- if (fork() == 0) {
- if ((pid2 = fork()) == 0) {
- execve(cond->string_value, argv, environ);
- }
+ switch ((pid = fork())) {
+ case 0:
+ execve(cond->string_value, argv, environ);
+ perror("execve");
+ exit(1);
+ case -1:
+ break;
+ default:
+ waitpid(pid, &status, 0);
+ if (0 == WEXITSTATUS(status))
+ istrue = 1;