Update.

2000-01-12  Andreas Jaeger  <aj@suse.de>

	* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_32BITUIDS):
	Added for Linux 2.3.39+.

	* sysdeps/unix/sysv/linux/getresgid.c: Support 32bit UIDs and
	32bit GIDs.
	* sysdeps/unix/sysv/linux/getresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/chown.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/getgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setegid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/seteuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setfsgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setfsuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setgroups.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setregid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setresgid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setresuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setreuid.c: Likewise.
	* sysdeps/unix/sysv/linux/i386/setuid.c: Likewise.
	* sysdeps/unix/sysv/linux/setegid.c: Likewise.

	* sysdeps/unix/sysv/linux/arm/chown.c: New file.
	* sysdeps/unix/sysv/linux/arm/fchown.c: New file.
	* sysdeps/unix/sysv/linux/arm/geteuid.c: New file.
	* sysdeps/unix/sysv/linux/arm/getegid.c: New file.
	* sysdeps/unix/sysv/linux/arm/getuid.c: New file.
	* sysdeps/unix/sysv/linux/arm/getgid.c: New file.
	* sysdeps/unix/sysv/linux/arm/lchown.c: New file.
	* sysdeps/unix/sysv/linux/i386/fchown.c: New file.
	* sysdeps/unix/sysv/linux/i386/getegid.c: New file.
	* sysdeps/unix/sysv/linux/i386/geteuid.c: New file.
	* sysdeps/unix/sysv/linux/i386/getgid.c: New file.
	* sysdeps/unix/sysv/linux/i386/getuid.c: New file.
	* sysdeps/unix/sysv/linux/i386/lchown.c: New file.
	* sysdeps/unix/sysv/linux/m68k/chown.c: New file.
	* sysdeps/unix/sysv/linux/m68k/fchown.c: New file.
	* sysdeps/unix/sysv/linux/m68k/getegid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/geteuid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/getgid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/getuid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/lchown.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/chown.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/fchown.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/getegid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/geteuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/getgid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/getuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/lchown.c: New file.
	Based on a patch by Chris Wing <wingc@engin.umich.edu>.

2000-01-14  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/sparc/sys/procfs.h: New file.

2000-01-13  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/generic/backtrace.c: Include signal.h which
	sigcontextinfo.h headers are used to expect.
	* sysdeps/unix/sysv/linux/sparc/sparc32/register-dump.h
	(register_dump): Fix a typo in the printout.
	Avoid using reg_window, so that asm/ptrace.h is not necessary.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
	(ADVANCE_STACK_FRAME): Likewise.

	* stdlib/longlong.h: Avoid using __sparc_v9__ ifdefs.
	* sysdeps/sparc/sparc32/bits/wordsize.h: Likewise.
	* sysdeps/sparc/sparc64/bits/wordsize.h: Likewise.

	* sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Include bits/wordsize.h
	to make it clear this file depends on __WORDSIZE.
	* sysdeps/unix/sysv/linux/ftruncate64.c (__have_no_truncate64):
	Renamed from have_no_truncate64.
	* sysdeps/unix/sysv/linux/truncate64.c (__have_no_truncate64):
	Likewise.

19 files changed, 762 insertions, 43 deletions

diff --git a/sysdeps/unix/sysv/linux/i386/chown.c b/sysdeps/unix/sysv/linux/i386/chown.c
index 9ab03e3a7c..9addfd0598 100644
--- a/sysdeps/unix/sysv/linux/i386/chown.c
+++ b/sysdeps/unix/sysv/linux/i386/chown.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 1999, 2000 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
@@ -23,6 +23,9 @@
 #include <sys/syscall.h>
 
 #include <kernel-features.h>
+#include <linux/posix_types.h>
+
+
 
 /*
   In Linux 2.1.x the chown functions have been changed.  A new function lchown
@@ -39,6 +42,15 @@ extern int __syscall_chown (const char *__file,
 #if defined __NR_lchown || __ASSUME_LCHOWN_SYSCALL > 0
 /* Running under Linux > 2.1.80.  */
 
