IPRT: common/string/string.cpp -> stringalloc.cpp.

git-svn-id: https://www.virtualbox.org/svn/vbox/trunk@26480 cfe28804-0f27-0410-a406-dd0f0b0b656f

1 files changed, 125 insertions, 0 deletions

diff --git a/src/VBox/Runtime/common/string/stringalloc.cpp b/src/VBox/Runtime/common/string/stringalloc.cpp
new file mode 100644
index 00000000000..760f7dc939a
--- /dev/null
+++ b/src/VBox/Runtime/common/string/stringalloc.cpp
@@ -0,0 +1,125 @@
+/* $Id$ */
+/** @file
+ * IPRT - String Manipulation.
+ */
+
+/*
+ * Copyright (C) 2006-2007 Sun Microsystems, Inc.
+ *
+ * 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.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
+ * Clara, CA 95054 USA or visit http://www.sun.com if you need
+ * additional information or have any questions.
+ */
+
+
+/*******************************************************************************
+*   Header Files                                                               *
+*******************************************************************************/
+#include <iprt/string.h>
+#include "internal/iprt.h"
+
+#include <iprt/alloc.h>
+#include <iprt/assert.h>
+#include <iprt/err.h>
+#include "internal/string.h"
+
+
+/**
+ * Free string allocated by any of the non-UCS-2 string functions.
+ *
+ * @returns iprt status code.
+ * @param   pszString      Pointer to buffer with string to free.
+ *                         NULL is accepted.
+ */
+RTDECL(void)  RTStrFree(char *pszString)
+{
+    if (pszString)
+        RTMemTmpFree(pszString);
+}
+RT_EXPORT_SYMBOL(RTStrFree);
+
+
+/**
+ * Allocates a new copy of the given UTF-8 string.
+ *
+ * @returns Pointer to the allocated UTF-8 string.
+ * @param   pszString       UTF-8 string to duplicate.
+ */
+RTDECL(char *) RTStrDup(const char *pszString)
+{
+    AssertPtr(pszString);
+    size_t cch = strlen(pszString) + 1;
+    char *psz = (char *)RTMemAlloc(cch);
+    if (psz)
+        memcpy(psz, pszString, cch);
+    return psz;
+}
+RT_EXPORT_SYMBOL(RTStrDup);
+
+
+/**
+ * Allocates a new copy of the given UTF-8 string.
+ *
+ * @returns iprt status code.
+ * @param   ppszString      Receives pointer of the allocated UTF-8 string.
+ *                          The returned pointer must be freed using RTStrFree().
+ * @param   pszString       UTF-8 string to duplicate.
+ */
+RTDECL(int)  RTStrDupEx(char **ppszString, const char *pszString)
+{
+    AssertPtr(ppszString);
+    AssertPtr(pszString);
+
+    size_t cch = strlen(pszString) + 1;
+    char *psz = (char *)RTMemAlloc(cch);
+    if (psz)
+    {
+        memcpy(psz, pszString, cch);
+        *ppszString = psz;
+        return VINF_SUCCESS;
+    }
+    return VERR_NO_MEMORY;
+}
+RT_EXPORT_SYMBOL(RTStrDupEx);
+
+
+/**
+ * Allocates a new copy of the given UTF-8 substring.
+ *
+ * @returns Pointer to the allocated UTF-8 substring.
+ * @param   pszString       UTF-8 string to duplicate.
+ * @param   cchMax          The max number of chars to duplicate, not counting
+ *                          the terminator.
+ */
+RTDECL(char *) RTStrDupN(const char *pszString, size_t cchMax)
+{
+    AssertPtr(pszString);
+    char  *pszEnd = (char *)memchr(pszString, '\0', cchMax);
+    size_t cch    = pszEnd ? (uintptr_t)pszEnd - (uintptr_t)pszString : cchMax;
+    char  *pszDst = (char *)RTMemAlloc(cch);
+    if (pszDst)
+    {
+        memcpy(pszDst, pszString, cch);
+        pszDst[cch] = '\0';
+    }
+    return pszDst;
+}
+RT_EXPORT_SYMBOL(RTStrDupN);
+