From cb0aa4f03c8ef7a637a180df2b044408aa8f745a Mon Sep 17 00:00:00 2001
From: LN Liberda <lauren@selfisekai.rocks>
Date: Fri, 22 May 2026 19:26:04 +0200
Subject: [PATCH] Zig 0.16: Update util.LineReader

Lazy, minimal changes
---
 src/util.zig | 28 ++++------------------------
 1 file changed, 4 insertions(+), 24 deletions(-)

diff --git a/src/util.zig b/src/util.zig
index 607dfb5..2089909 100644
--- a/src/util.zig
+++ b/src/util.zig
@@ -203,31 +203,11 @@ pub fn expanduser(path: []const u8, alloc: std.mem.Allocator) ![:0]u8 {
 // Silly abstraction to read a file one line at a time. Only exists to help
 // with supporting both Zig 0.14 and 0.15, can be removed once 0.14 support is
 // dropped.
-pub const LineReader = if (@hasDecl(std.io, "bufferedReader")) struct {
-    rd: std.io.BufferedReader(4096, std.fs.File.Reader),
-    fbs: std.io.FixedBufferStream([]u8),
+pub const LineReader = struct {
+    rd: std.Io.File.Reader,
 
-    pub fn init(f: std.fs.File, buf: []u8) @This() {
-        return .{
-            .rd = std.io.bufferedReader(f.reader()),
-            .fbs = std.io.fixedBufferStream(buf),
-        };
-    }
-
-    pub fn read(s: *@This()) !?[]u8 {
-        s.fbs.reset();
-        s.rd.reader().streamUntilDelimiter(s.fbs.writer(), '\n', s.fbs.buffer.len) catch |err| switch (err) {
-            error.EndOfStream => if (s.fbs.getPos() catch unreachable == 0) return null,
-            else => |e| return e,
-        };
-        return s.fbs.getWritten();
-    }
-
-} else struct {
-    rd: std.fs.File.Reader,
-
-    pub fn init(f: std.fs.File, buf: []u8) @This() {
-        return .{ .rd = f.readerStreaming(buf) };
+    pub fn init(io: std.Io, f: std.Io.File, buf: []u8) @This() {
+        return .{ .rd = f.readerStreaming(io, buf) };
     }
 
     pub fn read(s: *@This()) !?[]u8 {