From 19afaa2feedaa6ec1e1774174ce752e7f2583484 Mon Sep 17 00:00:00 2001
From: ame <ameliasquires@disroot.org>
Date: Fri, 1 Aug 2025 14:25:07 -0500
Subject: change stream modes

---
 library/lullaby/common.lua | 5 +++--
 src/lua.c                  | 7 ++++++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/library/lullaby/common.lua b/library/lullaby/common.lua
index 936feb9..96be2d6 100644
--- a/library/lullaby/common.lua
+++ b/library/lullaby/common.lua
@@ -9,8 +9,9 @@ meta.stream = {}
 ---sends the rest of a streams contents to a file
 ---@param T stream
 ---@param filename string
----@param bytes integer? max amount to read before stopping
-function meta.stream.file(T, filename, bytes) end
+---@param bytes integer? max amount to read before stopping, 0 if nil
+---@param mode string? what mode to open the file, w if nil
+function meta.stream.file(T, filename, bytes, mode) end
 
 ---reads bytes from a stream
 ---@param T stream
diff --git a/src/lua.c b/src/lua.c
index 3d35858..ef3c032 100644
--- a/src/lua.c
+++ b/src/lua.c
@@ -59,10 +59,15 @@ int _stream_file(lua_State* L){
   const int CHUNK_SIZE = 4096;
   uint64_t maxlen = 0;
   uint64_t totallen = 0;
+  const char* mode = "w";
   if(lua_gettop(L) > 2){
     maxlen = lua_tointeger(L, 3);
   }
 
+  if(lua_gettop(L) > 3){
+    mode = lua_tostring(L, 4);
+  }
+
   lua_pushstring(L, "_read");
   lua_gettable(L, 1);
   stream_read_function rf = lua_touserdata(L, -1);
@@ -73,7 +78,7 @@ int _stream_file(lua_State* L){
 
   const char* filename = lua_tostring(L, 2);
   FILE *f;
-  f = fopen(filename, "w");
+  f = fopen(filename, mode);
   if(f == NULL){
     luaI_error(L, -1, "unable to open file");
   }
-- 
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