How to pass parameter n to printf(“%nd”, some_int);

Question

We all know in C-based languages, printf(\"%11d\", some_int); means right align within an 11 character field, but what if I want to replace this constant 1

Answer 1

One way of doing this is to use an snprintf-equivalent on a character array buffer, in order to create your printf format string. (Be sure to check for buffer overflows, of course.)