C :: Why Program Keeps On Getting Segmentation Fault

Jul 21, 2013

I can't understand why my program keeps on getting "Segmentation Fault". The last time I checked (in UBUNTU) it was already working, now I'm testing it in Windows and I keep on getting "Segmentation Fault".

Code:

#include <stdio.h>
#include <string.h>
int main(){
char string[1500];
char word[100];
}

[code]....

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C++ :: Get A Segmentation Fault With Program

Jun 28, 2013

I can't work out why I get a Segmentation Fault with my C++ program.

Here is the code:

#include <iostream>
#include <string>
#include <stdexcept>

[Code].....

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C :: Program Received Signal - Segmentation Fault

Sep 29, 2014

gdb result is

Code:
Program received signal SIGSEGV, Segmentation fault.
isoc99_fscanf (stream=0x0, format=0x4014e0 "%u %u %u %u")
at isoc99_fscanf.c:30
30 isoc99_fscanf.c: No such file or directory. Code:

[Code].....

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C :: Program That Provides Number Of Utilities For Strings - Keep Getting Segmentation Fault

Nov 22, 2014

I'm working on a program that provides a number of utilities for strings, but I keep getting segmentation faults and I cannot tell why. strContains works fine, but basically the rest of my functions throw seg faults.

Code:
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include"string_utils.h"

int strContains(const char * str,const char * subStr) {

[Code] ....

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C :: When Run The Program Getting Segmentation Fault (core Dumped) Error

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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C :: Program That Writes Words To Text - Segmentation Fault 11

Nov 25, 2013

I'm trying to make a program that writes words to a text. The words are generated by a brute force program. I am getting a segmentation fault 11...

Code:
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

static const char alphabet[] =
"abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"1234567890";

[Code] .....

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C :: Calculate Product Of Two Matrices - Segmentation Fault In Program

Oct 29, 2014

New to C Programming, I have a problem with a little program I made that calculates the product of two matrices.

And here is the error I get:

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C/C++ :: Binary Search Tree Program - Segmentation Fault Error

Mar 21, 2014

I'm writing a binary search tree program and I got it to compile but as soon as I input something it returns a "segmentation fault error" . I suspect the issue with the code is withing my `add` function.

template<typename T>
void BinarySearchTree<T>::add(T value) {
if (m_root == nullptr) {
Node<T>* node = new Node<T>;
node->setValue(value);
m_root = node;

[Code] ....

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C :: Catch Segmentation Fault With GDB

Jan 23, 2013

I am working on a distributed application in C. My program gives segmentation fault and aborts execution. But, when I try to run it through gdb, it keeps on running although without giving a useful output. I realize that I do not put much information in my query. But, what general causes could generate this behaviour. I am interested to find the cause of segmentation fault.

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C :: Keep Getting Segmentation Fault Error

Oct 28, 2013

Writing a program to search a file and print out the occurrences of each letter in the alphabet.

Code:

#include <stdio.h>
char input[500];
int input_c[26];
int i;
char count=0;
}

[code]....

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C++ :: Using Gdb To Detect Segmentation Fault In Sh?

Jan 16, 2015

I am using scientific linux. In the directory user/project/Build, after I ran 'make' to compile and link all the cpp files,I had no problems. But then, when I went to directory user/run/run.sh, which runs the project binary in user/project/Build/bin/project, I get a segmentation fault error. In the directory user/run, I enter 'gdb' in the command prompt and get the message "*** No targets specified and no makefile found. Stop." What am I supposed to do to detect the segmentation fault?

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C++ :: Getting Segmentation Fault Using Maps?

Dec 7, 2014

GameMaster.h
#includes ...
class GameMaster
{

[Code].....

I get the segmentation fault whenever it tries to insert the first player.. however whenever i do this :

void MakeSquad(char type, string name, int coordX, int coordY, char dir, int squad)
{
GameSpace::MapSquadType MapOfSquads;​
MapOfSquads.insert(make_pair(name , Squad(squad)); // Squad( int ) just converts the int squad number to the Enum.
}

I do not get any errors or segmentation faults..

