gettimeofday: port recent C++ fix to Emacs

[gnulib.git] / lib / fsusage.c

diff --git a/lib/fsusage.c b/lib/fsusage.c
index 1e35d30..0657555 100644 (file)
--- a/lib/fsusage.c
+++ b/lib/fsusage.c
@@ -1,6 +1,6 @@
 /* fsusage.c -- return space usage of mounted file systems
 
-   Copyright (C) 1991-1992, 1996, 1998-1999, 2002-2006, 2009-2012 Free Software
+   Copyright (C) 1991-1992, 1996, 1998-1999, 2002-2006, 2009-2013 Free Software
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
@@ -31,15 +31,15 @@
 # include <fcntl.h>
 # include <unistd.h>
 # include <sys/stat.h>
-# if HAVE_SYS_PARAM_H
-#  include <sys/param.h>
-# endif
-# if HAVE_SYS_MOUNT_H
-#  include <sys/mount.h>
-# endif
-# if HAVE_SYS_VFS_H
-#  include <sys/vfs.h>
-# endif
+#if HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+#if HAVE_SYS_MOUNT_H
+# include <sys/mount.h>
+#endif
+#if HAVE_SYS_VFS_H
+# include <sys/vfs.h>
+#endif
 # if HAVE_SYS_FS_S5PARAM_H      /* Fujitsu UXP/V */
 #  include <sys/fs/s5param.h>
 # endif
@@ -90,6 +90,8 @@
    preceding entries in /proc/mounts; that makes df hang if even one
    of the corresponding file systems is hard-mounted but not available.  */
 # if ! (__linux__ && (__GLIBC__ || __UCLIBC__))
+/* The FRSIZE fallback is not required in this case.  */
+#  undef STAT_STATFS2_FRSIZE
 static int statvfs_works (void) { return 1; }
 # else
 #  include <string.h> /* for strverscmp */
@@ -227,7 +229,7 @@ get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp)
   fsp->fsu_blocksize = PROPAGATE_ALL_ONES (fsd.f_frsize);
 
 #elif defined STAT_STATFS2_BSIZE        /* glibc/Linux < 2.6, 4.3BSD, SunOS 4, \
-                                           MacOS X < 10.4, FreeBSD < 5.0, \
+                                           Mac OS X < 10.4, FreeBSD < 5.0, \
                                            NetBSD < 3.0, OpenBSD < 4.4 */
 
   struct statfs fsd;
@@ -284,8 +286,9 @@ get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp)
 
 #endif
 
-#if (defined STAT_STATVFS64 \
-     || (!defined STAT_STATFS2_FS_DATA && !defined STAT_READ_FILSYS))
+#if (defined STAT_STATVFS64 || defined STAT_STATFS3_OSF1                \
+     || defined STAT_STATFS2_FRSIZE || defined STAT_STATFS2_BSIZE       \
+     || defined STAT_STATFS2_FSIZE || defined STAT_STATFS4)
 
   fsp->fsu_blocks = PROPAGATE_ALL_ONES (fsd.f_blocks);
   fsp->fsu_bfree = PROPAGATE_ALL_ONES (fsd.f_bfree);