+# ifdef __NR_chown32
+extern int __syscall_chown32 (const char *__file,
+			      __kernel_uid32_t owner, __kernel_gid32_t group);
+#  if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+#  endif
+# endif /* __NR_chown32 */
 
 int
 __real_chown (const char *file, uid_t owner, gid_t group)
@@ -50,6 +62,20 @@ __real_chown (const char *file, uid_t owner, gid_t group)
   if (!__libc_old_chown)
     {
       int saved_errno = errno;
+#  ifdef __NR_chown32
+      if (!__libc_missing_32bit_uids)
+	{
+	  int result;
+	  int saved_errno = errno;
+
+	  result = INLINE_SYSCALL (chown32, 3, file, owner, group);
+	  if (result == 0 || errno != ENOSYS)
+	    return result;
+
+	  __set_errno (saved_errno);
+	  __libc_missing_32bit_uids = 1;
+	}
+#  endif /* __NR_chown32 */
       result = INLINE_SYSCALL (chown, 3, file, owner, group);
 
       if (result >= 0 || errno != ENOSYS)
@@ -60,7 +86,25 @@ __real_chown (const char *file, uid_t owner, gid_t group)
     }
 
   return __lchown (file, owner, group);
+# elif __ASSUME_32BITUIDS
+  /* This implies __ASSUME_LCHOWN_SYSCALL.  */
+  return INLINE_SYSCALL (chown32, 3, file, owner, group);
 # else
+  /* !__ASSUME_32BITUIDS && ASSUME_LCHOWN_SYSCALL  */
+#  ifdef __NR_chown32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (chown32, 3, file, owner, group);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+#  endif /* __NR_chown32 */
   return INLINE_SYSCALL (chown, 3, file, owner, group);
 # endif
 }
diff --git a/sysdeps/unix/sysv/linux/i386/fchown.c b/sysdeps/unix/sysv/linux/i386/fchown.c
new file mode 100644
index 0000000000..7d4c360dbd
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/fchown.c
@@ -0,0 +1,73 @@
+/* Copyright (C) 2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include <linux/posix_types.h>
+#include "kernel-features.h"
+
+extern int __syscall_fchown (int __fd,
+			     __kernel_uid_t __owner, __kernel_gid_t __group);
+
+#ifdef __NR_fchown32
+extern int __syscall_fchown32 (int __fd,
+			       __kernel_uid32_t __owner, __kernel_gid32_t __group);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_fchown32 */
+
+int
+__fchown (int fd, uid_t owner, gid_t group)
+{
+#if  __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (fchown32, 3, fd, owner, group);
+#else
+# ifdef __NR_fchown32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (fchown32, 3, fd, owner, group);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_fchown32 */
+
+  if ( (owner != (uid_t) ((__kernel_uid_t) owner)) ||
+       (group != (gid_t) ((__kernel_gid_t) group)) )
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return INLINE_SYSCALL (fchown, 3, fd, owner, group);
+#endif
+}
+
+weak_alias (__fchown, fchown)
diff --git a/sysdeps/unix/sysv/linux/i386/getegid.c b/sysdeps/unix/sysv/linux/i386/getegid.c
new file mode 100644
index 0000000000..05dd15d986
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/getegid.c
@@ -0,0 +1,62 @@
+/* Copyright (C) 2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include "kernel-features.h"
+
+extern int __syscall_getegid (void);
+
+#ifdef __NR_getegid32
+extern int __syscall_getegid32 (void);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_getegid32 */
+
+gid_t
+__getegid (void)
+{
+#if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (getegid32, 0);
+#else
+# ifdef __NR_getegid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (getegid32, 0);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_getegid32 */
+
+  return INLINE_SYSCALL (getegid, 0);
+#endif
+}
+
+weak_alias (__getegid, getegid)
diff --git a/sysdeps/unix/sysv/linux/i386/geteuid.c b/sysdeps/unix/sysv/linux/i386/geteuid.c
new file mode 100644
index 0000000000..e2f932a975
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/geteuid.c
@@ -0,0 +1,62 @@
+/* Copyright (C) 2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+#include "kernel-features.h"
+
+extern int __syscall_geteuid (void);
+
+#ifdef __NR_geteuid32
+extern int __syscall_geteuid32 (void);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_geteuid32 */
+
+uid_t
+__geteuid (void)
+{
+#if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (geteuid32, 0);
+#else
+# ifdef __NR_geteuid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (geteuid32, 0);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_geteuid32 */
+
+  return INLINE_SYSCALL (geteuid, 0);
+#endif
+}
+
+weak_alias (__geteuid, geteuid)
diff --git a/sysdeps/unix/sysv/linux/i386/getgid.c b/sysdeps/unix/sysv/linux/i386/getgid.c
new file mode 100644
index 0000000000..19794aac36
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/getgid.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include "kernel-features.h"
+
+extern int __syscall_getgid (void);
+
+#ifdef __NR_getgid32
+extern int __syscall_getgid32 (void);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_getgid32 */
+
+gid_t
+__getgid (void)
+{
+#if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (getgid32, 0);
+#else
+# ifdef __NR_getgid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (getgid32, 0);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_getgid32 */
+
+  return INLINE_SYSCALL (getgid, 0);
+#endif
+}
+
+weak_alias (__getgid, getgid)
diff --git a/sysdeps/unix/sysv/linux/i386/getgroups.c b/sysdeps/unix/sysv/linux/i386/getgroups.c
index 5484f72f1c..b538f8f79a 100644
--- a/sysdeps/unix/sysv/linux/i386/getgroups.c
+++ b/sysdeps/unix/sysv/linux/i386/getgroups.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000 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
@@ -23,17 +23,25 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
-
 #include <linux/posix_types.h>
+#include <kernel-features.h>
+
+
+extern int __syscall_getgroups(int, __kernel_gid_t *);
 
