fix logic

src/lua_rds.c

@@ -12,7 +12,7 @@ uint8_t init_lua(RDSEncoder* _enc) {
     enc = _enc;
     L = luaL_newstate();
     printf("Initializing %s\n", LUA_COPYRIGHT);
-    if(L == NULL) return 0;
+    if(L == NULL) return 1;
 
     luaL_requiref(L, "_G", luaopen_base, 1);
     luaL_requiref(L, LUA_STRLIBNAME, luaopen_string, 1);
@@ -152,7 +152,7 @@ uint8_t init_lua(RDSEncoder* _enc) {
     if (luaL_loadfile(L, "/etc/rds95.lua") != LUA_OK) {
         fprintf(stderr, "Lua error loading file: %s\n", lua_tostring(L, -1));
         lua_pop(L, 1);
-        return 0;
+        return 2;
     } else {
         if (lua_pcall(L, 0, 0, 0) != LUA_OK) {
             printf("Init error: %s\n", lua_tostring(L, -1));
@@ -164,7 +164,7 @@ uint8_t init_lua(RDSEncoder* _enc) {
         mutex_initialized = 1;
     }
 
-    return 1;
+    return 0;
 }
 
 void run_lua(char *str, size_t str_len, char *cmd_output, size_t *out_len) {

src/rds95.c

@@ -169,9 +169,13 @@ int main(int argc, char **argv) {
 	RDSModulator rdsModulator = {0};
 	
 	RDSEncoder rdsEncoder = {0};
-    if(init_lua(&rdsEncoder) == 1) {
+	uint8_t err = init_lua(&rdsEncoder);
+    if(err == 1) {
 		fprintf(stderr, "Could not create lua state - not enough memory\n");
 		goto exit;
+	} else if (err == 2) {
+		fprintf(stderr, "Could not load lua script file\n");
+		goto exit;
 	}
 	init_rds_modulator(&rdsModulator, &rdsEncoder, config.num_streams);
 	init_rds_encoder(&rdsEncoder);