Update.

	* sysdeps/unix/opendir.c: Use O_DIRECTORY if available.  If not
	available double check to verify it's a directory.

	* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Add O_DIRECTORY.
	* sysdeps/unix/sysv/linux/mips/bits/fcntl: Likewise.
	* sysdeps/unix/sysv/linux/bits/fcntl.h: Remove O_* constants which
	are not generally available.
	* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: New file.

	* sysdeps/unix/sysv/linux/i386/setgroups.c: Add range check for values.
	* sysdeps/unix/sysv/linux/arm/Makefile: New file.
	* sysdeps/unix/sysv/linux/arm/setegid.c: New file.
	* sysdeps/unix/sysv/linux/arm/seteuid.c: New file.
	* sysdeps/unix/sysv/linux/arm/setfsgid.c: New file.
	* sysdeps/unix/sysv/linux/arm/setfsuid.c: New file.
	* sysdeps/unix/sysv/linux/arm/setgid.c: New file.
	* sysdeps/unix/sysv/linux/arm/setgroups.c: New file.
	* sysdeps/unix/sysv/linux/arm/setresgid.c: New file.
	* sysdeps/unix/sysv/linux/arm/setresuid.c: New file.
	* sysdeps/unix/sysv/linux/arm/setuid.c: New file.
	* sysdeps/unix/sysv/linux/i386/setegid.c: New file.
	* sysdeps/unix/sysv/linux/i386/seteuid.c: New file.
	* sysdeps/unix/sysv/linux/i386/setfsgid.c: New file.
	* sysdeps/unix/sysv/linux/i386/setfsuid.c: New file.
	* sysdeps/unix/sysv/linux/i386/setgid.c: New file.
	* sysdeps/unix/sysv/linux/i386/setgroups.c: New file.
	* sysdeps/unix/sysv/linux/i386/setresgid.c: New file.
	* sysdeps/unix/sysv/linux/i386/setresuid.c: New file.
	* sysdeps/unix/sysv/linux/i386/setuid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/setegid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/seteuid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/setfsgid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/setfsuid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/setgid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/setgroups.c: New file.
	* sysdeps/unix/sysv/linux/m68k/setresgid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/setresuid.c: New file.
	* sysdeps/unix/sysv/linux/m68k/setuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setfsgid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setfsuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setgid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setgroups.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc32/setuid.c: New file.

	* sysdeps/unix/sysv/linux/arm/syscalls.list: Add s_setgid, s_setresuid,
	s_setresgid, and s_setuid.
	* sysdeps/unix/sysv/linux/i386/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/m68k/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/i386/Makefile [subdir=misc]
	(sysdep_routines): Add setfsgid, setfsuid, setresgid, and setresuid.
	* sysdeps/unix/sysv/linux/m68k/Makefile: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/Makefile: Likewise.

1998-10-16  Ulrich Drepper  <drepper@cygnus.com>

	* iconv/skeleton.c: Include ELF header only of STATIC_GCONV is not

40 files changed, 645 insertions, 15 deletions

diff --git a/ChangeLog b/ChangeLog
index bf6b048d94..d0d34a8e59 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,65 @@
 1998-10-16  Ulrich Drepper  <drepper@cygnus.com>
 
