Fix Lua 5.3 compatibility code.

If Lua 5.3 is compiled with LUA_COMPAT_5_2 defined, the luaL_checkunsigned compatibility macro is already defined in lauxlib.h. Signed-off-by: Thomas Moschny <thomas.moschny@gmx.de>

Fix Lua 5.3 compatibility code.
4b217ee0 · Thomas Moschny · Stéphane Graber · d5cd100b · 4b217ee0
Commit 4b217ee0 authored Apr 26, 2015 by Thomas Moschny Committed by Stéphane Graber Aug 14, 2015
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core.c src/lua-lxc/core.c +2 -0

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--- a/src/lua-lxc/core.c
+++ b/src/lua-lxc/core.c
@@ -39,8 +39,10 @@
 #endif

 #if LUA_VERSION_NUM >= 503
+#ifndef luaL_checkunsigned
 #define luaL_checkunsigned(L,n) ((lua_Unsigned)luaL_checkinteger(L,n))
 #endif
+#endif

 #ifdef NO_CHECK_UDATA
 #define checkudata(L,i,tname)	lua_touserdata(L, i)