C/C++ :: GDB Core Generated After Application Gets Terminated
Aug 16, 2013
My C++ application gets crashed after throwing the gdb core
"warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff79e54000"
Core was generated by `./server'.
Program terminated with signal 6, Aborted.
#0 0x0000003b67230265 in raise () from /lib64/libc.so.6
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Feb 26, 2014
I have written the below code,
#include "stdio.h"
int main() {
int c;
while((c=getchar()) != EOF) {
putchar(c);
}
}
The above program is not terminated.how to terminate it?
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Aug 6, 2014
PROGRAM:-
#include<fstream.h> //for reading and writing files
#include<conio.h> //for clrscr()
#include<string.h> //for string characters
#include<stdio.h> //for gets and puts function
#include<process.h> //for exit function
#include<iomanip.h> //for setw function
#include<dos.h> //for delay and sleep function
void main()
{ char ch,c=0,che=16;
int i=1,j=16;
[Code] .....
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Feb 12, 2015
how would I write a function that copies a null-terminated string from one char* buffer to another, without using strcpy? I am trying to avoid strcpy because of the null terminator.
Here is my attempt;
#include <algorithm>
#include <iostream>
static const size_t, data_size =32;
struct tString
{
char data[data_size];
};
std::string buffer = strArray1[0] + strArray2[0];
std::copy(buffer.begin(), buffer.end(), tString[0].data);
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Oct 28, 2013
My programs complies and runs. However, whenever i try to enter something when prompt to enter the number of accounts i wanted to create my program crashes.
By the way, im using codeblocks.
it says
terminated called after throwing an instance of 'std:: out of range'. what(): basic_string::substr"
Code:
#include <iostream>
#include "clsInterest.h"
#include "clsDate.h"
using namespace std;
[Code] .....
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Oct 7, 2014
I want to count the number of bytes in a stream that contains nulls. I know I can't use strlen() for this, so is there an alternative?
Code:
char *bytes = "x11x12x13x00x12x13x14x15";
I want to be able to say there's 8 bytes here, not 3 as strlen gives me.
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Jul 10, 2014
I am currently developing a sync module using asp.net. I am getting data from an external database (mysql database) The problem is I am getting the error "Connection unexpectedly terminated" when filling the dataset.
Here's my code
string P_contact = "SELECT A.id, B.firstname, B.middlename, B.lastname FROM Accounts A, Contacts B WHERE A.id = B.id";
MySqlDataAdapter db_P_contact = new MySqlDataAdapter(P_contact, conn);
DataSet ds3 = new DataSet();
DataTable dt3 = new DataTable();
[Code] ....
I am getting the exception on this line of code:
db_P_contact.Fill(ds3, "P_contact");
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Oct 15, 2014
I got the core dump file so I know exactly which line it crashes. Below are some of the information:
OS: Red Hat Enterprise 5.8
Example snippets of when the crash happen:
Code:
typedef map<int, MyClassObj> MyMapT;
.
.
void someFunction( MyMapT& inMap )
{
for ( MyMapT::iterator iter=inMap.begin(); iter!=inMap.end(); ++iter )
{
.
.
}
}
Using GDB, I am able to find out that it crashes at the "++iter" as the .h file indicate it was a "++" operation for the iterator. Tracing up the stack frame it indicate it crash during the copy constructor of some "__rb_tree_node". I did some Googling and it seems that is some Red-Black tree implementation for the map. Honestly I do not quite understand the Red-Black tree and I believe STL map is a very very well tested container, so the problem must lie in my code so that I can look out for it.
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Dec 8, 2013
//PROGRAM - TRAIN RESERVATION
#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<dos.h>
#include<stdio.h>
#include<fstream.h>
#include<process.h>
[Code] .....
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Nov 13, 2013
This code snippet compiles and runs fine
Code:
#include <stdio.h>
int main(void) {
int i, a[i];
i=2;
for(int n=0; n<=i; n++)
a[n]=0;
[Code] .....
It prints out 3 "0", but when slightly changed
Code:
#include <stdio.h>
int main(void) {
int i, a[i];
i=200;
for(int n=0; n<=i; n++)
[Code] ....
It compiles fine but core dumps when run, how come? i'm using gcc version 4.4.7, and compiling like this
gcc -std=c99 test.c -o test
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May 19, 2013
I'va got a segmentation problem with creation of core dump for the following snippet of c code:
Code:
#include
#include
#include
"lezione.h" studente s1, s2; studenti s;
int main()
{ int codice; char* nome; char* cognome; int esami;
printf("Leggi uno studente da tastiera e memorizzalo in una struct
");
lettura_studente(s1, codice, nome, cognome, esami); return 0;
}
[code]....
In conclusion I'va two problems:
1) Program crash;
2) I can't read struct studente within parameter function. What are the problems?
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Apr 24, 2014
I am doing Histogram using pthreads and after long struggle on it.. finally it says 'Segmentation Fault (Core Dumped)'. I knew that error means something somewhere I am accessing to a wrong memory location.
Here is my code..
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
void Usage(char prog_name[]);
void Gen_data(void *p);
void Gen_bins(void *p);
int Which_bin(void *p);
void Print_histo(void *p);
[Code] ...
How to fix 'Segmentation Fault (Core Dumped)'?
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Mar 21, 2013
Here is the code, and I can get it to compile successfully, but when I run the program, I get a "segmentation fault (core dumped)" error. I am guessing it might be related to a buffer overflow but I cannot say for sure.