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C++ :: Segmentation Fault And Also Bad Initialization

Feb 25, 2012

Code:

#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

#define FILEPATH "./input.txt"
#define FILEPATH2 "./copy.txt"

[Code] ....

The problem is probably the fact that I'm using the variable s in the wrong way, but as I'm very bad at C and C++, at least so far anyway, I've no clue what's wrong. Is it my size that I passed in the marked method?

Also, how do I tell it, later, once this starts to work, to pass the file name of the file it'll copy to as the first param and the file it reads from to the pipe as the second param?

I'm supposed to be reading from a file, and as I was given some code, but it's probably in C and not C++, even if it is, I'm still not that great at C++ either, but anyway, I'm to have the program read from the file and write to the pipe and have the child read from the pipe and write to the output file.

FileCopy copy.txt input.txt

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C++ :: Get 15 Names And Then Hash Them - Segmentation Fault

May 3, 2013

The point of this code is to get 15 names and then hash them. After one name is entered I get a segmentation Fault and the program crashes.

Code:
//driver file
#include <iostream>
#include <vector>
#include <string>
using namespace std;

[Code] ....

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C++ :: Argv To String Segmentation Fault?

May 29, 2013

I have this piece of code that causes segmentation fault:

Code: .... check argv[2] exists ....
std::string* op_file;
...
std::cout << "argv[2] is: " << argv[2] << std::endl;
op_file = new std::string(argv[2]);
...

The result I am getting is:

Code: argv[2] is: somefile.txt

Segmentation fault (core dumped)

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C :: Segmentation Fault In Header File?

Apr 26, 2013

I have written a small program for a class to convert decimal to binary and the program itself works, however, I am storing the binary bits in a stack that is in a header file (which I have used successfully before). It appears to push the bits to the stack just fine, however, when I use the printStack function I get a segmentation fault.

Here is the stack.h header file:

Code:
#include <stdlib.h>
#include <stdio.h>
struct stackNode {
int data;
struct stackNode *nextPtr;

[Code].....

And here is the main program that does the conversion:

Code:
#include <stdio.h>
#include "stack.h"
int binary (int x);
int main() {
int choice = 0;
printf("

[Code].....

One other thing of note, whenever I try to modify the printStack function, that function then seems to not work at all.

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C :: Segmentation Fault At Free Call

Jul 7, 2014

Code:
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
/* h(a)=abcab,h(b)=acabcb,h(c)=acbcacb */
void h_i(int i, char *w, char *a, char *b, char *c)

[Code] .....

Above program increases string like this example.

Let say h(0)=01 and h(1)=10 and let say our first string is w=0 h(w)=01, h^2(w)=0110 h^3(w)=01101001..etc.

We have used h map, which is given in the program comment statement. Same thing, program is doing for three letters. These three letters we have passed as argument in h_i function. e.g. h_i(2,w,"a","d","g") function will apply the 3 letter map h(definition is given in commented form in program) 2 times on string w.

In program w=a; and three letters are a, d and g. /* h(a)=abcab,h(b)=acabcb,h(c)=acbcacb */ here b=d and c=g.

Above program gives core dump at free(w2) free(w1). if we remove these free statements then it gives correct answer. But, we want to free w1 and w2 in the above code. How can we make free both w1 and w2 strings?

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C :: Segmentation Fault Could Not Find After Debugging

Apr 15, 2013

I want to know what was wrong with my code when I submitted. It's a Traveling Salesperson Problem, and the code is complete for the most part. I just can't seem to find what's causing the segmentation fault even after attempting to debug with gdb. Something is supposed to be wrong with line 76, but I don't see how my arrays are messing up. I've looked through this code countless times, and I know I'm just missing something small. I just don't want to end up making whatever mistake I made on this again in the future.