-extern int __syscall_getgroups __P ((int, __kernel_gid_t *));
+#ifdef __NR_getgroups32
+extern int __syscall_getgroups32 (int, __kernel_gid32_t *);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_getgroups32 */
 
 /* For Linux we must convert the array of groups from the format that the
    kernel returns.  */
 int
-__getgroups (n, groups)
-     int n;
-     gid_t *groups;
+__getgroups (int n, gid_t *groups)
 {
   if (n < 0)
     {
@@ -42,8 +50,25 @@ __getgroups (n, groups)
     }
   else
     {
+#if __ASSUME_32BITUIDS > 0
+      return INLINE_SYSCALL (getgroups32, 2, n, groups);
+#else
       int i, ngids;
       __kernel_gid_t kernel_groups[n = MIN (n, __sysconf (_SC_NGROUPS_MAX))];
+# ifdef __NR_getgroups32
+      if (!__libc_missing_32bit_uids)
+	{
+	  int result;
+	  int saved_errno = errno;
+
+	  result = INLINE_SYSCALL (getgroups32, 2, n, groups);
+	  if (result == 0 || errno != ENOSYS)
+	    return result;
+
+	  __set_errno (saved_errno);
+	  __libc_missing_32bit_uids = 1;
+	}
+# endif /* __NR_getgroups32 */
 
       ngids = INLINE_SYSCALL (getgroups, 2, n, kernel_groups);
       if (n != 0 && ngids > 0)
@@ -52,6 +77,7 @@ __getgroups (n, groups)
 
