Getting The Size of a C++ Function

Question

I was reading this question because I\'m trying to find the size of a function in a C++ program, It is hinted at that there may be a way that is platform specific. My target

Answer 1

I think it will work on windows programs created with msvc, as for branches the 'ret' seems to always come at the end (even if there are branches that return early it does a jne to go the end). However you will need some kind of disassembler library to figure the current opcode length as they are variable length for x86. If you don't do this you'll run into false positives.

I would not be surprised if there are cases this doesn't catch.