From 5a4d0b7a4d3ff30521d04594139786c35846a63a Mon Sep 17 00:00:00 2001
From: nillerusr <nillerusr@gmail.com>
Date: Sun, 8 Oct 2023 07:31:07 +0300
Subject: [PATCH] fix undefined behaviours and jpeg crash on non-windows
 platforms

---
 common/imageutils.cpp                  | 5 ++++-
 filesystem/basefilesystem.cpp          | 2 +-
 vgui2/vgui_controls/FileOpenDialog.cpp | 3 +++
 wscript                                | 4 ++--
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/common/imageutils.cpp b/common/imageutils.cpp
index 7c690aef..5bb0b741 100644
--- a/common/imageutils.cpp
+++ b/common/imageutils.cpp
@@ -65,9 +65,12 @@ extern void longjmp( jmp_buf, int ) __attribute__((noreturn));
 #define JPEGLIB_USE_STDIO
 #if ANDROID
 #include "android/jpeglib/jpeglib.h"
-#else
+#elif defined WIN32
 #include "jpeglib/jpeglib.h"
+#else
+#include <jpeglib.h>
 #endif
+
 #undef JPEGLIB_USE_STDIO
 
 
diff --git a/filesystem/basefilesystem.cpp b/filesystem/basefilesystem.cpp
index 26bb8372..aad38434 100644
--- a/filesystem/basefilesystem.cpp
+++ b/filesystem/basefilesystem.cpp
@@ -4203,7 +4203,7 @@ bool CBaseFileSystem::FindNextFileInVPKOrPakHelper( FindData_t *pFindData )
 	{
 		V_strncpy( pFindData->findData.cFileName, V_UnqualifiedFileName( pFindData->m_fileMatchesFromVPKOrPak[0] ), sizeof( pFindData->findData.cFileName ) );
 		pFindData->findData.dwFileAttributes = 0;
-		delete pFindData->m_fileMatchesFromVPKOrPak.Head();
+		delete[] pFindData->m_fileMatchesFromVPKOrPak.Head();
 		pFindData->m_fileMatchesFromVPKOrPak.RemoveMultipleFromHead( 1 );
 
 		return true;
diff --git a/vgui2/vgui_controls/FileOpenDialog.cpp b/vgui2/vgui_controls/FileOpenDialog.cpp
index d4a098fc..aa481da0 100644
--- a/vgui2/vgui_controls/FileOpenDialog.cpp
+++ b/vgui2/vgui_controls/FileOpenDialog.cpp
@@ -1500,6 +1500,9 @@ void FileOpenDialog::OnOpen()
 	char pFileName[MAX_PATH];
 	GetSelectedFileName( pFileName, sizeof( pFileName ) );
 
+	if( !pFileName[0] )
+		return;
+
 	int nLen = Q_strlen( pFileName );
 	bool bSpecifiedDirectory = ( pFileName[nLen-1] == '/' || pFileName[nLen-1] == '\\' ) && (!IsOSX() || ( IsOSX() && !Q_stristr( pFileName, ".app" ) ) );
 	Q_StripTrailingSlash( pFileName );
diff --git a/wscript b/wscript
index 9910b29a..7f760500 100644
--- a/wscript
+++ b/wscript
@@ -239,9 +239,9 @@ def define_platform(conf):
 			'_DLL_EXT=.so'
 		])
 
-#	if conf.env.DEST_OS != 'win32':
+	if conf.env.DEST_OS != 'win32':
+		conf.define('NO_MEMOVERRIDE_NEW_DELETE', 1)
 #		conf.define('NO_MALLOC_OVERRIDE', 1)
-#		conf.define('NO_MEMOVERRIDE_NEW_DELETE', 1)
 
 	if conf.options.DEBUG_ENGINE:
 		conf.env.append_unique('DEFINES', [