Hello,

I am having trouble in using the data member of class 1 in the member function of another class 2. Following is my code.

class a {
public:
a();
~a();

...

Hi,

I have two directories and each directory has a *.cpp and *.h and a Makefile. I am also creating an instance of the class of program1(in one directory) in program2(in other directory). I have...

Hi,

I am trying to replace the old_string with the new_string using sed.
But i am unable to do it using the following script.

#!/bin/sh

old_string="p cnf 10 20"
new_string="p cnf 98 99"

Can someone help me with possible cause of errors.

sorry for the incorrect code. I have corrected the code.

Hi,

Sorry that is a typo. it is operation2

Thanks

Hello,

I am getting the follwoing error in my program:

*** glibc detected *** free(): invalid pointer

The program is as follows.

int main()
{

Hi,

I have a simple c++ program. I am using the API's of the utility in my C++ program. For that i am compiling the program with the option:

g++ prog1.cpp -I../include -L../lib

However i am...

Hi,

I have a c++ program which uses the api's of a utlitiy. As per the document I have to include the path of binaries for the utility in my code. I am not sure why that is required and how to...

My code has 3000 lines and i do not know in which function the error is..so i did not paste the code.

Hi,

I wish to know that the cause of the following error when i run the program :
a) Is memory leak in the program
B) The system on which i am running the program has insufficient memory.
...

oh no..i did not mean that....sorry for the confusion. i have written the complete code and compiled it and ran it on many benchmark...in fact the error i get is for bigger benhmarks only.....
...

i am using g++ compiler. I am sorry about the missing variables and functions. The code is so big that would not be possible to post the complete code. since the backtrace gave error in this...

Following is the class description:

class circuit
{
// circuit information
int **output; // output of the gate
int *flag; // flag for every gate
int *count_gate; ...

Is there something wrong in my code.

Hi,

Following is my code.

void circuit::more_illegal(int maxno2, char *fname, int CONST_INITIAL_STATES)
{
int kf=1;
std::string ans;
int prev_kf = CONST_INITIAL_STATES+1;
more_states...

Hi,

I am getting the following error in my code.

malloc: *** error for object 0x3b0fe80: double free
*** set a breakpoint in malloc_error_break to debug

When i debug it and do a backtrace...

Hi,

i wish to know when i do the following code how it is taking care of "EOF" and "\n".

#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

Thanks for the help...

Thanks...No there is only one. could u please tell me what is the purpose of :

"cin.get()"

I am using fscanf because i need numbers with positive and negative sign I only know getline which returns string in c++.

I am not sure how can i do in c++. I need the numbers so that i can...

Hi,

Thanks for the help. i have one doubt... I am doing this now. I am not sure I should equate fscanf to "NULL" or "0". i believe that NULL stands for new line character.

FILE...

Hi,

I have to use fscanf to read the numbers in a line. The line is in the file "FileName1" and may or may not have EOF.
I am using the following code and it is stuck in an infinite loop.

...

hi,

i am not sure i understand ur question. The file has 2000 lines and getline gives a segmentation fault after reading line number 891

Thanks

Hi,

Following is the function which is giving me a segmentation fault.
I do not know what is wrong in this code. I am counting the number of lines in the file.


char...

Hi,

i wish to know the difference between the following two code?

ifstream fin(fname,ios::in);
vector<string> temp;

while(getline(fin, line)
{
temp.push_back(line);

The file has 1500 lines and when it reads the line number 891 in the file it gives me this error:

"Program received signal SIGSEGV, Segmentation fault.
0xb759cb36 in...

I tried using vector instead of deque and i am clearing the vector using clear() method and then resizing it to 0 using the resize() method. But I am still getting the error. Is there any other thing...

Hi,

I am getting "Segmentation fault" error in line number in the following function.


deque <string> text;
deque <string> text_1;

int circuit::writetofile(int maxno,char *fname)
{

How can i check the buffer overflow or reading from some memory location outside the segment. I will try to post a small code....

Hi,

I am getting the error "Segmentation fault" when i run my program. Then when i debug the code to find the cause of the error i get the following error messages. I do not know what these error...

Hi,

How can i delete the file in the middle of the program in C++

Thanks

Hi,

I wish to remove the extra unwanted characters in the file name.

f1::f1(char *filename1)
{
char file_txt[40];
strcpy(file_txt,filename1);
strcat(file_txt,".txt");

Hi,

I am getting the following error while compiling the code on linux machine.

"aggregate value used where an integer was expected"

I am getting this error on a simple for loop. I do not...

Thanks.. the error is resolved......the suggestions are really helpful...

Hi,

I am getting the following error when I am trying to initialize a 2 dimensional vector with 0's.
I am not to figure out the reason. Any help is appreciated.


std::vector<int>...

Hi,

I am comparing two file to find if they have common strings. My program is not doing that and I cannot figure out the reason. Any help is appreciated. Following is my code:

int main()
{...

Hi,

I am trying to compare two strings. When i enter two arguments on the command line 12 and 100, the flag1 should be set to 1 because
(argv[1] =) "100" > (junk2 = )"13". But this is not...

Hi,

I have tried this also:

while((junk.compare(junk1)) != 0)
{
inFile >> junk;
}
Still getting a segmentation fault. Am i using compare correctly now?

Hi,

I am getting a segmentation fault at the following line in the code. I am reading a file using ifstream. The file contains some initial junk data followed by useful data. I wish to read and...