From b94f6d148193f91cab50d16e2873095827b89b1b Mon Sep 17 00:00:00 2001
From: amelia squires <ameliasquires@disroot.org>
Date: Wed, 15 Oct 2025 16:50:46 -0500
Subject: better errors and docs

---
 src/lua.h     | 12 +++++++++++-
 src/lullaby.c |  3 +++
 src/lullaby.h | 13 +++++++++++++
 src/net.c     |  3 ++-
 src/net/lua.c |  8 ++------
 src/reg.c     |  4 ++++
 6 files changed, 35 insertions(+), 8 deletions(-)
 create mode 100644 src/lullaby.c
 create mode 100644 src/lullaby.h

(limited to 'src')

diff --git a/src/lua.h b/src/lua.h
index 1d5bea1..8fc934c 100644
--- a/src/lua.h
+++ b/src/lua.h
@@ -7,6 +7,7 @@
 
 #ifndef __lua_h
 #define __lua_h
+
 enum deep_copy_flags {
   SKIP_META = (1 << 0),
   SKIP_GC = (1 << 1),
@@ -81,12 +82,21 @@ void luaI_jointable(lua_State* L);
   lua_settable(L, Tidx);\
   lua_pop(L, 1);}
 
+//in lullaby.h
+extern int _print_errors;
+
 #define luaI_error(L, en, str){\
   lua_pushnil(L);\
   lua_pushstring(L, str);\
+  if(_print_errors) printf("%s\n",str);\
   lua_pushinteger(L, en);\
   return 3;}
-
+#define luaI_assert(L, eq){_helperluaI_assert(L, eq, __FILE__, __LINE__);}
+#define _helperluaI_assert(L, eq, file, line){\
+  if(!(eq)){\
+    char err[1024] = {0};\
+    sprintf(err, "(%s:%i) %s assertion failed", file, line, #eq);\
+    luaI_error(L, -1, err);}}
 
 int writer(lua_State*, const void*, size_t, void*);
 
diff --git a/src/lullaby.c b/src/lullaby.c
new file mode 100644
index 0000000..9033297
--- /dev/null
+++ b/src/lullaby.c
@@ -0,0 +1,3 @@
+#include "lullaby.h"
+
+int _print_errors = 0;
diff --git a/src/lullaby.h b/src/lullaby.h
new file mode 100644
index 0000000..9474a08
--- /dev/null
+++ b/src/lullaby.h
@@ -0,0 +1,13 @@
+#ifndef LULLABY_H
+#define LULLABY_H
+#pragma once
+#include "config.h"
+
+extern int _print_errors;
+
+static struct config lullaby_config[] = {
+  {.name = "print_errors", .type = c_int, .value = {.c_int = &_print_errors}},
+  {.type = c_none}
+};
+
+#endif
diff --git a/src/net.c b/src/net.c
index 71168c0..36b37b9 100644
--- a/src/net.c
+++ b/src/net.c
@@ -1057,7 +1057,8 @@ net_end:
   }
   parray_lclear(paths);
 
-  luaI_error(L, 0, "close eventfd signal");
+  lua_pushnil(L);
+  return 1;
 }
 
 //TODO reformat all of this code and the structs (use more common/generic ones)
diff --git a/src/net/lua.c b/src/net/lua.c
index ab112fe..829c2f7 100644
--- a/src/net/lua.c
+++ b/src/net/lua.c
@@ -221,12 +221,8 @@ int l_sendfile(lua_State* L){
   lua_gettable(L, -2);
   int header = lua_gettop(L);
 
-  if(access(path, F_OK)) {
-    p_fatal("file not found"); //TODO: use diff errors here
-  }
-  if(access(path, R_OK)){
-    p_fatal("missing permissions");
-  }
+  luaI_assert(L, !access(path, F_OK) /*file not found*/);
+  luaI_assert(L, !access(path, R_OK) /*missing permissions*/);
 
   lua_pushstring(L, "Content-Type");
   lua_gettable(L, header);
diff --git a/src/reg.c b/src/reg.c
index 440a6f0..58acc40 100644
--- a/src/reg.c
+++ b/src/reg.c
@@ -7,6 +7,7 @@
 #include "thread.h"
 #include "test.h"
 #include "config.h"
+#include "lullaby.h"
 
 #define open_common(name, config)\
   int luaopen_lullaby_##name (lua_State* L){\
@@ -49,6 +50,9 @@ int luaopen_lullaby(lua_State* L) {
   push(top, test);
   luaI_tsets(L, top, "version", GIT_COMMIT);
 
+  lua_pushvalue(L, top);
+  int idx = i_config_metatable(L, lullaby_config);
+
   lua_settop(L, top); 
   return 1;
 }
-- 
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