diff options
Diffstat (limited to '')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/Windows/FileName.cpp | 839 |
1 files changed, 839 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/Windows/FileName.cpp b/other-licenses/7zstub/src/CPP/Windows/FileName.cpp new file mode 100644 index 0000000000..2a227dc600 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/Windows/FileName.cpp @@ -0,0 +1,839 @@ +// Windows/FileName.cpp
+
+#include "StdAfx.h"
+
+#include "FileName.h"
+
+#ifndef _UNICODE
+extern bool g_IsNT;
+#endif
+
+namespace NWindows {
+namespace NFile {
+namespace NName {
+
+#define IS_SEPAR(c) IS_PATH_SEPAR(c)
+
+int FindSepar(const wchar_t *s) throw()
+{
+ for (const wchar_t *p = s;; p++)
+ {
+ const wchar_t c = *p;
+ if (c == 0)
+ return -1;
+ if (IS_SEPAR(c))
+ return (int)(p - s);
+ }
+}
+
+#ifndef USE_UNICODE_FSTRING
+int FindSepar(const FChar *s) throw()
+{
+ for (const FChar *p = s;; p++)
+ {
+ const FChar c = *p;
+ if (c == 0)
+ return -1;
+ if (IS_SEPAR(c))
+ return (int)(p - s);
+ }
+}
+#endif
+
+#ifndef USE_UNICODE_FSTRING
+void NormalizeDirPathPrefix(FString &dirPath)
+{
+ if (dirPath.IsEmpty())
+ return;
+ if (!IsPathSepar(dirPath.Back()))
+ dirPath.Add_PathSepar();
+}
+#endif
+
+void NormalizeDirPathPrefix(UString &dirPath)
+{
+ if (dirPath.IsEmpty())
+ return;
+ if (!IsPathSepar(dirPath.Back()))
+ dirPath.Add_PathSepar();
+}
+
+#define IS_LETTER_CHAR(c) ((c) >= 'a' && (c) <= 'z' || (c) >= 'A' && (c) <= 'Z')
+
+bool IsDrivePath(const wchar_t *s) throw() { return IS_LETTER_CHAR(s[0]) && s[1] == ':' && IS_SEPAR(s[2]); }
+
+bool IsAltPathPrefix(CFSTR s) throw()
+{
+ unsigned len = MyStringLen(s);
+ if (len == 0)
+ return false;
+ if (s[len - 1] != ':')
+ return false;
+
+ #if defined(_WIN32) && !defined(UNDER_CE)
+ if (IsDevicePath(s))
+ return false;
+ if (IsSuperPath(s))
+ {
+ s += kSuperPathPrefixSize;
+ len -= kSuperPathPrefixSize;
+ }
+ if (len == 2 && IsDrivePath2(s))
+ return false;
+ #endif
+
+ return true;
+}
+
+#if defined(_WIN32) && !defined(UNDER_CE)
+
+const char * const kSuperPathPrefix = "\\\\?\\";
+static const char * const kSuperUncPrefix = "\\\\?\\UNC\\";
+
+#define IS_DEVICE_PATH(s) (IS_SEPAR((s)[0]) && IS_SEPAR((s)[1]) && (s)[2] == '.' && IS_SEPAR((s)[3]))
+#define IS_SUPER_PREFIX(s) (IS_SEPAR((s)[0]) && IS_SEPAR((s)[1]) && (s)[2] == '?' && IS_SEPAR((s)[3]))
+#define IS_SUPER_OR_DEVICE_PATH(s) (IS_SEPAR((s)[0]) && IS_SEPAR((s)[1]) && ((s)[2] == '?' || (s)[2] == '.') && IS_SEPAR((s)[3]))
+
+#define IS_UNC_WITH_SLASH(s) ( \
+ ((s)[0] == 'U' || (s)[0] == 'u') \
+ && ((s)[1] == 'N' || (s)[1] == 'n') \
+ && ((s)[2] == 'C' || (s)[2] == 'c') \
+ && IS_SEPAR((s)[3]))
+
+bool IsDevicePath(CFSTR s) throw()
+{
+ #ifdef UNDER_CE
+
+ s = s;
+ return false;
+ /*
+ // actually we don't know the way to open device file in WinCE.
