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authorUlrich Drepper <drepper@redhat.com>2009-06-16 07:59:09 -0700
committerUlrich Drepper <drepper@redhat.com>2009-06-16 07:59:09 -0700
commitb34de9ea811dff5e58a897ff5efead4d2dd38d55 (patch)
tree0bf3524e251832c1ffb2c443813f1cde9d65109e
parenteae3208e249edda25548fa7680d01193d7515e0c (diff)
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Fold Linux-specific grantpt code into Unix version.
-rw-r--r--ChangeLog6
-rw-r--r--sysdeps/unix/grantpt.c22
-rw-r--r--sysdeps/unix/sysv/linux/grantpt.c88
3 files changed, 25 insertions, 91 deletions
diff --git a/ChangeLog b/ChangeLog
index 1ccf028..60f7b5c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-06-16 Ulrich Drepper <drepper@redhat.com>
+
+ * sysdeps/unix/sysv/linux/grantpt.c: Remove file after folding changes
+ into ...
+ * sysdeps/unix/grantpt.c: ...here.
+
2009-06-15 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/grantpt.c (grantpt): Only call chown and
diff --git a/sysdeps/unix/grantpt.c b/sysdeps/unix/grantpt.c
index bdedbac..ff28179 100644
--- a/sysdeps/unix/grantpt.c
+++ b/sysdeps/unix/grantpt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2001, 2002, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
@@ -115,8 +115,24 @@ grantpt (int fd)
gid_t gid;
pid_t pid;
- if (pts_name (fd, &buf, sizeof (_buf)))
- return -1;
+ if (__builtin_expect (pts_name (fd, &buf, sizeof (_buf)), 0))
+ {
+ int save_errno = errno;
+
+ /* Check, if the file descriptor is valid. pts_name returns the
+ wrong errno number, so we cannot use that. */
+ if (__libc_fcntl (fd, F_GETFD) == -1 && errno == EBADF)
+ return -1;
+
+ /* If the filedescriptor is no TTY, grantpt has to set errno
+ to EINVAL. */
+ if (save_errno == ENOTTY)
+ __set_errno (EINVAL);
+ else
+ __set_errno (save_errno);
+
+ return -1;
+ }
if (__xstat64 (_STAT_VER, buf, &st) < 0)
goto cleanup;
diff --git a/sysdeps/unix/sysv/linux/grantpt.c b/sysdeps/unix/sysv/linux/grantpt.c
deleted file mode 100644
index c858f89..0000000
--- a/sysdeps/unix/sysv/linux/grantpt.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/* Copyright (C) 1998, 1999, 2001, 2002, 2009 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <stdlib.h>
-#include <sys/statfs.h>
-
-#include "linux_fsinfo.h"
-
-/* Prototype for function that changes ownership and access permission
- for slave pseudo terminals that do not live on a `devpts'
- filesystem. */
-static int __unix_grantpt (int fd);
-
-/* Prototype for private function that gets the name of the slave
- pseudo terminal in a safe way. */
-static int pts_name (int fd, char **pts, size_t buf_len);
-
-/* Change the ownership and access permission of the slave pseudo
- terminal associated with the master pseudo terminal specified
- by FD. */
-int
-grantpt (int fd)
-{
- struct statfs fsbuf;
-#ifdef PATH_MAX
- char _buf[PATH_MAX];
-#else
- char _buf[512];
-#endif
- char *buf = _buf;
-
- if (__builtin_expect (pts_name (fd, &buf, sizeof (_buf)), 0))
- {
- int save_errno = errno;
-
- /* Check, if the file descriptor is valid. pts_name returns the
- wrong errno number, so we cannot use that. */
- if (__libc_fcntl (fd, F_GETFD) == -1 && errno == EBADF)
- return -1;
-
- /* If the filedescriptor is no TTY, grantpt has to set errno
- to EINVAL. */
- if (save_errno == ENOTTY)
- __set_errno (EINVAL);
- else
- __set_errno (save_errno);
-
- return -1;
- }
-
- if (__statfs (buf, &fsbuf) < 0)
- return -1;
-
- /* If the slave pseudo terminal lives on a `devpts' filesystem, the
- ownership is already set and the access permission might already
- be set. */
- if (fsbuf.f_type == DEVPTS_SUPER_MAGIC || fsbuf.f_type == DEVFS_SUPER_MAGIC)
- {
- struct stat64 st;
-
- if (fstat (fd, &st) == 0
- && (st.st_mode & ACCESSPERMS) == (S_IRUSR|S_IWUSR|S_IWGRP))
- return 0;
- }
-
- return __unix_grantpt (fd);
-}
-
-#define grantpt static __unix_grantpt
-#include <sysdeps/unix/grantpt.c>