From c15d7f56d162ec173e1785afd68cc17753699b35 Mon Sep 17 00:00:00 2001
From: Uwe Seimet <Uwe.Seimet@seimet.de>
Date: Sat, 26 Oct 2024 18:43:57 +0200
Subject: [PATCH] Revert unintentional changes

---
 cpp/devices/tape.cpp   | 18 +++---------------
 cpp/test/tape_test.cpp |  2 +-
 2 files changed, 4 insertions(+), 16 deletions(-)

diff --git a/cpp/devices/tape.cpp b/cpp/devices/tape.cpp
index dc2c9f3e..225c34d5 100644
--- a/cpp/devices/tape.cpp
+++ b/cpp/devices/tape.cpp
@@ -342,23 +342,11 @@ void Tape::AddDeviceConfigurationPage(map<int, vector<byte>> &pages, bool change
 
 void Tape::AddMediumPartitionPage(map<int, vector<byte> > &pages, bool changeable) const
 {
-    vector<byte> buf(10);
+    vector<byte> buf(8);
 
     if (!changeable) {
-        // Maximum additional partitions
-        buf[2] = (byte)1;
-
-        // PSUM (descriptor unit in MB)
-        buf[4] = (byte)0b00010000;
-
-        // Logical unit is capable of format and partition recognition
-        buf[5] = (byte)0x03;
-
-        // Approximate partition size in MB
-        if (IsReady()) {
-            const auto capacity = static_cast<uint32_t>(GetFileSize()) / 1048576;
-            SetInt16(buf, 8, capacity > 0 ? capacity : 1);
-        }
+        // Fixed data partitions, PSUM (descriptor unit in MB)
+        buf[4] = (byte)0b10010000;
     }
 
     pages[17] = buf;
diff --git a/cpp/test/tape_test.cpp b/cpp/test/tape_test.cpp
index 186c5748..31fa412b 100644
--- a/cpp/test/tape_test.cpp
+++ b/cpp/test/tape_test.cpp
@@ -26,7 +26,7 @@ static void ValidateModePages(map<int, vector<byte>> &pages)
     EXPECT_EQ(8U, pages[10].size());
     EXPECT_EQ(14U, pages[15].size());
     EXPECT_EQ(16U, pages[16].size());
-    EXPECT_EQ(10U, pages[17].size());
+    EXPECT_EQ(8U, pages[17].size());
 }
 
 static void CheckPosition(AbstractController &controller, PrimaryDevice &tape, uint32_t position)