+ unsigned len = MyStringLen(s);
+ if (len < 5 || len > 5 || !IsString1PrefixedByString2(s, "DSK"))
+ return false;
+ if (s[4] != ':')
+ return false;
+ // for reading use SG_REQ sg; if (DeviceIoControl(dsk, IOCTL_DISK_READ));
+ */
+
+ #else
+
+ if (!IS_DEVICE_PATH(s))
+ return false;
+ unsigned len = MyStringLen(s);
+ if (len == 6 && s[5] == ':')
+ return true;
+ if (len < 18 || len > 22 || !IsString1PrefixedByString2(s + kDevicePathPrefixSize, "PhysicalDrive"))
+ return false;
+ for (unsigned i = 17; i < len; i++)
+ if (s[i] < '0' || s[i] > '9')
+ return false;
+ return true;
+
+ #endif
+}
+
+bool IsSuperUncPath(CFSTR s) throw() { return (IS_SUPER_PREFIX(s) && IS_UNC_WITH_SLASH(s + kSuperPathPrefixSize)); }
+bool IsNetworkPath(CFSTR s) throw()
+{
+ if (!IS_SEPAR(s[0]) || !IS_SEPAR(s[1]))
+ return false;
+ if (IsSuperUncPath(s))
+ return true;
+ FChar c = s[2];
+ return (c != '.' && c != '?');
+}
+
+unsigned GetNetworkServerPrefixSize(CFSTR s) throw()
+{
+ if (!IS_SEPAR(s[0]) || !IS_SEPAR(s[1]))
+ return 0;
+ unsigned prefixSize = 2;
+ if (IsSuperUncPath(s))
+ prefixSize = kSuperUncPathPrefixSize;
+ else
+ {
+ FChar c = s[2];
+ if (c == '.' || c == '?')
+ return 0;
+ }
+ int pos = FindSepar(s + prefixSize);
+ if (pos < 0)
+ return 0;
+ return prefixSize + pos + 1;
+}
+
+bool IsNetworkShareRootPath(CFSTR s) throw()
+{
+ unsigned prefixSize = GetNetworkServerPrefixSize(s);
+ if (prefixSize == 0)
+ return false;
+ s += prefixSize;
+ int pos = FindSepar(s);
+ if (pos < 0)
+ return true;
+ return s[(unsigned)pos + 1] == 0;
+}
+
+static const unsigned kDrivePrefixSize = 3; /* c:\ */
+
+bool IsDrivePath2(const wchar_t *s) throw() { return IS_LETTER_CHAR(s[0]) && s[1] == ':'; }
+// bool IsDriveName2(const wchar_t *s) throw() { return IS_LETTER_CHAR(s[0]) && s[1] == ':' && s[2] == 0; }
+bool IsSuperPath(const wchar_t *s) throw() { return IS_SUPER_PREFIX(s); }
+bool IsSuperOrDevicePath(const wchar_t *s) throw() { return IS_SUPER_OR_DEVICE_PATH(s); }
+// bool IsSuperUncPath(const wchar_t *s) throw() { return (IS_SUPER_PREFIX(s) && IS_UNC_WITH_SLASH(s + kSuperPathPrefixSize)); }
+
+#ifndef USE_UNICODE_FSTRING
+bool IsDrivePath2(CFSTR s) throw() { return IS_LETTER_CHAR(s[0]) && s[1] == ':'; }
+// bool IsDriveName2(CFSTR s) throw() { return IS_LETTER_CHAR(s[0]) && s[1] == ':' && s[2] == 0; }
