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1 // RUN: %clangxx -O0 -g %s -lutil -o %t && %run %t | FileCheck %s
2 // REQUIRES: stable-runtime
3 #include <assert.h>
4 #include <stdio.h>
5 #include <unistd.h>
6 #include <string.h>
7 #if __linux__
8 #include <pty.h>
9 #else
10 #include <util.h>
11 #endif
12 
13 int
main(int argc,char ** argv)14 main (int argc, char** argv)
15 {
16     int master;
17     int pid = forkpty(&master, NULL, NULL, NULL);
18 
19     if(pid == -1) {
20       fprintf(stderr, "forkpty failed\n");
21       return 1;
22     } else if (pid > 0) {
23       char buf[1024];
24       int res = read(master, buf, sizeof(buf));
25       write(1, buf, res);
26       write(master, "password\n", 9);
27       while ((res = read(master, buf, sizeof(buf))) > 0) write(1, buf, res);
28     } else {
29       char *s = getpass("prompt");
30       assert(strcmp(s, "password") == 0);
31       write(1, "done\n", 5);
32     }
33     return 0;
34 }
35 
36 // CHECK: prompt
37 // CHECK: done
38