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glibc/login/tst-grantpt.c
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#include <sys/types.h> | |
#include <sys/stat.h> | |
#include <fcntl.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <errno.h> | |
#include <string.h> | |
#include <unistd.h> | |
static int | |
test_ebadf (void) | |
{ | |
int fd, ret, err; | |
fd = posix_openpt (O_RDWR); | |
if (fd == -1) | |
{ | |
printf ("posix_openpt(O_RDWR) failed\nerrno %d (%s)\n", | |
errno, strerror (errno)); | |
/* We don't fail because of this; maybe the system does not have | |
SUS pseudo terminals. */ | |
return 0; | |
} | |
unlockpt (fd); | |
close (fd); | |
ret = grantpt (fd); | |
err = errno; | |
if (ret != -1 || err != EBADF) | |
{ | |
printf ("grantpt(): expected: return = %d, errno = %d\n", -1, EBADF); | |
printf (" got: return = %d, errno = %d\n", ret, err); | |
return 1; | |
} | |
return 0; | |
} | |
static int | |
test_einval (void) | |
{ | |
int fd, ret, err; | |
const char file[] = "./grantpt-einval"; | |
fd = open (file, O_RDWR | O_CREAT, 0600); | |
if (fd == -1) | |
{ | |
printf ("open(\"%s\", O_RDWR) failed\nerrno %d (%s)\n", | |
file, errno, strerror (errno)); | |
return 0; | |
} | |
unlink (file); | |
ret = grantpt (fd); | |
err = errno; | |
if (ret != -1 || err != EINVAL) | |
{ | |
printf ("grantpt(): expected: return = %d, errno = %d\n", -1, EINVAL); | |
printf (" got: return = %d, errno = %d\n", ret, err); | |
ret = 1; | |
} | |
else | |
ret = 0; | |
close (fd); | |
return ret; | |
} | |
static int | |
do_test (void) | |
{ | |
int result = 0; | |
result += test_ebadf (); | |
result += test_einval (); | |
return result; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |