[Solved] c++ fgets Segmentation fault (core dumped)

It turns out that fd/fopen was not getting initialized on line 396 The modified code below allowed my program to run: Here is the code: 393: FILE *fd; 394: char fd_name[512]; 395: strcpy(fd_name,npb_list[freq][app][thread].file_name); 396: fd = fopen( fd_name, “r”); // <<- change made to this line 397: cout << “fd_name = ” << fd_name << … Read more

[Solved] How fgets reads line after line from a file?

EDIT: added extra explanation as @KlasLindbäck pointed out that my answer wasn’t entirely correct The File is a struct that contains a field “fd” which is an integer that identifies the OS file descriptor of this file, this file descriptor can be used to retrieve the current location in the file you’re reading. If you … Read more

[Solved] How fgets reads line after line from a file?

Introduction The fgets() function is a powerful tool for reading line-by-line from a file in C programming. It is a standard library function that reads a line from the specified stream and stores it into the string pointed to by the user. This function is useful for reading large files, as it allows the user … Read more

[Solved] Stuck in infinite fgets loop

If there are more than one statements that you want to write in a loop or if statement, then you must use braces {} to define which statements come in the loop. In your code, only the printf(“Insert a non negative number: “); statement is in the loop, and nothing is changing the input‘s value … Read more