Code:

#include <stdio.h>
#include <stdlib.h>
#define SIZE 20

[Code]....

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C :: Random Variable - Segmentation Fault

Feb 18, 2013

I am having trouble running the following code. I am getting a message segmentation fault (core dumped)

Code:
#include<stdio.h>
#include<ctype.h>
#include<time.h>

main() {

int iuser;
int irand;
srand(time(NULL));

[Code] .....

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C :: Memcpy Resulting In Segmentation Fault

Nov 6, 2013

Despite seeing the correct data in gdb when I

Code:
p *(DownloadFileChunkResponse.DownloadFileChunkResult)->__ptr@100

The following C code gives me a SEG FAULT

Code:
calloc(NewMediaChunk, ChunkSize);
memcpy((void *)NewMediaChunk,
*(DownloadFileChunkResponse.DownloadFileChunkResult)->__ptr, ChunkSize);

How I got this wrong. BTW The data I am attempting to memcpy is the frontend of an MP4 file containing a number of NULLS.

Code: 00000030ftypmp4200000000mp42mp410000 dfree

BTW ChunkSize is 64000

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C :: Segmentation Fault For Larger Values

Apr 11, 2013

On compilation the following program does not give any error and when i run this program then sometimes it gives the segmentation fault. Specially with the larger values. I made sure that the values i inputted are not crossing any range of data types i used. I cannot get what is making my code to give segmentation fault error.

Code:
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main()

[Code] ....

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C :: Sscanf Causing Segmentation Fault

May 30, 2014

I have a problem in my code and after hours of looking I really cannot find out what is the problem.I use scanf to to parse lines of a file, let me copy only the important part:

Code:

/*File read...everything is fine*/
int seq_1, seq_i2;
int len;
while(fgets(&line[strlen(line)], line_length, file)!= NULL) {
}

[code]....

if (num_sc ==4) //the wanted format, do something So I am allocating all variables, and giving to sscanf pointers, so I really don't get where the segmentation fault appears.I checked with the debugger, the first line of the file is read, but at the second it crashes at the line of sscanf! The two lines don't have the format I want in sscanf but therefore I check if this number is 4 and then do other stuff to the data...

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C :: This Account ID Does Not Exist - Segmentation Fault

Apr 11, 2013

It is suppose to display the message "This Account ID does not exist" but why do I get "segmentation fault"??I was able to compile and run the program so it shouldn't be a problem of the compiler.

Code:

#include <stdio.h>#include <string.h>
struct Account {
char* Account_ID;
char* Account_Type;
char* AccountOwner_FirstName;
char* AccountOwner_LastName;
float* Balance;

[Code]....

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C :: System Will Show Segmentation Fault

Mar 11, 2013

i'm writing a C code, can it can be compiled, however everytime I run this program, after I typed in the number the system will show Segmentation fault (core dumped).

Code is here
C code - 278 lines - codepad

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C :: Segmentation Fault -> Main Not Initializing

Mar 14, 2013

This program is compiling just fine but is not running. Even, Main is not initializing, Here is my code

Code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int pow2(int n) {
printf("POW2");
int pow = 1;

[Code] ....

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C :: Segmentation Fault When Accessing Array

Aug 27, 2014

Write a program that reads in the names and the ages of ten people. Store these data in two arrays (make sure that the entered names are not longer than the array size you choose). Then produce a table of ten lines, with each line giving the name and age of a person along with the (positive or negative) deviation of that person's age from the average age. The code I wrote to fill in the arrays looks as follows

Code:
#include<stdlib.h>
#include<stdio.h>
int main()
{ // begin main()
// array length

[Code]....

When I compile it, it gives me warnings that few of the variables I declared aren't used, but that is not affecting the program at all. When I run the program, it allows me to pass the names and ages into the arrays, but when it comes to displaying them, I'm getting a 'Segmentation fault'. I used very similar code in Java to write the program, and it worked fine so what is the problem with C then?

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