naruse	2012-02-26 05:37:15 +0900 (Sun, 26 Feb 2012)

  New Revision: 34817

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=34817

  Log:
    * error.c (report_bug): use buf and snprintf to avoid consuming stack.
      [ruby-dev:45272] [Bug #6058]

  Modified files:
    trunk/ChangeLog
    trunk/error.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 34816)
+++ ChangeLog	(revision 34817)
@@ -1,3 +1,8 @@
+Sun Feb 26 05:35:43 2012  NARUSE, Yui  <naruse@r...>
+
+	* error.c (report_bug): use buf and snprintf to avoid consuming stack.
+	  [ruby-dev:45272] [Bug #6058]
+
 Sat Feb 25 17:41:19 2012  Tanaka Akira  <akr@f...>
 
 	* ext/dbm/extconf.rb (headers): try ambiguous headers at last.
Index: error.c
===================================================================
--- error.c	(revision 34816)
+++ error.c	(revision 34817)
@@ -260,9 +260,12 @@
 	(ssize_t)fwrite(buf, 1, len, (out = stdout)) == (ssize_t)len) {
 
 	fputs("[BUG] ", out);
-	vfprintf(out, fmt, args);
-	fprintf(out, "\n%s\n\n", ruby_description);
+	vsnprintf(buf, 256, fmt, args);
+	fputs(buf, out);
+	snprintf(buf, 256, "\n%s\n\n", ruby_description);
+	fputs(buf, out);
 
+
 	rb_vm_bugreport();
 
 	fprintf(out, REPORTBUG_MSG);

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