Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 1866 insertions, 0 deletions

diff --git a/sal/osl/unx/profile.cxx b/sal/osl/unx/profile.cxx
new file mode 100644
index 000000000..354fe626f
--- /dev/null
+++ b/sal/osl/unx/profile.cxx
@@ -0,0 +1,1866 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "system.hxx"
+#include "readwrite_helper.hxx"
+#include "file_url.hxx"
+#include "unixerrnostring.hxx"
+
+#include <osl/diagnose.h>
+#include <osl/profile.h>
+#include <osl/process.h>
+#include <osl/thread.h>
+#include <rtl/alloc.h>
+#include <sal/log.hxx>
+
+#define LINES_INI       32
+#define LINES_ADD       10
+#define SECTIONS_INI    5
+#define SECTIONS_ADD    3
+#define ENTRIES_INI     5
+#define ENTRIES_ADD     3
+
+#define STR_INI_BOOLYES     "yes"
+#define STR_INI_BOOLON      "on"
+#define STR_INI_BOOLONE     "1"
+#define STR_INI_BOOLNO      "no"
+#define STR_INI_BOOLOFF     "off"
+#define STR_INI_BOOLZERO    "0"
+
+#define FLG_USER            0x00FF
+#define FLG_AUTOOPEN        0x0100
+#define FLG_MODIFIED        0x0200
+
+#define DEFAULT_PMODE   (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
+
+typedef time_t  osl_TStamp;
+
+namespace {
+
+enum osl_TLockMode
+{
+    un_lock, read_lock, write_lock
+};
+
+struct osl_TFile
+{
+    int     m_Handle;
+    char*   m_pReadPtr;
+    char    m_ReadBuf[512];
+    char*   m_pWriteBuf;
+    sal_uInt32  m_nWriteBufLen;
+    sal_uInt32  m_nWriteBufFree;
+};
+
+struct osl_TProfileEntry
+{
+    sal_uInt32  m_Line;
+    sal_uInt32  m_Offset;
+    sal_uInt32  m_Len;
+};
+
+struct osl_TProfileSection
+{
+    sal_uInt32  m_Line;
+    sal_uInt32  m_Offset;
+    sal_uInt32  m_Len;
+    sal_uInt32  m_NoEntries;
+    sal_uInt32  m_MaxEntries;
+    osl_TProfileEntry*  m_Entries;
+};
+
+/* Profile-data structure hidden behind oslProfile: */
+struct osl_TProfileImpl
+{
+    sal_uInt32  m_Flags;
+    osl_TFile*  m_pFile;
+    osl_TStamp  m_Stamp;
+    char    m_FileName[PATH_MAX + 1];
+    sal_uInt32  m_NoLines;
+    sal_uInt32  m_MaxLines;
+    sal_uInt32  m_NoSections;
+    sal_uInt32  m_MaxSections;
+    char**  m_Lines;
+    osl_TProfileSection* m_Sections;
+    pthread_mutex_t m_AccessLock;
+    bool        m_bIsValid;
+};
+
+}
+
+static osl_TFile* openFileImpl(const char* pszFilename, oslProfileOption ProfileFlags);
+static osl_TStamp closeFileImpl(osl_TFile* pFile, oslProfileOption Flags);
+static bool   OslProfile_lockFile(const osl_TFile* pFile, osl_TLockMode eMode);
+static bool   OslProfile_rewindFile(osl_TFile* pFile, bool bTruncate);
+static osl_TStamp OslProfile_getFileStamp(osl_TFile* pFile);
+
+static char*   OslProfile_getLine(osl_TFile* pFile);
+static bool   OslProfile_putLine(osl_TFile* pFile, const char *pszLine);
+static char* stripBlanks(char* String, sal_uInt32* pLen);
+static char* addLine(osl_TProfileImpl* pProfile, const char* Line);
+static char* insertLine(osl_TProfileImpl* pProfile, const char* Line, sal_uInt32 LineNo);
+static void removeLine(osl_TProfileImpl* pProfile, sal_uInt32 LineNo);
+static void setEntry(osl_TProfileImpl* pProfile, osl_TProfileSection* pSection,
+                     sal_uInt32 NoEntry, sal_uInt32 Line,
+                     char* Entry, sal_uInt32 Len);
+static bool addEntry(osl_TProfileImpl* pProfile, osl_TProfileSection *pSection,
+                     int Line, char* Entry, sal_uInt32 Len);
+static void removeEntry(osl_TProfileSection *pSection, sal_uInt32 NoEntry);
+static bool addSection(osl_TProfileImpl* pProfile, int Line, const char* Section, sal_uInt32 Len);
+static void removeSection(osl_TProfileImpl* pProfile, osl_TProfileSection *pSection);
+static osl_TProfileSection* findEntry(osl_TProfileImpl* pProfile, const char* Section,
+                                      const char* Entry, sal_uInt32 *pNoEntry);
+static bool loadProfile(osl_TFile* pFile, osl_TProfileImpl* pProfile);
+static bool storeProfile(osl_TProfileImpl* pProfile, bool bCleanup);
+static osl_TProfileImpl* acquireProfile(oslProfile Profile, bool bWriteable);
+static bool releaseProfile(osl_TProfileImpl* pProfile);
+
+static bool writeProfileImpl (osl_TFile* pFile);
+static osl_TFile* osl_openTmpProfileImpl(osl_TProfileImpl*);
+static bool osl_ProfileSwapProfileNames(osl_TProfileImpl*);
+static void osl_ProfileGenerateExtension(const char* pszFileName, const char* pszExtension, char* pszTmpName, int BufferMaxLen);
+static oslProfile osl_psz_openProfile(const char *pszProfileName, oslProfileOption Flags);
+
+oslProfile SAL_CALL osl_openProfile(rtl_uString *ustrProfileName, oslProfileOption Options)
+{
+    char profilePath[PATH_MAX] = "";
+    return
+        (ustrProfileName == nullptr
+         || ustrProfileName->buffer[0] == 0
+         || (FileURLToPath(profilePath, PATH_MAX, ustrProfileName)
+             == osl_File_E_None))
+        ? osl_psz_openProfile(profilePath, Options)
+        : nullptr;
+}
+
+static oslProfile osl_psz_openProfile(const char *pszProfileName, oslProfileOption Flags)
+{
+    osl_TFile*        pFile;
+    osl_TProfileImpl* pProfile;
+    bool bRet = false;
+
+    if ( ( pFile = openFileImpl(pszProfileName, Flags ) ) == nullptr )
+    {
+        return nullptr;
+    }
+
+    pProfile = static_cast<osl_TProfileImpl*>(calloc(1, sizeof(osl_TProfileImpl)));
+
+    if ( pProfile == nullptr )
+    {
+        closeFileImpl(pFile, Flags);
+        return nullptr;
+    }
+
+    pProfile->m_Flags = Flags & FLG_USER;
+
+    if ( Flags & ( osl_Profile_READLOCK | osl_Profile_WRITELOCK | osl_Profile_FLUSHWRITE ) )
+    {
+        pProfile->m_pFile = pFile;
+    }
+
+    pthread_mutex_init(&(pProfile->m_AccessLock),PTHREAD_MUTEXATTR_DEFAULT);
+    pProfile->m_bIsValid = true;
+
+    pProfile->m_Stamp = OslProfile_getFileStamp(pFile);
+    bRet=loadProfile(pFile, pProfile);
+    bRet &= realpath(pszProfileName, pProfile->m_FileName) != nullptr;
+    SAL_WARN_IF(!bRet, "sal.osl", "realpath(pszProfileName, pProfile->m_FileName) != NULL ==> false");
+
+    if (pProfile->m_pFile == nullptr)
+        closeFileImpl(pFile,pProfile->m_Flags);
+
+    // coverity[leaked_storage] - pFile is not leaked
+    return pProfile;
+}
+
+sal_Bool SAL_CALL osl_closeProfile(oslProfile Profile)
+{
+    osl_TProfileImpl* pProfile = static_cast<osl_TProfileImpl*>(Profile);
+    osl_TProfileImpl* pTmpProfile;
+
+    if ( Profile == nullptr )
+    {
+        return false;
+    }
+
+    pthread_mutex_lock(&(pProfile->m_AccessLock));
+
+    if ( !pProfile->m_bIsValid )
+    {
+        SAL_WARN("sal.osl", "!pProfile->m_bIsValid");
+        pthread_mutex_unlock(&(pProfile->m_AccessLock));
+
+        return false;
+    }
+
+    pProfile->m_bIsValid = false;
+
+    if ( ! ( pProfile->m_Flags & osl_Profile_READLOCK ) && ( pProfile->m_Flags & FLG_MODIFIED ) )
+    {
+        pTmpProfile = acquireProfile(Profile, true);
