diff options
Diffstat (limited to 'CPP/Windows/FileDir.cpp')
| -rw-r--r-- | CPP/Windows/FileDir.cpp | 408 |
1 files changed, 386 insertions, 22 deletions
diff --git a/CPP/Windows/FileDir.cpp b/CPP/Windows/FileDir.cpp index 62b11c10..c06e7f37 100644 --- a/CPP/Windows/FileDir.cpp +++ b/CPP/Windows/FileDir.cpp @@ -2,8 +2,21 @@ #include "StdAfx.h" -#ifndef _UNICODE + +#ifndef _WIN32 +#include <stdio.h> +#include <errno.h> +#include <limits.h> +#include <unistd.h> +#include <time.h> +#include <utime.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <sys/types.h> + #include "../Common/StringConvert.h" +#include "../Common/C_FileIO.h" +#include "TimeUtils.h" #endif #include "FileDir.h" @@ -22,6 +35,8 @@ namespace NWindows { namespace NFile { namespace NDir { +#ifdef _WIN32 + #ifndef UNDER_CE bool GetWindowsDir(FString &path) @@ -67,7 +82,8 @@ bool GetSystemDir(FString &path) } return (needLength > 0 && needLength <= MAX_PATH); } -#endif +#endif // UNDER_CE + bool SetDirTime(CFSTR path, const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime) { @@ -102,6 +118,8 @@ bool SetDirTime(CFSTR path, const FILETIME *cTime, const FILETIME *aTime, const return res; } + + bool SetFileAttrib(CFSTR path, DWORD attrib) { #ifndef _UNICODE @@ -131,8 +149,10 @@ bool SetFileAttrib(CFSTR path, DWORD attrib) bool SetFileAttrib_PosixHighDetect(CFSTR path, DWORD attrib) { + #ifdef _WIN32 if ((attrib & 0xF0000000) != 0) attrib &= 0x3FFF; + #endif return SetFileAttrib(path, attrib); } @@ -163,6 +183,7 @@ bool RemoveDir(CFSTR path) return false; } + bool MyMoveFile(CFSTR oldFile, CFSTR newFile) { #ifndef _UNICODE @@ -175,8 +196,10 @@ bool MyMoveFile(CFSTR oldFile, CFSTR newFile) #endif { IF_USE_MAIN_PATH_2(oldFile, newFile) + { if (::MoveFileW(fs2us(oldFile), fs2us(newFile))) return true; + } #ifdef WIN_LONG_PATH if (USE_SUPER_PATH_2) { @@ -190,7 +213,6 @@ bool MyMoveFile(CFSTR oldFile, CFSTR newFile) } #ifndef UNDER_CE - EXTERN_C_BEGIN typedef BOOL (WINAPI *Func_CreateHardLinkW)( LPCWSTR lpFileName, @@ -198,6 +220,7 @@ typedef BOOL (WINAPI *Func_CreateHardLinkW)( LPSECURITY_ATTRIBUTES lpSecurityAttributes ); EXTERN_C_END +#endif // UNDER_CE bool MyCreateHardLink(CFSTR newFileName, CFSTR existFileName) { @@ -215,12 +238,14 @@ bool MyCreateHardLink(CFSTR newFileName, CFSTR existFileName) #endif { Func_CreateHardLinkW my_CreateHardLinkW = (Func_CreateHardLinkW) - ::GetProcAddress(::GetModuleHandleW(L"kernel32.dll"), "CreateHardLinkW"); + (void *)::GetProcAddress(::GetModuleHandleW(L"kernel32.dll"), "CreateHardLinkW"); if (!my_CreateHardLinkW) return false; IF_USE_MAIN_PATH_2(newFileName, existFileName) + { if (my_CreateHardLinkW(fs2us(newFileName), fs2us(existFileName), NULL)) return true; + } #ifdef WIN_LONG_PATH if (USE_SUPER_PATH_2) { @@ -233,7 +258,6 @@ bool MyCreateHardLink(CFSTR newFileName, CFSTR existFileName) return false; } -#endif /* WinXP-64 CreateDir(): @@ -333,6 +357,10 @@ static bool CreateDir2(CFSTR path) return fi.IsDir(); } +#endif // _WIN32 + +static bool CreateDir2(CFSTR path); + bool CreateComplexDir(CFSTR _path) { #ifdef _WIN32 @@ -348,11 +376,21 @@ bool CreateComplexDir(CFSTR _path) if (IsDriveRootPath_SuperAllowed(_path)) return false; - unsigned prefixSize = GetRootPrefixSize(_path); + const unsigned prefixSize = GetRootPrefixSize(_path); - #endif + #endif // UNDER_CE + + #else // _WIN32 + + // Posix + NFind::CFileInfo