static int pushline(Lua.LuaState L, int firstline)
{
Lua.CharPtr buffer = new char[Lua.LUA_MAXINPUT];
Lua.CharPtr b = new Lua.CharPtr(buffer);
int l;
Lua.CharPtr prmt = get_prompt(L, firstline);
if (!Lua.lua_readline(L, b, prmt))
{
return(0); /* no input */
}
l = Lua.strlen(b);
if (l > 0 && b[l - 1] == '\n') /* line ends with newline? */
{
b[l - 1] = '\0'; /* remove it */
}
if ((firstline != 0) && (b[0] == '=')) /* first line starts with `=' ? */
{
Lua.lua_pushfstring(L, "return %s", b + 1); /* change it to `return' */
}
else
{
Lua.lua_pushstring(L, b);
}
Lua.lua_freeline(L, b);
return(1);
}