1 files changed, 105 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-StrPrintf.c b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-StrPrintf.c
new file mode 100644
index 00000000..8c2d9511
--- /dev/null
+++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-StrPrintf.c
@@ -0,0 +1,105 @@
+/* $Id: bs3-cmn-StrPrintf.c $ */
+/** @file
+ * BS3Kit - Bs3StrPrintf, Bs3StrPrintfV
+ */
+
+/*
+ * Copyright (C) 2007-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "bs3kit-template-header.h"
+#include <iprt/ctype.h>
+
+
+/*********************************************************************************************************************************
+*   Structures and Typedefs                                                                                                      *
+*********************************************************************************************************************************/
+typedef struct BS3STRPRINTFSTATE
+{
+    /** Current buffer position. */
+    char   *pchBuf;
+    /** Number of bytes left in the buffer.  */
+    size_t  cchLeft;
+} BS3STRPRINTFSTATE;
+typedef BS3STRPRINTFSTATE BS3_FAR *PBS3STRPRINTFSTATE;
+
+
+
+static BS3_DECL_CALLBACK(size_t) bs3StrPrintfFmtOutput(char ch, void BS3_FAR *pvUser)
+{
+    PBS3STRPRINTFSTATE pState = (PBS3STRPRINTFSTATE)pvUser;
+    if (ch)
+    {
+        /* Put to the buffer if there is place for this char and a terminator. */
+        if (pState->cchLeft > 1)
+        {
+            pState->cchLeft--;
+            *pState->pchBuf++ = ch;
+        }
+
+        /* Always return 1. */
+        return 1;
+    }
+
+    /* Terminate the string. */
+    if (pState->cchLeft)
+    {
+        pState->cchLeft--;
+        *pState->pchBuf++ = '\0';
+    }
+    return 0;
+}
+
+
+#undef Bs3StrPrintfV
+BS3_CMN_DEF(size_t, Bs3StrPrintfV,(char BS3_FAR *pszBuf, size_t cchBuf, const char BS3_FAR *pszFormat, va_list BS3_FAR va))
+{
+    BS3STRPRINTFSTATE State;
+    State.pchBuf  = pszBuf;
+    State.cchLeft = cchBuf;
+    return Bs3StrFormatV(pszFormat, va, bs3StrPrintfFmtOutput, &State);
+}
+
+
+#undef Bs3StrPrintf
+BS3_CMN_DEF(size_t, Bs3StrPrintf,(char BS3_FAR *pszBuf, size_t cchBuf, const char BS3_FAR *pszFormat, ...))
+{
+    size_t cchRet;
+    va_list va;
+    va_start(va, pszFormat);
+    cchRet = BS3_CMN_NM(Bs3StrPrintfV)(pszBuf, cchBuf, pszFormat, va);
+    va_end(va);
+    return cchRet;
+}
+