       return ngids;
     }
+#endif
 }
 
 weak_alias (__getgroups, getgroups)
diff --git a/sysdeps/unix/sysv/linux/i386/getuid.c b/sysdeps/unix/sysv/linux/i386/getuid.c
new file mode 100644
index 0000000000..d160e4423a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/getuid.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include "kernel-features.h"
+
+extern int __syscall_getuid (void);
+
+#ifdef __NR_getuid32
+extern int __syscall_getuid32 (void);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  This is the definition */
+int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_getuid32 */
+
+uid_t
+__getuid (void)
+{
+#if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (getuid32, 0);
+#else
+# ifdef __NR_getuid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (getuid32, 0);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_getuid32 */
+
+  return INLINE_SYSCALL (getuid, 0);
+#endif
+}
+
+weak_alias (__getuid, getuid)
diff --git a/sysdeps/unix/sysv/linux/i386/lchown.c b/sysdeps/unix/sysv/linux/i386/lchown.c
new file mode 100644
index 0000000000..86ff7d518d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/lchown.c
@@ -0,0 +1,79 @@
+/* Copyright (C) 2000 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include <linux/posix_types.h>
+#include "kernel-features.h"
+
+#ifdef __NR_lchown
+extern int __syscall_lchown (const char *__file,
+			     __kernel_uid_t __owner, __kernel_gid_t __group);
+
+# ifdef __NR_lchown32
+extern int __syscall_lchown32 (const char *__file,
+			       __kernel_uid32_t __owner, __kernel_gid32_t __group);
+#  if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+#  endif
+# endif /* __NR_lchown32 */
+
+int
+__lchown (const char *file, uid_t owner, gid_t group)
+{
+# if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (lchown32, 3, file, owner, group);
+# else
+#  ifdef __NR_lchown32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (lchown32, 3, file, owner, group);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+#  endif /* __NR_lchown32 */
+
+  if ( (owner != (uid_t) ((__kernel_uid_t) owner)) ||
+       (group != (gid_t) ((__kernel_gid_t) group)) )
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return INLINE_SYSCALL (lchown, 3, file, owner, group);
+# endif
+}
+
+weak_alias (__lchown, lchown)
+
+#else
+# include <sysdeps/generic/lchown.c>
+#endif
+
diff --git a/sysdeps/unix/sysv/linux/i386/setegid.c b/sysdeps/unix/sysv/linux/i386/setegid.c
index e29d2eab7b..d4883fe31a 100644
--- a/sysdeps/unix/sysv/linux/i386/setegid.c
+++ b/sysdeps/unix/sysv/linux/i386/setegid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 96, 97, 98, 2000 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
@@ -16,22 +16,12 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#include <errno.h>
 #include <unistd.h>
 #include <sys/types.h>
 
-#include <linux/posix_types.h>
-
 int
 setegid (gid)
      gid_t gid;
 {
-  if (gid == (gid_t) ~0
-      || gid != (gid_t) ((__kernel_gid_t) gid))
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
   return __setregid (-1, gid);
 }
diff --git a/sysdeps/unix/sysv/linux/i386/seteuid.c b/sysdeps/unix/sysv/linux/i386/seteuid.c
index e82ecc36e9..c2b03f91e3 100644
--- a/sysdeps/unix/sysv/linux/i386/seteuid.c
+++ b/sysdeps/unix/sysv/linux/i386/seteuid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -21,7 +21,6 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#include <linux/posix_types.h>
 
 #ifdef __NR_setresuid
 extern int __setresuid (uid_t ruid, uid_t euid, uid_t suid);
@@ -31,14 +30,6 @@ int
 seteuid (uid_t uid)
 {
   int result;
-
-  if (uid == (uid_t) ~0
-      || uid != (uid_t) ((__kernel_uid_t) uid))
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
   /* First try the syscall.  */
 #ifdef __NR_setresuid
   result = __setresuid (-1, uid, -1);
diff --git a/sysdeps/unix/sysv/linux/i386/setfsgid.c b/sysdeps/unix/sysv/linux/i386/setfsgid.c
index 434b19377b..6fd7e46489 100644
--- a/sysdeps/unix/sysv/linux/i386/setfsgid.c
+++ b/sysdeps/unix/sysv/linux/i386/setfsgid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -22,15 +22,43 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
-
 #include <linux/posix_types.h>
+#include "kernel-features.h"
+
 
 #ifdef __NR_setfsgid
+
 extern int __syscall_setfsgid (__kernel_gid_t);
 
+# ifdef __NR_setfsgid32
+extern int __syscall_setfsgid32 (__kernel_gid32_t);
+#  if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+#  endif
+# endif /* __NR_setfsgid32 */
+
 int
 setfsgid (gid_t gid)
 {
+# if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (setfsgid32, 1, gid);
+# else
+#  ifdef __NR_setfsgid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (setfsgid32, 1, gid);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+#  endif /* __NR_setfsgid32 */
   if (gid != (gid_t) ((__kernel_gid_t) gid))
     {
       __set_errno (EINVAL);
@@ -38,5 +66,6 @@ setfsgid (gid_t gid)
     }
 
   return INLINE_SYSCALL (setfsgid, 1, gid);
+# endif
 }
 #endif
diff --git a/sysdeps/unix/sysv/linux/i386/setfsuid.c b/sysdeps/unix/sysv/linux/i386/setfsuid.c
index f3771694a1..cf7bc16476 100644
--- a/sysdeps/unix/sysv/linux/i386/setfsuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setfsuid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -24,13 +24,42 @@
 #include <sys/syscall.h>
 