+
+        if ( pTmpProfile != nullptr )
+        {
+            bool bRet = storeProfile(pTmpProfile, true);
+            SAL_WARN_IF(!bRet, "sal.osl", "storeProfile(pTmpProfile, true) ==> false");
+        }
+    }
+    else
+    {
+        pTmpProfile = acquireProfile(Profile, false);
+    }
+
+    if ( pTmpProfile == nullptr )
+    {
+        pthread_mutex_unlock(&(pProfile->m_AccessLock));
+
+        SAL_INFO("sal.osl", "Out osl_closeProfile [pProfile==0]");
+        return false;
+    }
+
+    pProfile = pTmpProfile;
+
+    if (pProfile->m_pFile != nullptr)
+        closeFileImpl(pProfile->m_pFile,pProfile->m_Flags);
+
+    pProfile->m_pFile = nullptr;
+    pProfile->m_FileName[0] = '\0';
+
+    /* release whole profile data types memory */
+    if ( pProfile->m_NoLines > 0)
+    {
+        unsigned int idx=0;
+        if ( pProfile->m_Lines != nullptr )
+        {
+            for ( idx = 0 ; idx < pProfile->m_NoLines ; ++idx)
+            {
+                if ( pProfile->m_Lines[idx] != nullptr )
+                {
+                    free(pProfile->m_Lines[idx]);
+                    pProfile->m_Lines[idx]=nullptr;
+                }
+            }
+            free(pProfile->m_Lines);
+            pProfile->m_Lines=nullptr;
+        }
+        if ( pProfile->m_Sections != nullptr )
+        {
+            /*osl_TProfileSection* pSections=pProfile->m_Sections;*/
+            for ( idx = 0 ; idx < pProfile->m_NoSections ; ++idx )
+            {
+                if ( pProfile->m_Sections[idx].m_Entries != nullptr )
+                {
+                    free(pProfile->m_Sections[idx].m_Entries);
+                    pProfile->m_Sections[idx].m_Entries=nullptr;
+                }
+            }
+            free(pProfile->m_Sections);
+            pProfile->m_Sections=nullptr;
+        }
+    }
+
+    pthread_mutex_unlock(&(pProfile->m_AccessLock));
+
+    pthread_mutex_destroy(&(pProfile->m_AccessLock));
+
+    free(pProfile);
+
+    return true;
+}
+
+sal_Bool SAL_CALL osl_flushProfile(oslProfile Profile)
+{
+    osl_TProfileImpl* pProfile = static_cast<osl_TProfileImpl*>(Profile);
+    osl_TFile* pFile;
+    bool bRet = false;
+
+    if ( pProfile == nullptr )
+    {
+        return false;
+    }
+
+    pthread_mutex_lock(&(pProfile->m_AccessLock));
+
+    if ( !pProfile->m_bIsValid )
+    {
+        SAL_WARN_IF(!pProfile->m_bIsValid, "sal.osl", "!pProfile->m_bIsValid");
+        pthread_mutex_unlock(&(pProfile->m_AccessLock));
+        return false;
+    }
+
+    pFile = pProfile->m_pFile;
+    if ( pFile == nullptr || pFile->m_Handle < 0 )
+    {
+        pthread_mutex_unlock(&(pProfile->m_AccessLock));
+
+        return false;
+    }
+
+    if ( pProfile->m_Flags & FLG_MODIFIED )
+    {
+        bRet = storeProfile(pProfile, false);
+        SAL_WARN_IF(!bRet, "sal.osl", "storeProfile(pProfile, false) ==> false");
+    }
+
+    pthread_mutex_unlock(&(pProfile->m_AccessLock));
+    return bRet;
+}
+
+static bool writeProfileImpl(osl_TFile* pFile)
+{
+    if ( pFile == nullptr || pFile->m_Handle < 0 || pFile->m_pWriteBuf == nullptr )
+    {
+        return false;
+    }
+
+    SAL_WARN_IF(
+        (strlen(pFile->m_pWriteBuf)
+         != pFile->m_nWriteBufLen - pFile->m_nWriteBufFree),
+        "sal.osl",
+        strlen(pFile->m_pWriteBuf) << " != "
+            << (pFile->m_nWriteBufLen - pFile->m_nWriteBufFree));
+
+    if ( !safeWrite(pFile->m_Handle, pFile->m_pWriteBuf, pFile->m_nWriteBufLen - pFile->m_nWriteBufFree) )
+    {
+        SAL_INFO("sal.osl", "write failed: " << UnixErrnoString(errno));
+        return false;
+    }
+
+    free(pFile->m_pWriteBuf);
+    pFile->m_pWriteBuf=nullptr;
+    pFile->m_nWriteBufLen=0;
+    pFile->m_nWriteBufFree=0;
+
+    return true;
+}
+
+sal_Bool SAL_CALL osl_readProfileString(oslProfile Profile,
+                                        const char* pszSection,
+                                        const char* pszEntry,
+                                        char* pszString,
+                                        sal_uInt32 MaxLen,
+                                        const char* pszDefault)
+{
+    sal_uInt32    NoEntry;
+    char* pStr=nullptr;
+    osl_TProfileImpl*    pProfile=nullptr;
+    osl_TProfileImpl*    pTmpProfile=nullptr;
+    bool bRet = false;
+
+    pTmpProfile = static_cast<osl_TProfileImpl*>(Profile);
+
+    if ( pTmpProfile == nullptr )
+    {
+        return false;
+    }
+
+    pthread_mutex_lock(&(pTmpProfile->m_AccessLock));
+
+    if ( !pTmpProfile->m_bIsValid )
+    {
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return false;
+    }
+
+    pProfile = acquireProfile(Profile, false);
+
+    if ( pProfile == nullptr )
+    {
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return false;
+    }
+
+    if (! (pProfile->m_Flags & osl_Profile_SYSTEM))
+    {
+        osl_TProfileSection* pSec = findEntry(pProfile, pszSection, pszEntry, &NoEntry);
+        if ((pSec != nullptr) &&
+            (NoEntry < pSec->m_NoEntries) &&
+            ((pStr = strchr(pProfile->m_Lines[pSec->m_Entries[NoEntry].m_Line],
+                            '=')) != nullptr))
+        {
+            pStr++;
+        }
+        else
+        {
+            pStr=const_cast<char*>(pszDefault);
+        }
+
+        if ( pStr != nullptr )
+        {
+            pStr = stripBlanks(pStr, nullptr);
+            MaxLen = (MaxLen - 1 < strlen(pStr)) ? (MaxLen - 1) : strlen(pStr);
+            pStr = stripBlanks(pStr, &MaxLen);
+            strncpy(pszString, pStr, MaxLen);
+            pszString[MaxLen] = '\0';
+        }
+    }
+    else
+    { /* not implemented */ }
+
+    bRet=releaseProfile(pProfile);
+    SAL_WARN_IF(!bRet, "sal.osl", "releaseProfile(pProfile) ==> false");
+
+    if ( pStr == nullptr )
+    {
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return false;
+    }
+
+    pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+    return true;
+}
+
+sal_Bool SAL_CALL osl_readProfileBool(oslProfile Profile,
+                                      const char* pszSection,
+                                      const char* pszEntry,
+                                      sal_Bool Default)
+{
+    char Line[32];
+    Line[0] = '\0';
+
+    if (osl_readProfileString(Profile, pszSection, pszEntry, Line, sizeof(Line), ""))
+    {
+        if ((strcasecmp(Line, STR_INI_BOOLYES) == 0) ||
+            (strcasecmp(Line, STR_INI_BOOLON)  == 0) ||
+            (strcasecmp(Line, STR_INI_BOOLONE) == 0))
+            Default = true;
+        else
+            if ((strcasecmp(Line, STR_INI_BOOLNO)   == 0) ||
+                (strcasecmp(Line, STR_INI_BOOLOFF)  == 0) ||
+                (strcasecmp(Line, STR_INI_BOOLZERO) == 0))
+                Default = false;
+    }
+
+    return Default;
+}
+
