* io.c (io_fwrite): adjust stdio file position after direct write on

  BSDish platforms.   [ruby-core:26300]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@25485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

4 files changed, 34 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index 3221562ea5..f1512309c4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Oct 26 12:06:27 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (io_fwrite): adjust stdio file position after direct write on
+	  BSDish platforms.   [ruby-core:26300]
+
 Sun Oct 25 20:04:35 2009  Akinori MUSHA  <knu@iDaemons.org>
 
 	* object.c (rb_class_initialize): The inherited hook should be run
diff --git a/io.c b/io.c
index d45d448e1b..d136c76cf6 100644
--- a/io.c
+++ b/io.c
@@ -37,6 +37,14 @@
 # define USE_SETVBUF
 #endif
 
+#ifndef BSD_STDIO
+# if defined(__MACH__) || defined(__DARWIN__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__bsdi__)
+#   define BSD_STDIO 1
+# else
+#   define BSD_STDIO 0
+# endif
+#endif
+
 #ifdef __QNXNTO__
 #include "unix.h"
 #endif
@@ -481,6 +489,9 @@ io_fwrite(str, fptr)
         TRAP_BEG;
 	r = write(fileno(f), RSTRING(str)->ptr+offset, l);
         TRAP_END;
+#if BSD_STDIO
+	fseeko(f, lseek(fileno(f), (off_t)0, SEEK_CUR), SEEK_SET);
+#endif
         if (r == n) return len;
         if (0 <= r) {
             offset += r;
diff --git a/test/ruby/test_io.rb b/test/ruby/test_io.rb
index 7137b5f772..feab552582 100644
--- a/test/ruby/test_io.rb
+++ b/test/ruby/test_io.rb
@@ -34,4 +34,19 @@ class TestIO < Test::Unit::TestCase
     t.close
     assert_raise(IOError) {t.binmode}
   end
+
+  def test_pos
+    t = make_tempfile
+
+    open(t.path, IO::RDWR|IO::CREAT|IO::TRUNC, 0600) do |f|
+      f.write "Hello"
+      assert_equal(5, f.pos)
+    end
+    open(t.path, IO::RDWR|IO::CREAT|IO::TRUNC, 0600) do |f|
+      f.sync = true
+      f.read
+      f.write "Hello"
+      assert_equal(5, f.pos)
+    end
+  end
 end
diff --git a/version.h b/version.h
index 4756e4b0ad..36f3f7b5a0 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.8.8"
-#define RUBY_RELEASE_DATE "2009-10-25"
+#define RUBY_RELEASE_DATE "2009-10-26"
 #define RUBY_VERSION_CODE 188
-#define RUBY_RELEASE_CODE 20091025
+#define RUBY_RELEASE_CODE 20091026
 #define RUBY_PATCHLEVEL -1
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 8
 #define RUBY_RELEASE_YEAR 2009
 #define RUBY_RELEASE_MONTH 10
-#define RUBY_RELEASE_DAY 25
+#define RUBY_RELEASE_DAY 26
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];