Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 280 insertions, 0 deletions

diff --git a/include/iprt/nocrt/ostream b/include/iprt/nocrt/ostream
new file mode 100644
index 00000000..98820e27
--- /dev/null
+++ b/include/iprt/nocrt/ostream
@@ -0,0 +1,280 @@
+/** @file
+ * IPRT / No-CRT - Minimal C++ ostream header.
+ */
+
+/*
+ * Copyright (C) 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
+ */
+
+#ifndef VBOX_INCLUDED_SRC_nocrt_ostream
+#define VBOX_INCLUDED_SRC_nocrt_ostream
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+/* Currently all in the ios header. */
+#include <iprt/nocrt/ios>
+
+namespace std
+{
+    /**
+     * Basic output stream.
+     */
+    template<typename a_CharType, typename a_CharTraits /*= std::char_traits<a_CharType>*/ >
+    class basic_ostream : public basic_ios<a_CharType, a_CharTraits>
+    {
+    protected:
+        /** Sentry class that performs pre and post output work. */
+        class sentry
+        {
+        private:
+            basic_ostream &m_rParent;
+
+        public:
+            explicit sentry(basic_ostream &a_rParent)
+                : m_rParent(a_rParent)
+            {
+                if (a_rParent.good())
+                {
+                    basic_ostream *pTiedStream = a_rParent.tie();
+                    if (!pTiedStream)
+                    { /* likely? */ }
+                    else
+                    {
+                        pTiedStream->flush();
+                        if (!pTiedStream->good())
+                            a_rParent.setstate(failbit);
+                    }
+                }
+            }
+
+            explicit operator bool() const
+            {
+                return m_rParent.good();
+            }
+
+            ~sentry()
+            {
+                if (   (m_rParent.flags() & std::ios_base::unitbuf)
+                    && m_rParent.good())
+                    m_rParent.rdbuf()->pubsync();
+            }
+        };
+
+    public:
+        explicit basic_ostream(std::basic_streambuf<a_CharType,a_CharTraits> *a_pBuf)
+            : basic_ios(a_pBuf)
+        { }
+
+        /** For cerr initialization.
+         * @internal */
+        explicit basic_ostream(std::basic_streambuf<a_CharType,a_CharTraits> *a_pBuf,
+                               std::basic_ostream<a_CharType, a_CharTraits> *a_pTiedStream,
+                               bool a_fUnbuffered)
+            : basic_ios(a_pBuf)
+        {
+            m_pTiedStream = a_pTiedStream;
+            if (!a_fUnbuffered)
+                setf(std::ios_base::unitbuf);
+        }
+
+    private:
+        basic_ostream(basic_ostream const &a_rSrc);             /* not copyable */
+        basic_ostream &operator=(basic_ostream const &a_rSrc);  /* not copyable */
+
+    public:
+        virtual ~basic_ostream()
+        {
+        }
+
+    public:
+        basic_ostream &put(char_type a_ch)
+        {
+            sentry PrePost(*this);
+            if (PrePost)
+            {
+                if (m_pBuf->sputc(a_ch) == traits_type::eof())
+                    m_fState |= badbit;
+            }
+            return *this;
+        }
+
+        basic_ostream &write(const char_type *a_pchSrc, std::streamsize a_cchToWrite)
+        {
+            sentry PrePost(*this);
+            if (PrePost)
+            {
+                std::streamsize cchWritten = m_pBuf->sputn(a_pchSrc, a_cchToWrite);
+                if (cchWritten != a_cchToWrite)
+                    m_fState |= badbit;
+            }
+            return *this;
+        }
+
+        basic_ostream &flush()
+        {
+            if (m_pBuf)
+                m_pBuf->pubsync();
+            return *this;
+        }
+
+        pos_type       tellp() RT_NOEXCEPT;
+        basic_ostream &seekp(pos_type a_off) RT_NOEXCEPT;
+        basic_ostream &seekp(off_type a_off, seekdir enmDir) RT_NOEXCEPT;
+
+        /** @name Internal support methods