+sal_uInt32 SAL_CALL osl_readProfileIdent(oslProfile Profile,
+                                         const char* pszSection,
+                                         const char* pszEntry,
+                                         sal_uInt32 FirstId,
+                                         const char* Strings[],
+                                         sal_uInt32 Default)
+{
+    sal_uInt32  i;
+    char    Line[256];
+    Line[0] = '\0';
+
+    if (osl_readProfileString(Profile, pszSection, pszEntry, Line, sizeof(Line), ""))
+    {
+        i = 0;
+        while (Strings[i] != nullptr)
+        {
+            if (strcasecmp(Line, Strings[i]) == 0)
+            {
+                Default = i + FirstId;
+                break;
+            }
+            i++;
+        }
+    }
+
+    return Default;
+}
+
+sal_Bool SAL_CALL osl_writeProfileString(oslProfile Profile,
+                                         const char* pszSection,
+                                         const char* pszEntry,
+                                         const char* pszString)
+{
+    bool bRet = false;
+    sal_uInt32    NoEntry;
+    char* pStr;
+    char*       Line = nullptr;
+    osl_TProfileImpl*    pProfile = nullptr;
+    osl_TProfileImpl*    pTmpProfile = static_cast<osl_TProfileImpl*>(Profile);
+
+    if ( pTmpProfile == nullptr )
+    {
+        return false;
+    }
+
+    pthread_mutex_lock(&(pTmpProfile->m_AccessLock));
+
+    if ( !pTmpProfile->m_bIsValid )
+    {
+        SAL_WARN_IF(!pTmpProfile->m_bIsValid, "sal.osl", "!pTmpProfile->m_bIsValid");
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return false;
+    }
+
+    pProfile=acquireProfile(Profile, true);
+
+    if (pProfile == nullptr)
+    {
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return false;
+    }
+
+    Line = static_cast<char*>(malloc(strlen(pszEntry)+strlen(pszString)+48));
+
+    if (! (pProfile->m_Flags & osl_Profile_SYSTEM))
+    {
+        osl_TProfileSection* pSec;
+        if ((pSec = findEntry(pProfile, pszSection, pszEntry, &NoEntry)) == nullptr)
+        {
+            Line[0] = '\0';
+            addLine(pProfile, Line);
+
+            Line[0] = '[';
+            strcpy(&Line[1], pszSection);
+            Line[1 + strlen(pszSection)] = ']';
+            Line[2 + strlen(pszSection)] = '\0';
+
+            pStr = addLine(pProfile, Line);
+            if ((pStr == nullptr) ||
+                (! addSection(pProfile, pProfile->m_NoLines - 1, &pStr[1], strlen(pszSection))))
+            {
+                bRet=releaseProfile(pProfile);
+                SAL_WARN_IF(!bRet, "sal.osl", "releaseProfile(pProfile) ==> false");
+
+                pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+                free(Line);
+                return false;
+            }
+
+            pSec = &pProfile->m_Sections[pProfile->m_NoSections - 1];
+            NoEntry = pSec->m_NoEntries;
+        }
+
+        Line[0] = '\0';
+        strcpy(&Line[0], pszEntry);
+        Line[0 + strlen(pszEntry)] = '=';
+        strcpy(&Line[1 + strlen(pszEntry)], pszString);
+
+        if (NoEntry >= pSec->m_NoEntries)
+        {
+            sal_uInt32  i;
+            if (pSec->m_NoEntries > 0)
+                i = pSec->m_Entries[pSec->m_NoEntries - 1].m_Line + 1;
+            else
+                i = pSec->m_Line + 1;
+
+            pStr = insertLine(pProfile, Line, i);
+            if ((pStr == nullptr) ||
+                (! addEntry(pProfile, pSec, i, pStr, strlen(pszEntry))))
+            {
+                bRet=releaseProfile(pProfile);
+                SAL_WARN_IF(!bRet, "sal.osl", "releaseProfile(pProfile) ==> false");
+
+                pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+                free(Line);
+
+                return false;
+            }
+
+            pProfile->m_Flags |= FLG_MODIFIED;
+        }
+        else
+        {
+            sal_uInt32  i = pSec->m_Entries[NoEntry].m_Line;
+            free(pProfile->m_Lines[i]);
+            pProfile->m_Lines[i] = strdup(Line);
+            setEntry(pProfile, pSec, NoEntry, i, pProfile->m_Lines[i], strlen(pszEntry));
+
+            pProfile->m_Flags |= FLG_MODIFIED;
+        }
+    }
+    else {
+        /* not implemented */
+    }
+
+    bRet = releaseProfile(pProfile);
+    SAL_WARN_IF(!bRet, "sal.osl", "releaseProfile(pProfile) ==> false");
+
+    pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+    if ( Line!= nullptr )
+    {
+        free(Line);
+    }
+
+    return bRet;
+}
+
+sal_Bool SAL_CALL osl_writeProfileBool(oslProfile Profile,
+                                       const char* pszSection,
+                                       const char* pszEntry,
+                                       sal_Bool Value)
+{
+    bool bRet = false;
+
+    if (Value)
+        bRet=osl_writeProfileString(Profile, pszSection, pszEntry, STR_INI_BOOLONE);
+    else
+        bRet=osl_writeProfileString(Profile, pszSection, pszEntry, STR_INI_BOOLZERO);
+
+    return bRet;
+}
+
+sal_Bool SAL_CALL osl_writeProfileIdent(oslProfile Profile,
+                                        const char* pszSection,
+                                        const char* pszEntry,
+                                        sal_uInt32 FirstId,
+                                        const char* Strings[],
+                                        sal_uInt32 Value)
+{
+    int i, n = 0;
+    bool bRet = false;
+
+    while (Strings[n] != nullptr)
+        ++n;
+
+    if ((i = Value - FirstId) >= n)
+        bRet = false;
+    else
+        bRet = osl_writeProfileString(Profile, pszSection, pszEntry, Strings[i]);
+
+    return bRet;
+}
+
+sal_Bool SAL_CALL osl_removeProfileEntry(oslProfile Profile,
+                                         const char *pszSection,
+                                         const char *pszEntry)
+{
+    sal_uInt32    NoEntry;
+    osl_TProfileImpl*    pProfile = nullptr;
+    osl_TProfileImpl*    pTmpProfile = nullptr;
+    bool bRet = false;
+
+    pTmpProfile = static_cast<osl_TProfileImpl*>(Profile);
+
+    if ( pTmpProfile == nullptr )
+    {
+        return false;
+    }
+
+    pthread_mutex_lock(&(pTmpProfile->m_AccessLock));
+
+    if ( !pTmpProfile->m_bIsValid )
+    {
+        SAL_WARN_IF(!pTmpProfile->m_bIsValid, "sal.osl", "!pTmpProfile->m_bIsValid");
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+        return false;
+    }
+
+    pProfile = acquireProfile(Profile, true);
+
+    if (pProfile == nullptr)
+    {
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return false;
+    }
+
+    if (! (pProfile->m_Flags & osl_Profile_SYSTEM))
+    {
+        osl_TProfileSection* pSec = findEntry(pProfile, pszSection, pszEntry, &NoEntry);
+        if ((pSec != nullptr) &&
+            (NoEntry < pSec->m_NoEntries))
