From 1ac97013db7f6ed659c24f6035e4a743d882a4f0 Mon Sep 17 00:00:00 2001
From: Kouosi Takayama <152291607+kouosi@users.noreply.github.com>
Date: Wed, 16 Oct 2024 21:40:18 +0545
Subject: [PATCH] fix: getEndPos return end position

---
 lib/std/os/uefi/protocol/file.zig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/std/os/uefi/protocol/file.zig b/lib/std/os/uefi/protocol/file.zig
index 9c801b2f4c28..861a62880a4c 100644
--- a/lib/std/os/uefi/protocol/file.zig
+++ b/lib/std/os/uefi/protocol/file.zig
@@ -85,13 +85,16 @@ pub const File = extern struct {
     fn getEndPos(self: *const File) GetSeekPosError!u64 {
         // preserve the old file position
         var pos: u64 = undefined;
+        var end_pos: u64 = undefined;
         if (.Success != self.getPosition(&pos)) return GetSeekPosError.GetSeekPosError;
         // seek to end of file to get position = file size
         if (.Success != self.setPosition(efi_file_position_end_of_file)) return GetSeekPosError.GetSeekPosError;
+        // get the position
+        if (.Success != self.getPosition(&end_pos)) return GetSeekPosError.GetSeekPosError;
         // restore the old position
         if (.Success != self.setPosition(pos)) return GetSeekPosError.GetSeekPosError;
         // return the file size = position
-        return pos;
+        return end_pos;
     }
 
     pub fn setPosition(self: *const File, position: u64) Status {