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Re: [Libguestfs] [PATCH 3/3] Add ifdefs for Lua 5.2 compatibility



On Thu, Dec 13, 2012 at 08:44:40PM +0100, Hilko Bengen wrote:
> ---
>  generator/lua.ml |   16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/generator/lua.ml b/generator/lua.ml
> index 7461cbd..3626ce8 100644
> --- a/generator/lua.ml
> +++ b/generator/lua.ml
> @@ -48,6 +48,10 @@ let generate_lua_c () =
>  #include <lua.h>
>  #include <lauxlib.h>
>  
> +#if LUA_VERSION_NUM >= 502
> +#define lua_objlen lua_rawlen
> +#endif
> +
>  #include <guestfs.h>
>  
>  #define GUESTFS_LUA_HANDLE \"guestfs handle\"
> @@ -904,11 +908,19 @@ luaopen_guestfs (lua_State *L)
>  
>    /* Create metatable. */
>    luaL_newmetatable (L, GUESTFS_LUA_HANDLE);
> +#if LUA_VERSION_NUM >= 502
> +  luaL_setfuncs (L, metamethods, 0);
> +#else
>    luaL_register (L, NULL, metamethods);
> +#endif
>  
>    /* Create methods table. */
>    lua_newtable (L);
> +#if LUA_VERSION_NUM >= 502
> +  luaL_setfuncs (L, methods, 0);
> +#else
>    luaL_register (L, NULL, methods);
> +#endif
>  
>    /* Set __index field of metatable to point to methods table. */
>    lua_setfield (L, -2, \"__index\");
> @@ -918,7 +930,11 @@ luaopen_guestfs (lua_State *L)
>  
>    /* Create module functions table. */
>    lua_newtable (L);
> +#if LUA_VERSION_NUM >= 502
> +  luaL_setfuncs (L, functions, 0);
> +#else
>    luaL_register (L, NULL, functions);
> +#endif
>  
>    /* Globals in the module namespace. */
>    lua_pushliteral (L, \"event_all\");
> -- 

ACK, as far as I can tell.

Rich.

-- 
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