C++ Make a file of a specific size

Question

Here is my current problem: I am trying to create a file of x MB in C++. The user will enter in the file name then enter in a number between 5 and 10 for the size of the fil

Answer 1

To make a 2MB file you have to seek to 2*1024*1024 and write 0 bytes. fput()ting empty string will do no good no matter how many time. And the string is empty, because strings a 0-terminated.