fi; + if (fi.Find(_path)) + { + if (fi.IsDir()) + return true; + } - #endif + #endif // _WIN32 FString path (_path); @@ -365,7 +403,7 @@ bool CreateComplexDir(CFSTR _path) } const FString path2 (path); - pos = path.Len(); + pos = (int)path.Len(); for (;;) { @@ -384,17 +422,17 @@ bool CreateComplexDir(CFSTR _path) return false; #endif - path.DeleteFrom(pos); + path.DeleteFrom((unsigned)pos); } while (pos < (int)path2.Len()) { - int pos2 = NName::FindSepar(path2.Ptr(pos + 1)); + int pos2 = NName::FindSepar(path2.Ptr((unsigned)pos + 1)); if (pos2 < 0) - pos = path2.Len(); + pos = (int)path2.Len(); else pos += 1 + pos2; - path.SetFrom(path2, pos); + path.SetFrom(path2, (unsigned)pos); if (!CreateDir(path)) return false; } @@ -402,6 +440,9 @@ bool CreateComplexDir(CFSTR _path) return true; } + +#ifdef _WIN32 + bool DeleteFileAlways(CFSTR path) { /* If alt stream, we also need to clear READ-ONLY attribute of main file before delete. @@ -412,7 +453,7 @@ bool DeleteFileAlways(CFSTR path) && (attrib & FILE_ATTRIBUTE_DIRECTORY) == 0 && (attrib & FILE_ATTRIBUTE_READONLY) != 0) { - if (!SetFileAttrib(path, attrib & ~FILE_ATTRIBUTE_READONLY)) + if (!SetFileAttrib(path, attrib & ~(DWORD)FILE_ATTRIBUTE_READONLY)) return false; } } @@ -443,6 +484,8 @@ bool DeleteFileAlways(CFSTR path) return false; } + + bool RemoveDirWithSubItems(const FString &path) { bool needRemoveSubItems = true; @@ -466,7 +509,9 @@ bool RemoveDirWithSubItems(const FString &path) const unsigned prefixSize = s.Len(); NFind::CEnumerator enumerator; enumerator.SetDirPrefix(s); - NFind::CFileInfo fi; + NFind::CDirEntry fi; + bool isError = false; + DWORD lastError = 0; while (enumerator.Next(fi)) { s.DeleteFrom(prefixSize); @@ -474,18 +519,32 @@ bool RemoveDirWithSubItems(const FString &path) if (fi.IsDir()) { if (!RemoveDirWithSubItems(s)) - return false; + { + lastError = GetLastError(); + isError = true; + } } else if (!DeleteFileAlways(s)) - return false; + { + lastError = GetLastError(); + isError = false; + } + } + if (isError) + { + SetLastError(lastError); + return false; } } + // we clear read-only attrib to remove read-only dir if (!SetFileAttrib(path, 0)) return false; return RemoveDir(path); } +#endif // _WIN32 + #ifdef UNDER_CE bool MyGetFullPathName(CFSTR path, FString &resFullPath) @@ -501,6 +560,8 @@ bool MyGetFullPathName(CFSTR path, FString &resFullPath) return GetFullPath(path, resFullPath); } +#ifdef _WIN32 + bool SetCurrentDir(CFSTR path) { // SetCurrentDirectory doesn't support \\?\ prefix @@ -516,9 +577,11 @@ bool SetCurrentDir(CFSTR path) } } + bool GetCurrentDir(FString &path) { path.Empty(); + DWORD needLength; #ifndef _UNICODE if (!g_IsNT) @@ -539,7 +602,9 @@ bool GetCurrentDir(FString &path) return (needLength > 0 && needLength <= MAX_PATH); } -#endif +#endif // _WIN32 +#endif // UNDER_CE + bool GetFullPathAndSplit(CFSTR path, FString &resDirPrefix, FString &resFileName) { @@ -547,8 +612,9 @@ bool GetFullPathAndSplit(CFSTR path, FString &resDirPrefix, FString &resFileName if (!res) resDirPrefix = path; int pos = resDirPrefix.ReverseFind_PathSepar(); - resFileName = resDirPrefix.Ptr(pos + 1); - resDirPrefix.DeleteFrom(pos + 1); + pos++; + resFileName = resDirPrefix.Ptr((unsigned)pos); + resDirPrefix.DeleteFrom((unsigned)pos); return res; } @@ -560,6 +626,7 @@ bool GetOnlyDirPrefix(CFSTR path, FString &resDirPrefix) bool