+         * @{ */
+        inline basic_ostream &intWrite(const char *a_pchSrc, std::streamsize a_cchToWrite); /**< Internal method outputting char buffers. */
+
+        /** @returns 8, 10 or 16. */
+        inline unsigned intGetIntegerBase() const RT_NOEXCEPT
+        {
+            switch (m_fFlags & basefield)
+            {
+                default:
+                case dec: return 10;
+                case hex: return 16;
+                case oct: return 8;
+            }
+        }
+
+        /** @returns RTSTR_F_XXX . */
+        inline unsigned intGetIntegerFlags() const RT_NOEXCEPT
+        {
+            unsigned fFlags = 0;
+            if (m_fFlags & uppercase)
+                fFlags |= RTSTR_F_CAPITAL;
+            if (m_fFlags & showbase)
+                fFlags |= RTSTR_F_SPECIAL;
+            if (m_fFlags & showpos)
+                fFlags |= RTSTR_F_PLUS;
+            return fFlags;
+        }
+
+        basic_ostream &formatInteger(uint64_t a_uValue, uint32_t a_fFlags, unsigned a_uBase = 0)
+        {
+            a_fFlags |= intGetIntegerFlags();
+            char szTmp[72];
+            int  cchTmp = RTStrFormatNumber(szTmp, a_uValue, !a_uBase ? intGetIntegerBase() : a_uBase, 0, 0, a_fFlags);
+
+            /** @todo apply cchWidth and padding.  */
+
+            return intWrite(szTmp, cchTmp);
+        }
+
+        /** @} */
+    };
+
+    /** @name Character and string output.
+     * @{ */
+    /** @todo not sure if this really works...   */
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, char a_ch)
+    {
+        return a_rDst.put(a_ch);
+    }
+
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, const char *a_psz)
+    {
+        return a_rDst.intWrite(a_psz, strlen(a_psz));
+    }
+    /** @} */
+
+    /** @name Integer formatting.
+     * @{ */
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, signed char a_iValue)
+    {
+        return a_rDst.formatInteger(a_iValue, RTSTR_F_8BIT | RTSTR_F_VALSIGNED);
+    }
+
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, unsigned char a_uValue)
+    {
+        return a_rDst.formatInteger(a_uValue, RTSTR_F_8BIT);
+    }
+
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, short a_iValue)
+    {
+        return a_rDst.formatInteger(a_iValue, RTSTR_F_16BIT | RTSTR_F_VALSIGNED);
+    }
+
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, unsigned short a_uValue)
+    {
+        return a_rDst.formatInteger(a_uValue, RTSTR_F_16BIT);
+    }
+
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, int a_iValue)
+    {
+        return a_rDst.formatInteger(a_iValue, RTSTR_F_32BIT | RTSTR_F_VALSIGNED);
+    }
+
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, unsigned int a_uValue)
+    {
+        return a_rDst.formatInteger(a_uValue, RTSTR_F_32BIT | RTSTR_F_VALSIGNED);
+    }
+
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, long a_iValue)
+    {
+        return a_rDst.formatInteger(a_iValue, (sizeof(a_iValue) > sizeof(int32_t) ? RTSTR_F_64BIT : RTSTR_F_32BIT));
+    }
+
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, unsigned long a_uValue)
+    {
+        return a_rDst.formatInteger(a_uValue,
+                                    RTSTR_F_VALSIGNED | (sizeof(a_uValue) > sizeof(uint32_t) ? RTSTR_F_64BIT : RTSTR_F_32BIT));
+    }
+
+    template<typename a_CharType, typename a_CharTraits = std::char_traits<a_CharType> >
+    basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, void const *a_pvValue)
+    {
+        return a_rDst.formatInteger((uintptr_t)a_pvValue,
+                                    (sizeof(a_pvValue) > sizeof(uint32_t) ? RTSTR_F_64BIT : RTSTR_F_32BIT), 16);
+    }
+    /** @} */
+
+    template<>
+    inline basic_ostream<char> &basic_ostream<char>::intWrite(const char *a_pchSrc, std::streamsize a_cchToWrite)
+    {
+        return write(a_pchSrc, a_cchToWrite);
+    }
+
+
+}
+
+#endif /* !VBOX_INCLUDED_SRC_nocrt_ostream */
+