 #include <linux/posix_types.h>
+#include "kernel-features.h"
 
 #ifdef __NR_setfsuid
+
 extern int __syscall_setfsuid (__kernel_uid_t);
 
+# ifdef __NR_setfsuid32
+extern int __syscall_setfsuid32 (__kernel_uid32_t);
+#  if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+#  endif
+# endif /* __NR_setfsuid32 */
+
 int
 setfsuid (uid_t uid)
 {
+# if  __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (setfsuid32, 1, uid);
+# else  
+#  ifdef __NR_setfsuid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (setfsuid32, 1, uid);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+#  endif /* __NR_setfsuid32 */
+
   if (uid != (uid_t) ((__kernel_uid_t) uid))
     {
       __set_errno (EINVAL);
@@ -38,5 +67,6 @@ setfsuid (uid_t uid)
     }
 
   return INLINE_SYSCALL (setfsuid, 1, uid);
+# endif
 }
 #endif
diff --git a/sysdeps/unix/sysv/linux/i386/setgid.c b/sysdeps/unix/sysv/linux/i386/setgid.c
index 2ab8dfda34..2a81302527 100644
--- a/sysdeps/unix/sysv/linux/i386/setgid.c
+++ b/sysdeps/unix/sysv/linux/i386/setgid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -25,11 +25,41 @@
 
 #include <linux/posix_types.h>
 
+#include "kernel-features.h"
+
 extern int __syscall_setgid (__kernel_gid_t);
 
+#ifdef __NR_setgid32
+extern int __syscall_setgid32 (__kernel_gid32_t);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_setgid32 */
+
 int
 __setgid (gid_t gid)
 {
+#if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (setgid32, 1, gid);
+#else
+# ifdef __NR_setgid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (setgid32, 1, gid);
+
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_setgid32 */
+
   if (gid == (gid_t) ~0
       || gid != (gid_t) ((__kernel_gid_t) gid))
     {
@@ -38,5 +68,6 @@ __setgid (gid_t gid)
     }
 
   return INLINE_SYSCALL (setgid, 1, gid);
+#endif
 }
 weak_alias (__setgid, setgid)
diff --git a/sysdeps/unix/sysv/linux/i386/setgroups.c b/sysdeps/unix/sysv/linux/i386/setgroups.c
index e57004f8ac..7c750acc74 100644
--- a/sysdeps/unix/sysv/linux/i386/setgroups.c
+++ b/sysdeps/unix/sysv/linux/i386/setgroups.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000 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
@@ -23,18 +23,26 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
-
 #include <linux/posix_types.h>
+#include "kernel-features.h"
+
+
+extern int __syscall_setgroups (int, const __kernel_gid_t *);
 
-extern int __syscall_setgroups __P ((int, const __kernel_gid_t *));
+#ifdef __NR_setgroups32
+extern int __syscall_setgroups32 __P ((int, const __kernel_gid32_t *));
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_setgroups32 */
 
 /* Set the group set for the current user to GROUPS (N of them).  For
    Linux we must convert the array of groups into the format that the
    kernel expects.  */
 int
-setgroups (n, groups)
-     size_t n;
-     const gid_t *groups;
+setgroups (size_t n, const gid_t *groups)
 {
   if (n > (size_t) __sysconf (_SC_NGROUPS_MAX))
     {
@@ -43,9 +51,25 @@ setgroups (n, groups)
     }
   else
     {
+#if __ASSUME_32BITUIDS > 0
+      return INLINE_SYSCALL (setgroups32, 2, n, groups);
+#else
       size_t i;
       __kernel_gid_t kernel_groups[n];
+# ifdef __NR_setgroups32
+      if (!__libc_missing_32bit_uids)
+	{
+	  int result;
+	  int saved_errno = errno;
+
+	  result = INLINE_SYSCALL (setgroups32, 2, n, groups);
+	  if (result == 0 || errno != ENOSYS)
+	    return result;
 
