1 files changed, 100 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/log/logformat.cpp b/src/VBox/Runtime/common/log/logformat.cpp
new file mode 100644
index 00000000..cda0c70e
--- /dev/null
+++ b/src/VBox/Runtime/common/log/logformat.cpp
@@ -0,0 +1,100 @@
+/* $Id: logformat.cpp $ */
+/** @file
+ * IPRT - Log Formatter.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/log.h>
+#include "internal/iprt.h"
+
+#include <iprt/string.h>
+#include <iprt/assert.h>
+#ifdef IN_RING3
+# include <iprt/thread.h>
+# include <iprt/errcore.h>
+#endif
+
+#include <iprt/stdarg.h>
+#include <iprt/string.h>
+
+
+/*********************************************************************************************************************************
+*   Internal Functions                                                                                                           *
+*********************************************************************************************************************************/
+static DECLCALLBACK(size_t) rtlogFormatStr(void *pvArg, PFNRTSTROUTPUT pfnOutput,
+                                           void *pvArgOutput, const char **ppszFormat,
+                                           va_list *pArgs, int cchWidth, int cchPrecision,
+                                           unsigned fFlags, char chArgSize);
+
+
+/**
+ * Partial vsprintf worker implementation.
+ *
+ * @returns number of bytes formatted.
+ * @param   pfnOutput   Output worker.
+ *                      Called in two ways. Normally with a string an it's length.
+ *                      For termination, it's called with NULL for string, 0 for length.
+ * @param   pvArg       Argument to output worker.
+ * @param   pszFormat   Format string.
+ * @param   args        Argument list.
+ */
+RTDECL(size_t) RTLogFormatV(PFNRTSTROUTPUT pfnOutput, void *pvArg, const char *pszFormat, va_list args)
+{
+    return RTStrFormatV(pfnOutput, pvArg, rtlogFormatStr, NULL, pszFormat, args);
+}
+RT_EXPORT_SYMBOL(RTLogFormatV);
+
+
+/**
+ * Callback to format VBox formatting extentions.
+ * See @ref pg_rt_str_format for a reference on the format types.
+ *
+ * @returns The number of bytes formatted.
+ * @param   pvArg           Formatter argument.
+ * @param   pfnOutput       Pointer to output function.
+ * @param   pvArgOutput     Argument for the output function.
+ * @param   ppszFormat      Pointer to the format string pointer. Advance this till the char
+ *                          after the format specifier.
+ * @param   pArgs           Pointer to the argument list. Use this to fetch the arguments.
+ * @param   cchWidth        Format Width. -1 if not specified.
+ * @param   cchPrecision    Format Precision. -1 if not specified.
+ * @param   fFlags          Flags (RTSTR_NTFS_*).
+ * @param   chArgSize       The argument size specifier, 'l' or 'L'.
+ */
+static DECLCALLBACK(size_t) rtlogFormatStr(void *pvArg, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
+                                           const char **ppszFormat, va_list *pArgs, int cchWidth,
+                                           int cchPrecision, unsigned fFlags, char chArgSize)
+{
+    char ch = *(*ppszFormat)++;
+
+    AssertMsgFailed(("Invalid logger format type '%%%c%.10s'!\n", ch, *ppszFormat)); NOREF(ch);
+
+    NOREF(pvArg); NOREF(pfnOutput); NOREF(pvArgOutput); NOREF(pArgs); NOREF(cchWidth);
+    NOREF(cchPrecision); NOREF(fFlags); NOREF(chArgSize);
+    return 0;
+}
+