1 static void do_prepare (void);
2 #define PREPARE(argc, argv) do_prepare ()
3 static int do_test (void);
4 #define TEST_FUNCTION do_test ()
5 #include "../test-skeleton.c"
6 
7 
8 static char *fname;
9 
10 
11 static void
do_prepare(void)12 do_prepare (void)
13 {
14   if (create_temp_file ("tst-getopt_long1", &fname) < 0)
15     {
16       printf ("cannot create temp file: %m\n");
17       exit (1);
18     }
19 }
20 
21 
22 static const struct option opts[] =
23   {
24     { "one", no_argument, NULL, '1' },
25     { "two", no_argument, NULL, '2' },
26     { "one-one", no_argument, NULL, '3' },
27     { "four", no_argument, NULL, '4' },
28     { "onto", no_argument, NULL, '5' },
29     { NULL, 0, NULL, 0 }
30   };
31 
32 
33 static int
do_test(void)34 do_test (void)
35 {
36   if (freopen (fname, "w+", stderr) == NULL)
37     {
38       printf ("freopen failed: %m\n");
39       return 1;
40     }
41 
42   char *argv[] = { (char *) "program", (char *) "--on" };
43   int argc = 2;
44 
45   int c = getopt_long (argc, argv, "12345", opts, NULL);
46   printf ("return value: %c\n", c);
47 
48   rewind (stderr);
49   char *line = NULL;
50   size_t len = 0;
51   if (getline (&line, &len, stderr) < 0)
52     {
53       printf ("cannot read stderr redirect: %m\n");
54       return 1;
55     }
56   printf ("message = \"%s\"\n", line);
57 
58   static const char expected[] = "\
59 program: option '--on' is ambiguous; possibilities: '--one' '--one-one' '--onto'\n";
60 
61   return c != '?' || strcmp (line, expected) != 0;
62 }
63