+bool IsDrivePath(CFSTR s) throw() { return IS_LETTER_CHAR(s[0]) && s[1] == ':' && IS_SEPAR(s[2]); }
+bool IsSuperPath(CFSTR s) throw() { return IS_SUPER_PREFIX(s); }
+bool IsSuperOrDevicePath(CFSTR s) throw() { return IS_SUPER_OR_DEVICE_PATH(s); }
+#endif // USE_UNICODE_FSTRING
+
+bool IsDrivePath_SuperAllowed(CFSTR s) throw()
+{
+ if (IsSuperPath(s))
+ s += kSuperPathPrefixSize;
+ return IsDrivePath(s);
+}
+
+bool IsDriveRootPath_SuperAllowed(CFSTR s) throw()
+{
+ if (IsSuperPath(s))
+ s += kSuperPathPrefixSize;
+ return IsDrivePath(s) && s[kDrivePrefixSize] == 0;
+}
+
+bool IsAbsolutePath(const wchar_t *s) throw()
+{
+ return IS_SEPAR(s[0]) || IsDrivePath2(s);
+}
+
+int FindAltStreamColon(CFSTR path) throw()
+{
+ unsigned i = 0;
+ if (IsDrivePath2(path))
+ i = 2;
+ int colonPos = -1;
+ for (;; i++)
+ {
+ FChar c = path[i];
+ if (c == 0)
+ return colonPos;
+ if (c == ':')
+ {
+ if (colonPos < 0)
+ colonPos = i;
+ continue;
+ }
+ if (IS_SEPAR(c))
+ colonPos = -1;
+ }
+}
+
+#ifndef USE_UNICODE_FSTRING
+
+static unsigned GetRootPrefixSize_Of_NetworkPath(CFSTR s)
+{
+ // Network path: we look "server\path\" as root prefix
+ int pos = FindSepar(s);
+ if (pos < 0)
+ return 0;
+ int pos2 = FindSepar(s + (unsigned)pos + 1);
+ if (pos2 < 0)
+ return 0;
+ return pos + pos2 + 2;
+}
+
+static unsigned GetRootPrefixSize_Of_SimplePath(CFSTR s)
+{
+ if (IsDrivePath(s))
+ return kDrivePrefixSize;
+ if (!IS_SEPAR(s[0]))
+ return 0;
+ if (s[1] == 0 || !IS_SEPAR(s[1]))
+ return 1;
+ unsigned size = GetRootPrefixSize_Of_NetworkPath(s + 2);
+ return (size == 0) ? 0 : 2 + size;
+}
+
+static unsigned GetRootPrefixSize_Of_SuperPath(CFSTR s)
+{
+ if (IS_UNC_WITH_SLASH(s + kSuperPathPrefixSize))
+ {
+ unsigned size = GetRootPrefixSize_Of_NetworkPath(s + kSuperUncPathPrefixSize);
+ return (size == 0) ? 0 : kSuperUncPathPrefixSize + size;
+ }
+ // we support \\?\c:\ paths and volume GUID paths \\?\Volume{GUID}\"
+ int pos = FindSepar(s + kSuperPathPrefixSize);
+ if (pos < 0)
+ return 0;
+ return kSuperPathPrefixSize + pos + 1;
+}
+
+unsigned GetRootPrefixSize(CFSTR s) throw()
+{
+ if (IS_DEVICE_PATH(s))
+ return kDevicePathPrefixSize;
+ if (IsSuperPath(s))
+ return GetRootPrefixSize_Of_SuperPath(s);
+ return GetRootPrefixSize_Of_SimplePath(s);
+}
+
+#endif // USE_UNICODE_FSTRING
+