+        {
+            removeLine(pProfile, pSec->m_Entries[NoEntry].m_Line);
+            removeEntry(pSec, NoEntry);
+            if (pSec->m_NoEntries == 0)
+            {
+                removeLine(pProfile, pSec->m_Line);
+
+                /* remove any empty separation line */
+                if ((pSec->m_Line > 0) && (pProfile->m_Lines[pSec->m_Line - 1][0] == '\0'))
+                    removeLine(pProfile, pSec->m_Line - 1);
+
+                removeSection(pProfile, pSec);
+            }
+
+            pProfile->m_Flags |= FLG_MODIFIED;
+        }
+    }
+    else
+    { /* not implemented */ }
+
+    bRet = releaseProfile(pProfile);
+    SAL_WARN_IF(!bRet, "sal.osl", "releaseProfile(pProfile) ==> false");
+
+    pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+    return bRet;
+}
+
+sal_uInt32 SAL_CALL osl_getProfileSectionEntries(oslProfile Profile,
+                                                 const char *pszSection,
+                                                 char* pszBuffer,
+                                                 sal_uInt32 MaxLen)
+{
+    sal_uInt32    i, n = 0;
+    sal_uInt32    NoEntry;
+    osl_TProfileImpl*    pProfile = nullptr;
+    osl_TProfileImpl*    pTmpProfile = nullptr;
+    bool bRet = false;
+
+    pTmpProfile = static_cast<osl_TProfileImpl*>(Profile);
+
+    if ( pTmpProfile == nullptr )
+    {
+        return 0;
+
+    }
+
+    pthread_mutex_lock(&(pTmpProfile->m_AccessLock));
+
+    if ( !pTmpProfile->m_bIsValid )
+    {
+        SAL_WARN_IF(!pTmpProfile->m_bIsValid, "sal.osl", "!pTmpProfile->m_bIsValid"); 
+
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return 0;
+    }
+
+    pProfile = acquireProfile(Profile, false);
+
+    if (pProfile == nullptr)
+    {
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return 0;
+    }
+
+    if (! (pProfile->m_Flags & osl_Profile_SYSTEM))
+    {
+        osl_TProfileSection* pSec;
+        if ((pSec = findEntry(pProfile, pszSection, "", &NoEntry)) != nullptr)
+        {
+            if (MaxLen != 0)
+            {
+                for (i = 0; i < pSec->m_NoEntries; i++)
+                {
+                    if ((n + pSec->m_Entries[i].m_Len + 1) < MaxLen)
+                    {
+                        strncpy(&pszBuffer[n], &pProfile->m_Lines[pSec->m_Entries[i].m_Line]
+                                [pSec->m_Entries[i].m_Offset], pSec->m_Entries[i].m_Len);
+                        n += pSec->m_Entries[i].m_Len;
+                        pszBuffer[n++] = '\0';
+                    }
+                    else
+                        break;
+
+                }
+
+                pszBuffer[n++] = '\0';
+            }
+            else
+            {
+                for (i = 0; i < pSec->m_NoEntries; i++)
+                    n += pSec->m_Entries[i].m_Len + 1;
+
+                n += 1;
+            }
+        }
+        else
+            n = 0;
+    }
+    else {
+        /* not implemented */
+    }
+
+    bRet=releaseProfile(pProfile);
+    SAL_WARN_IF(!bRet, "sal.osl", "releaseProfile(pProfile) ==> false");
+
+    pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+    return n;
+}
+
+sal_uInt32 SAL_CALL osl_getProfileSections(oslProfile Profile,
+                                           char* pszBuffer,
+                                           sal_uInt32 MaxLen)
+{
+    sal_uInt32    i, n = 0;
+    osl_TProfileImpl*    pProfile = nullptr;
+    osl_TProfileImpl*    pTmpProfile = nullptr;
+    bool bRet = false;
+
+    pTmpProfile = static_cast<osl_TProfileImpl*>(Profile);
+
+    if ( pTmpProfile == nullptr )
+    {
+        return 0;
+    }
+
+    pthread_mutex_lock(&(pTmpProfile->m_AccessLock));
+
+    if ( !pTmpProfile->m_bIsValid )
+    {
+        SAL_WARN_IF(!pTmpProfile->m_bIsValid, "sal.osl", "!pTmpProfile->m_bIsValid"); 
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return 0;
+    }
+
+    pProfile = acquireProfile(Profile, false);
+
+    if (pProfile == nullptr)
+    {
+        pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+        return 0;
+    }
+
+    if (! (pProfile->m_Flags & osl_Profile_SYSTEM))
+    {
+        if (MaxLen != 0)
+        {
+            for (i = 0; i < pProfile->m_NoSections; i++)
+            {
+                osl_TProfileSection* pSec = &pProfile->m_Sections[i];
+
+                if ((n + pSec->m_Len + 1) < MaxLen)
+                {
+                    strncpy(&pszBuffer[n], &pProfile->m_Lines[pSec->m_Line][pSec->m_Offset],
+                            pSec->m_Len);
+                    n += pSec->m_Len;
+                    pszBuffer[n++] = '\0';
+                }
+                else
+                    break;
+            }
+
+            pszBuffer[n++] = '\0';
+        }
+        else
+        {
+            for (i = 0; i < pProfile->m_NoSections; i++)
+                n += pProfile->m_Sections[i].m_Len + 1;
+
+            n += 1;
+        }
+    }
+    else
+    { /* not implemented */ }
+
+    bRet=releaseProfile(pProfile);
+    SAL_WARN_IF(!bRet, "sal.osl", "releaseProfile(pProfile) ==> false");
+
+    pthread_mutex_unlock(&(pTmpProfile->m_AccessLock));
+
+    return n;
+}
+
+static osl_TStamp OslProfile_getFileStamp(osl_TFile* pFile)
+{
+    struct stat status;
+
+    if ( (pFile->m_Handle < 0) || (fstat(pFile->m_Handle, &status) < 0) )
+    {
+        return 0;
+    }
+
+    return status.st_mtime;
+}
+
+static bool OslProfile_lockFile(const osl_TFile* pFile, osl_TLockMode eMode)
+{
+    struct flock lock;
+    static bool const bLockingDisabled = getenv( "STAR_PROFILE_LOCKING_DISABLED" ) != nullptr;
+
+    if (pFile->m_Handle < 0)
+    {
+        return false;
+    }
+
+    if ( bLockingDisabled )
+    {
+        return true;
+    }
+
+    lock.l_start  = 0;
+    lock.l_whence = SEEK_SET;
+    lock.l_len    = 0;
+
+    switch (eMode)
+    {
+        case un_lock:
+            lock.l_type = F_UNLCK;
+            break;
+
+        case read_lock:
+            lock.l_type = F_RDLCK;
+            break;
+
+        case write_lock:
+            lock.l_type = F_WRLCK;
+            break;
+    }
+
+#ifndef MACOSX
+    if ( fcntl(pFile->m_Handle, F_SETLKW, &lock) == -1 )
+#else
+    /* Mac OSX will return ENOTSUP for webdav drives so we should ignore it */
+    if ( fcntl(pFile->m_Handle, F_SETLKW, &lock) == -1 && errno != ENOTSUP )
+#endif
+    {
+        SAL_INFO("sal.osl", "fcntl failed: " << UnixErrnoString(errno));
+        return false;
+    }
+
+    return true;
+}
+
+static osl_TFile* openFileImpl(const char* pszFilename, oslProfileOption ProfileFlags )
+{
+    int        Flags;
+    osl_TFile* pFile = static_cast<osl_TFile*>(calloc(1, sizeof(osl_TFile)));
+    bool       bWriteable = false;
+
+    if ( ProfileFlags & ( osl_Profile_WRITELOCK | osl_Profile_FLUSHWRITE ) )
