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Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/fpathconf.c')
-rw-r--r--sysdeps/unix/sysv/linux/alpha/fpathconf.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/fpathconf.c b/sysdeps/unix/sysv/linux/alpha/fpathconf.c
new file mode 100644
index 0000000000..d8c428dcda
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/fpathconf.c
@@ -0,0 +1,64 @@
+/* Copyright (C) 1991, 1995, 1996, 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. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <unistd.h>
+#include <limits.h>
+#include <sys/statfs.h>
+
+#define EXT2_SUPER_MAGIC 0xef53
+#define UFS_MAGIC 0x00011954
+#define UFS_CIGAM 0x54190100 /* byteswapped MAGIC */
+
+static long int default_fpathconf (int fd, int name);
+
+/* Get file-specific information about descriptor FD. */
+long int
+__fpathconf (fd, name)
+ int fd;
+ int name;
+{
+ if (fd < 0)
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+
+ if (name == _PC_FILESIZEBITS)
+ {
+ /* Test whether this is on a ext2 filesystem which supports large
+ files. */
+ struct statfs fs;
+
+ if (__fstatfs (fd, &fs) < 0
+ || (fs.f_type != EXT2_SUPER_MAGIC
+ && fs.f_type != UFS_MAGIC
+ && fs.f_type != UFS_CIGAM))
+ return 32;
+
+ /* This filesystem supported files >2GB. */
+ return 64;
+ }
+
+ /* Fallback to the generic version. */
+ return default_fpathconf (fd, name);
+}
+
+#define __fpathconf static default_fpathconf
+#include <sysdeps/posix/fpathconf.c>