From cd6644ea4ddc78597934ab0ef5ba50e3c3daa927 Mon Sep 17 00:00:00 2001 From: Mitja Felicijan Date: Sat, 8 Jul 2023 23:25:41 +0200 Subject: Moved to a simpler SSG --- content/notes/extend-lua-with-custom-c.md | 54 ------------------------------- 1 file changed, 54 deletions(-) delete mode 100644 content/notes/extend-lua-with-custom-c.md (limited to 'content/notes/extend-lua-with-custom-c.md') diff --git a/content/notes/extend-lua-with-custom-c.md b/content/notes/extend-lua-with-custom-c.md deleted file mode 100644 index 44089e0..0000000 --- a/content/notes/extend-lua-with-custom-c.md +++ /dev/null @@ -1,54 +0,0 @@ ---- -title: Extend Lua with custom C functions using Clang -url: extend-lua-with-custom-c.html -date: 2023-05-23T12:00:00+02:00 -type: notes -draft: false -tags: [lua, c] ---- - -Here is a boilerplate for extending Lua with custom C functions. This requires -Clang and Lua 5.1 to be installed. GCC can be used instead of Clang, but the -Makefile will need to be modified. - -- nativefunc.c - - ```c - #include - #include - - static int l_mult50(lua_State *L) { - double number = luaL_checknumber(L, 1); - lua_pushnumber(L, number * 50); - return 1; - } - - int luaopen_nativefunc(lua_State *L) { - static const struct luaL_Reg nativeFuncLib[] = {{"mult50", l_mult50}, {NULL, NULL}}; - - luaL_register(L, "nativelib", nativeFuncLib); - return 1; - } - ``` - -- main.lua - - ```lua - require "nativefunc" - print(nativelib.mult50(50)) - ``` - -- Makefile - - ```Makefile - CC = clang - CFLAGS = - INCLUDES = `pkg-config lua5.1 --cflags-only-I` - - all: - $(CC) -shared -o nativefunc.so -fPIC nativefunc.c $(CFLAGS) $(INCLUDES) - - clean: - rm *.so - ``` - -- cgit v1.2.3