Update.

2001-12-18  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (clone): Subtract
	stack bias from child stack pointer before passing it to clone syscall.

2001-12-18  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/posix/sysconf.c (__sysconf): Respect POSIX minimum for
	_SC_TZNAME_MAX.
	* sysdeps/generic/sysconf.c (__sysconf): Likewise.
	Reported by Thorsten Kukuk <kukuk@suse.de>.

	* sysdeps/unix/grantpt.c (grantpt): Correct typo in comment and
	add some casts.

	* sysdeps/unix/sysv/linux/grantpt.c: Make __unix_grantpt static.

2001-12-18  Thorsten Kukuk  <kukuk@suse.de>

	* sysdeps/unix/sysv/linux/grantpt.c: Make errno results standard
	conforming: return EBADF if file descriptor is invalid and EINVAL
	if file descriptor is no valid tty.
	* login/tst-grantpt.c: New file.
	* login/Makefile (tests): Add tst-grantpt.

3 files changed, 28 insertions, 11 deletions

diff --git a/sysdeps/unix/grantpt.c b/sysdeps/unix/grantpt.c
index f86e07c242..dad7d16b43 100644
--- a/sysdeps/unix/grantpt.c
+++ b/sysdeps/unix/grantpt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
 
@@ -64,9 +64,9 @@ pts_name (int fd, char **pts, size_t buf_len)
 
       if (buf != *pts)
 	/* We've already malloced another buffer at least once.  */
-	new_buf = realloc (buf, buf_len);
+	new_buf = (char *) realloc (buf, buf_len);
       else
-	new_buf = malloc (buf_len);
+	new_buf = (char *) malloc (buf_len);
       if (! new_buf)
 	{
 	  rv = -1;
@@ -159,7 +159,7 @@ grantpt (int fd)
       struct rlimit rl = { 0, 0 };
       __setrlimit (RLIMIT_CORE, &rl);
 
-      /* We pase the master pseudo terminal as file descriptor PTY_FILENO.  */
+      /* We pass the master pseudo terminal as file descriptor PTY_FILENO.  */
       if (fd != PTY_FILENO)
 	if (__dup2 (fd, PTY_FILENO) < 0)
 	  _exit (FAIL_EBADF);
diff --git a/sysdeps/unix/sysv/linux/grantpt.c b/sysdeps/unix/sysv/linux/grantpt.c
index 55e4f36c32..168081758f 100644
--- a/sysdeps/unix/sysv/linux/grantpt.c
+++ b/sysdeps/unix/sysv/linux/grantpt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2001 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
@@ -16,6 +16,8 @@
    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>
@@ -25,7 +27,7 @@
 /* Prototype for function that changes ownership and access permission
    for slave pseudo terminals that do not live on a `devpts'
    filesystem.  */
-int __unix_grantpt (int fd);
+static int __unix_grantpt (int fd);
 
 /* Prototype for private function that gets the name of the slave
    pseudo terminal in a safe way.  */
@@ -45,9 +47,24 @@ grantpt (int fd)
 #endif
   char *buf = _buf;
 
-  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;
+
+      __set_errno (save_errno);
+
+       /* If the filedescriptor is no TTY, grantpt has to set errno
+          to EINVAL.  */
+       if (errno == ENOTTY)
+         __set_errno (EINVAL);
+       return -1;
+    }
+
   if (__statfs (buf, &fsbuf) < 0)
     return -1;
 
@@ -59,5 +76,5 @@ grantpt (int fd)
   return __unix_grantpt (fd);
 }
 
-#define grantpt __unix_grantpt
+#define grantpt static __unix_grantpt
 #include <sysdeps/unix/grantpt.c>
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
index 957a928f36..a7c248b2e8 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
@@ -40,7 +40,7 @@ __clone:
 	 mov	%i3, %l3		/* save arg */
 
 	/* Do the system call */
-	mov	%i1, %o1
+	sub	%i1, 0x7ff, %o1
 	mov	%i2, %o0
 	set	__NR_clone, %g1
 	ta	0x6d