From 900ede40532640376f7a2ee359e70df2a546e060 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 22 Apr 2014 14:57:18 +0000
Subject: [PATCH] * file.c (rb_io_stafs): use statfs(2) if fstatfs(2) is
 unavailable.

* configure.in (fstatfs): check it.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45671 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog    | 6 ++++++
 configure.in | 1 +
 file.c       | 7 ++++++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index d38af7085d..6510e8358c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Tue Apr 22 23:56:24 2014  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* file.c (rb_io_stafs): use statfs(2) if fstatfs(2) is unavailable.
+
+	* configure.in (fstatfs): check it.
+
 Tue Apr 22 23:14:28 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/stringio/stringio.c (strio_write): use rb_str_append to
diff --git a/configure.in b/configure.in
index 44b7e2c3ed..d7a479f4a6 100644
--- a/configure.in
+++ b/configure.in
@@ -1946,6 +1946,7 @@ AC_CHECK_FUNCS(fcntl)
 AC_CHECK_FUNCS(fdatasync)
 AC_CHECK_FUNCS(fmod)
 AC_CHECK_FUNCS(fork)
+AC_CHECK_FUNCS(fstatfs)
 AC_CHECK_FUNCS(fsync)
 AC_CHECK_FUNCS(ftruncate)
 AC_CHECK_FUNCS(ftruncate64)		# used for Win32 platform
diff --git a/file.c b/file.c
index 8fe3796835..a8ac67eb4a 100644
--- a/file.c
+++ b/file.c
@@ -1120,7 +1120,12 @@ rb_io_statfs(VALUE obj)
     struct statfs st;
 
     GetOpenFile(obj, fptr);
-    if (fstatfs(fptr->fd, &st) == -1) {
+#ifdef HAVE_FSTATFS
+    if (fstatfs(fptr->fd, &st) == -1)
+#else
+    if (statfs(RSTRING_PTR(fptr->pathv), &st) == -1)
+#endif
+    {
 	rb_sys_fail_path(fptr->pathv);
     }
     return rb_statfs_new(&st);