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glibc/posix/bug-getopt3.c
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/* BZ 11040 */ | |
#include <getopt.h> | |
#include <unistd.h> | |
#include <stdio.h> | |
static const struct option opts[] = | |
{ | |
{ "alpha", no_argument, NULL, 'a' }, | |
{ "beta", required_argument, NULL, 'b' }, | |
{ NULL, 0, NULL, 0 } | |
}; | |
static int | |
one_test (const char *fmt, int argc, char *argv[], int n, int expected[n], | |
int out[n]) | |
{ | |
optind = 1; | |
int res = 0; | |
for (int i = 0; i < n; ++i) | |
{ | |
rewind (stderr); | |
if (ftruncate (fileno (stderr), 0) != 0) | |
{ | |
puts ("cannot truncate file"); | |
return 1; | |
} | |
int c = getopt_long (argc, argv, fmt, opts, NULL); | |
if (c != expected[i]) | |
{ | |
printf ("format '%s' test %d failed: expected '%c', got '%c'\n", | |
fmt, i, expected[i], c); | |
res = 1; | |
} | |
if ((ftell (stderr) != 0) != out[i]) | |
{ | |
printf ("format '%s' test %d failed: %sprinted to stderr\n", | |
fmt, i, out[i] ? "not " : ""); | |
res = 1; | |
} | |
} | |
return res; | |
} | |
static int | |
do_test (void) | |
{ | |
char *fname = tmpnam (NULL); | |
if (fname == NULL) | |
{ | |
puts ("cannot generate name for temporary file"); | |
return 1; | |
} | |
if (freopen (fname, "w+", stderr) == NULL) | |
{ | |
puts ("cannot redirect stderr"); | |
return 1; | |
} | |
remove (fname); | |
int ret = one_test ("ab:W;", 2, | |
(char *[2]) { (char *) "bug-getopt3", (char *) "-a;" }, | |
2, (int [2]) { 'a', '?' }, (int [2]) { 0, 1 }); | |
ret |= one_test ("ab:W;", 2, | |
(char *[2]) { (char *) "bug-getopt3", (char *) "-a:" }, 2, | |
(int [2]) { 'a', '?' }, (int [2]) { 0, 1 }); | |
if (ret == 0) | |
puts ("all OK"); | |
return ret; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |