Make log messages a little saner

aegisub/libaegisub/common/log.cpp

@@ -30,7 +30,6 @@
 #include <cstring>
 #include <fstream>
 #include <functional>
-#include <memory>
 
 namespace agi {
 	namespace log {
@@ -42,24 +41,16 @@ LogSink *log;
 /// Keep this ordered the same as Severity
 const char *Severity_ID = "EAWID";
 
-SinkMessage::SinkMessage(const char *section, Severity severity,
-						 const char *file, const char *func, int line,
-						 timeval tv)
+SinkMessage::SinkMessage(const char *section, Severity severity, const char *file, const char *func, int line, timeval tv)
 : section(section)
 , severity(severity)
 , file(file)
 , func(func)
 , line(line)
 , tv(tv)
-, message(nullptr)
-, len(0)
 {
 }
 
-SinkMessage::~SinkMessage() {
-	delete [] message;
-}
-
 /// @todo The log files need to be trimmed after N amount.
 LogSink::~LogSink() {
 	// The destructor for emitters may try to log messages, so disable all the
@@ -87,22 +78,16 @@ void LogSink::Unsubscribe(Emitter *em) {
 	LOG_D("agi/log/emitter/unsubscribe") << "Un-Subscribe: " << this;
 }
 
-Message::Message(const char *section,
-				Severity severity,
-				const char *file,
-				const char *func,
-				int line)
-: len(1024)
-, buf(new char[len])
-, msg(buf, len)
+Message::Message(const char *section, Severity severity, const char *file, const char *func, int line)
+: msg(nullptr, 1024)
 {
 	sm = new SinkMessage(section, severity, file, func, line, util::time_log());
 }
 
 Message::~Message() {
-	sm->message = msg.str();
-	sm->len = (size_t)msg.pcount();
+	sm->message = std::string(msg.str(), (std::string::size_type)msg.pcount());
 	agi::log::log->log(sm);
+	msg.freeze(false);
 }
 
 JsonEmitter::JsonEmitter(agi::fs::path const& directory, const agi::log::LogSink *log_sink)
@@ -128,7 +113,7 @@ JsonEmitter::~JsonEmitter() {
 		entry["file"]     = sink[i]->file;
 		entry["func"]     = sink[i]->func;
 		entry["line"]     = sink[i]->line;
-		entry["message"]  = std::string(sink[i]->message, sink[i]->len);
+		entry["message"]  = sink[i]->message;
 
 		array.push_back(std::move(entry));
 	}

aegisub/libaegisub/include/libaegisub/log.h

@@ -69,10 +69,7 @@ extern const char *Severity_ID;
 extern LogSink *log;
 
 /// Container to hold a single message
-class SinkMessage {
-	SinkMessage(SinkMessage const&);
-	SinkMessage& operator=(SinkMessage const&);
-public:
+struct SinkMessage {
 	/// @brief Constructor
 	/// @param section  Section info
 	/// @param severity Severity
@@ -82,17 +79,13 @@ public:
 	/// @param tv       Log time
 	SinkMessage(const char *section, Severity severity, const char *file, const char *func, int line, timeval tv);
 
-	/// Destructor
-	~SinkMessage();
-
 	const char *section;	///< Section info eg "video/open" "video/seek" etc
 	Severity severity;		///< Severity
 	const char *file;		///< Source file
 	const char *func;		///< Function name
 	int line;				///< Source line
 	agi_timeval tv;			///< Time at execution
-	char *message;			///< Formatted message
-	size_t len;				///< Message length
+	std::string message;	///< Formatted message
 };
 
 class Emitter;
@@ -164,28 +157,20 @@ public:
 
 /// Generates a message and submits it to the log sink.
 class Message {
-	const int len;
-	char *buf;
 	std::ostrstream msg;
 	SinkMessage *sm;
 
 public:
-	Message(const char *section,
-			Severity severity,
-			const char *file,
-			const char *func,
-			int line);
+	Message(const char *section, Severity severity, const char *file, const char *func, int line);
 	~Message();
 	std::ostream& stream() { return msg; }
 };
 
-
 /// Emit log entries to stdout.
 class EmitSTDOUT: public Emitter {
 public:
 	void log(SinkMessage *sm);
 };
 
-
 	} // namespace log
 } // namespace agi

aegisub/libaegisub/windows/log_win.cpp

@@ -36,7 +36,7 @@ void EmitSTDOUT::log(SinkMessage *sm) {
 	time_t time = sm->tv.tv_sec;
 	localtime_s(&tmtime, &time);
 
-	char buff[1024];
+	char buff[65536];
 	_snprintf_s(buff, _TRUNCATE, "%s (%d): %c %02d:%02d:%02d %-6ld <%-25s> [%s]  %.*s\n",
 		sm->file,
 		sm->line,
@@ -47,8 +47,8 @@ void EmitSTDOUT::log(SinkMessage *sm) {
 		sm->tv.tv_usec,
 		sm->section,
 		sm->func,
-		sm->len,
-		sm->message);
+		sm->message.size(),
+		sm->message.c_str());
 	OutputDebugStringW(charset::ConvertW(buff).c_str());
 }
 	} // namespace log

aegisub/src/dialog_log.cpp

@@ -36,6 +36,11 @@
 
 #include "dialog_log.h"
 
+#include "compat.h"
+#include "include/aegisub/context.h"
+
+#include <libaegisub/log.h>
+
 #include <algorithm>
 #include <ctime>
 #include <functional>
@@ -46,10 +51,6 @@
 #include <wx/stattext.h>
 #include <wx/textctrl.h>
 
-#include <libaegisub/log.h>
-
-#include "include/aegisub/context.h"
-
 class EmitLog : public agi::log::Emitter {
 	wxTextCtrl *text_ctrl;
 public:
@@ -74,7 +75,7 @@ public:
 			sm->file,
 			sm->func,
 			sm->line,
-			wxString::FromUTF8(sm->message, sm->len));
+			to_wx(sm->message));
 #else
 		wxString log = wxString::Format("%c %-6ld <%-25s> [%s:%s:%d]  %s\n",
 			agi::log::Severity_ID[sm->severity],
@@ -83,7 +84,7 @@ public:
 			sm->file,
 			sm->func,
 			sm->line,
-			wxString::FromUTF8(sm->message, sm->len));
+			to_wx(sm->message));
 #endif
 		text_ctrl->AppendText(log);
 	}