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  1.   a9cf54adda1934227a12acce6b51cab4927a6a2a
  2.   0001-support-for-lua-5.3.patch
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From b15794f391547a983c64afed029a883fed3c3c1c Mon Sep 17 00:00:00 2001
From: Matt Domsch <matt@domsch.com>
Date: Sat, 25 Apr 2020 23:04:38 -0500
Subject: [PATCH] support for lua 5.3

---
 miltertest/miltertest.c | 14 +++----
 opendkim/opendkim-lua.c | 82 +++++++++++++++++++++++++----------------
 2 files changed, 58 insertions(+), 38 deletions(-)

diff --git a/miltertest/miltertest.c b/miltertest/miltertest.c
index 04e50c04..37dc601d 100644
--- a/miltertest/miltertest.c
+++ b/miltertest/miltertest.c
@@ -4009,12 +4009,12 @@ main(int argc, char **argv)
 	}
 
 	/* register functions */
-#if LUA_VERSION_NUM == 502
-        luaL_newlib(l, mt_library);
+#if LUA_VERSION_NUM >= 502
+	luaL_newlib(l, mt_library);
 	lua_setglobal(l, "mt");
-#else /* LUA_VERSION_NUM == 502 */
+#else /* LUA_VERSION_NUM >= 502 */
 	luaL_register(l, "mt", mt_library);
-#endif /* LUA_VERSION_NUM == 502 */
+#endif /* LUA_VERSION_NUM >= 502 */
 	lua_pop(l, 1);
 
 	/* register constants */
@@ -4163,13 +4163,13 @@ main(int argc, char **argv)
 	lua_setglobal(l, "SMFIF_SETSYMLIST");
 #endif /* SMFIF_SETSYMLIST */
 
-#if LUA_VERSION_NUM == 502
+#if LUA_VERSION_NUM >= 502
 	switch (lua_load(l, mt_lua_reader, (void *) &io,
 	                 script == NULL ? "(stdin)" : script, NULL))
-#else /* LUA_VERSION_NUM == 502 */
+#else /* LUA_VERSION_NUM >= 502 */
 	switch (lua_load(l, mt_lua_reader, (void *) &io,
 	                 script == NULL ? "(stdin)" : script))
-#endif /* LUA_VERSION_NUM == 502 */
+#endif /* LUA_VERSION_NUM >= 502 */
 	{
 	  case 0:
 		break;
diff --git a/opendkim/opendkim-lua.c b/opendkim/opendkim-lua.c
index 4720862c..3786aa4b 100644
--- a/opendkim/opendkim-lua.c
+++ b/opendkim/opendkim-lua.c
@@ -285,11 +285,11 @@ dkimf_lua_alloc(void *ud, void *ptr, size_t osize, size_t nsize)
 		free(ptr);
 		return NULL;
 	}
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	else if (nsize != 0 && ptr == NULL)
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	else if (nsize != 0 && osize == 0)
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	{
 		return malloc(nsize);
 	}
@@ -485,12 +485,12 @@ dkimf_lua_setup_hook(void *ctx, const char *script, size_t scriptlen,
 	**  Register functions.
 	*/
 
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	luaL_newlib(l, dkimf_lua_lib_setup);
 	lua_setglobal(l, "odkim");
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	luaL_register(l, "odkim", dkimf_lua_lib_setup);
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	lua_pop(l, 1);
 
 	/*
@@ -532,11 +532,11 @@ dkimf_lua_setup_hook(void *ctx, const char *script, size_t scriptlen,
 	/* import other globals */
 	dkimf_import_globals(ctx, l);
 
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name))
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	{
 	  case 0:
 		break;
@@ -564,8 +564,12 @@ dkimf_lua_setup_hook(void *ctx, const char *script, size_t scriptlen,
 		io.lua_io_len = 0;
 		io.lua_io_alloc = 0;
 
+#if LUA_VERSION_NUM >= 503
+		if (lua_dump(l, dkimf_lua_writer, &io, 0) == 0)
+#else
 		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
-		{
+#endif
+	        {
 			*keep = (void *) io.lua_io_script;
 			*funclen = io.lua_io_len;
 		}
@@ -640,12 +644,12 @@ dkimf_lua_screen_hook(void *ctx, const char *script, size_t scriptlen,
 	**  Register functions.
 	*/
 
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	luaL_newlib(l, dkimf_lua_lib_screen);
 	lua_setglobal(l, "odkim");
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	luaL_register(l, "odkim", dkimf_lua_lib_screen);
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	lua_pop(l, 1);
 