+    {
+        bWriteable = true;
+    }
+
+    if (! bWriteable)
+    {
+        pFile->m_Handle = open(pszFilename, O_RDONLY);
+
+        if (pFile->m_Handle == -1)
+        {
+            int e = errno;
+            SAL_INFO("sal.file", "open(" << pszFilename << ",O_RDONLY): " << UnixErrnoString(e));
+        }
+        else
+            SAL_INFO("sal.file", "open(" << pszFilename << ",O_RDONLY) => " << pFile->m_Handle);
+
+        /* mfe: argghh!!! do not check if the file could be opened */
+        /*      default mode expects it that way!!!                 */
+    }
+    else
+    {
+        if (((pFile->m_Handle = open(pszFilename, O_RDWR | O_CREAT | O_EXCL, DEFAULT_PMODE)) < 0) &&
+            ((pFile->m_Handle = open(pszFilename, O_RDWR)) < 0))
+        {
+            int e = errno;
+            SAL_INFO("sal.file", "open(" << pszFilename << ",...): " << UnixErrnoString(e));
+            free(pFile);
+            return nullptr;
+        }
+        else
+            SAL_INFO("sal.file", "open(" << pszFilename << ",...) => " << pFile->m_Handle);
+    }
+
+    /* set close-on-exec flag */
+    if ((Flags = fcntl(pFile->m_Handle, F_GETFD, 0)) != -1)
+    {
+        Flags |= FD_CLOEXEC;
+        int e = fcntl(pFile->m_Handle, F_SETFD, Flags);
+        SAL_INFO_IF(
+            e != 0, "sal.osl",
+            "fcntl to set FD_CLOEXEC failed for " << pszFilename);
+    }
+
+    pFile->m_pWriteBuf=nullptr;
+    pFile->m_nWriteBufFree=0;
+    pFile->m_nWriteBufLen=0;
+
+    if ( ProfileFlags & (osl_Profile_WRITELOCK | osl_Profile_READLOCK ) )
+    {
+        OslProfile_lockFile(pFile, bWriteable ? write_lock : read_lock);
+    }
+
+    return pFile;
+}
+
+static osl_TStamp closeFileImpl(osl_TFile* pFile, oslProfileOption Flags)
+{
+    osl_TStamp stamp = 0;
+
+    if ( pFile == nullptr )
+    {
+        return stamp;
+    }
+
+    if ( pFile->m_Handle >= 0 )
+    {
+        stamp = OslProfile_getFileStamp(pFile);
+
+        if ( Flags & (osl_Profile_WRITELOCK | osl_Profile_READLOCK ) )
+        {
+            OslProfile_lockFile(pFile, un_lock);
+        }
+
+        close(pFile->m_Handle);
+        SAL_INFO("sal.file", "close(" << pFile->m_Handle << ")");
+        pFile->m_Handle = -1;
+    }
+
+    if ( pFile->m_pWriteBuf )
+    {
+        free(pFile->m_pWriteBuf);
+    }
+
+    free(pFile);
+
+    return stamp;
+}
+
+static bool OslProfile_rewindFile(osl_TFile* pFile, bool bTruncate)
+{
+    bool bRet = true;
+
+    if (pFile->m_Handle >= 0)
+    {
+        pFile->m_pReadPtr  = pFile->m_ReadBuf + sizeof(pFile->m_ReadBuf);
+
+        bRet = (lseek(pFile->m_Handle, SEEK_SET, 0) == 0);
+
+        if (bTruncate)
+        {
+            bRet &= (ftruncate(pFile->m_Handle, 0) == 0);
+        }
+
+    }
+
+    return bRet;
+}
+
+static char* OslProfile_getLine(osl_TFile* pFile)
+{
+    int   Max, Free, nLineBytes = 0;
+    char* pChr;
+    char* pLine = nullptr;
+    char* pNewLine;
+
+    if ( pFile == nullptr )
+    {
+        return nullptr;
+    }
+
+    if (pFile->m_Handle < 0)
+        return nullptr;
+
+    do
+    {
+        int Bytes = sizeof(pFile->m_ReadBuf) - (pFile->m_pReadPtr - pFile->m_ReadBuf);
+
+        if (Bytes <= 1)
+        {
+            /* refill buffer */
+            memcpy(pFile->m_ReadBuf, pFile->m_pReadPtr, Bytes);
+            pFile->m_pReadPtr = pFile->m_ReadBuf;
+
+            Free = sizeof(pFile->m_ReadBuf) - Bytes;
+
+            if ((Max = read(pFile->m_Handle, &pFile->m_ReadBuf[Bytes], Free)) < 0)
+            {
+                SAL_INFO("sal.osl", "read failed: " << UnixErrnoString(errno));
+
+                if( pLine )
+                    free( pLine );
+                pLine = nullptr;
+                break;
+            }
+
+            if (Max < Free)
+            {
+                 if ((Max == 0) && ! pLine)
+                     break;
+
+                 pFile->m_ReadBuf[Bytes + Max] = '\0';
+            }
+        }
+
+        for (pChr = pFile->m_pReadPtr;
+             (*pChr != '\n') && (*pChr != '\r') && (*pChr != '\0') &&
+             (pChr < (pFile->m_ReadBuf + sizeof(pFile->m_ReadBuf) - 1));
+             pChr++);
+
+        Max = pChr - pFile->m_pReadPtr;
+        pNewLine = static_cast<char*>(malloc( nLineBytes + Max + 1 ));
+        if( pLine )
+        {
+            memcpy( pNewLine, pLine, nLineBytes );
+            free( pLine );
+        }
+        memcpy(pNewLine+nLineBytes, pFile->m_pReadPtr, Max);
+        nLineBytes += Max;
+        pNewLine[ nLineBytes ] = 0;
+        pLine = pNewLine;
+
+        if (pChr < (pFile->m_ReadBuf + sizeof(pFile->m_ReadBuf) - 1))
+        {
+            if (*pChr != '\0')
+            {
+                if ((pChr[0] == '\r') && (pChr[1] == '\n'))
+                    pChr += 2;
+                else
+                    pChr += 1;
+            }
+
+            if ((pChr < (pFile->m_ReadBuf + sizeof(pFile->m_ReadBuf))) &&
+                (*pChr == '\0'))
+                pChr = pFile->m_ReadBuf + sizeof(pFile->m_ReadBuf);
+
+            /* setting Max to -1 indicates terminating read loop */
+            Max = -1;
+        }
+
+        pFile->m_pReadPtr = pChr;
+    }
+    while (Max > 0) ;
+
+    return pLine;
+}
+
+static bool OslProfile_putLine(osl_TFile* pFile, const char *pszLine)
+{
+    unsigned int Len = strlen(pszLine);
+
+    if ( pFile == nullptr || pFile->m_Handle < 0 )
+    {
+        return false;
+    }
+
+    if ( pFile->m_pWriteBuf == nullptr )
+    {
+        pFile->m_pWriteBuf = static_cast<char*>(malloc(Len+3));
+        pFile->m_nWriteBufLen = Len+3;
+        pFile->m_nWriteBufFree = Len+3;
+    }
+    else
+    {
+        if ( pFile->m_nWriteBufFree <= Len + 3 )
+        {
+            char* pTmp;
+
+            pTmp=static_cast<char*>(realloc(pFile->m_pWriteBuf,( ( pFile->m_nWriteBufLen + Len ) * 2) ));
+            if ( pTmp == nullptr )
+            {
+                return false;
+            }
+            pFile->m_pWriteBuf = pTmp;
+            pFile->m_nWriteBufFree = pFile->m_nWriteBufFree + pFile->m_nWriteBufLen + ( 2 * Len );
+            pFile->m_nWriteBufLen = ( pFile->m_nWriteBufLen + Len ) * 2;
+            memset( (pFile->m_pWriteBuf) + ( pFile->m_nWriteBufLen - pFile->m_nWriteBufFree ), 0, pFile->m_nWriteBufFree);
+        }
+    }
+
+    memcpy(pFile->m_pWriteBuf + ( pFile->m_nWriteBufLen - pFile->m_nWriteBufFree ),pszLine,Len+1);
+    pFile->m_pWriteBuf[pFile->m_nWriteBufLen - pFile->m_nWriteBufFree + Len]='\n';
+    pFile->m_pWriteBuf[pFile->m_nWriteBufLen - pFile->m_nWriteBufFree + Len + 1]='\0';
+
+    pFile->m_nWriteBufFree-=Len+1;
+
+    return true;
+}
+
+static char* stripBlanks(char* String, sal_uInt32* pLen)
+{
+    if ( ( pLen != nullptr ) && ( *pLen != 0 ) )
+    {
+        while ((String[*pLen - 1] == ' ') || (String[*pLen - 1] == '\t'))
