* object.c (rb_cstr_to_dbl): should clear errno before calling

  strtod(3).  [ruby-dev:34834]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16571 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 8fbebd7b1f..022756d010 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat May 24 22:32:49 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* object.c (rb_cstr_to_dbl): should clear errno before calling
+	  strtod(3).  [ruby-dev:34834]
+
 Sat May 24 15:26:16 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* compile.c (iseq_set_exception_table, NODE_WHILE, NODE_NEXT): remove
diff --git a/object.c b/object.c
index c1c60714e2..dca59471ce 100644
--- a/object.c
+++ b/object.c
@@ -2045,6 +2045,7 @@ rb_cstr_to_dbl(const char *p, int badcheck)
     if (!p) return 0.0;
     q = p;
     while (ISSPACE(*p)) p++;
+    errno = 0;
     d = strtod(p, &end);
     if (errno == ERANGE) {
 	OutOfRange();