tarui	2011-04-21 01:15:35 +0900 (Thu, 21 Apr 2011)

  New Revision: 31314

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=31314

  Log:
    * win32/win32.c (CreateChild): maximum length of lpCommandLine is
      32,768 characters, including the Unicode terminating null character.

  Modified files:
    trunk/ChangeLog
    trunk/win32/win32.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 31313)
+++ ChangeLog	(revision 31314)
@@ -1,3 +1,8 @@
+Thu Apr 21 01:01:28 2011  Masaya Tarui  <tarui@r...>
+
+	* win32/win32.c (CreateChild): maximum length of lpCommandLine is
+	  32,768 characters, including the Unicode terminating null character.
+	
 Wed Apr 20 21:32:11 2011  Tadayoshi Funaba  <tadf@d...>
 
 	* ext/date/date_strptime.c (date__strptime_internal): do not
Index: win32/win32.c
===================================================================
--- win32/win32.c	(revision 31313)
+++ win32/win32.c	(revision 31314)
@@ -1060,6 +1060,12 @@
 
     dwCreationFlags = (NORMAL_PRIORITY_CLASS);
 
+    if (lstrlenW(cmd) > 32767) {
+	child->pid = 0;		/* release the slot */
+	errno = E2BIG;
+	return NULL;
+    }
+
     RUBY_CRITICAL({
 	fRet = CreateProcessW(prog, (WCHAR *)cmd, psa, psa,
 			      psa->bInheritHandle, dwCreationFlags, NULL, NULL,

--
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