+            (*pLen)--;
+
+        while ( (*String == ' ') || (*String == '\t') )
+        {
+            String++;
+            (*pLen)--;
+        }
+    }
+    else
+        while ( (*String == ' ') || (*String == '\t') )
+            String++;
+
+    return String;
+}
+
+static char* addLine(osl_TProfileImpl* pProfile, const char* Line)
+{
+    if (pProfile->m_NoLines >= pProfile->m_MaxLines)
+    {
+        if (pProfile->m_Lines == nullptr)
+        {
+            pProfile->m_MaxLines = LINES_INI;
+            pProfile->m_Lines = static_cast<char **>(calloc(pProfile->m_MaxLines, sizeof(char *)));
+        }
+        else
+        {
+            unsigned int idx=0;
+            unsigned int oldmax=pProfile->m_MaxLines;
+
+            pProfile->m_MaxLines += LINES_ADD;
+            pProfile->m_Lines = static_cast<char **>(realloc(pProfile->m_Lines,
+                                                 pProfile->m_MaxLines * sizeof(char *)));
+            for ( idx = oldmax ; idx < pProfile->m_MaxLines ; ++idx )
+            {
+                pProfile->m_Lines[idx]=nullptr;
+            }
+        }
+    }
+    if (pProfile->m_Lines == nullptr)
+    {
+        pProfile->m_NoLines  = 0;
+        pProfile->m_MaxLines = 0;
+        return nullptr;
+    }
+
+    if ( pProfile->m_Lines[pProfile->m_NoLines] != nullptr )
+    {
+        free(pProfile->m_Lines[pProfile->m_NoLines]);
+    }
+    pProfile->m_Lines[pProfile->m_NoLines++] = strdup(Line);
+
+    return pProfile->m_Lines[pProfile->m_NoLines - 1];
+}
+
+static char* insertLine(osl_TProfileImpl* pProfile, const char* Line, sal_uInt32 LineNo)
+{
+    if (pProfile->m_NoLines >= pProfile->m_MaxLines)
+    {
+        if (pProfile->m_Lines == nullptr)
+        {
+            pProfile->m_MaxLines = LINES_INI;
+            pProfile->m_Lines = static_cast<char **>(calloc(pProfile->m_MaxLines, sizeof(char *)));
+        }
+        else
+        {
+            pProfile->m_MaxLines += LINES_ADD;
+            pProfile->m_Lines = static_cast<char **>(realloc(pProfile->m_Lines,
+                                                 pProfile->m_MaxLines * sizeof(char *)));
+
+            memset(&pProfile->m_Lines[pProfile->m_NoLines],
+                0,
+                (pProfile->m_MaxLines - pProfile->m_NoLines - 1) * sizeof(char*));
+        }
+
+        if (pProfile->m_Lines == nullptr)
+        {
+            pProfile->m_NoLines  = 0;
+            pProfile->m_MaxLines = 0;
+            return nullptr;
+        }
+    }
+
+    LineNo = std::min(LineNo, pProfile->m_NoLines);
+
+    if (LineNo < pProfile->m_NoLines)
+    {
+        sal_uInt32 i, n;
+
+        memmove(&pProfile->m_Lines[LineNo + 1], &pProfile->m_Lines[LineNo],
+                (pProfile->m_NoLines - LineNo) * sizeof(char *));
+
+        /* adjust line references */
+        for (i = 0; i < pProfile->m_NoSections; i++)
+        {
+            osl_TProfileSection* pSec = &pProfile->m_Sections[i];
+
+            if (pSec->m_Line >= LineNo)
+                pSec->m_Line++;
+
+            for (n = 0; n < pSec->m_NoEntries; n++)
+                if (pSec->m_Entries[n].m_Line >= LineNo)
+                    pSec->m_Entries[n].m_Line++;
+        }
+    }
+
+    pProfile->m_NoLines++;
+
+    pProfile->m_Lines[LineNo] = strdup(Line);
+
+    return pProfile->m_Lines[LineNo];
+}
+
+static void removeLine(osl_TProfileImpl* pProfile, sal_uInt32 LineNo)
+{
+    if (LineNo >= pProfile->m_NoLines)
+        return;
+
+    free(pProfile->m_Lines[LineNo]);
+    pProfile->m_Lines[LineNo]=nullptr;
+    if (pProfile->m_NoLines - LineNo > 1)
+    {
+        sal_uInt32 i, n;
+
+        memmove(&pProfile->m_Lines[LineNo], &pProfile->m_Lines[LineNo + 1],
+                (pProfile->m_NoLines - LineNo - 1) * sizeof(char *));
+
+        memset(&pProfile->m_Lines[pProfile->m_NoLines - 1],
+            0,
+            (pProfile->m_MaxLines - pProfile->m_NoLines) * sizeof(char*));
+
+        /* adjust line references */
+        for (i = 0; i < pProfile->m_NoSections; i++)
+        {
+            osl_TProfileSection* pSec = &pProfile->m_Sections[i];
+
+            if (pSec->m_Line > LineNo)
+                pSec->m_Line--;
+
+            for (n = 0; n < pSec->m_NoEntries; n++)
+                if (pSec->m_Entries[n].m_Line > LineNo)
+                    pSec->m_Entries[n].m_Line--;
+        }
+    }
+    else
+    {
+        pProfile->m_Lines[LineNo] = nullptr;
+    }
+
+    pProfile->m_NoLines--;
+}
+
+static void setEntry(osl_TProfileImpl* pProfile, osl_TProfileSection* pSection,
+                     sal_uInt32 NoEntry, sal_uInt32 Line,
+                     char* Entry, sal_uInt32 Len)
+{
+    Entry = stripBlanks(Entry, &Len);
+    pSection->m_Entries[NoEntry].m_Line   = Line;
+    pSection->m_Entries[NoEntry].m_Offset = Entry - pProfile->m_Lines[Line];
+    pSection->m_Entries[NoEntry].m_Len    = Len;
+}
+
+static bool addEntry(osl_TProfileImpl* pProfile,
+                     osl_TProfileSection *pSection,
+                     int Line, char* Entry,
+                     sal_uInt32 Len)
+{
+    if (pSection != nullptr)
+    {
+        if (pSection->m_NoEntries >= pSection->m_MaxEntries)
+        {
+            if (pSection->m_Entries == nullptr)
+            {
+                pSection->m_MaxEntries = ENTRIES_INI;
+                pSection->m_Entries = static_cast<osl_TProfileEntry *>(malloc(
+                                pSection->m_MaxEntries * sizeof(osl_TProfileEntry)));
+            }
+            else
+            {
+                pSection->m_MaxEntries += ENTRIES_ADD;
+                pSection->m_Entries = static_cast<osl_TProfileEntry *>(realloc(pSection->m_Entries,
+                                pSection->m_MaxEntries * sizeof(osl_TProfileEntry)));
+            }
+
+            if (pSection->m_Entries == nullptr)
+            {
+                pSection->m_NoEntries  = 0;
+                pSection->m_MaxEntries = 0;
+                return false;
+            }
+        }
+
+        pSection->m_NoEntries++;
+
+        Entry = stripBlanks(Entry, &Len);
+        setEntry(pProfile, pSection, pSection->m_NoEntries - 1, Line,
+                 Entry, Len);
+
+        return true;
+    }
+
+    return false;
+}
+
+static void removeEntry(osl_TProfileSection *pSection, sal_uInt32 NoEntry)
+{
+    if (NoEntry >= pSection->m_NoEntries)
+        return;
+
+    if (pSection->m_NoEntries - NoEntry > 1)
+    {
+        memmove(&pSection->m_Entries[NoEntry],
+                &pSection->m_Entries[NoEntry + 1],
+                (pSection->m_NoEntries - NoEntry - 1) * sizeof(osl_TProfileEntry));
+        pSection->m_Entries[pSection->m_NoEntries - 1].m_Line=0;
+        pSection->m_Entries[pSection->m_NoEntries - 1].m_Offset=0;
+        pSection->m_Entries[pSection->m_NoEntries - 1].m_Len=0;