MyGetTempPath(FString &path) { + #ifdef _WIN32 path.Empty(); DWORD needLength; #ifndef _UNICODE @@ -579,11 +646,27 @@ bool MyGetTempPath(FString &path) path = us2fs(s); } return (needLength > 0 && needLength <= MAX_PATH); + + #else + + // FIXME: improve that code + path = "/tmp/"; + if (!NFind::DoesDirExist_FollowLink(path)) + path = "./"; + return true; + #endif } + static bool CreateTempFile(CFSTR prefix, bool addRandom, FString &path, NIO::COutFile *outFile) { - UInt32 d = (GetTickCount() << 12) ^ (GetCurrentThreadId() << 14) ^ GetCurrentProcessId(); + UInt32 d = + #ifdef _WIN32 + (GetTickCount() << 12) ^ (GetCurrentThreadId() << 14) ^ GetCurrentProcessId(); + #else + (UInt32)(time(NULL) << 12) ^ ((UInt32)getppid() << 14) ^ (UInt32)(getpid()); + #endif + for (unsigned i = 0; i < 100; i++) { path = prefix; @@ -670,7 +753,7 @@ bool CTempFile::MoveTo(CFSTR name, bool deleteDestBefore) // DWORD attrib = 0; if (deleteDestBefore) { - if (NFind::DoesFileExist(name)) + if (NFind::DoesFileExist_Raw(name)) { // attrib = NFind::GetFileAttrib(name); if (!DeleteFileAlways(name)) @@ -690,6 +773,7 @@ bool CTempFile::MoveTo(CFSTR name, bool deleteDestBefore) */ } +#ifdef _WIN32 bool CTempDir::Create(CFSTR prefix) { if (!Remove()) @@ -710,5 +794,285 @@ bool CTempDir::Remove() _mustBeDeleted = !RemoveDirWithSubItems(_path); return !_mustBeDeleted; } +#endif + + + +#ifndef _WIN32 + +bool RemoveDir(CFSTR path) +{ + return (rmdir(path) == 0); +} + + +static BOOL My__CopyFile(CFSTR oldFile, CFSTR newFile) +{ + NWindows::NFile::NIO::COutFile outFile; + if (!outFile.Create(newFile, false)) + return FALSE; + + NWindows::NFile::NIO::CInFile inFile; + if (!inFile.Open(oldFile)) + return FALSE; + + char buf[1 << 14]; + + for (;;) + { + const ssize_t num = inFile.read_part(buf, sizeof(buf)); + if (num == 0) + return TRUE; + if (num < 0) + return FALSE; + size_t processed; + const ssize_t num2 = outFile.write_full(buf, (size_t)num, processed); + if (num2 != num || processed != (size_t)num) + return FALSE; + } +} + + +bool MyMoveFile(CFSTR oldFile, CFSTR newFile) +{ + int res = rename(oldFile, newFile); + if (res == 0) + return true; + if (errno != EXDEV) // (oldFile and newFile are not on the same mounted filesystem) + return false; + + if (My__CopyFile(oldFile, newFile) == FALSE) + return false; + + struct stat info_file; + res = stat(oldFile, &info_file); + if (res != 0) + return false; + + /* + ret = chmod(dst,info_file.st_mode & g_umask.mask); + */ + return (unlink(oldFile) == 0); +} + + +bool CreateDir(CFSTR path) +{ + return (mkdir(path, 0777) == 0); // change it +} + +static bool CreateDir2(CFSTR path) +{ + return (mkdir(path, 0777) == 0); // change it +} + + +bool DeleteFileAlways(CFSTR path) +{ + return (remove(path) == 0); +} + +bool SetCurrentDir(CFSTR path) +{ + return (chdir(path) == 0); +} + + +bool GetCurrentDir(FString &path) +{ + path.Empty(); + + #define MY__PATH_MAX PATH_MAX + // #define MY__PATH_MAX 1024 + + char s[MY__PATH_MAX + 1]; + char *res = getcwd(s, MY__PATH_MAX); + if (!res) + { + // if (errno != ERANGE) + return false; + } + path = fas2fs(s); + return true; +} + + +static void FILETME_To_timespec(const FILETIME *ft, timespec &ts) +{ + if (ft) + { + const Int64 sec = NTime::FileTimeToUnixTime64(*ft); + // time_t is long + const time_t sec2 = (time_t)sec; + if (sec2 == sec) + { + ts.tv_sec = sec2; + const