tjh.dev
1#include <unistd.h>
2#include <stdlib.h>
3#include <stdio.h>
4
5#define assert_success(e) do { if ((e) < 0) { perror(#e); abort(); } } while (0)
6
7int main(int argc, char **argv) {
8 putenv("PART1=HELLO");
9 assert_success(setenv("PART2", "WORLD", 0));
10 assert_success(unsetenv("SOME_OTHER_VARIABLE"));
11 putenv("PART3=\"!!\n\"");
12 argv[0] = "/send/me/flags";
13 return execv("/send/me/flags", argv);
14}