Merge from ruby_1_8.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8_7@16119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,17 @@
+Mon Apr 21 10:17:17 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* time.c: should include <errno.h> to refer errno.
+
+Mon Apr 21 10:02:43 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* hash.c (recursive_hash): prototype.
+
+Mon Apr 21 10:00:51 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* time.c (rb_strftime): check errno to detect strftime(3)'s error.
+	  this is workaround for recent version of MSVCRT.
+	  [ruby-dev:34456]
+
 Sun Apr 20 21:02:06 2008  Akinori MUSHA  <knu@iDaemons.org>
 
 	* enumerator.c: Resolve the method every time an enumeration

hash.c

@@ -1607,6 +1607,7 @@ hash_i(key, val, hval)
     return ST_CONTINUE;
 }
 
+static VALUE recursive_hash _((VALUE, VALUE, int));
 static VALUE
 recursive_hash(hash, dummy, recur)
     VALUE hash;

time.c

@@ -13,6 +13,7 @@
 #include "ruby.h"
 #include <sys/types.h>
 #include <time.h>
+#include <errno.h>
 
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
@@ -1776,8 +1777,9 @@ rb_strftime(buf, format, time)
     if (flen == 0) {
 	return 0;
     }
+    errno = 0;
     len = strftime(*buf, SMALLBUF, format, time);
-    if (len != 0 || **buf == '\0') return len;
+    if (len != 0 || (**buf == '\0' && errno != ERANGE)) return len;
     for (size=1024; ; size*=2) {
 	*buf = xmalloc(size);
 	(*buf)[0] = '\0';

version.h

@@ -1,15 +1,15 @@
 #define RUBY_VERSION "1.8.7"
-#define RUBY_RELEASE_DATE "2008-04-20"
+#define RUBY_RELEASE_DATE "2008-04-21"
 #define RUBY_VERSION_CODE 187
-#define RUBY_RELEASE_CODE 20080420
+#define RUBY_RELEASE_CODE 20080421
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8
 #define RUBY_VERSION_TEENY 7
 #define RUBY_RELEASE_YEAR 2008
 #define RUBY_RELEASE_MONTH 4
-#define RUBY_RELEASE_DAY 20
+#define RUBY_RELEASE_DAY 21
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];