suckless/dwm - Unnamed repository; edit this file 'description' to name the repository.

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/*=========================================================================*\ * Unix domain socket * LuaSocket toolkit \*=========================================================================*/ #include "luasocket.h" #include "unixstream.h" #include "unixdgram.h" /*-------------------------------------------------------------------------*\ * Modules and functions \*-------------------------------------------------------------------------*/ static const luaL_Reg mod[] = { {"stream", unixstream_open}, {"dgram", unixdgram_open}, {NULL, NULL} }; static void add_alias(lua_State *L, int index, const char *name, const char *target) { lua_getfield(L, index, target); lua_setfield(L, index, name); } static int compat_socket_unix_call(lua_State *L) { /* Look up socket.unix.stream in the socket.unix table (which is the first * argument). */ lua_getfield(L, 1, "stream"); /* Replace the stack entry for the socket.unix table with the * socket.unix.stream function. */ lua_replace(L, 1); /* Call socket.unix.stream, passing along any arguments. */ int n = lua_gettop(L); lua_call(L, n-1, LUA_MULTRET); /* Pass along the return values from socket.unix.stream. */ n = lua_gettop(L); return n; } /*-------------------------------------------------------------------------*\ * Initializes module \*-------------------------------------------------------------------------*/ LUASOCKET_API int luaopen_socket_unix(lua_State *L) { int i; lua_newtable(L); int socket_unix_table = lua_gettop(L); for (i = 0; mod[i].name; i++) mod[i].func(L); /* Add backwards compatibility aliases "tcp" and "udp" for the "stream" and * "dgram" functions. */ add_alias(L, socket_unix_table, "tcp", "stream"); add_alias(L, socket_unix_table, "udp", "dgram"); /* Add a backwards compatibility function and a metatable setup to call it * for the old socket.unix() interface. */ lua_pushcfunction(L, compat_socket_unix_call); lua_setfield(L, socket_unix_table, "__call"); lua_pushvalue(L, socket_unix_table); lua_setmetatable(L, socket_unix_table); return 1; }


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