CDVD: Remove exceptions

pcsx2/CDVD/CDVDcommon.cpp

@@ -430,9 +430,7 @@ bool DoCDVDopen()
 
 	Host::AddKeyedOSDMessage("BlockDumpCreate", fmt::format("Saving CDVD block dump to '{}'.", temp), Host::OSD_INFO_DURATION);
 
-	blockDumpFile.Create(std::move(temp), 2);
-
-	if (blockDumpFile.IsOpened())
+	if (blockDumpFile.Create(std::move(temp), 2))
 	{
 		int blockofs = 0;
 		uint blocksize = CD_FRAMESIZE_RAW;

pcsx2/CDVD/CDVDisoReader.cpp

@@ -51,15 +51,8 @@ s32 CALLBACK ISOopen(const char* pTitle)
 		return -1;
 	}
 
-	try
-	{
-		iso.Open(pTitle);
-	}
-	catch (BaseException& ex)
-	{
-		Console.Error(ex.FormatDiagnosticMessage());
+	if (!iso.Open(pTitle))
 		return -1;
-	}
 
 	switch (iso.GetType())
 	{

pcsx2/CDVD/InputIsoFile.cpp

@@ -15,14 +15,15 @@
 
 
 #include "PrecompiledHeader.h"
-#include "IsoFileFormats.h"
+
+#include "CDVD/IsoFileFormats.h"
+#include "Config.h"
+#include "Host.h"
+
 #include "common/Assertions.h"
 #include "common/Exceptions.h"
-#include "Config.h"
 
-#include "fmt/core.h"
-
-#include <errno.h>
+#include "fmt/format.h"
 
 static const char* nameFromType(int type)
 {
@@ -246,12 +247,17 @@ bool InputIsoFile::Open(std::string srcfile, bool testOnly)
 	bool detected = Detect();
 
 	if (testOnly)
+	{
+		Close();
 		return detected;
+	}
 
 	if (!detected)
-		throw Exception::BadStream()
-			.SetUserMsg("Unrecognized ISO image file format.")
-			.SetDiagMsg("ISO mounting failed: PCSX2 is unable to identify the ISO image type.");
+	{
+		Host::ReportErrorAsync("Unrecognized ISO image file format", "ISO mounting failed: PCSX2 is unable to identify the ISO image type.");
+		Close();
+		return false;
+	}
 
 	if (!isBlockdump && !isCompressed)
 	{

pcsx2/CDVD/IsoFileFormats.h

@@ -130,7 +130,7 @@ public:
 		return m_filename;
 	}
 
-	void Create(std::string filename, int mode);
+	bool Create(std::string filename, int mode);
 	void Close();
 
 	void WriteHeader(int blockofs, uint blocksize, uint blocks);

pcsx2/CDVD/OutputIsoFile.cpp

@@ -15,7 +15,9 @@
 
 
 #include "PrecompiledHeader.h"
-#include "IsoFileFormats.h"
+#include "CDVD/IsoFileFormats.h"
+#include "Host.h"
+
 #include "common/Exceptions.h"
 #include "common/FileSystem.h"
 #include "common/StringUtil.h"
@@ -44,7 +46,7 @@ void OutputIsoFile::_init()
 	m_blocks = 0;
 }
 
-void OutputIsoFile::Create(std::string filename, int version)
+bool OutputIsoFile::Create(std::string filename, int version)
 {
 	Close();
 	m_filename = std::move(filename);
@@ -57,11 +59,13 @@ void OutputIsoFile::Create(std::string filename, int version)
 	m_outstream = FileSystem::OpenCFile(m_filename.c_str(), "wb");
 	if (!m_outstream)
 	{
-		Console.Error("(OutputIsoFile::Create) Unable to open the file '%s' for writing: %d", m_filename.c_str(), errno);
-		Exception::FromErrno(filename, errno)->Rethrow();
+		Console.Error(fmt::format("(OutputIsoFile::Create) Unable to open the file '{}' for writing: {}", m_filename, errno));
+		_init();
+		return false;
 	}
 
 	Console.WriteLn("isoFile create ok: %s ", m_filename.c_str());
+	return true;
 }
 
 // Generates format header information for blockdumps.
@@ -122,16 +126,8 @@ void OutputIsoFile::WriteBuffer(const void* src, size_t size)
 {
 	if (std::fwrite(src, size, 1, m_outstream) != 1)
 	{
-		int err = errno;
-		if (!err)
-		{
-			throw Exception::BadStream(m_filename)
-				.SetDiagMsg(fmt::format("An error occurred while writing {} bytes to file", size));
-		}
-
-		std::unique_ptr<BaseException> ex(Exception::FromErrno(m_filename, err));
-		ex->SetDiagMsg(fmt::format("An error occurred while writing {} bytes to file: {}", size, ex->DiagMsg()));
-		ex->Rethrow();
+		Host::ReportErrorAsync("Write Error", fmt::format("errno {} when trying to write {} bytes to block dump file.\n\nClosing file."));
+		Close();
 	}
 }