* string/test-strspn.c (do_test): Ensure zero termination.

	* string/test-strpbrk.c (do_test): Likewise.
	* string/test-strncmp.c (stupid_strncmp): Use strnlen, not strlen.
	* string/test-strncpy.c (stupid_strncpy): Likewise.
	* string/test-stpncpy.c (stupid_stpncpy): Likewise.

2002-10-08  Roland McGrath  <roland@redhat.com>

	* string/test-string.h (test_init): Fill BUF1 and BUF2 with
	nonzero characters.

2002-09-22  H.J. Lu  <hjl@gnu.org>

	* sysdeps/unix/sysv/linux/mmap64.c (MMAP2_PAGE_SHIFT): Renamed
	from PAGE_SHIFT.  Define if not defined.  Check MMAP2_PAGE_SHIFT
	only if __NR_mmap2 is defined.

	* sysdeps/unix/sysv/linux/powerpc/mmap64.c: Moved to ...
	* sysdeps/unix/sysv/linux/mmap64.c: ... here.
	* sysdeps/unix/sysv/linux/hppa/mmap64.c: File removed.
	* sysdeps/unix/sysv/linux/sparc/sparc32/mmap64.c: FIle removed,

1 files changed, 58 insertions, 12 deletions

diff --git a/sysdeps/unix/sysv/linux/mmap64.c b/sysdeps/unix/sysv/linux/mmap64.c
index 7d75a241c7..ea7cd3233e 100644
--- a/sysdeps/unix/sysv/linux/mmap64.c
+++ b/sysdeps/unix/sysv/linux/mmap64.c
@@ -1,6 +1,6 @@
-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1999,2000,01,02 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Daniel Jacobowitz <dan@debian.org>, 1999.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -19,21 +19,67 @@
 
 #include <errno.h>
 #include <unistd.h>
+#include <sys/mman.h>
 
 #include <sysdep.h>
 #include <sys/syscall.h>
+#include <bp-checks.h>
 
-#include <sys/mman.h>
+#include "kernel-features.h"
+
+#ifdef __NR_mmap2
+/* We have the system call that takes page number instead of byte address.  */
+extern void *__unbounded __syscall_mmap2 (void *__unbounded, size_t,
+					  int, int, int, off_t);
+
+/* This is always 12, even on architectures where PAGE_SHIFT != 12.  */
+# ifndef MMAP2_PAGE_SHIFT
+#  define MMAP2_PAGE_SHIFT 12
+# endif
 
-__ptr_t
-__mmap64 (addr, len, prot, flags, fd, offset)
-     __ptr_t addr;
-     size_t len;
-     int prot;
-     int flags;
-     int fd;
-     off64_t offset;
+# ifndef __ASSUME_MMAP2_SYSCALL
+static int have_no_mmap2;
+# endif
+#endif
+
+
+void *
+__mmap64 (void *addr, size_t len, int prot, int flags, int fd, off64_t offset)
 {
+#ifdef __NR_mmap2
+  if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1))
+    {
+      __set_errno (EINVAL);
+      return MAP_FAILED;
+    }
+# ifndef __ASSUME_MMAP2_SYSCALL
+  if (! have_no_mmap2)
+# endif
+    {
+# ifndef __ASSUME_MMAP2_SYSCALL
+      int saved_errno = errno;
+# endif
+      void *result;
+      __ptrvalue (result) = (void *__unbounded)
+	INLINE_SYSCALL (mmap2, 6, __ptrvalue (addr),
+			len, prot, flags, fd,
+			(off_t) (offset >> MMAP2_PAGE_SHIFT));
+# if __BOUNDED_POINTERS__
+      __ptrlow (result) = __ptrvalue (result);
+      __ptrhigh (result) = __ptrvalue (result) + len;
+# endif
+# ifndef __ASSUME_MMAP2_SYSCALL
+      if (result != MAP_FAILED || errno != ENOSYS)
+# endif
+	return result;
+
+# ifndef __ASSUME_MMAP2_SYSCALL
+      __set_errno (saved_errno);
+      have_no_mmap2 = 1;
+# endif
+    }
+#endif
+#ifndef __ASSUME_MMAP2_SYSCALL
   if (offset != (off_t) offset || (offset + len) != (off_t) (offset + len))
     {
       __set_errno (EINVAL);
@@ -41,6 +87,6 @@ __mmap64 (addr, len, prot, flags, fd, offset)
     }
 
   return __mmap (addr, len, prot, flags, fd, (off_t) offset);
+#endif
 }
-
 weak_alias (__mmap64, mmap64)