+	  __set_errno (saved_errno);
+	  __libc_missing_32bit_uids = 1;
+	}
+# endif /* __NR_setgroups32 */
       for (i = 0; i < n; i++)
 	{
 	  kernel_groups[i] = groups[i];
@@ -58,4 +82,5 @@ setgroups (n, groups)
 
       return INLINE_SYSCALL (setgroups, 2, n, kernel_groups);
     }
+#endif
 }
diff --git a/sysdeps/unix/sysv/linux/i386/setregid.c b/sysdeps/unix/sysv/linux/i386/setregid.c
index 98603bd2a2..4f00d30bc6 100644
--- a/sysdeps/unix/sysv/linux/i386/setregid.c
+++ b/sysdeps/unix/sysv/linux/i386/setregid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -24,12 +24,41 @@
 #include <sys/syscall.h>
 
 #include <linux/posix_types.h>
+#include "kernel-features.h"
+
 
 extern int __syscall_setregid (__kernel_gid_t, __kernel_gid_t);
 
+#ifdef __NR_setregid32
+extern int __syscall_setregid32 (__kernel_gid32_t, __kernel_gid32_t);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_setregid32 */
+
 int
 __setregid (gid_t rgid, gid_t egid)
 {
+#if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (setregid32, 2, rgid, egid);
+#else
+# ifdef __NR_setregid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (setregid32, 2, rgid, egid);
+
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_setregid32 */
   if ((rgid != (gid_t) -1 && rgid != (gid_t) (__kernel_gid_t) rgid)
       || (egid != (gid_t) -1 && egid != (gid_t) (__kernel_gid_t) egid))
     {
@@ -38,5 +67,6 @@ __setregid (gid_t rgid, gid_t egid)
     }
 
   return INLINE_SYSCALL (setregid, 2, rgid, egid);
+#endif
 }
 weak_alias (__setregid, setregid)
diff --git a/sysdeps/unix/sysv/linux/i386/setresgid.c b/sysdeps/unix/sysv/linux/i386/setresgid.c
index ab2738582b..45dbcc8485 100644
--- a/sysdeps/unix/sysv/linux/i386/setresgid.c
+++ b/sysdeps/unix/sysv/linux/i386/setresgid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -24,14 +24,44 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include "kernel-features.h"
+
 #ifdef __NR_setresgid
 
 extern int __syscall_setresgid (__kernel_gid_t rgid, __kernel_gid_t egid,
 				__kernel_gid_t sgid);
 
+# ifdef __NR_setresgid32
+extern int __syscall_setresgid32 (__kernel_gid32_t rgid, __kernel_gid32_t egid,
+				  __kernel_gid32_t sgid);
+#  if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+#  endif
+# endif /* __NR_setresgid32 */
+
 int
 setresgid (gid_t rgid, gid_t egid, gid_t sgid)
 {
+# if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (setresgid32, 3, rgid, egid, sgid);
+# else
+#  ifdef __NR_setresgid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (setresgid32, 3, rgid, egid, sgid);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+#  endif /* __NR_setresgid32 */
+
   if ((rgid != (gid_t) -1 && rgid != (gid_t) (__kernel_gid_t) rgid)
       || (egid != (gid_t) -1 && egid != (gid_t) (__kernel_gid_t) egid)
       || (sgid != (gid_t) -1 && sgid != (gid_t) (__kernel_gid_t) sgid))
@@ -41,5 +71,6 @@ setresgid (gid_t rgid, gid_t egid, gid_t sgid)
     }
 
   return INLINE_SYSCALL (setresgid, 3, rgid, egid, sgid);
+# endif
 }
 #endif
diff --git a/sysdeps/unix/sysv/linux/i386/setresuid.c b/sysdeps/unix/sysv/linux/i386/setresuid.c
index 953b8294d6..90214526ab 100644
--- a/sysdeps/unix/sysv/linux/i386/setresuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setresuid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -24,14 +24,44 @@
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include "kernel-features.h"
+
 #ifdef __NR_setresuid
 
 extern int __syscall_setresuid (__kernel_uid_t rgid, __kernel_uid_t egid,
 				__kernel_uid_t sgid);
 
