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#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#define RCLUAPATH "/lib/rc/lua"
int load_rclibs(lua_State *L)
{
int err = luaL_loadstring(L, "package.path = package.path..\";" RCLUAPATH "/?.lua\"\n"
"require(\"e\")\n")
|| lua_pcall(L, 0, 0, 0);
if (err) {
fprintf(stderr, "error loading libs: %s\n",
lua_tostring(L, -1));
lua_pop(L, 1);
return -1;
}
}
int runfile(lua_State *L, const char *filename)
{
int err;
err = luaL_loadfile(L, filename)
|| lua_pcall(L, 0, 0, 0);
if (err) {
fprintf(stderr, "%s", lua_tostring(L, -1));
lua_pop(L, 1);
}
return(err);
}
int main(int argc, char *argv[])
{
int err;
lua_State *L = lua_open();
char *filename = NULL;
char *func = NULL;
luaL_openlibs(L);
if (argc > 1)
filename = argv[1];
if (argc > 2)
func = argv[2];
if (load_rclibs(L) != 0)
return 1;
err = runfile(L, filename);
if (err || func == NULL)
return err;
lua_getglobal(L, func);
if (lua_pcall(L, 0, 1, 0) != 0) {
fprintf(stderr, "error running function '%s': %s\n", func,
lua_tostring(L, -1));
return -1;
}
err = lua_toboolean(L, -1);
lua_close(L);
return !err;
}
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