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Questions - segmentation-fault

Cannot use both Argv's, cannot run Move twice segmentation fault

Ive been trying various ways to get my program to work. regardless of weather i try argv1 or argv2 first, the second one will segmentation fault. even if i try to print SOURCE2DEFINE or argv[2] AFTER ...
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PerfectChaos117

arrays

c

file

segmentation-fault

char

Votes: 0

Answers: 1

Latest Answer

Your move method changes dest (which is really argv[i]), and overwrites the memory after it: strcat(dest, fileGetName(source));. This destroys the other parameter and probably some other things. Don't...
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Aganju

Why does a segmentation fault not occur?

I am expecting a seg-fault to occurr after the execution of the code below, but it doesn't. Could someone tell me why? int main(){ float *arr; cout << arr[0] << "\n" --&g...
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San Kim

c++

segmentation-fault

Votes: 0

Answers: 2

Latest Answer

Since the pointer arr is not initialized, it probably has the value of whatever value that memory address had when it was previously used. In your case, the code that used that memory address previous...
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Andreas Wenzel

How to create a program that crashes with a segfault, but without core dump

I am currently writing in C a UNIX-like shell, and in order to test my shell, I need to create a program that creates a segmentation fault, but without Core Dumped being print. I already wrote a progr...
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qdesmettre

c

crash

segmentation-fault

coredump

Votes: 0

Answers: 1

Latest Answer

You could mess with signal.h ` #include <signal.h> void sig_func(int sig) { exit(1); } int main (void) { signal(SIGSEGV, sig_func); // sets a new signal function for SIGSEGV ra...
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user18256935

Use MPI_Type_create_subarray to move column

I have a problem with sending a single column of a 2D array with MPI in C++. I found MPI_Type_create_subarray and it seems to work fine, except for the case where I want to receive the values in the l...
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eisenbahnfan

c++

segmentation-fault

mpi

Votes: 0

Answers: 0

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