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From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Fri, 13 Dec 2013 18:24:36 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
Subject: svn commit: r259321 - stable/9/contrib/gperf/src
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Author: pfg
Date: Fri Dec 13 18:24:36 2013
New Revision: 259321
URL: http://svnweb.freebsd.org/changeset/base/259321

Log:
  MFC	r258115 (partial);
  
  gperf: bring a small update from Apple Developers tools 4.4
  
  From [1]
  
  offset.patch
  Makes use the C offsetof() macro.
  
  We are not merging the size_type.patch as it raises some
  (apparently) bogus warnings and is not really used.
  
  [1] http://opensource.apple.com/source/gperf/gperf-9/patches/

Modified:
  stable/9/contrib/gperf/src/output.cc
Directory Properties:
  stable/9/   (props changed)
  stable/9/contrib/gperf/   (props changed)

Modified: stable/9/contrib/gperf/src/output.cc
==============================================================================
--- stable/9/contrib/gperf/src/output.cc	Fri Dec 13 18:23:14 2013	(r259320)
+++ stable/9/contrib/gperf/src/output.cc	Fri Dec 13 18:24:36 2013	(r259321)
@@ -1106,9 +1106,7 @@ output_keyword_entry (KeywordExt *temp, 
   if (option[TYPE])
     printf ("{");
   if (option[SHAREDLIB])
-    printf ("(int)(long)&((struct %s_t *)0)->%s_str%d",
-            option.get_stringpool_name (), option.get_stringpool_name (),
-            stringpool_index);
+    printf("offsetof(struct %s_t, %s_str%d)", option.get_stringpool_name (), option.get_stringpool_name (), stringpool_index);
   else
     output_string (temp->_allchars, temp->_allchars_length);
   if (option[TYPE])
@@ -2035,8 +2033,11 @@ Output::output ()
       printf ("%s\n", _struct_decl);
     }
 
-  if (option[INCLUDE])
+  if (option[INCLUDE]) {
     printf ("#include <string.h>\n"); /* Declare strlen(), strcmp(), strncmp(). */
+    if (option[SHAREDLIB])
+      printf("#include <stddef.h>\n"); /* Declare offsetof() */
+  }
 
   if (!option[ENUM])
     {