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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Runtime/common/string/RTStrSplit.cpp
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/common/string/RTStrSplit.cpp')
-rw-r--r--src/VBox/Runtime/common/string/RTStrSplit.cpp133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTStrSplit.cpp b/src/VBox/Runtime/common/string/RTStrSplit.cpp
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+++ b/src/VBox/Runtime/common/string/RTStrSplit.cpp
@@ -0,0 +1,133 @@
+/* $Id: RTStrSplit.cpp $ */
+/** @file
+ * IPRT - RTStrSplit.
+ */
+
+/*
+ * Copyright (C) 2020-2023 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 <iprt/mem.h>
+#include <iprt/string.h>
+#include "internal/iprt.h"
+
+
+RTDECL(int) RTStrSplit(const char *pcszStrings, size_t cbStrings,
+ const char *pcszSeparator, char ***ppapszStrings, size_t *pcStrings)
+{
+ AssertPtrReturn(pcszStrings, VERR_INVALID_POINTER);
+ AssertReturn(cbStrings, VERR_INVALID_PARAMETER);
+ AssertPtrReturn(pcszSeparator, VERR_INVALID_POINTER);
+ AssertPtrReturn(ppapszStrings, VERR_INVALID_POINTER);
+ AssertPtrReturn(pcStrings, VERR_INVALID_POINTER);
+
+ size_t cStrings = 0;
+
+ /* Determine the number of paths in buffer first. */
+ size_t cch = cbStrings - 1;
+ char const *pcszTmp = pcszStrings;
+ const char *pcszEnd = RTStrEnd(pcszTmp, RTSTR_MAX);
+ char const *pcszNext;
+ const size_t cchSep = strlen(pcszSeparator);
+ size_t cchNext;
+ while (cch > 0)
+ {
+ pcszNext = RTStrStr(pcszTmp, pcszSeparator);
+ if (!pcszNext)
+ break;
+ cchNext = pcszNext - pcszTmp;
+ if (cchNext + cchSep > cch)
+ break;
+ pcszNext += cchSep;
+ pcszTmp += cchNext + cchSep;
+ cch -= cchNext + cchSep;
+ if (cchNext)
+ ++cStrings;
+ }
+
+ if (pcszTmp != pcszEnd) /* Do we need to take a trailing string without separator into account? */
+ cStrings++;
+
+ if (!cStrings)
+ {
+ *ppapszStrings = NULL;
+ *pcStrings = 0;
+ return VINF_SUCCESS;
+ }
+
+ char **papszStrings = (char **)RTMemAllocZ(cStrings * sizeof(char *));
+ if (!papszStrings)
+ return VERR_NO_MEMORY;
+
+ int rc = VINF_SUCCESS;
+
+ cch = cbStrings - 1;
+ pcszTmp = pcszStrings;
+
+ for (size_t i = 0; i < cStrings;)
+ {
+ pcszNext = RTStrStr(pcszTmp, pcszSeparator);
+ if (!pcszNext)
+ pcszNext = pcszEnd;
+ cchNext = pcszNext - pcszTmp;
+ if (cchNext)
+ {
+ papszStrings[i] = RTStrDupN(pcszTmp, cchNext);
+ if (!papszStrings[i])
+ {
+ rc = VERR_NO_MEMORY;
+ break;
+ }
+ i++;
+ }
+ pcszTmp += cchNext + cchSep;
+ cch -= cchNext + cchSep;
+ }
+
+ if (RT_SUCCESS(rc))
+ {
+ *ppapszStrings = papszStrings;
+ *pcStrings = cStrings;
+
+ return VINF_SUCCESS;
+ }
+
+ for (size_t i = 0; i < cStrings; ++i)
+ RTStrFree(papszStrings[i]);
+ RTMemFree(papszStrings);
+
+ return rc;
+}
+RT_EXPORT_SYMBOL(RTStrSplit);
+