+static unsigned GetRootPrefixSize_Of_NetworkPath(const wchar_t *s) throw()
+{
+ // Network path: we look "server\path\" as root prefix
+ int pos = FindSepar(s);
+ if (pos < 0)
+ return 0;
+ int pos2 = FindSepar(s + (unsigned)pos + 1);
+ if (pos2 < 0)
+ return 0;
+ return pos + pos2 + 2;
+}
+
+static unsigned GetRootPrefixSize_Of_SimplePath(const wchar_t *s) throw()
+{
+ if (IsDrivePath(s))
+ return kDrivePrefixSize;
+ if (!IS_SEPAR(s[0]))
+ return 0;
+ if (s[1] == 0 || !IS_SEPAR(s[1]))
+ return 1;
+ unsigned size = GetRootPrefixSize_Of_NetworkPath(s + 2);
+ return (size == 0) ? 0 : 2 + size;
+}
+
+static unsigned GetRootPrefixSize_Of_SuperPath(const wchar_t *s) throw()
+{
+ if (IS_UNC_WITH_SLASH(s + kSuperPathPrefixSize))
+ {
+ unsigned size = GetRootPrefixSize_Of_NetworkPath(s + kSuperUncPathPrefixSize);
+ return (size == 0) ? 0 : kSuperUncPathPrefixSize + size;
+ }
+ // we support \\?\c:\ paths and volume GUID paths \\?\Volume{GUID}\"
+ int pos = FindSepar(s + kSuperPathPrefixSize);
+ if (pos < 0)
+ return 0;
+ return kSuperPathPrefixSize + pos + 1;
+}
+
+unsigned GetRootPrefixSize(const wchar_t *s) throw()
+{
+ if (IS_DEVICE_PATH(s))
+ return kDevicePathPrefixSize;
+ if (IsSuperPath(s))
+ return GetRootPrefixSize_Of_SuperPath(s);
+ return GetRootPrefixSize_Of_SimplePath(s);
+}
+
+#else // _WIN32
+
+bool IsAbsolutePath(const wchar_t *s) { return IS_SEPAR(s[0]); }
+
+#ifndef USE_UNICODE_FSTRING
+unsigned GetRootPrefixSize(CFSTR s) { return IS_SEPAR(s[0]) ? 1 : 0; }
+#endif
+unsigned GetRootPrefixSize(const wchar_t *s) { return IS_SEPAR(s[0]) ? 1 : 0; }
+
+#endif // _WIN32
+
+
+#ifndef UNDER_CE
+
+static bool GetCurDir(UString &path)
+{
+ path.Empty();
+ DWORD needLength;
+ #ifndef _UNICODE
+ if (!g_IsNT)
+ {
+ TCHAR s[MAX_PATH + 2];
+ s[0] = 0;
+ needLength = ::GetCurrentDirectory(MAX_PATH + 1, s);
+ path = fs2us(fas2fs(s));
+ }
+ else
+ #endif
+ {
+ WCHAR s[MAX_PATH + 2];
+ s[0] = 0;
+ needLength = ::GetCurrentDirectoryW(MAX_PATH + 1, s);
+ path = s;
+ }
+ return (needLength > 0 && needLength <= MAX_PATH);
+}
+
+static bool ResolveDotsFolders(UString &s)
+{
+ #ifdef _WIN32
+ // s.Replace(L'/', WCHAR_PATH_SEPARATOR);
+ #endif
+
+ for (unsigned i = 0;;)
+ {
+ const wchar_t c = s[i];
+ if (c == 0)
+ return true;
+ if (c == '.' && (i == 0 || IS_SEPAR(s[i - 1])))
+ {
+ const wchar_t c1 = s[i + 1];
+ if (c1 == '.')
