Segmentation fault depending on string length?

Question

I am writing a program that will read lines from an infile using getline into strings, convert the strings to c-strings containing the first m nonwhitespace characters of the st

Answer 1

map is a VLA, allocated on the stack, so I'd guess that your problem is that you get a stack overflow. gdb points a the construction of input because that's the first thing that gets constructed on this overflowed stack.