+    }
+
+    pSection->m_NoEntries--;
+
+}
+
+static bool addSection(osl_TProfileImpl* pProfile, int Line, const char* Section, sal_uInt32 Len)
+{
+    if (pProfile->m_NoSections >= pProfile->m_MaxSections)
+    {
+        if (pProfile->m_Sections == nullptr)
+        {
+            pProfile->m_MaxSections = SECTIONS_INI;
+            pProfile->m_Sections = static_cast<osl_TProfileSection *>(calloc(pProfile->m_MaxSections, sizeof(osl_TProfileSection)));
+        }
+        else
+        {
+            unsigned int idx=0;
+            unsigned int oldmax=pProfile->m_MaxSections;
+
+            pProfile->m_MaxSections += SECTIONS_ADD;
+            pProfile->m_Sections = static_cast<osl_TProfileSection *>(realloc(pProfile->m_Sections,
+                                          pProfile->m_MaxSections * sizeof(osl_TProfileSection)));
+            for ( idx = oldmax ; idx < pProfile->m_MaxSections ; ++idx )
+            {
+                pProfile->m_Sections[idx].m_Entries=nullptr;
+            }
+        }
+
+        if (pProfile->m_Sections == nullptr)
+        {
+            pProfile->m_NoSections = 0;
+            pProfile->m_MaxSections = 0;
+            return false;
+        }
+    }
+
+    pProfile->m_NoSections++;
+
+    if ( pProfile->m_Sections[(pProfile->m_NoSections) - 1].m_Entries != nullptr )
+    {
+         free(pProfile->m_Sections[(pProfile->m_NoSections) - 1].m_Entries);
+    }
+    pProfile->m_Sections[pProfile->m_NoSections - 1].m_Entries    = nullptr;
+    pProfile->m_Sections[pProfile->m_NoSections - 1].m_NoEntries  = 0;
+    pProfile->m_Sections[pProfile->m_NoSections - 1].m_MaxEntries = 0;
+
+    pProfile->m_Sections[pProfile->m_NoSections - 1].m_Line = Line;
+    pProfile->m_Sections[pProfile->m_NoSections - 1].m_Offset = Section - pProfile->m_Lines[Line];
+    pProfile->m_Sections[pProfile->m_NoSections - 1].m_Len = Len;
+
+    return true;
+}
+
+static void removeSection(osl_TProfileImpl* pProfile, osl_TProfileSection *pSection)
+{
+    sal_uInt32 Section;
+
+    if ((Section = pSection - pProfile->m_Sections) >= pProfile->m_NoSections)
+        return;
+
+    free (pSection->m_Entries);
+    pSection->m_Entries=nullptr;
+    if (pProfile->m_NoSections - Section > 1)
+    {
+        memmove(&pProfile->m_Sections[Section], &pProfile->m_Sections[Section + 1],
+                (pProfile->m_NoSections - Section - 1) * sizeof(osl_TProfileSection));
+
+        memset(&pProfile->m_Sections[pProfile->m_NoSections - 1],
+               0,
+               (pProfile->m_MaxSections - pProfile->m_NoSections) * sizeof(osl_TProfileSection));
+        pProfile->m_Sections[pProfile->m_NoSections - 1].m_Entries = nullptr;
+    }
+    else
+    {
+        pSection->m_Entries = nullptr;
+    }
+
+    pProfile->m_NoSections--;
+}
+
+static osl_TProfileSection* findEntry(osl_TProfileImpl* pProfile,
+                                      const char* Section,
+                                      const char* Entry,
+                                      sal_uInt32 *pNoEntry)
+{
+    static  sal_uInt32    Sect = 0;
+    sal_uInt32    i, n;
+    sal_uInt32  Len;
+    osl_TProfileSection* pSec=nullptr;
+
+    Len = strlen(Section);
+
+    n = Sect;
+
+    for (i = 0; i < pProfile->m_NoSections; i++)
+    {
+        n %= pProfile->m_NoSections;
+        pSec = &pProfile->m_Sections[n];
+        if ((Len == pSec->m_Len) &&
+            (strncasecmp(Section, &pProfile->m_Lines[pSec->m_Line][pSec->m_Offset], pSec->m_Len)
+             == 0))
+            break;
+        n++;
+    }
+
+    Sect = n;
+
+    if (i < pProfile->m_NoSections)
+    {
+        Len = strlen(Entry);
+
+        *pNoEntry = pSec->m_NoEntries;
+
+        for (i = 0; i < pSec->m_NoEntries; i++)
+        {
+            const char* pStr = &pProfile->m_Lines[pSec->m_Entries[i].m_Line]
+                                     [pSec->m_Entries[i].m_Offset];
+            if ((Len == pSec->m_Entries[i].m_Len) &&
+                (strncasecmp(Entry, pStr, pSec->m_Entries[i].m_Len)
+                 == 0))
+            {
+                *pNoEntry = i;
+                break;
+            }
+        }
+    }
+    else
+        pSec = nullptr;
+
+    return pSec;
+}
+
+static bool loadProfile(osl_TFile* pFile, osl_TProfileImpl* pProfile)
+{
+    sal_uInt32  i;
+    char*   pStr;
+    char*   pChar;
+
+    char* pLine;
+
+    if ( !pFile )
+    {
+        return false;
+    }
+
+    if ( !pProfile )
+    {
+        return false;
+    }
+
+    pProfile->m_NoLines    = 0;
+    pProfile->m_NoSections = 0;
+
+    OSL_VERIFY(OslProfile_rewindFile(pFile, false));
+
+    while ( ( pLine=OslProfile_getLine(pFile) ) != nullptr )
+    {
+        char* bWasAdded = addLine( pProfile, pLine );
+        free( pLine );
+        SAL_WARN_IF(!bWasAdded, "sal.osl", "addLine( pProfile, pLine ) ==> false");
+        if ( ! bWasAdded )
+            return false;
+    }
+
+    for (i = 0; i < pProfile->m_NoLines; i++)
+    {
+        pStr = stripBlanks(pProfile->m_Lines[i], nullptr);
+
+        if ((*pStr == '\0') || (*pStr == ';'))
+            continue;
+
+        if ((*pStr != '[') || ((pChar = strrchr(pStr, ']')) == nullptr) ||
+            ((pChar - pStr) <= 2))
+        {
+            /* insert entry */
+
+            if (pProfile->m_NoSections < 1)
+                continue;
+
+            if ((pChar = strchr(pStr, '=')) == nullptr)
+                pChar = pStr + strlen(pStr);
+
+            if (! addEntry(pProfile, &pProfile->m_Sections[pProfile->m_NoSections - 1],
+                           i, pStr, pChar - pStr))
+            {
+                SAL_WARN("sal.osl", "Adding entry => false");
+                continue;
+            }
+
+        }
+        else
+        {
+            /* new section */
+
+            if (! addSection(pProfile, i, pStr + 1, pChar - pStr - 1))
+            {
+                SAL_WARN("sal.osl", "Adding section => false");
+                continue;
+            }
+
+        }
+    }
+
+    return true;
+}
+
+static bool storeProfile(osl_TProfileImpl* pProfile, bool bCleanup)
+{
+    if (pProfile->m_Lines != nullptr)
+    {
+        if (pProfile->m_Flags & FLG_MODIFIED)
+        {
+            sal_uInt32 i;
+
+            osl_TFile* pTmpFile = osl_openTmpProfileImpl(pProfile);
+
+            if ( pTmpFile == nullptr )
+            {
+                return false;
+            }
+
+            OSL_VERIFY(OslProfile_rewindFile(pTmpFile, true));
+
+            for ( i = 0 ; i < pProfile->m_NoLines ; i++ )
+            {
+                OSL_VERIFY(OslProfile_putLine(pTmpFile, pProfile->m_Lines[i]));
+            }
+
+            if ( ! writeProfileImpl(pTmpFile) )
+            {
+                if ( pTmpFile->m_pWriteBuf != nullptr )
+                {
+                    free(pTmpFile->m_pWriteBuf);
