Segmentation Fault When Using `malloc` and Array of Structs in C - guide Needed
I'm sure I'm missing something obvious here, but I'm trying to configure I need some guidance on I'm learning this framework and I'm working with a segmentation fault when trying to allocate memory for an array of structs using `malloc`... My goal is to create an array of `Person` structs, and I'm setting the array size dynamically based on user input. However, when I try to access the elements of this array, I get a segmentation fault. Here’s the relevant part of my code: ```c #include <stdio.h> #include <stdlib.h> typedef struct { char name[50]; int age; } Person; int main() { int n; printf("Enter number of people: "); scanf("%d", &n); Person *people = malloc(n * sizeof(Person)); if (people == NULL) { fprintf(stderr, "Memory allocation failed!\n"); return 1; } for (int i = 0; i < n; i++) { printf("Enter name for person %d: ", i + 1); scanf("%49s", people[i].name); printf("Enter age for person %d: ", i + 1); scanf("%d", &people[i].age); } // Trying to print the names and ages for (int i = 0; i < n; i++) { printf("Person %d: %s, Age: %d\n", i + 1, people[i].name, people[i].age); } free(people); return 0; } ``` I've tried manually checking the value of `n` after reading it from the user, and it seems correct. However, when I run the program and provide an input of `3`, it works as expected, but when I input a higher number like `10`, I get the segmentation fault when trying to access `people[i]`. I suspect it might have something to do with how `malloc` handles memory in different environments or if there's an scenario with stack overflow. I'm compiling this code with GCC version 11.2.0 on Ubuntu 20.04. Any insights on why I might be working with this scenario and how to resolve it would be greatly appreciated! I recently upgraded to C 3.9. Has anyone dealt with something similar? I'm working on a CLI tool that needs to handle this. Any pointers in the right direction? What am I doing wrong?