3 files changed, 6 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index db3b79074d..ad1d97cc6c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Jun  8 06:02:11 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* io.c (fptr_finalize): clear errno first.  [ruby-talk:284492]
+
 Sun Jun  8 05:59:36 2008  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* lib/date.rb: don't freeze nil even if 1.8 will not be aware of
diff --git a/io.c b/io.c
index 088b678c51..62fafbe594 100644
--- a/io.c
+++ b/io.c
@@ -2169,6 +2169,7 @@ fptr_finalize(fptr, noraise)
 {
     int n1 = 0, n2 = 0, f1, f2 = -1;
 
+    errno = 0;
     if (fptr->f2) {
 	f2 = fileno(fptr->f2);
 	while (n2 = 0, fflush(fptr->f2) < 0) {
diff --git a/version.h b/version.h
index eacb4482c3..45ce1a13a3 100644
--- a/version.h
+++ b/version.h
@@ -2,7 +2,7 @@
 #define RUBY_RELEASE_DATE "2008-06-08"
 #define RUBY_VERSION_CODE 186
 #define RUBY_RELEASE_CODE 20080608
-#define RUBY_PATCHLEVEL 163
+#define RUBY_PATCHLEVEL 164
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8