From 4676bb3a05d89bb3c282da2ed8b2072e163093ff Mon Sep 17 00:00:00 2001
From: Sunil Nimmagadda <sunil@nimmagadda.net>
Date: Sat, 24 Oct 2026 10:12:51 +0530
Subject: Multi return values instead of a table.

---
 mkelf.lua | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/mkelf.lua b/mkelf.lua
index 3775956..6edeebb 100644
--- a/mkelf.lua
+++ b/mkelf.lua
@@ -11,9 +11,9 @@ local function usage()
 end
 
 ---@param fn string|nil
----@return {header: Header, sections: Section[], segments: Segment[]}
+---@return Header, Segment[], Section[]
 local function loadconfig(fn)
-    local spec = {}
+    local header, segments, sections = {}, {}, {}
     local env = {
         -- Keep in sync with types/elf.d.lua
         Class = elf.Class,
@@ -25,16 +25,16 @@ local function loadconfig(fn)
         SegmentFlags = elf.SegmentFlags,
         ELFVERSION = elf.VERSION,
 
-        header = function(t) spec.header = t end,
-        sections = function(t) spec.sections = t end,
-        segments = function(t) spec.segments = t end,
+        header = function(t) header = t end,
+        segments = function(t) segments = t end,
+        sections = function(t) sections = t end,
     }
     -- TODO error check for multiple headers
     local chunk, err = loadfile(fn, "t", env)
     if not chunk then die("%s", err) end
     local ok, perr = pcall(chunk)
     if not ok then die("%s", perr) end
-    return spec
+    return header, segments, sections
 end
 
 local function main()
@@ -51,13 +51,13 @@ local function main()
         end
         i = i + 1
     end
-    local c = loadconfig(infn)
-    c.header.phnum = #c.segments
-    c.header.phentsize = (c.header.class == ec.Class.bit64) and 0x38 or 0x20
+    local header, segments, sections = loadconfig(infn)
+    header.phnum = #segments
+    header.phentsize = (header.class == ec.Class.bit64) and 0x38 or 0x20
     -- TODO write to a temp file and atomic rename to outfn.
     local out <close> = assert(io.open(outfn, "wb"))
-    out:write(elf.header.pack(c.header))
-    out:write(elf.segment.pack(c.segments, c.header.data, c.header.class))
+    out:write(elf.header.pack(header))
+    out:write(elf.segment.pack(segments, header.data, header.class))
     -- TODO finish section.pack
     -- out:write(elf.section.pack(c.sections, c.header.data))
 end
-- 
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