+	* sysdeps/unix/opendir.c: Use O_DIRECTORY if available.  If not
+	available double check to verify it's a directory.
+
+	* sysdeps/unix/sysv/linux/alpha/bits/fcntl.h: Add O_DIRECTORY.
+	* sysdeps/unix/sysv/linux/mips/bits/fcntl: Likewise.
+	* sysdeps/unix/sysv/linux/bits/fcntl.h: Remove O_* constants which
+	are not generally available.
+	* sysdeps/unix/sysv/linux/i386/bits/fcntl.h: New file.
+
+	* sysdeps/unix/sysv/linux/i386/setgroups.c: Add range check for values.
+	* sysdeps/unix/sysv/linux/arm/Makefile: New file.
+	* sysdeps/unix/sysv/linux/arm/setegid.c: New file.
+	* sysdeps/unix/sysv/linux/arm/seteuid.c: New file.
+	* sysdeps/unix/sysv/linux/arm/setfsgid.c: New file.
+	* sysdeps/unix/sysv/linux/arm/setfsuid.c: New file.
+	* sysdeps/unix/sysv/linux/arm/setgid.c: New file.
+	* sysdeps/unix/sysv/linux/arm/setgroups.c: New file.
+	* sysdeps/unix/sysv/linux/arm/setresgid.c: New file.
+	* sysdeps/unix/sysv/linux/arm/setresuid.c: New file.
+	* sysdeps/unix/sysv/linux/arm/setuid.c: New file.
+	* sysdeps/unix/sysv/linux/i386/setegid.c: New file.
+	* sysdeps/unix/sysv/linux/i386/seteuid.c: New file.
+	* sysdeps/unix/sysv/linux/i386/setfsgid.c: New file.
+	* sysdeps/unix/sysv/linux/i386/setfsuid.c: New file.
+	* sysdeps/unix/sysv/linux/i386/setgid.c: New file.
+	* sysdeps/unix/sysv/linux/i386/setgroups.c: New file.
+	* sysdeps/unix/sysv/linux/i386/setresgid.c: New file.
+	* sysdeps/unix/sysv/linux/i386/setresuid.c: New file.
+	* sysdeps/unix/sysv/linux/i386/setuid.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/setegid.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/seteuid.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/setfsgid.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/setfsuid.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/setgid.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/setgroups.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/setresgid.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/setresuid.c: New file.
+	* sysdeps/unix/sysv/linux/m68k/setuid.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/setegid.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/seteuid.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/setfsgid.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/setfsuid.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/setgid.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/setgroups.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/setresgid.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/setresuid.c: New file.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/setuid.c: New file.
+
+	* sysdeps/unix/sysv/linux/arm/syscalls.list: Add s_setgid, s_setresuid,
+	s_setresgid, and s_setuid.
+	* sysdeps/unix/sysv/linux/i386/syscalls.list: Likewise.
+	* sysdeps/unix/sysv/linux/m68k/syscalls.list: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Likewise.
+	* sysdeps/unix/sysv/linux/i386/Makefile [subdir=misc]
+	(sysdep_routines): Add setfsgid, setfsuid, setresgid, and setresuid.
+	* sysdeps/unix/sysv/linux/m68k/Makefile: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/Makefile: Likewise.
+
+1998-10-16  Ulrich Drepper  <drepper@cygnus.com>
+
 	* time/mktime.c: Define _POSIX_THREAD_SAFE_FUNCTIONS to get
 	localtime_t declaration on some systems.
 
@@ -7,7 +67,7 @@
 
 	* iconv/Makefile [! elf]: Define CFLAGS-gconv_simple.c to
 	-DSTATIC_GCONV.
-	* iconv/skeleton.c: Include ELF header only of STATIC?GCONV is not
+	* iconv/skeleton.c: Include ELF header only of STATIC_GCONV is not
 	defined.  Avoid using DL_CLL_FCT if it is not defined.
 
 1998-10-16 10:40 -0400  Zack Weinberg  <zack@rabi.phys.columbia.edu>
diff --git a/sysdeps/unix/opendir.c b/sysdeps/unix/opendir.c
index 77f2a0a490..657ad176a8 100644
--- a/sysdeps/unix/opendir.c
+++ b/sysdeps/unix/opendir.c
@@ -29,6 +29,30 @@
 
 #include <dirstream.h>
 
+
+/* We want to be really safe the file we opened is a directory.  Some systems
+   have support for this, others don't.  */
+#ifdef O_DIRECTORY
+# define OPENDIR(NAME) \
+  do {									      \
+    fd = __open (NAME, O_RDONLY|O_NDELAY|O_DIRECTORY);			      \
+    if (fd < 0)								      \
+      return NULL;							      \
+  } while (0)
+#else
+# define OPENDIR(NAME) \
+  do {									      \
+    fd = __open (NAME, O_RDONLY|O_NDELAY);				      \
+    if (fd < 0 || __fstat (fd, &statbuf) < 0 || ! S_ISDIR (statbuf.st_mode))  \
+      {									      \
+	if (fd >= 0)							      \
+	  __close (fd);							      \
+	return NULL;							      \
+      }									      \
+  } while (0)
+#endif
+
+
 /* Open a directory stream on NAME.  */
 DIR *
 __opendir (const char *name)
@@ -58,9 +82,7 @@ __opendir (const char *name)
       return NULL;
     }
 
-  fd = __open (name, O_RDONLY|O_NDELAY);
-  if (fd < 0)
-    return NULL;
+  OPENDIR (name);
 
   if (__fcntl (fd, F_SETFD, FD_CLOEXEC) < 0)
     goto lose;
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
index 7cd32a34a3..e67ad19f65 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/fcntl.h
@@ -45,6 +45,7 @@
 
 #ifdef __USE_GNU
 # define O_DIRECT	040000	/* Direct disk access.  */
+# define O_DIRECTORY	0100000	/* Must be a directory.  */
 #endif
 
