Imported evoke

evoke/Log.cpp

@@ -0,0 +1,73 @@
+/*
+ * $Id$
+ *
+ * Evoke, head honcho of everything
+ * Part of Equinox Desktop Environment (EDE).
+ * Copyright (c) 2000-2007 EDE Authors.
+ *
+ * This program is licensed under terms of the 
+ * GNU General Public License version 2 or newer.
+ * See COPYING for details.
+ */
+
+#include "Log.h"
+#include <edelib/Debug.h>
+#include <stdarg.h>
+#include <string.h>
+#include <time.h>
+
+RealLog::RealLog() : f(NULL), buff(NULL), tbuff(NULL), bufflen(256), tbufflen(20), 
+	to_stdout(false), to_stderr(false) { 
+}
+
+RealLog::~RealLog() {
+	if(f) {
+		puts("RealLog::~RealLog()\n");
+		fclose(f);
+	}
+
+	if(buff)
+		delete [] buff;
+	if(tbuff)
+		delete [] tbuff;
+}
+
+bool RealLog::open(const char* file) {
+	EASSERT(file != NULL);
+
+	if(strcmp(file, "stdout") == 0)
+		to_stdout = true;
+	else if(strcmp(file, "stderr") == 0)
+		to_stderr = true;
+	else {
+		f = fopen(file, "a");
+		if(!f)
+			return false;
+	}
+
+	buff = new char[bufflen];
+	tbuff = new char[tbufflen];
+	return true;
+}
+
+void RealLog::printf(const char* fmt, ...) {
+	EASSERT(buff != NULL);
+	EASSERT(tbuff != NULL);
+
+	va_list ap;
+	va_start(ap, fmt);
+	vsnprintf(buff, bufflen, fmt, ap);
+	va_end(ap);
+
+	time_t t = time(NULL);
+	strftime(tbuff, tbufflen, "%F %T", localtime(&t));
+
+	if(to_stdout)
+		fprintf(stdout, "[%s] %s", tbuff, buff);
+	else if(to_stderr)
+		fprintf(stderr, "[%s] %s", tbuff, buff);
+	else {
+		fprintf(f, "[%s] %s", tbuff, buff);
+		fflush(f);
+	}
+}