From 2465d2d3af2612998dfc2318564b4788f2e4bd94 Mon Sep 17 00:00:00 2001
From: Dirk Engling <erdgeist@erdgeist.org>
Date: Fri, 15 May 2015 00:50:33 +0200
Subject: implement the zip code override

---
 src/export/split_version_2.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

(limited to 'src/export')

diff --git a/src/export/split_version_2.c b/src/export/split_version_2.c
index 4a5d1b8..64c3eee 100644
--- a/src/export/split_version_2.c
+++ b/src/export/split_version_2.c
@@ -52,9 +52,9 @@
 enum { g_outfiles = 17 };
 static enum { CD_NO = 0, CD_S = 1, CD_W = 2 } g_cd;
 static int g_outfilemap[3][29] = {
-  {-1,-1,-1, 0,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,11, 6,-1,16, 5,13,12, 8,10, 3, 9,-1,-1, 7,14 },
-  {-1,-1,-1, 0,-1,-1,-1,-1,-1,-1,-1,-1,11,-1, 6, 5,-1,-1,16, 8,10,11, 3, 9,13,-1,12, 7,14 },
-  {-1,-1,-1, 0,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,13, 6,16, 5, 8,10, 3, 9,12,-1,-1,11, 7,14 }
+  {-1,-1,-1, 0,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,11, 6,-1,16, 5,13,12, 8,10, 1, 9,-1,-1, 7,14 },
+  {-1,-1,-1, 0,-1,-1,-1,-1,-1,-1,-1,-1,11,-1, 6, 5,-1,-1,16, 8,10,11, 1, 9,13,-1,12, 7,14 },
+  {-1,-1,-1, 0,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,13, 6,16, 5, 8,10, 1, 9,12,-1,-1,11, 7,14 }
 };
 
 static struct {
@@ -117,15 +117,18 @@ static void dump_primary( uint8_t *end, uint32_t flags ) {
      if this is the first line of a continuation.
   */
 
-  /* Dump first 5 chars of zip, they're always there */
-  dump_string( end -= 5, 5, 1 );
+  /* Dump first 5 chars of zip, they're always there. The extra
+     zip overrides if flag is set */
+  end -= 5;
+  if( !(flags & 0x0080) )
+    dump_string( end, 5, 1 );
 
   /* Dump first 5 chars of prefix, they're always here in s and w */
   if( g_cd != CD_NO )
     dump_string( end -= 5, 5, 2 );
 
-  /* There is another version of the zip code present, if this bit is set */
-  if( flags & 0x0080 ) dump_string( end -= 5, 5, 3 );
+  /* There is an override version of the zip code present, if this bit is set */
+  if( flags & 0x0080 ) dump_string( end -= 5, 5, 1 );
 
   /* There is an unclear X present, if this bit is set */
   if( flags & 0x0040 ) dump_string( end -= 1, 1, 4 );
-- 
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