From 14935333454f590c0c6fdb832c98eecb3ee2c313 Mon Sep 17 00:00:00 2001
From: Autechre <libretro@gmail.com>
Date: Tue, 26 Apr 2022 13:22:33 +0100
Subject: [PATCH] Revert "ensure history list will contain crc32 (#13883)"
 (#13891)

This reverts commit 141bba0464d27b5c7b7cbb17830f314f6e2b05ed.
---
 ui/drivers/ui_qt.cpp | 29 ++---------------------------
 ui/drivers/ui_qt.h   |  2 --
 2 files changed, 2 insertions(+), 29 deletions(-)

diff --git a/ui/drivers/ui_qt.cpp b/ui/drivers/ui_qt.cpp
index eaf1710d8f..40bf8e4096 100644
--- a/ui/drivers/ui_qt.cpp
+++ b/ui/drivers/ui_qt.cpp
@@ -45,7 +45,6 @@
 #include <QDropEvent>
 #include <QtConcurrentRun>
 #include <QtNetwork>
-#include <QFile>
 
 #include "ui_qt.h"
 #include "qt/gridview.h"
@@ -83,7 +82,6 @@ extern "C" {
 #include "../../command.h"
 #include "../ui_companion_driver.h"
 #include "../../configuration.h"
-#include "../../encodings/crc32.h"
 #include "../../frontend/frontend.h"
 #include "../../frontend/frontend_driver.h"
 #include "../../file_path_special.h"
@@ -2601,7 +2599,7 @@ void MainWindow::onFileDoubleClicked(const QModelIndex &proxyIndex)
    if (m_fileModel->isDir(index))
       m_dirTree->setCurrentIndex(m_dirModel->index(m_fileModel->filePath(index)));
    else
-      loadContent(getFileContentHashWithCRC32(index));
+      loadContent(getFileContentHash(index));
 }
 
 void MainWindow::selectBrowserDir(QString path)
@@ -2672,29 +2670,6 @@ QHash<QString, QString> MainWindow::getFileContentHash(const QModelIndex &index)
    return hash;
 }
 
-QHash<QString, QString> MainWindow::getFileContentHashWithCRC32(const QModelIndex &index)
-{
-   QHash<QString, QString> hash = getFileContentHash(index);
-   hash["crc32"] = getFileCRC32(hash["path"]);
-   return hash;
-}
-
-QString MainWindow::getFileCRC32(const QString &path)
-{
-   QString crc32;
-   QFile file(path);
-   if (file.exists() && file.open(QIODevice::ReadOnly)) {
-       const QByteArray buf = file.readAll();
-       file.close();
-       crc32 = QString::number(encoding_crc32(0, (const uint8_t *) buf.data(), buf.size()), 16).toUpper();
-       while (crc32.length() < 8) {
-           crc32 = crc32.prepend('0');
-       }
-   }
-
-   return crc32;
-}
-
 void MainWindow::onContentItemDoubleClicked(const QModelIndex &index)
 {
    Q_UNUSED(index);
@@ -2958,7 +2933,7 @@ void MainWindow::onRunClicked()
    switch (m_currentBrowser)
    {
       case BROWSER_TYPE_FILES:
-         contentHash = getFileContentHashWithCRC32(
+         contentHash = getFileContentHash(
                m_proxyFileModel->mapToSource(m_fileTableView->currentIndex()));
          break;
       case BROWSER_TYPE_PLAYLISTS:
diff --git a/ui/drivers/ui_qt.h b/ui/drivers/ui_qt.h
index 469fdea2c2..3763dd4a98 100644
--- a/ui/drivers/ui_qt.h
+++ b/ui/drivers/ui_qt.h
@@ -398,8 +398,6 @@ public:
    QModelIndex getCurrentContentIndex();
    QHash<QString, QString> getCurrentContentHash();
    QHash<QString, QString> getFileContentHash(const QModelIndex &index);
-   QHash<QString, QString> getFileContentHashWithCRC32(const QModelIndex &index);
-   QString getFileCRC32(const QString &path);
    static double lerp(double x, double y, double a, double b, double d);
    QString getSpecialPlaylistPath(SpecialPlaylist playlist);
    QVector<QPair<QString, QString> > getPlaylists();