 /* Not necessary, files are always with 64bit off_t.  */
diff --git a/sysdeps/unix/sysv/linux/arm/Makefile b/sysdeps/unix/sysv/linux/arm/Makefile
new file mode 100644
index 0000000000..e65a5c1fa3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/Makefile
@@ -0,0 +1,3 @@
+ifeq ($(subdir),misc)
+sysdep_routines += setfsgid setfsuid setresgid setresuid
+endif
diff --git a/sysdeps/unix/sysv/linux/arm/setegid.c b/sysdeps/unix/sysv/linux/arm/setegid.c
new file mode 100644
index 0000000000..2e3a54c893
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/setegid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setegid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/seteuid.c b/sysdeps/unix/sysv/linux/arm/seteuid.c
new file mode 100644
index 0000000000..18e41d08c1
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/seteuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/seteuid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/setfsgid.c b/sysdeps/unix/sysv/linux/arm/setfsgid.c
new file mode 100644
index 0000000000..0886712569
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/setfsgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setfsgid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/setfsuid.c b/sysdeps/unix/sysv/linux/arm/setfsuid.c
new file mode 100644
index 0000000000..a9f22eb8ab
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/setfsuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setfsuid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/setgid.c b/sysdeps/unix/sysv/linux/arm/setgid.c
new file mode 100644
index 0000000000..377021d9ec
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/setgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setgid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/setgroups.c b/sysdeps/unix/sysv/linux/arm/setgroups.c
new file mode 100644
index 0000000000..0e7086278f
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/setgroups.c
@@ -0,0 +1,2 @@
+/* We also have to rewrite the kernel gid_t to the user land type.  */
+#include <sysdeps/unix/sysv/linux/i386/setgroups.c>
diff --git a/sysdeps/unix/sysv/linux/arm/setresgid.c b/sysdeps/unix/sysv/linux/arm/setresgid.c
new file mode 100644
index 0000000000..daca1a4833
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/setresgid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setresgid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/setresuid.c b/sysdeps/unix/sysv/linux/arm/setresuid.c
new file mode 100644
index 0000000000..3aeabe9ad7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/setresuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setresuid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/setuid.c b/sysdeps/unix/sysv/linux/arm/setuid.c
new file mode 100644
index 0000000000..de394379be
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/setuid.c
@@ -0,0 +1 @@
+#include <sysdeps/unix/sysv/linux/i386/setuid.c>
diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list
index a3ecdd7d73..3adc087d15 100644
--- a/sysdeps/unix/sysv/linux/arm/syscalls.list
+++ b/sysdeps/unix/sysv/linux/arm/syscalls.list
@@ -2,6 +2,10 @@
 
 s_getgroups	getgroups getgroups	2	__syscall_getgroups
 s_llseek	llseek	_llseek		5	__sys_llseek
+s_setgid	setgid	setgid		1	__syscall_setgid
 s_setgroups	setgroups setgroups	2	__syscall_setgroups
+s_setresuid	setresuid setresuid	3	__syscall_setresuid
+s_setresgid	setresgid setresgid	3	__syscall_setresgid
+s_setuid	setuid	setuid		1	__syscall_setuid
 vm86		-	vm86		1	__vm86		vm86
 syscall		-	syscall		5	syscall
diff --git a/sysdeps/unix/sysv/linux/bits/fcntl.h b/sysdeps/unix/sysv/linux/bits/fcntl.h
index c2a8ee91ac..42ad79f6ab 100644
--- a/sysdeps/unix/sysv/linux/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/bits/fcntl.h
@@ -42,7 +42,7 @@
 #define O_ASYNC		020000
 
 #ifdef __USE_GNU
-# define O_DIRECT	040000	/* Direct disk access.  */
+# define O_DIRECTORY	040000	/* Must be a directory.  */
 #endif
 
 /* For now Linux has synchronisity options for data and read operations.
@@ -53,10 +53,6 @@
 # define O_RSYNC	O_SYNC	/* Synchronize read operations.  */
 #endif
 
-#ifdef __USE_LARGEFILE64
-# define O_LARGEFILE	0100000
-#endif
-
 /* Values for the second argument to `fcntl'.  */
 #define F_DUPFD		0	/* Duplicate file descriptor.  */
 #define F_GETFD		1	/* Get file descriptor flags.  */
diff --git a/sysdeps/unix/sysv/linux/i386/Makefile b/sysdeps/unix/sysv/linux/i386/Makefile
index c27f390b59..29011fd22e 100644
--- a/sysdeps/unix/sysv/linux/i386/Makefile
+++ b/sysdeps/unix/sysv/linux/i386/Makefile
@@ -1,5 +1,6 @@
 ifeq ($(subdir),misc)
-sysdep_routines += ioperm iopl vm86 s_pread64 s_pwrite64
+sysdep_routines += ioperm iopl vm86 s_pread64 s_pwrite64 setfsgid setfsuid \
+		   setresgid setresuid
 sysdep_headers += sys/elf.h sys/perm.h sys/reg.h sys/vm86.h sys/debugreg.h
 endif
 
diff --git a/sysdeps/unix/sysv/linux/i386/bits/fcntl.h b/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
new file mode 100644
index 0000000000..0c8afd22fa
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/bits/fcntl.h
@@ -0,0 +1,138 @@
+/* O_*, F_*, FD_* bit values for Linux.
+   Copyright (C) 1995, 1996, 1997, 1998 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.  */
+<