+ {
+ const wchar_t c2 = s[i + 2];
+ if (IS_SEPAR(c2) || c2 == 0)
+ {
+ if (i == 0)
+ return false;
+ int k = i - 2;
+ i += 2;
+
+ for (;; k--)
+ {
+ if (k < 0)
+ return false;
+ if (!IS_SEPAR(s[(unsigned)k]))
+ break;
+ }
+
+ do
+ k--;
+ while (k >= 0 && !IS_SEPAR(s[(unsigned)k]));
+
+ unsigned num;
+
+ if (k >= 0)
+ {
+ num = i - k;
+ i = k;
+ }
+ else
+ {
+ num = (c2 == 0 ? i : (i + 1));
+ i = 0;
+ }
+
+ s.Delete(i, num);
+ continue;
+ }
+ }
+ else if (IS_SEPAR(c1) || c1 == 0)
+ {
+ unsigned num = 2;
+ if (i != 0)
+ i--;
+ else if (c1 == 0)
+ num = 1;
+ s.Delete(i, num);
+ continue;
+ }
+ }
+
+ i++;
+ }
+}
+
+#endif // UNDER_CE
+
+#define LONG_PATH_DOTS_FOLDERS_PARSING
+
+
+/*
+Windows (at least 64-bit XP) can't resolve "." or ".." in paths that start with SuperPrefix \\?\
+To solve that problem we check such path:
+ - super path contains "." or ".." - we use kSuperPathType_UseOnlySuper
+ - super path doesn't contain "." or ".." - we use kSuperPathType_UseOnlyMain
+*/
+#ifdef LONG_PATH_DOTS_FOLDERS_PARSING
+#ifndef UNDER_CE
+static bool AreThereDotsFolders(CFSTR s)
+{
+ for (unsigned i = 0;; i++)
+ {
+ FChar c = s[i];
+ if (c == 0)
+ return false;
+ if (c == '.' && (i == 0 || IS_SEPAR(s[i - 1])))
+ {
+ FChar c1 = s[i + 1];
+ if (c1 == 0 || IS_SEPAR(c1) ||
+ (c1 == '.' && (s[i + 2] == 0 || IS_SEPAR(s[i + 2]))))
+ return true;
+ }
+ }
+}
+#endif
+#endif // LONG_PATH_DOTS_FOLDERS_PARSING
+
+#ifdef WIN_LONG_PATH
+
+/*
+Most of Windows versions have problems, if some file or dir name
+contains '.' or ' ' at the end of name (Bad Path).
+To solve that problem, we always use Super Path ("\\?\" prefix and full path)
+in such cases. Note that "." and ".." are not bad names.
+
+There are 3 cases:
+ 1) If the path is already Super Path, we use that path
+ 2) If the path is not Super Path :
+ 2.1) Bad Path; we use only Super Path.
+ 2.2) Good Path; we use Main Path. If it fails, we use Super Path.
+
+ NeedToUseOriginalPath returns:
+ kSuperPathType_UseOnlyMain : Super already
+ kSuperPathType_UseOnlySuper : not Super, Bad Path
+ kSuperPathType_UseMainAndSuper : not Super, Good Path
+*/
+
+int GetUseSuperPathType(CFSTR s) throw()
+{
+ if (IsSuperOrDevicePath(s))
+ {
+ #ifdef LONG_PATH_DOTS_FOLDERS_PARSING
+ if ((s)[2] != '.')
+ if (AreThereDotsFolders(s + kSuperPathPrefixSize))
+ return kSuperPathType_UseOnlySuper;
+ #endif
+ return kSuperPathType_UseOnlyMain;
+ }
+
+ for (unsigned i = 0;; i++)
+ {
+ FChar c = s[i];
+ if (c == 0)
+ return kSuperPathType_UseMainAndSuper;
+ if (c == '.' || c == ' ')
+ {
+ FChar c2 = s[i + 1];
+ if (c2 == 0 || IS_SEPAR(c2))
+ {
+ // if it's "." or "..", it's not bad name.
+ if (c == '.')
+ {
+ if (i == 0 || IS_SEPAR(s[i - 1]))
+ continue;
+ if (s[i - 1] == '.')
+ {
+ if (i - 1 == 0 || IS_SEPAR(s[i - 2]))
+ continue;
+ }
+ }
+ return kSuperPathType_UseOnlySuper;
+ }
+ }
+ }
+}
+
+
+/*
+ returns false in two cases:
+ - if GetCurDir was used, and GetCurDir returned error.
+ - if we can't resolve ".." name.
+ if path is ".", "..", res is empty.
+ if it's Super Path already, res is empty.
+ for \**** , and if GetCurDir is not drive (c:\), res is empty
+ for absolute paths, returns true, res is Super path.
+*/
+
+
+static bool GetSuperPathBase(CFSTR s, UString &res)
+{
+ res.Empty();
+
+ FChar c = s[0];
+ if (c == 0)
+ return true;
+ if (c == '.' && (s[1] == 0 || (s[1] == '.' && s[2] == 0)))
+ return true;
+
+ if (IsSuperOrDevicePath(s))
+ {
+ #ifdef LONG_PATH_DOTS_FOLDERS_PARSING
+
+ if ((s)[2] == '.')