UInt64 winTime = (((UInt64)ft->dwHighDateTime) << 32) + ft->dwLowDateTime; + ts.tv_nsec = (long)((winTime % 10000000) * 100); + return; + } + } + // else + { + ts.tv_sec = 0; + // ts.tv_nsec = UTIME_NOW; // set to the current time + ts.tv_nsec = UTIME_OMIT; // keep old timesptamp + } +} + + + + +bool SetDirTime(CFSTR path, const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime) +{ + // need testing + /* + struct utimbuf buf; + struct stat st; + UNUSED_VAR(cTime) + + printf("\nstat = %s\n", path); + int ret = stat(path, &st); + + if (ret == 0) + { + buf.actime = st.st_atime; + buf.modtime = st.st_mtime; + } + else + { + time_t cur_time = time(0); + buf.actime = cur_time; + buf.modtime = cur_time; + } + + if (aTime) + { + UInt32 ut; + if (NTime::FileTimeToUnixTime(*aTime, ut)) + buf.actime = ut; + } + + if (mTime) + { + UInt32 ut; + if (NTime::FileTimeToUnixTime(*mTime, ut)) + buf.modtime = ut; + } + + return utime(path, &buf) == 0; + */ + + // if (!aTime && !mTime) return true; + + struct timespec times[2]; + UNUSED_VAR(cTime) + + FILETME_To_timespec(aTime, times[0]); + FILETME_To_timespec(mTime, times[1]); + + const int flags = 0; // follow link + // = AT_SYMLINK_NOFOLLOW; // don't follow link + return utimensat(AT_FDCWD, path, times, flags) == 0; +} + + + +struct C_umask +{ + mode_t mask; + + C_umask() + { + /* by security reasons we restrict attributes according + with process's file mode creation mask (umask) */ + const mode_t um = umask(0); // octal :0022 is expected + mask = 0777 & (~um); // octal: 0755 is expected + umask(um); // restore the umask + // printf("\n umask = 0%03o mask = 0%03o\n", um, mask); + + // mask = 0777; // debug we can disable the restriction: + } +}; + +static C_umask g_umask; + +// #define PRF(x) x; +#define PRF(x) + +#define TRACE_SetFileAttrib(msg) \ + PRF(printf("\nSetFileAttrib(%s, %x) : %s\n", (const char *)path, attrib, msg)); + +#define TRACE_chmod(s, mode) \ + PRF(printf("\n chmod(%s, %o)\n", (const char *)path, (unsigned)(mode))); + + +bool SetFileAttrib_PosixHighDetect(CFSTR path, DWORD attrib) +{ + TRACE_SetFileAttrib(""); + + struct stat st; + + bool use_lstat = true; + if (use_lstat) + { + if (lstat(path, &st) != 0) + { + TRACE_SetFileAttrib("bad lstat()"); + return false; + } + } + else + { + if (stat(path, &st) != 0) + { + TRACE_SetFileAttrib("bad stat()"); + return false; + } + } + + if (attrib & FILE_ATTRIBUTE_UNIX_EXTENSION) + { + st.st_mode = attrib >> 16; + if (S_ISDIR(st.st_mode)) + { + // user/7z must be able to create files in this directory + st.st_mode |= (S_IRUSR | S_IWUSR | S_IXUSR); + } + else if (!S_ISREG(st.st_mode)) + return true; + } + else if (S_ISLNK(st.st_mode)) + { + // change it + SetLastError(ENOSYS); + return false; + } + else + { + // Only Windows Attributes + if (S_ISDIR(st.st_mode) + || (attrib & FILE_ATTRIBUTE_READONLY) == 0) + return true; + st.st_mode &= ~(mode_t)(S_IWUSR | S_IWGRP | S_IWOTH); // octal: ~0222; // disable write permissions + } + + TRACE_chmod(path, (st.st_mode) & g_umask.mask); + int res = chmod(path, (st.st_mode) & g_umask.mask); + + // TRACE_SetFileAttrib("OK") + return (res == 0); +} + + +bool MyCreateHardLink(CFSTR newFileName, CFSTR existFileName) +{ + PRF(printf("\nhard link() %s -> %s\n", newFileName, existFileName)); + return (link(existFileName, newFileName) == 0); +} + +#endif // !_WIN32 + +// #endif }}} |