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