run_with_arguments.cpp

#include <functional>
#include <iostream>
#include <string>
#include <vector>
#include <string.h>
using namespace std;

int f(int argc, char* argv[]) {
  for(int i=0;i<argc;++i) cout << argv[i] << endl;
  return 0;
}

int main(int argc, char** argv) {
  auto run_with_args = [](const std::function<int(int, char*[])> func, const vector<string>& args_in) {
    char** args = new char*[args_in.size()];
    for(int i=0;i<args_in.size();++i) {
      args[i] = new char[args_in[i].size() + 1];
      strcpy(args[i], args_in[i].data());
    }
    bool succeeded = (func(args_in.size(), args) == 0);

    for(int i=0;i<args_in.size();++i) delete[] args[i];
    delete[] args;
    
    return succeeded;
  };
  
  run_with_args(f, vector<string>{"a", "b", "c"});
  run_with_args(f, vector<string>{"axxxxx", "x--b", "---c", "35"});
  return 0;
}