1 /* BZ 11040 */
2 #include <getopt.h>
3 #include <unistd.h>
4 #include <stdio.h>
5 #include <stdlib.h>
6
7 static const struct option opts[] =
8 {
9 { "alpha", no_argument, NULL, 'a' },
10 { "beta", required_argument, NULL, 'b' },
11 { NULL, 0, NULL, 0 }
12 };
13
14 static int
one_test(const char * fmt,int argc,char * argv[],int n,int expected[n],int out[n])15 one_test (const char *fmt, int argc, char *argv[], int n, int expected[n],
16 int out[n])
17 {
18 optind = 1;
19
20 int res = 0;
21 for (int i = 0; i < n; ++i)
22 {
23 rewind (stderr);
24 if (ftruncate (fileno (stderr), 0) != 0)
25 {
26 puts ("cannot truncate file");
27 return 1;
28 }
29
30 int c = getopt_long (argc, argv, fmt, opts, NULL);
31 if (c != expected[i])
32 {
33 printf ("format '%s' test %d failed: expected '%c', got '%c'\n",
34 fmt, i, expected[i], c);
35 res = 1;
36 }
37 if ((ftell (stderr) != 0) != out[i])
38 {
39 printf ("format '%s' test %d failed: %sprinted to stderr\n",
40 fmt, i, out[i] ? "not " : "");
41 res = 1;
42 }
43 }
44
45 return res;
46 }
47
48
49 static int
do_test(void)50 do_test (void)
51 {
52 char fname[] = "/tmp/bug-getopt3.XXXXXX";
53 int fd = mkstemp (fname);
54 if (fd == -1)
55 {
56 printf ("mkstemp failed: %m\n");
57 return 1;
58 }
59 close (fd);
60
61 if (freopen (fname, "w+", stderr) == NULL)
62 {
63 puts ("cannot redirect stderr");
64 return 1;
65 }
66
67 remove (fname);
68
69 int ret = one_test ("ab:W;", 2,
70 (char *[2]) { (char *) "bug-getopt3", (char *) "-a;" },
71 2, (int [2]) { 'a', '?' }, (int [2]) { 0, 1 });
72
73 ret |= one_test ("ab:W;", 2,
74 (char *[2]) { (char *) "bug-getopt3", (char *) "-a:" }, 2,
75 (int [2]) { 'a', '?' }, (int [2]) { 0, 1 });
76
77 if (ret == 0)
78 puts ("all OK");
79
80 return ret;
81 }
82
83 #define TEST_FUNCTION do_test ()
84 #include "../test-skeleton.c"
85