+ return true;
+
+ // we will return true here, so we will try to use these problem paths.
+
+ if (!AreThereDotsFolders(s + kSuperPathPrefixSize))
+ return true;
+
+ UString temp = fs2us(s);
+ unsigned fixedSize = GetRootPrefixSize_Of_SuperPath(temp);
+ if (fixedSize == 0)
+ return true;
+
+ UString rem = &temp[fixedSize];
+ if (!ResolveDotsFolders(rem))
+ return true;
+
+ temp.DeleteFrom(fixedSize);
+ res += temp;
+ res += rem;
+
+ #endif
+
+ return true;
+ }
+
+ if (IS_SEPAR(c))
+ {
+ if (IS_SEPAR(s[1]))
+ {
+ UString temp = fs2us(s + 2);
+ unsigned fixedSize = GetRootPrefixSize_Of_NetworkPath(temp);
+ // we ignore that error to allow short network paths server\share?
+ /*
+ if (fixedSize == 0)
+ return false;
+ */
+ UString rem = &temp[fixedSize];
+ if (!ResolveDotsFolders(rem))
+ return false;
+ res += kSuperUncPrefix;
+ temp.DeleteFrom(fixedSize);
+ res += temp;
+ res += rem;
+ return true;
+ }
+ }
+ else
+ {
+ if (IsDrivePath2(s))
+ {
+ UString temp = fs2us(s);
+ unsigned prefixSize = 2;
+ if (IsDrivePath(s))
+ prefixSize = kDrivePrefixSize;
+ UString rem = temp.Ptr(prefixSize);
+ if (!ResolveDotsFolders(rem))
+ return true;
+ res += kSuperPathPrefix;
+ temp.DeleteFrom(prefixSize);
+ res += temp;
+ res += rem;
+ return true;
+ }
+ }
+
+ UString curDir;
+ if (!GetCurDir(curDir))
+ return false;
+ NormalizeDirPathPrefix(curDir);
+
+ unsigned fixedSizeStart = 0;
+ unsigned fixedSize = 0;
+ const char *superMarker = NULL;
+ if (IsSuperPath(curDir))
+ {
+ fixedSize = GetRootPrefixSize_Of_SuperPath(curDir);
+ if (fixedSize == 0)
+ return false;
+ }
+ else
+ {
+ if (IsDrivePath(curDir))
+ {
+ superMarker = kSuperPathPrefix;
+ fixedSize = kDrivePrefixSize;
+ }
+ else
+ {
+ if (!IsPathSepar(curDir[0]) || !IsPathSepar(curDir[1]))
+ return false;
+ fixedSizeStart = 2;
+ fixedSize = GetRootPrefixSize_Of_NetworkPath(curDir.Ptr(2));
+ if (fixedSize == 0)
+ return false;
+ superMarker = kSuperUncPrefix;
+ }
+ }
+
+ UString temp;
+ if (IS_SEPAR(c))
+ {
+ temp = fs2us(s + 1);
+ }
+ else
+ {
+ temp += &curDir[fixedSizeStart + fixedSize];
+ temp += fs2us(s);
+ }
+ if (!ResolveDotsFolders(temp))
+ return false;
+ if (superMarker)
+ res += superMarker;
+ res += curDir.Mid(fixedSizeStart, fixedSize);
+ res += temp;
+ return true;
+}
+
+
+/*
+ In that case if GetSuperPathBase doesn't return new path, we don't need
+ to use same path that was used as main path
+
+ GetSuperPathBase superPath.IsEmpty() onlyIfNew
+ false * * GetCurDir Error
+ true false * use Super path
+ true true true don't use any path, we already used mainPath
+ true true false use main path as Super Path, we don't try mainMath
+ That case is possible now if GetCurDir returns unknow
+ type of path (not drive and not network)
+
+ We can change that code if we want to try mainPath, if GetSuperPathBase returns error,
+ and we didn't try mainPath still.
+ If we want to work that way, we don't need to use GetSuperPathBase return code.
