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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:49:04 +0000
commit16f504a9dca3fe3b70568f67b7d41241ae485288 (patch)
treec60f36ada0496ba928b7161059ba5ab1ab224f9d /src/VBox/Runtime/common/string/strnlen.cpp
parentInitial commit. (diff)
downloadvirtualbox-upstream.tar.xz
virtualbox-upstream.zip
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/common/string/strnlen.cpp')
-rw-r--r--src/VBox/Runtime/common/string/strnlen.cpp62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/strnlen.cpp b/src/VBox/Runtime/common/string/strnlen.cpp
new file mode 100644
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--- /dev/null
+++ b/src/VBox/Runtime/common/string/strnlen.cpp
@@ -0,0 +1,62 @@
+/* $Id: strnlen.cpp $ */
+/** @file
+ * IPRT - CRT Strings, strnlen().
+ */
+
+/*
+ * Copyright (C) 2006-2022 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 "internal/iprt.h"
+#include <iprt/string.h>
+
+
+/**
+ * Find the length of a zeroterminated byte string, but only up to a given
+ * limit.
+ *
+ * @returns String length in bytes, or cchMax if too long.
+ * @param pszString Zero terminated string.
+ * @param cchMax Max number of chars to search for the end.
+ */
+#undef strnlen
+size_t RT_NOCRT(strnlen)(const char *pszString, size_t cchMax)
+{
+ const char * const pszStart = pszString;
+ while (cchMax-- > 0 && *pszString)
+ pszString++;
+ return pszString - pszStart;
+}
+RT_ALIAS_AND_EXPORT_NOCRT_SYMBOL(strnlen);
+