bd25564e1e
If provide with an ambiguous long option we now show all the possibilities.
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
static void do_prepare (void);
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#define PREPARE(argc, argv) do_prepare ()
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static int do_test (void);
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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static char *fname;
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static void
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do_prepare (void)
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{
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if (create_temp_file ("tst-getopt_long1", &fname) < 0)
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{
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printf ("cannot create temp file: %m\n");
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exit (1);
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}
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}
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static const struct option opts[] =
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{
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{ "one", no_argument, NULL, '1' },
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{ "two", no_argument, NULL, '2' },
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{ "one-one", no_argument, NULL, '3' },
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{ "four", no_argument, NULL, '4' },
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{ "onto", no_argument, NULL, '5' },
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{ NULL, 0, NULL, 0 }
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};
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static int
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do_test (void)
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{
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if (freopen (fname, "w+", stderr) == NULL)
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{
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printf ("freopen failed: %m\n");
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return 1;
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}
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char *argv[] = { "program", "--on" };
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int argc = 2;
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int c = getopt_long (argc, argv, "12345", opts, NULL);
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printf ("return value: %c\n", c);
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rewind (stderr);
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char *line = NULL;
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size_t len = 0;
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if (getline (&line, &len, stderr) < 0)
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{
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printf ("cannot read stderr redirect: %m\n");
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return 1;
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}
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printf ("message = \"%s\"\n", line);
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static const char expected[] = "\
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program: option '--on' is ambiguous; possibilities: '--one' '--onto' '--one-one'\n";
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return c != '?' || strcmp (line, expected) != 0;
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}
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