+*/
+
+bool GetSuperPath(CFSTR path, UString &superPath, bool onlyIfNew)
+{
+ if (GetSuperPathBase(path, superPath))
+ {
+ if (superPath.IsEmpty())
+ {
+ // actually the only possible when onlyIfNew == true and superPath is empty
+ // is case when
+
+ if (onlyIfNew)
+ return false;
+ superPath = fs2us(path);
+ }
+ return true;
+ }
+ return false;
+}
+
+bool GetSuperPaths(CFSTR s1, CFSTR s2, UString &d1, UString &d2, bool onlyIfNew)
+{
+ if (!GetSuperPathBase(s1, d1) ||
+ !GetSuperPathBase(s2, d2))
+ return false;
+ if (d1.IsEmpty() && d2.IsEmpty() && onlyIfNew)
+ return false;
+ if (d1.IsEmpty()) d1 = fs2us(s1);
+ if (d2.IsEmpty()) d2 = fs2us(s2);
+ return true;
+}
+
+
+/*
+// returns true, if we need additional use with New Super path.
+bool GetSuperPath(CFSTR path, UString &superPath)
+{
+ if (GetSuperPathBase(path, superPath))
+ return !superPath.IsEmpty();
+ return false;
+}
+*/
+#endif // WIN_LONG_PATH
+
+bool GetFullPath(CFSTR dirPrefix, CFSTR s, FString &res)
+{
+ res = s;
+
+ #ifdef UNDER_CE
+
+ if (!IS_SEPAR(s[0]))
+ {
+ if (!dirPrefix)
+ return false;
+ res = dirPrefix;
+ res += s;
+ }
+
+ #else
+
+ unsigned prefixSize = GetRootPrefixSize(s);
+ if (prefixSize != 0)
+ {
+ if (!AreThereDotsFolders(s + prefixSize))
+ return true;
+
+ UString rem = fs2us(s + prefixSize);
+ if (!ResolveDotsFolders(rem))
+ return true; // maybe false;
+ res.DeleteFrom(prefixSize);
+ res += us2fs(rem);
+ return true;
+ }
+
+ /*
+ FChar c = s[0];
+ if (c == 0)
+ return true;
+ if (c == '.' && (s[1] == 0 || (s[1] == '.' && s[2] == 0)))
+ return true;
+ if (IS_SEPAR(c) && IS_SEPAR(s[1]))
+ return true;
+ if (IsDrivePath(s))
+ return true;
+ */
+
+ UString curDir;
+ if (dirPrefix)
+ curDir = fs2us(dirPrefix);
+ else
+ {
+ if (!GetCurDir(curDir))
+ return false;
+ }
+ NormalizeDirPathPrefix(curDir);
+
+ unsigned fixedSize = 0;
+
+ #ifdef _WIN32
+
+ if (IsSuperPath(curDir))
+ {
+ fixedSize = GetRootPrefixSize_Of_SuperPath(curDir);
+ if (fixedSize == 0)
+ return false;
+ }
+ else
+ {
+ if (IsDrivePath(curDir))
+ fixedSize = kDrivePrefixSize;
+ else
+ {
+ if (!IsPathSepar(curDir[0]) || !IsPathSepar(curDir[1]))
+ return false;
+ fixedSize = GetRootPrefixSize_Of_NetworkPath(curDir.Ptr(2));
+ if (fixedSize == 0)
+ return false;
+ fixedSize += 2;
+ }
+ }
+
+ #endif // _WIN32
+
+ UString temp;
+ if (IS_SEPAR(s[0]))
+ {
+ temp = fs2us(s + 1);
+ }
+ else
+ {
+ temp += curDir.Ptr(fixedSize);
+ temp += fs2us(s);
+ }
+ if (!ResolveDotsFolders(temp))
+ return false;
+ curDir.DeleteFrom(fixedSize);
+ res = us2fs(curDir);
+ res += us2fs(temp);
+
+ #endif // UNDER_CE
+
+ return true;
+}
+
+bool GetFullPath(CFSTR path, FString &fullPath)
+{
+ return GetFullPath(NULL, path, fullPath);
+}
+
+}}}
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