12-05-2008
I think the code looks okay (but I'm not a C++ expert). It could be that x and y no longer hold the original reference to your allocated arrays. In that case, the pointers might point somewhere they did not originally. Try this: after instantiating the m_Genes object, create a "shallow copy" of it, then before you distruct, compare the shallow copy with the m_Genes copy. If there's a difference in pointer values, that might be your problem.
Another possibility just occurred to me: It could be that you made a shallow copy of m_Genes and deleted the shallow copy as if it were a deep copy. That is, you already freed the pointers in m_Genes->x and ->y.
10 More Discussions You Might Find Interesting
1. Programming
hi,
I have made a small C program that make use of malloc and free for processing bitmap images. when i try to run the program, I am getting a error something like
*** glibc detected *** free(): invalid next size (normal): 0x0000000000503e70 ***
I am not sure of which free() is causing this... (1 Reply)
Discussion started by: vbreddy
1 Replies
2. Programming
when i try to use the class i wrote, i either get this:
*** glibc detected *** double free or corruption: 0x40236ff4 ***
and the proccess exits with an error code of 0;
or it segfaults. could someone look at my header file (with imp.) to give me some insight as to why its not working?
... (19 Replies)
Discussion started by: norsk hedensk
19 Replies
3. Homework & Coursework Questions
Hi All,
My latest assignment (practice not coursework!) is to write prototype interactive exam/test console application. I've used structs to store the question information (not sure if this was the best way to do it?) and I have the following code that outputs each question and it's possible... (0 Replies)
Discussion started by: pondlife
0 Replies
4. Homework & Coursework Questions
Hi, i'm trying to copy a struct into a binary file using the unix instruction write, so i declare and fill the struct "superbloque" in one function "initSB" and then i pass the pointer to another function called bwrite (for block write) which calls write. The problem is that i call the function... (2 Replies)
Discussion started by: ignatius3
2 Replies
5. Programming
In a well-known book on the C language, there is an example of an efficient method for using a struct member as an argument to a function. (I'm a C noob, but I believe the correct terminology might be: use call-by-reference instead of call-by-value.) The function is printf.
Anyway, here's a... (5 Replies)
Discussion started by: uiop44
5 Replies
6. Programming
Hi guys, I'm trying to understand pointers in C and made a simple example and I've problems with It.
Can someone help?
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
int f1(char **str_);
int main(int argc, char **argv)
{
char *str = NULL;
f1(&str);
... (3 Replies)
Discussion started by: pharaoh
3 Replies
7. Programming
Hi Friends,
while executing the below code, am getting *** glibc detected *** ./ok: malloc(): memory corruption (fast) error, please suggest how to solve this issue.
#include <stdio.h>
#include <string.h>
#include <sqlca.h>
#include <alloca.h>
/* Define constants for VARCHAR... (2 Replies)
Discussion started by: mpjobsrch
2 Replies
8. Programming
I am facing a problem of memory corruption. The loop runs for the first time but does not go through the second time. What could be the problem?
for(int z=0;z<2;z++)
{
fp=fopen("poly.dat","r");
/*do something which reads this file into a 2D array*/
fclose(fp);
... (10 Replies)
Discussion started by: dare
10 Replies
9. Programming
Currently I test a shared library vendor provided in linux , the following is the simple source :
#include <iostream>
using namespace std;
extern int test1();
extern int test2();
int main()
{
cout << "hello world" << endl ;
return 0 ;
cout << "Test 1" << endl;
... (6 Replies)
Discussion started by: barfatchen
6 Replies
10. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
I'm doing aproximation of derivative called five-point stencil. For every value of x, in interval , in step... (0 Replies)
Discussion started by: antonija
0 Replies
LEARN ABOUT DEBIAN
gtk2::pagesetup
Gtk2::PageSetup(3pm) User Contributed Perl Documentation Gtk2::PageSetup(3pm)
NAME
Gtk2::PageSetup - wrapper for GtkPageSetup
HIERARCHY
Glib::Object
+----Gtk2::PageSetup
METHODS
pagesetup = Gtk2::PageSetup->new
pagesetup = Gtk2::PageSetup->new_from_file ($file_name)
o $file_name (localized file name)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.12
pagesetup = Gtk2::PageSetup->new_from_key_file ($key_file, $group_name)
o $key_file (Glib::KeyFile)
o $group_name (string or undef)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.12
double = $setup->get_bottom_margin ($unit)
o $unit (Gtk2::Unit)
$setup->set_bottom_margin ($margin, $unit)
o $margin (double)
o $unit (Gtk2::Unit)
double = $setup->get_left_margin ($unit)
o $unit (Gtk2::Unit)
$setup->set_left_margin ($margin, $unit)
o $margin (double)
o $unit (Gtk2::Unit)
$setup->load_file ($file_name)
o $file_name (string)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.14
$setup->load_key_file ($key_file, $group_name)
o $key_file (Glib::KeyFile)
o $group_name (string or undef)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.14
pageorientation = $setup->get_orientation
$setup->set_orientation ($orientation)
o $orientation (Gtk2::PageOrientation)
double = $setup->get_page_height ($unit)
o $unit (Gtk2::Unit)
double = $setup->get_page_width ($unit)
o $unit (Gtk2::Unit)
double = $setup->get_paper_height ($unit)
o $unit (Gtk2::Unit)
$setup->set_paper_size_and_default_margins ($size)
o $size (Gtk2::PaperSize)
papersize = $setup->get_paper_size
$setup->set_paper_size ($size)
o $size (Gtk2::PaperSize)
double = $setup->get_paper_width ($unit)
o $unit (Gtk2::Unit)
double = $setup->get_right_margin ($unit)
o $unit (Gtk2::Unit)
$setup->set_right_margin ($margin, $unit)
o $margin (double)
o $unit (Gtk2::Unit)
$setup->to_file ($file_name)
o $file_name (localized file name)
May croak with a Glib::Error in $@ on failure.
Since: gtk+ 2.12
$setup->to_key_file ($key_file, $group_name)
o $key_file (Glib::KeyFile)
o $group_name (string or undef)
Since: gtk+ 2.12
double = $setup->get_top_margin ($unit)
o $unit (Gtk2::Unit)
$setup->set_top_margin ($margin, $unit)
o $margin (double)
o $unit (Gtk2::Unit)
ENUMS AND FLAGS
enum Gtk2::PageOrientation
o 'portrait' / 'GTK_PAGE_ORIENTATION_PORTRAIT'
o 'landscape' / 'GTK_PAGE_ORIENTATION_LANDSCAPE'
o 'reverse-portrait' / 'GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT'
o 'reverse-landscape' / 'GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE'
enum Gtk2::Unit
o 'pixel' / 'GTK_UNIT_PIXEL'
o 'points' / 'GTK_UNIT_POINTS'
o 'inch' / 'GTK_UNIT_INCH'
o 'mm' / 'GTK_UNIT_MM'
SEE ALSO
Gtk2, Glib::Object
COPYRIGHT
Copyright (C) 2003-2011 by the gtk2-perl team.
This software is licensed under the LGPL. See Gtk2 for a full notice.
perl v5.14.2 2012-05-27 Gtk2::PageSetup(3pm)