 	/*
@@ -677,11 +681,11 @@ dkimf_lua_screen_hook(void *ctx, const char *script, size_t scriptlen,
 	/* import other globals */
 	dkimf_import_globals(ctx, l);
 
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name))
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	{
 	  case 0:
 		break;
@@ -709,7 +713,11 @@ dkimf_lua_screen_hook(void *ctx, const char *script, size_t scriptlen,
 		io.lua_io_len = 0;
 		io.lua_io_alloc = 0;
 
+#if LUA_VERSION_NUM >= 503
+		if (lua_dump(l, dkimf_lua_writer, &io, 0) == 0)
+#else		  
 		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
+#endif
 		{
 			*keep = (void *) io.lua_io_script;
 			*funclen = io.lua_io_len;
@@ -785,12 +793,12 @@ dkimf_lua_stats_hook(void *ctx, const char *script, size_t scriptlen,
 	**  Register functions.
 	*/
 
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	luaL_newlib(l, dkimf_lua_lib_stats);
 	lua_setglobal(l, "odkim");
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	luaL_register(l, "odkim", dkimf_lua_lib_stats);
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	lua_pop(l, 1);
 
 	/*
@@ -914,11 +922,11 @@ dkimf_lua_stats_hook(void *ctx, const char *script, size_t scriptlen,
 	/* import other globals */
 	dkimf_import_globals(ctx, l);
 
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name))
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	{
 	  case 0:
 		break;
@@ -946,7 +954,11 @@ dkimf_lua_stats_hook(void *ctx, const char *script, size_t scriptlen,
 		io.lua_io_len = 0;
 		io.lua_io_alloc = 0;
 
+#if LUA_VERSION_NUM >= 503
+		if (lua_dump(l, dkimf_lua_writer, &io, 0) == 0)
+#else
 		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
+#endif
 		{
 			*keep = (void *) io.lua_io_script;
 			*funclen = io.lua_io_len;
@@ -1022,12 +1034,12 @@ dkimf_lua_final_hook(void *ctx, const char *script, size_t scriptlen,
 	**  Register functions.
 	*/
 
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	luaL_newlib(l, dkimf_lua_lib_final);
 	lua_setglobal(l, "odkim");
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	luaL_register(l, "odkim", dkimf_lua_lib_final);
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	lua_pop(l, 1);
 
 	/*
@@ -1151,11 +1163,11 @@ dkimf_lua_final_hook(void *ctx, const char *script, size_t scriptlen,
 	/* import other globals */
 	dkimf_import_globals(ctx, l);
 
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name, NULL))
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, name))
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	{
 	  case 0:
 		break;
@@ -1183,7 +1195,11 @@ dkimf_lua_final_hook(void *ctx, const char *script, size_t scriptlen,
 		io.lua_io_len = 0;
 		io.lua_io_alloc = 0;
 
+#if LUA_VERSION_NUM >= 503
+		if (lua_dump(l, dkimf_lua_writer, &io, 0) == 0)
+#else
 		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
+#endif		
 		{
 			*keep = (void *) io.lua_io_script;
 			*funclen = io.lua_io_len;
@@ -1252,11 +1268,11 @@ dkimf_lua_db_hook(const char *script, size_t scriptlen, const char *query,
 		lua_pushstring(l, query);
 	lua_setglobal(l, "query");
 
-# if LUA_VERSION_NUM == 502
+# if LUA_VERSION_NUM >= 502
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, script, NULL))
-# else /* LUA_VERSION_NUM == 502 */
+# else /* LUA_VERSION_NUM >= 502 */
 	switch (lua_load(l, dkimf_lua_reader, (void *) &io, script))
-# endif /* LUA_VERSION_NUM == 502 */
+# endif /* LUA_VERSION_NUM >= 502 */
 	{
 	  case 0:
 		break;
@@ -1284,7 +1300,11 @@ dkimf_lua_db_hook(const char *script, size_t scriptlen, const char *query,
 		io.lua_io_len = 0;
 		io.lua_io_alloc = 0;
 
+#if LUA_VERSION_NUM >= 503
+		if (lua_dump(l, dkimf_lua_writer, &io, 0) == 0)
+#else
 		if (lua_dump(l, dkimf_lua_writer, &io) == 0)
+#endif
 		{
 			*keep = (void *) io.lua_io_script;
 			*funclen = io.lua_io_len;
-- 
2.25.4
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