iter->forward_to_tag_toggle ($tag)
       o   $tag (Gtk2::TextTag or undef)

   boolean = $iter->forward_visible_cursor_position
       Since: gtk+ 2.4

   boolean = $iter->forward_visible_cursor_positions ($count)
       o   $count (integer)

       Since: gtk+ 2.4

   boolean = $iter->forward_visible_line
       Since: gtk+ 2.8

   boolean = $iter->forward_visible_lines ($count)
       o   $count (integer)

       Since: gtk+ 2.8

   boolean = $iter->forward_visible_word_end
       Since: gtk+ 2.4

   boolean = $iter->forward_visible_word_ends ($count)
       o   $count (integer)

       Since: gtk+ 2.4

   boolean = $iter->forward_word_end
   boolean = $iter->forward_word_ends ($count)
       o   $count (integer)

   boolean = $iter->has_tag ($tag)
       o   $tag (Gtk2::TextTag)

   boolean = $iter->in_range ($start, $end)
       o   $start (Gtk2::TextIter)

       o   $end (Gtk2::TextIter)

   boolean = $iter->inside_sentence
   boolean = $iter->inside_word
   boolean = $iter->is_cursor_position
   boolean = $iter->is_end
   boolean = $iter->is_start
   language = $iter->get_language
   integer = $iter->get_line
   integer = $iter->get_line_index
   $iter->set_line_index ($byte_on_line)
       o   $byte_on_line (integer)

   integer = $iter->get_line_offset
   $iter->set_line_offset ($char_on_line)
       o   $char_on_line (integer)

   $iter->set_line ($line_number)
       o   $line_number (integer)

   list = $iter->get_marks
       Returns a list of all Gtk2::TextMark at this location. Because marks are not iterable (they don't take up any "space" in the buffer, they
       are just marks in between iterable locations), multiple marks can exist in the same place. The returned list is not in any meaningful
       order.

   integer = $iter->get_offset
   $iter->set_offset ($char_offset)
       o   $char_offset (integer)

   $first->order ($second)
       o   $second (Gtk2::TextIter)

   pixbuf or undef = $iter->get_pixbuf
   string = $start->get_slice ($end)
       o   $end (Gtk2::TextIter)

   boolean = $iter->starts_line
   boolean = $iter->starts_sentence
   boolean = $iter->starts_word
   list = $iter->get_tags
       Returns a list of tags that apply to iter, in ascending order of priority (highest-priority tags are last).

   string = $start->get_text ($end)
       o   $end (Gtk2::TextIter)

   list = $iter->get_toggled_tags ($toggled_on)
       o   $toggled_on (boolean)

       Returns a list of Gtk2::TextTag that are toggled on or off at this point. (If toggled_on is TRUE, the list contains tags that are toggled
       on.) If a tag is toggled on at iter, then some non-empty range of characters following iter has that tag applied to it. If a tag is toggled
       off, then some non-empty range following iter does not have the tag applied to it.

   boolean = $iter->toggles_tag ($tag)
       o   $tag (Gtk2::TextTag or undef)

   integer = $iter->get_visible_line_index
   $iter->set_visible_line_index ($byte_on_line)
       o   $byte_on_line (integer)

   integer = $iter->get_visible_line_offset
   $iter->set_visible_line_offset ($char_on_line)
       o   $char_on_line (integer)

   string = $start->get_visible_slice ($end)
       o   $end (Gtk2::TextIter)

   string = $start->get_visible_text ($end)
       o   $end (Gtk2::TextIter)

ENUMS AND FLAGS

   flags Gtk2::TextSearchFlags
       o   'visible-only' / 'GTK_TEXT_SEARCH_VISIBLE_ONLY'

       o   'text-only' / 'GTK_TEXT_SEARCH_TEXT_ONLY'

SEE ALSO

       Gtk2, Glib::Boxed

COPYRIGHT

       Copyright (C) 2003-2008 by the gtk2-perl team.

       This software is licensed under the LGPL.  See Gtk2 for a full notice.

perl v5.12.1							    2010-07-05							 Gtk2::TextIter(3)
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