merges r26052 from trunk into ruby_1_9_1.

--
* string.c (rb_str_justify): fixed the case a fill size is a
  multiple of the length of the padding.  [ruby-dev:39856]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@26568 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

4 files changed, 15 insertions, 3 deletions

diff --git a/ChangeLog b/ChangeLog
index c6c5584522..2b7247a81b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Dec  9 09:50:35 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* string.c (rb_str_justify): fixed the case a fill size is a
+	  multiple of the length of the padding.  [ruby-dev:39856]
+
 Sat Oct 31 17:19:28 2009  NAKAMURA, Hiroshi  <nahi@ruby-lang.org>
 
 	* lib/net/http.rb (Net::HTTPResponse#each_response_header):
diff --git a/string.c b/string.c
index 33f1646372..8a8835eca5 100644
--- a/string.c
+++ b/string.c
@@ -6515,7 +6515,7 @@ rb_str_justify(int argc, VALUE *argv, VALUE str, char jflag)
        p += llen;
     }
     else {
-       while (llen > fclen) {
+       while (llen >= fclen) {
 	    memcpy(p,f,flen);
 	    p += flen;
 	    llen -= fclen;
@@ -6532,7 +6532,7 @@ rb_str_justify(int argc, VALUE *argv, VALUE str, char jflag)
        p += rlen;
     }
     else {
-       while (rlen > fclen) {
+       while (rlen >= fclen) {
 	    memcpy(p,f,flen);
 	    p += flen;
 	    rlen -= fclen;
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb
index 7e9176e507..a14385e4fc 100644
--- a/test/ruby/test_string.rb
+++ b/test/ruby/test_string.rb
@@ -320,9 +320,12 @@ class TestString < Test::Unit::TestCase
    
   end
 
+  Bug2463 = '[ruby-dev:39856]'
   def test_center
     assert_equal(S("hello"),       S("hello").center(4))
     assert_equal(S("   hello   "), S("hello").center(11))
+    assert_equal(S("ababaababa"), S("").center(10, "ab"), Bug2463)
+    assert_equal(S("ababaababab"), S("").center(11, "ab"), Bug2463)
   end
 
   def test_chomp
@@ -779,6 +782,8 @@ class TestString < Test::Unit::TestCase
   def test_ljust
     assert_equal(S("hello"),       S("hello").ljust(4))
     assert_equal(S("hello      "), S("hello").ljust(11))
+    assert_equal(S("ababababab"), S("").ljust(10, "ab"), Bug2463)
+    assert_equal(S("abababababa"), S("").ljust(11, "ab"), Bug2463)
   end
 
   def test_next
@@ -917,6 +922,8 @@ class TestString < Test::Unit::TestCase
   def test_rjust
     assert_equal(S("hello"), S("hello").rjust(4))
     assert_equal(S("      hello"), S("hello").rjust(11))
+    assert_equal(S("ababababab"), S("").rjust(10, "ab"), Bug2463)
+    assert_equal(S("abababababa"), S("").rjust(11, "ab"), Bug2463)
   end
 
   def test_scan
diff --git a/version.h b/version.h
index 6fb8758400..af4d5adf40 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.1"
-#define RUBY_PATCHLEVEL 418
+#define RUBY_PATCHLEVEL 419
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1