From d66486c17e55261d33b2a3ee9e7c6b68656a9ef2 Mon Sep 17 00:00:00 2001
From: Feoramund <161657516+Feoramund@users.noreply.github.com>
Date: Sun, 18 Aug 2024 23:39:14 -0400
Subject: [PATCH] Make `io.Section_Reader` set `base` too

This should fix seeking from `.Start`, getting the `size`, and
`read_at`.

Also make the API consistent with the other `*_init` procs in
`util.odin` by returning the `io.Reader`.
---
 core/io/util.odin | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/io/util.odin b/core/io/util.odin
index c24eb99c5..27c344890 100644
--- a/core/io/util.odin
+++ b/core/io/util.odin
@@ -376,11 +376,12 @@ Section_Reader :: struct {
 	limit: i64,
 }
 
-section_reader_init :: proc(s: ^Section_Reader, r: Reader_At, off: i64, n: i64) {
+section_reader_init :: proc(s: ^Section_Reader, r: Reader_At, off: i64, n: i64) -> Reader {
 	s.r = r
+	s.base = off
 	s.off = off
 	s.limit = off + n
-	return
+	return section_reader_to_stream(s)
 }
 section_reader_to_stream :: proc(s: ^Section_Reader) -> (out: Stream) {
 	out.data = s