File source-lua-fix-bad-compare.patch of Package texlive

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File source-lua-fix-bad-compare.patch of Package texlive

From bcac61bbec874191c5efa748be5246e0a6835d38 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Br=C3=BCns?= <stefan.bruens@rwth-aachen.de>
Date: Sat, 22 Dec 2018 03:37:33 +0100
Subject: [PATCH] Fix tautological (always false) compare

The current code compares the PDF document change counter with itself, which
is always false. Compare change counter of the wrapped document with the
counter of the wrapper instead.

---
 luatexdir/lua/lepdflib.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/texk/web2c/luatexdir/lua/lepdflib.cc b/texk/web2c/luatexdir/lua/lepdflib.cc
index 795550e..63fcc11 100644
--- a/texk/web2c/luatexdir/lua/lepdflib.cc
+++ b/texk/web2c/luatexdir/lua/lepdflib.cc
@@ -1966,7 +1966,7 @@ static int m_Object_arrayAdd(lua_State * L)
     if (uin->pd != NULL && uobj->pd != NULL && uin->pd != uobj->pd)
         pdfdoc_differs_error(L);
     if ((uin->pd != NULL && uin->pd->pc != uin->pc)
-        || (uobj->pd != NULL && uobj->pd->pc != uobj->pd->pc))
+        || (uobj->pd != NULL && uobj->pd->pc != uobj->pc))
         pdfdoc_changed_error(L);
     if (!((Object *) uin->d)->isArray())
         luaL_error(L, "Object is not an Array");
@@ -2047,7 +2047,7 @@ static int m_Object_dictAdd(lua_State * L)
     if (uin->pd != NULL && uobj->pd != NULL && uin->pd != uobj->pd)
         pdfdoc_differs_error(L);
     if ((uin->pd != NULL && uin->pd->pc != uin->pc)
-        || (uobj->pd != NULL && uobj->pd->pc != uobj->pd->pc))
+        || (uobj->pd != NULL && uobj->pd->pc != uobj->pc))
         pdfdoc_changed_error(L);
     if (!((Object *) uin->d)->isDict())
         luaL_error(L, "Object is not a Dict");
@@ -2065,7 +2065,7 @@ static int m_Object_dictSet(lua_State * L)
     if (uin->pd != NULL && uobj->pd != NULL && uin->pd != uobj->pd)
         pdfdoc_differs_error(L);
     if ((uin->pd != NULL && uin->pd->pc != uin->pc)
-        || (uobj->pd != NULL && uobj->pd->pc != uobj->pd->pc))
+        || (uobj->pd != NULL && uobj->pd->pc != uobj->pc))
         pdfdoc_changed_error(L);
     if (!((Object *) uin->d)->isDict())
         luaL_error(L, "Object is not a Dict");
-- 
2.19.2

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File source-lua-fix-bad-compare.patch of Package texlive

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