+# ifdef __NR_setresuid32
+extern int __syscall_setresuid32 (__kernel_uid32_t rgid, __kernel_uid32_t egid,
+				  __kernel_uid32_t sgid);
+#  if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+#  endif
+# endif /* __NR_setresuid32 */
+
 int
 __setresuid (uid_t ruid, uid_t euid, uid_t suid)
 {
+# if __ASSUME_32BITUIDS > 0  
+  return INLINE_SYSCALL (setresuid32, 3, ruid, euid, suid);
+# else
+#  ifdef __NR_setresuid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (setresuid32, 3, ruid, euid, suid);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+#  endif /* __NR_setresuid32 */
+
   if ((ruid != (uid_t) -1 && ruid != (uid_t) (__kernel_uid_t) ruid)
       || (euid != (uid_t) -1 && euid != (uid_t) (__kernel_uid_t) euid)
       || (suid != (uid_t) -1 && suid != (uid_t) (__kernel_uid_t) suid))
@@ -41,6 +71,7 @@ __setresuid (uid_t ruid, uid_t euid, uid_t suid)
     }
 
   return INLINE_SYSCALL (setresuid, 3, ruid, euid, suid);
+# endif
 }
 weak_alias (__setresuid, setresuid)
 #endif
diff --git a/sysdeps/unix/sysv/linux/i386/setreuid.c b/sysdeps/unix/sysv/linux/i386/setreuid.c
index f38f136920..58ddff2b00 100644
--- a/sysdeps/unix/sysv/linux/i386/setreuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setreuid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -24,12 +24,41 @@
 #include <sys/syscall.h>
 
 #include <linux/posix_types.h>
+#include "kernel-features.h"
+
 
 extern int __syscall_setreuid (__kernel_uid_t, __kernel_uid_t);
 
+#ifdef __NR_setreuid32
+extern int __syscall_setreuid32 (__kernel_uid32_t, __kernel_uid32_t);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_setreuid32 */
+
 int
 __setreuid (uid_t ruid, uid_t euid)
 {
+#if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (setreuid32, 2, ruid, euid);
+#else
+# ifdef __NR_setreuid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (setreuid32, 2, ruid, euid);
+
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_setreuid32 */
   if ((ruid != (uid_t) -1 && ruid != (uid_t) (__kernel_uid_t) ruid)
       || (euid != (uid_t) -1 && euid != (uid_t) (__kernel_uid_t) euid))
     {
@@ -38,5 +67,6 @@ __setreuid (uid_t ruid, uid_t euid)
     }
 
   return INLINE_SYSCALL (setreuid, 2, ruid, euid);
+#endif
 }
 weak_alias (__setreuid, setreuid)
diff --git a/sysdeps/unix/sysv/linux/i386/setuid.c b/sysdeps/unix/sysv/linux/i386/setuid.c
index 5e5346ca42..ed0d8fa0bd 100644
--- a/sysdeps/unix/sysv/linux/i386/setuid.c
+++ b/sysdeps/unix/sysv/linux/i386/setuid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -24,12 +24,40 @@
 #include <sys/syscall.h>
 
 #include <linux/posix_types.h>
+#include "kernel-features.h"
 
 extern int __syscall_setuid (__kernel_uid_t);
 
+#ifdef __NR_setuid32
+extern int __syscall_setuid32 (__kernel_uid32_t);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+   uids.  */
+extern int __libc_missing_32bit_uids;
+# endif
+#endif /* __NR_setuid32 */
+
 int
 __setuid (uid_t uid)
 {
+#if __ASSUME_32BITUIDS > 0
+  return INLINE_SYSCALL (setuid32, 1, uid);
+#else
+# ifdef __NR_setuid32
+  if (!__libc_missing_32bit_uids)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (setuid32, 1, uid);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = 1;
+    }
+# endif /* __NR_setuid32 */
+
   if (uid == (uid_t) ~0
       || uid != (uid_t) ((__kernel_uid_t) uid))
     {
@@ -38,5 +66,6 @@ __setuid (uid_t uid)
     }
 
   return INLINE_SYSCALL (setuid, 1, uid);
+#endif
 }
 weak_alias (__setuid, setuid)