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Diffstat (limited to 'sysdeps/unix/sysv/linux/getpt.c')
-rw-r--r--sysdeps/unix/sysv/linux/getpt.c67
1 files changed, 3 insertions, 64 deletions
diff --git a/sysdeps/unix/sysv/linux/getpt.c b/sysdeps/unix/sysv/linux/getpt.c
index 1803b232c9..3cc745e11a 100644
--- a/sysdeps/unix/sysv/linux/getpt.c
+++ b/sysdeps/unix/sysv/linux/getpt.c
@@ -16,69 +16,18 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
-#include <errno.h>
#include <fcntl.h>
-#include <stdlib.h>
#include <unistd.h>
#include <paths.h>
-#include <sys/statfs.h>
-
-#include "linux_fsinfo.h"
/* Path to the master pseudo terminal cloning device. */
#define _PATH_DEVPTMX _PATH_DEV "ptmx"
-/* Directory containing the UNIX98 pseudo terminals. */
-#define _PATH_DEVPTS _PATH_DEV "pts"
-
-/* Prototype for function that opens BSD-style master pseudo-terminals. */
-extern int __bsd_getpt (void) attribute_hidden;
/* Open a master pseudo terminal and return its file descriptor. */
int
__posix_openpt (int oflag)
{
- static int have_no_dev_ptmx;
- int fd;
-
- if (!have_no_dev_ptmx)
- {
- fd = __open (_PATH_DEVPTMX, oflag);
- if (fd != -1)
- {
- struct statfs fsbuf;
- static int devpts_mounted;
-
- /* Check that the /dev/pts filesystem is mounted
- or if /dev is a devfs filesystem (this implies /dev/pts). */
- if (devpts_mounted
- || (__statfs (_PATH_DEVPTS, &fsbuf) == 0
- && fsbuf.f_type == DEVPTS_SUPER_MAGIC)
- || (__statfs (_PATH_DEV, &fsbuf) == 0
- && fsbuf.f_type == DEVFS_SUPER_MAGIC))
- {
- /* Everything is ok. */
- devpts_mounted = 1;
- return fd;
- }
-
- /* If /dev/pts is not mounted then the UNIX98 pseudo terminals
- are not usable. */
- __close (fd);
- have_no_dev_ptmx = 1;
- __set_errno (ENOENT);
- }
- else
- {
- if (errno == ENOENT || errno == ENODEV)
- have_no_dev_ptmx = 1;
- else
- return -1;
- }
- }
- else
- __set_errno (ENOENT);
-
- return -1;
+ return __open (_PATH_DEVPTMX, oflag);
}
weak_alias (__posix_openpt, posix_openpt)
@@ -86,16 +35,6 @@ weak_alias (__posix_openpt, posix_openpt)
int
__getpt (void)
{
- int fd = __posix_openpt (O_RDWR);
- if (fd == -1)
- fd = __bsd_getpt ();
- return fd;
+ return __posix_openpt (O_RDWR);
}
-
-
-#define PTYNAME1 "pqrstuvwxyzabcde";
-#define PTYNAME2 "0123456789abcdef";
-
-#define __getpt __bsd_getpt
-#define HAVE_POSIX_OPENPT
-#include <sysdeps/unix/bsd/getpt.c>
+weak_alias (__getpt, getpt)