naruse	2010-11-23 01:06:38 +0900 (Tue, 23 Nov 2010)

  New Revision: 29873

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=29873

  Log:
    * vsnprintf.c (BSD_vfprintf): don't output floating point
      when the precision is 0. [ruby-dev:42615]

  Modified files:
    trunk/ChangeLog
    trunk/test/ruby/test_sprintf.rb
    trunk/vsnprintf.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 29872)
+++ ChangeLog	(revision 29873)
@@ -1,3 +1,8 @@
+Tue Nov 23 01:05:27 2010  NARUSE, Yui  <naruse@r...>
+
+	* vsnprintf.c (BSD_vfprintf): don't output floating point
+	  when the precision is 0. [ruby-dev:42615]
+
 Mon Nov 22 21:30:57 2010  Nobuyoshi Nakada  <nobu@r...>
 
 	* string.c (rb_str_inspect): fix for ascii-compatible external
Index: vsnprintf.c
===================================================================
--- vsnprintf.c	(revision 29872)
+++ vsnprintf.c	(revision 29873)
@@ -790,7 +790,7 @@
 #ifdef FLOATING_POINT
 		case 'a':
 		case 'A':
-			if (prec >= 0) {
+			if (prec > 0) {
 				flags |= ALT;
 				prec++;
 			}
Index: test/ruby/test_sprintf.rb
===================================================================
--- test/ruby/test_sprintf.rb	(revision 29872)
+++ test/ruby/test_sprintf.rb	(revision 29873)
@@ -190,7 +190,7 @@
                  sprintf("%20.0f", 36893488147419107329.0))
     assert_equal(" Inf", sprintf("% 0e", 1.0/0.0), "moved from btest/knownbug")
     assert_equal("       -0.", sprintf("%#10.0f", -0.5), "[ruby-dev:42552]")
-    assert_equal("0x1.p+2",   sprintf('%.0a', Float('0x1.fp+1')),   "[ruby-dev:42551]")
+    assert_equal("0x1p+2",   sprintf('%.0a', Float('0x1.fp+1')),   "[ruby-dev:42551]")
     assert_equal("-0x1.0p+2", sprintf('%.1a', Float('-0x1.ffp+1')), "[ruby-dev:42551]")
   end
 

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