gcc/testsuite/c-c++-common/analyzer/pr103217-5.c

extern char *strdup (const char *__s)
  __attribute__ ((__nothrow__ , __leaf__, __malloc__, __nonnull__ (1)));

extern void abort (void)
  __attribute__ ((__nothrow__ , __leaf__, __noreturn__));

extern int getopt (int ___argc, char *const *___argv, const char *__shortopts)
  __attribute__ ((__nothrow__ , __leaf__, __nonnull__ (2, 3)));
extern char *optarg;

extern void free (void *__ptr)
  __attribute__ ((__nothrow__ , __leaf__));

struct state {
  const char *confpath;
  const char *host;
  const char *port;
  const char *state_dir_prefix;
};

static inline char *xstrdup(const char *s) {
        char *val = strdup(s);
        if (!val)
                abort();
        return val;
}

int config_init(struct state *config);

int main(int argc, char *argv[]) {
  struct state state;

  config_init(&state);

  switch (getopt(argc, argv, "H:p:")) {
  case 'H':
    state.host = xstrdup(optarg);
    break;
  case 'p':
    state.port = xstrdup(optarg);
    break;
  }

  free((void*)state.host);
  free((void*)state.port);
  return 0;
}