Code:
#include <stdio.h>
typedef struc {
int recordNo;
char name[20];
int qty;
float cost;
[Code] .....
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Jan 30, 2015
Error message is identifier expected and declaration terminated incorrectly.
//to define a class Employee
#include<iostream.h>
#include<stdio.h>
#include<string.h>
#include<conio.h>
class cEmp {
[code]....
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Apr 9, 2014
I'm writing a code using least mean square to fit a sample of data. The code is running till an iteration where it crashes and returns a segmentation fault core dumped
(the memory used is always closed to 2g mem=1805804kb,vmem=1926132kb, seems like the code can't go beyond) .
But If i try to fit at this last iteration the code works perfectly, so i think that I'm not trying to access a variable at a wrong index but it might be dynamic memory allocation ( a pointer to a matrix that I didn't free or something like that). The code is complex and calls too many routines, I'm combining cimg , c++ and old c. How can I track this error?
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Jun 25, 2013
Ok, so doing an assignment for a random number game where you guess and it says too high or too low until you get it right or run out of tries. Here is what I got so far:
Code:
//Cameron Taylor
#include<stdio.h>
#include<stdlib.h>
#include<time.h>
int main(){
srand(time(0));
int number = rand()%100+1;;
int guess, numberGuess;
[Code] ....
Getting "Segmentation fault (core dumped)" after inputting the first number, but it compiles correctly.
I later have to add "Do you want to play again (y/n)", so I will use this post to continue that later.
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Oct 9, 2013
Write a function that sorts a dictionary list alphabetically. Here's my code:
Code:
#include <stdio.h>
#include <stdbool.h>
struct entry
{
char word[15];
char definition[50];
[Code] ....
It's compiling ok, and displays the first call to the printf function from main. However, after this I get the 'Segmentation fault (core dumped)' at the terminal, presumably from the call to the dictionarySort function.
I had a little look around and found it is something to do with non-existent or not available memory addressing, I think? Even so, I can't figure out what is causing the issue in my code.
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Jul 2, 2014
I need to do an equivalent of kill -11 <pid>(which is in unix) in windows.
I need to crash a process with SEGV so that it would dump core in windows. Is there any tool by which we can do this . Also is there any sample code through which we can achieve this .
In windows we have taskill which only terminates a process , but is unable to send a signal like SEGV to the process upon which it would terminate and dump core .
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Nov 29, 2014
What happens if I make a server application using tcp protocol and then establish connection with a client application but the server crash and then the client send data. Will the data be lost or the system will continue trying to send it?
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Feb 15, 2015
I can't get the sum of two randomly generated numbers - I don't believe the program is adding wrong what I think might be happening is upon hitting enter its adding two new randomly generated numbers -
Code:
// Program functions as a math tutor
#include <cstdlib>
#include <iostream>
#include <ctime>
using namespace std;
int main() {
// Constants
const int Min_Value = 1;
[Code] .....
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May 9, 2012
I want to create an application that starts an application and passes input to that application. I know how to start a process using the classes in System.Diagnostics, but I don't know how to pass data to the process.
For example, and this is just an example, I would like to be able to automatically start an application that requires a username and password and automatically enter the username and password. Of course, that might open the door to security vulnerabilities, but that's not the point of the exercise.
How to implement the functionality I described? Is there a general way to go about doing this or does it depend entirely on the idiosyncrasies of the application in question?
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Mar 2, 2014
The program is supposed to be printing 21 different numbers that are randomly generated. Why am I getting the same number 21 times? Using dev C++ compiler.
Code:
/*prints random numbers between 1 - 99*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
[Code]......
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Jan 7, 2014
Identity matrices are in the following pattern:
template<typename T, uint32_t X, uint32_t Y>
class Matrix;
template<typename T, uint32_t X, uint32_t Y>
constexpr Matrix<T, X, Y> genIdentityMatrix() {
[Code] .....
Just make believe that there isn't a problem with the order of declarations / visibility in the above code.
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Feb 13, 2015
I am Currently working on a project and i wish to generate a ID that Contains Numbers letters and a dash for example
000000-A00 The First 0's can be any number but the last 2 needs to between 01 and 12 the letter needs be A B or C
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Feb 5, 2014
How do i define a new color that is randomly generated in allegro.
I have this code here in the header file.
Code:
//FILE : circledefs.h
//PURP : Define some constants for circle & background
#ifndef CIRCLEDEFS_H
#define CIRCLEDEFS_H
#define NUMCIRCLES 3
//The frames per second for the timer
#define FPS 60
[Code]...
And what i want to do here is learn how to create a random number gen. Now a few questions if you don't mind telling me is.
1 - can I create 3 random generators in this header file? Or do I have to do this in main.
2 - If I do have to do this in main can I still create this defined RANDOM as a color.
3 - I am sooooo new to this all i know is cin and cout code for C++, so will i need to know more about pointers to do this.
4 - for fun how hard would it be to make a game in allegro that uses music to define how the enemy moves and attacks. (yes that would be the final project.
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Feb 27, 2013
So we're having an assignment for school where you code a Roulette game which simulates you playing and you can choose how many times you "play" to check how many times you'd win (if that makes any sense, im german :P)
Anyways, the problem is how do i store all the random generated numbers in an array while NOT doing this (it's just a snip):
Code:
void randomzahl(void){
int i;
int zahl5[5];
int zahl10[10];
int zahl100[100];
int zahl1000[1000];
int zahl10000[10000];
if(runden == 5)
[Code]...
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