+                }
+
+                pTmpFile->m_pWriteBuf=nullptr;
+                pTmpFile->m_nWriteBufLen=0;
+                pTmpFile->m_nWriteBufFree=0;
+
+                closeFileImpl(pTmpFile,pProfile->m_Flags);
+
+                return false;
+            }
+
+            pProfile->m_Flags &= ~FLG_MODIFIED;
+
+            closeFileImpl(pProfile->m_pFile,pProfile->m_Flags);
+            closeFileImpl(pTmpFile,pProfile->m_Flags);
+
+            osl_ProfileSwapProfileNames(pProfile);
+
+            pProfile->m_pFile = openFileImpl(pProfile->m_FileName,pProfile->m_Flags);
+
+        }
+
+        if (bCleanup)
+        {
+            while (pProfile->m_NoLines > 0)
+                removeLine(pProfile, pProfile->m_NoLines - 1);
+
+            free(pProfile->m_Lines);
+            pProfile->m_Lines = nullptr;
+            pProfile->m_NoLines = 0;
+            pProfile->m_MaxLines = 0;
+
+            while (pProfile->m_NoSections > 0)
+                removeSection(pProfile, &pProfile->m_Sections[pProfile->m_NoSections - 1]);
+
+            free(pProfile->m_Sections);
+            pProfile->m_Sections = nullptr;
+            pProfile->m_NoSections = 0;
+            pProfile->m_MaxSections = 0;
+        }
+    }
+
+    return true;
+}
+
+static osl_TFile* osl_openTmpProfileImpl(osl_TProfileImpl* pProfile)
+{
+    osl_TFile* pFile=nullptr;
+    char const * const pszExtension = "tmp";
+    char pszTmpName[PATH_MAX];
+    oslProfileOption PFlags=0;
+
+    pszTmpName[0] = '\0';
+
+    /* generate tmp profilename */
+    osl_ProfileGenerateExtension(pProfile->m_FileName, pszExtension, pszTmpName, PATH_MAX);
+
+    if ( pszTmpName[0] == 0 )
+    {
+        return nullptr;
+    }
+
+    if ( ! ( pProfile->m_Flags & osl_Profile_READLOCK ) )
+    {
+        PFlags |= osl_Profile_WRITELOCK;
+    }
+
+    /* open this file */
+    pFile = openFileImpl(pszTmpName,pProfile->m_Flags | PFlags);
+
+    /* return new pFile */
+    return pFile;
+}
+
+static bool osl_ProfileSwapProfileNames(osl_TProfileImpl* pProfile)
+{
+    char pszBakFile[PATH_MAX];
+    char pszTmpFile[PATH_MAX];
+
+    pszBakFile[0] = '\0';
+    pszTmpFile[0] = '\0';
+
+    osl_ProfileGenerateExtension(pProfile->m_FileName, "bak", pszBakFile, PATH_MAX);
+    osl_ProfileGenerateExtension(pProfile->m_FileName, "tmp", pszTmpFile, PATH_MAX);
+
+    /* unlink bak */
+    unlink( pszBakFile );
+
+    // Rename ini -> bak, then tmp -> ini:
+    bool result = rename( pProfile->m_FileName, pszBakFile ) == 0;
+    if (!result)
+    {
+        int e = errno;
+        SAL_INFO("sal.file", "rename(" << pProfile->m_FileName << "," << pszBakFile << "): " << UnixErrnoString(e));
+    }
+    else
+    {
+        SAL_INFO("sal.file", "rename(" << pProfile->m_FileName << "," << pszBakFile << "): OK");
+        result = rename( pszTmpFile, pProfile->m_FileName ) == 0;
+        if (!result)
+        {
+            int e = errno;
+            SAL_INFO("sal.file", "rename(" << pszTmpFile << "," << pProfile->m_FileName << "): " << UnixErrnoString(e));
+        }
+        else
+        {
+            SAL_INFO("sal.file", "rename(" << pszTmpFile << "," << pProfile->m_FileName << "): OK");
+        }
+    }
+    return result;
+}
+
+static void osl_ProfileGenerateExtension(const char* pszFileName, const char* pszExtension, char* pszTmpName, int BufferMaxLen)
+{
+    char* cursor = pszTmpName;
+    int len;
+
+    /* concatenate filename + "." + extension, limited to the size of the
+     * output buffer; in case of overrun, data is truncated at the end...
+     * and the result is always 0-terminated.
+     */
+    len = strlen(pszFileName);
+    if(len < BufferMaxLen)
+    {
+        memcpy(cursor, pszFileName, len);
+        cursor += len;
+        BufferMaxLen -= len;
+    }
+    else
+    {
+        memcpy(cursor, pszFileName, BufferMaxLen - 1);
+        cursor += BufferMaxLen - 1;
+        BufferMaxLen = 1;
+    }
+    if(BufferMaxLen > 1)
+    {
+        *cursor++ = '.';
+        BufferMaxLen -= 1;
+    }
+    len = strlen(pszExtension);
+    if(len < BufferMaxLen)
+    {
+        memcpy(cursor, pszExtension, len);
+        cursor += len;
+    }
+    else
+    {
+        memcpy(cursor, pszExtension, BufferMaxLen - 1);
+        cursor += BufferMaxLen - 1;
+    }
+    *cursor = 0;
+}
+
+static osl_TProfileImpl* acquireProfile(oslProfile Profile, bool bWriteable)
+{
+    osl_TProfileImpl* pProfile = static_cast<osl_TProfileImpl*>(Profile);
+    oslProfileOption PFlags=0;
+
+    if ( bWriteable )
+    {
+        PFlags = osl_Profile_DEFAULT | osl_Profile_WRITELOCK;
+    }
+    else
+    {
+        PFlags = osl_Profile_DEFAULT;
+    }
+
+    if (pProfile == nullptr)
+    {
+        if ( ( pProfile = static_cast<osl_TProfileImpl*>(osl_openProfile(nullptr, PFlags )) ) != nullptr )
+        {
+            pProfile->m_Flags |= FLG_AUTOOPEN;
+        }
+    }
+    else
+    {
+        if (! (pProfile->m_Flags & osl_Profile_SYSTEM))
+        {
+            if (! (pProfile->m_Flags & (osl_Profile_READLOCK | osl_Profile_WRITELOCK | osl_Profile_FLUSHWRITE )))
+            {
+                osl_TStamp Stamp;
+
+                if (! (pProfile->m_pFile = openFileImpl(pProfile->m_FileName, pProfile->m_Flags | PFlags )))
+                    return nullptr;
+
+                Stamp = OslProfile_getFileStamp(pProfile->m_pFile);
+
+                if (memcmp(&Stamp, &(pProfile->m_Stamp), sizeof(osl_TStamp)))
+                {
+                    pProfile->m_Stamp = Stamp;
+                    bool bRet = loadProfile(pProfile->m_pFile, pProfile);
+                    SAL_WARN_IF(!bRet, "sal.osl", "loadProfile(pProfile->m_pFile, pProfile) ==> false");
+                }
+            }
+            else
+            {
+                /* A readlock file could not be written */
+                if ((pProfile->m_Flags & osl_Profile_READLOCK) && bWriteable)
+                {
+                    return nullptr;
+                }
+            }
+        }
+    }
+
+    return pProfile;
+}
+
+static bool releaseProfile(osl_TProfileImpl* pProfile)
+{
+    if ( pProfile == nullptr )
+    {
+        return false;
+    }
+
+    if (pProfile->m_Flags & FLG_AUTOOPEN)
+    {
+        return osl_closeProfile(static_cast<oslProfile>(pProfile));
+    }
+
+    if (! (pProfile->m_Flags & (osl_Profile_READLOCK | osl_Profile_WRITELOCK | osl_Profile_FLUSHWRITE )))
+    {
+        if (pProfile->m_Flags & FLG_MODIFIED)
+        {
+            bool bRet = storeProfile(pProfile, false);
+            SAL_WARN_IF(!bRet, "sal.osl", "storeProfile(pProfile, false) ==> false");
+        }
+
+        closeFileImpl(pProfile->m_pFile,pProfile->m_Flags);
+        pProfile->m_pFile = nullptr;
+    }
+
+    return true;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */