Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

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

1 files changed, 249 insertions, 0 deletions

diff --git a/src/VBox/Runtime/common/path/RTPathParse.cpp.h b/src/VBox/Runtime/common/path/RTPathParse.cpp.h
new file mode 100644
index 00000000..db394c3a
--- /dev/null
+++ b/src/VBox/Runtime/common/path/RTPathParse.cpp.h
@@ -0,0 +1,249 @@
+/* $Id: RTPathParse.cpp.h $ */
+/** @file
+ * IPRT - RTPathParse - Code Template.
+ *
+ * This file included multiple times with different path style macros.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * 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.
+ */
+
+
+
+/**
+ * @copydoc RTPathParse
+ */
+static int RTPATH_STYLE_FN(rtPathParse)(const char *pszPath, PRTPATHPARSED pParsed, size_t cbParsed, uint32_t fFlags)
+{
+    /*
+     * Parse the root specification if present and initialize the parser state
+     * (keep it on the stack for speed).
+     */
+    uint32_t const  cMaxComps =  cbParsed < RT_UOFFSETOF(RTPATHPARSED, aComps[0xfff0])
+                              ? (uint32_t)((cbParsed - RT_UOFFSETOF(RTPATHPARSED, aComps)) / sizeof(pParsed->aComps[0]))
+                              : 0xfff0;
+    uint32_t        idxComp   = 0;
+    uint32_t        cchPath;
+    uint32_t        offCur;
+    uint16_t        fProps;
+
+    if (RTPATH_IS_SLASH(pszPath[0]))
+    {
+        if (fFlags & RTPATH_STR_F_NO_START)
+        {
+            offCur = 1;
+            while (RTPATH_IS_SLASH(pszPath[offCur]))
+                offCur++;
+            if (!pszPath[offCur])
+                return VERR_PATH_ZERO_LENGTH;
+            fProps = RTPATH_PROP_RELATIVE | RTPATH_PROP_EXTRA_SLASHES;
+            cchPath = 0;
+        }
+#if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS
+        else if (   RTPATH_IS_SLASH(pszPath[1])
+                 && !RTPATH_IS_SLASH(pszPath[2])
+                 && pszPath[2])
+        {
+            /* UNC - skip to the end of the potential namespace or computer name. */
+            offCur = 2;
+            while (!RTPATH_IS_SLASH(pszPath[offCur]) && pszPath[offCur])
+                offCur++;
+
+            /* If there is another slash, we considered it a valid UNC path, if
+               not it's just a root path with an extra slash thrown in. */
+            if (RTPATH_IS_SLASH(pszPath[offCur]))
+            {
+                fProps = RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_UNC | RTPATH_PROP_ABSOLUTE;
+                offCur++;
+                cchPath = offCur;
+            }
+            else
+            {
+                fProps = RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_RELATIVE;
+                offCur = 1;
+                cchPath = 1;
+            }
+        }
+#endif
+        else
+        {
+#if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS
+            fProps = RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_RELATIVE;
+#else
+            fProps = RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE;
+#endif
+            offCur = 1;
+            cchPath = 1;
+        }
+    }
+#if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS
+    else if (RT_C_IS_ALPHA(pszPath[0]) && pszPath[1] == ':')
+    {
+        if (!RTPATH_IS_SLASH(pszPath[2]))
+        {
+            fProps = RTPATH_PROP_VOLUME | RTPATH_PROP_RELATIVE;
+            offCur = 2;
+        }
+        else
+        {
+            fProps = RTPATH_PROP_VOLUME | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE;
+            offCur = 3;
+        }
+        cchPath = offCur;
+    }
+#endif
+    else
+    {
+        fProps  = RTPATH_PROP_RELATIVE;
+        offCur  = 0;
+        cchPath = 0;
+    }
+
+    /* Add it to the component array . */
+    if (offCur && !(fFlags & RTPATH_STR_F_NO_START))
+    {
+        cchPath = offCur;
+        if (idxComp < cMaxComps)
+        {
+            pParsed->aComps[idxComp].off = 0;
+            pParsed->aComps[idxComp].cch = offCur;
+        }
+        idxComp++;
+
+        /* Skip unnecessary slashes following the root-spec. */
+        if (RTPATH_IS_SLASH(pszPath[offCur]))
+        {
+            fProps |= RTPATH_PROP_EXTRA_SLASHES;
+            do
+                offCur++;
+            while (RTPATH_IS_SLASH(pszPath[offCur]));
+        }
+    }
+
+    /*
+     * Parse the rest.
+     */
+    if (pszPath[offCur])
+    {
+        for (;;)
+        {
+            Assert(!RTPATH_IS_SLASH(pszPath[offCur]));
+
+            /* Find the end of the component. */
+            uint32_t    offStart = offCur;
+            char        ch;
+            while ((ch = pszPath[offCur]) != '\0' && !RTPATH_IS_SLASH(ch))
+                offCur++;
+            if (offCur >= _64K)
+                return VERR_FILENAME_TOO_LONG;
+
+            /* Add it. */
+            uint32_t cchComp = offCur - offStart;
+            if (idxComp < cMaxComps)
+            {
+                pParsed->aComps[idxComp].off = offStart;
+                pParsed->aComps[idxComp].cch = cchComp;
+            }
+            idxComp++;
+            cchPath += cchComp;
+
+            /* Look for '.' and '..' references. */
+            if (cchComp == 1 && pszPath[offCur - 1] == '.')
+                fProps |= RTPATH_PROP_DOT_REFS;
+            else if (cchComp == 2 && pszPath[offCur - 1] == '.' && pszPath[offCur - 2] == '.')
+            {
+                fProps &= ~RTPATH_PROP_ABSOLUTE;
+                fProps |= RTPATH_PROP_DOTDOT_REFS | RTPATH_PROP_RELATIVE;
+            }
+
+            /* Skip unnecessary slashes. Leave ch unchanged! */
+            char ch2 = ch;
+            if (ch2)
+            {
+                ch2 = pszPath[++offCur];
+                if (RTPATH_IS_SLASH(ch2))
+                {
+                    fProps |= RTPATH_PROP_EXTRA_SLASHES;
+                    do
+                        ch2 = pszPath[++offCur];
+                    while (RTPATH_IS_SLASH(ch2));
+                }
+            }
+
+            /* The end? */
+            if (ch2 == '\0')
+            {
+                pParsed->offSuffix = offCur;
+                pParsed->cchSuffix = 0;
+                if (ch)
+                {
+                    if (!(fFlags & RTPATH_STR_F_NO_END))
+                    {
+                        fProps |= RTPATH_PROP_DIR_SLASH; /* (not counted in component, but in cchPath) */
+                        cchPath++;
+                    }
+                    else
+                        fProps |= RTPATH_PROP_EXTRA_SLASHES;
+                }
+                else if (!(fFlags & RTPATH_STR_F_NO_END))
+                {
+                    fProps |= RTPATH_PROP_FILENAME;
+
+                    /* look for an ? */
+                    uint32_t offSuffix = offStart + cchComp;
+                    while (offSuffix-- > offStart)
+                        if (pszPath[offSuffix] == '.')
+                        {
+                            uint32_t cchSuffix = offStart + cchComp - offSuffix;
+                            if (cchSuffix > 1 && offStart != offSuffix)
+                            {
+                                pParsed->cchSuffix = cchSuffix;
+                                pParsed->offSuffix = offSuffix;
+                                fProps |= RTPATH_PROP_SUFFIX;
+                            }
+                            break;
+                        }
+                }
+                break;
+            }
+
+            /* No, not the end. Account for an separator before we restart the loop. */
+            cchPath += sizeof(RTPATH_SLASH_STR) - 1;
+        }
+    }
+    else
+    {
+        pParsed->offSuffix = offCur;
+        pParsed->cchSuffix = 0;
+    }
+    if (offCur >= _64K)
+        return VERR_FILENAME_TOO_LONG;
+
+    /*
+     * Store the remainder of the state and we're done.
+     */
+    pParsed->fProps  = fProps;
+    pParsed->cchPath = cchPath;
+    pParsed->cComps  = idxComp;
+
+    return idxComp <= cMaxComps ? VINF_SUCCESS : VERR_BUFFER_OVERFLOW;
+}
+