PathV1 is deprecated since the 18th of Dec 2010. Remove it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184960 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 496 deletions

diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc
deleted file mode 100644
index 29ce9cb3fb..0000000000
--- a/lib/Support/Unix/Path.inc
+++ /dev/null
@@ -1,496 +0,0 @@
-//===- llvm/Support/Unix/Path.cpp - Unix Path Implementation -----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the Unix specific portion of the Path class.
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-//=== WARNING: Implementation here must contain only generic UNIX code that
-//===          is guaranteed to work on *all* UNIX variants.
-//===----------------------------------------------------------------------===//
-
-#include "Unix.h"
-#if HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#if HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#ifdef HAVE_SYS_MMAN_H
-#include <sys/mman.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#if HAVE_UTIME_H
-#include <utime.h>
-#endif
-#if HAVE_TIME_H
-#include <time.h>
-#endif
-#if HAVE_DIRENT_H
-# include <dirent.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#else
-# define dirent direct
-# define NAMLEN(dirent) (dirent)->d_namlen
-# if HAVE_SYS_NDIR_H
-#  include <sys/ndir.h>
-# endif
-# if HAVE_SYS_DIR_H
-#  include <sys/dir.h>
-# endif
-# if HAVE_NDIR_H
-#  include <ndir.h>
-# endif
-#endif
-
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
-
-#ifdef __APPLE__
-#include <mach-o/dyld.h>
-#endif
-
-// For GNU Hurd
-#if defined(__GNU__) && !defined(MAXPATHLEN)
-# define MAXPATHLEN 4096
-#endif
-
-// Put in a hack for Cygwin which falsely reports that the mkdtemp function
-// is available when it is not.
-#ifdef __CYGWIN__
-# undef HAVE_MKDTEMP
-#endif
-
-namespace {
-inline bool lastIsSlash(const std::string& path) {
-  return !path.empty() && path[path.length() - 1] == '/';
-}
-
-}
-
-namespace llvm {
-using namespace sys;
-
-Path::Path(StringRef p)
-  : path(p) {}
-
-Path::Path(const char *StrStart, unsigned StrLen)
-  : path(StrStart, StrLen) {}
-
-Path&
-Path::operator=(StringRef that) {
-  path.assign(that.data(), that.size());
-  return *this;
-}
-
-bool
-Path::isValid() const {
-  // Empty paths are considered invalid here.
-  // This code doesn't check MAXPATHLEN because there's no need. Nothing in
-  // LLVM manipulates Paths with fixed-sizes arrays, and if the OS can't
-  // handle names longer than some limit, it'll report this on demand using
-  // ENAMETOLONG.
-  return !path.empty();
-}
-
-Path
-Path::GetTemporaryDirectory(std::string *ErrMsg) {
-#if defined(HAVE_MKDTEMP)
-  // The best way is with mkdtemp but that's not available on many systems,
-  // Linux and FreeBSD have it. Others probably won't.
-  char pathname[] = "/tmp/llvm_XXXXXX";
-  if (0 == mkdtemp(pathname)) {
-    MakeErrMsg(ErrMsg,
-               std::string(pathname) + ": can't create temporary directory");
-    return Path();
-  }
-  return Path(pathname);
-#elif defined(HAVE_MKSTEMP)
-  // If no mkdtemp is available, mkstemp can be used to create a temporary file
-  // which is then removed and created as a directory. We prefer this over
-  // mktemp because of mktemp's inherent security and threading risks. We still
-  // have a slight race condition from the time the temporary file is created to
-  // the time it is re-created as a directoy.
-  char pathname[] = "/tmp/llvm_XXXXXX";
-  int fd = 0;
-  if (-1 == (fd = mkstemp(pathname))) {
-    MakeErrMsg(ErrMsg,
-      std::string(pathname) + ": can't create temporary directory");
-    return Path();
-  }
-  ::close(fd);
-  ::unlink(pathname); // start race condition, ignore errors
-  if (-1 == ::mkdir(pathname, S_IRWXU)) { // end race condition
-    MakeErrMsg(ErrMsg,
-      std::string(pathname) + ": can't create temporary directory");
-    return Path();
-  }
-  return Path(pathname);
-#elif defined(HAVE_MKTEMP)
-  // If a system doesn't have mkdtemp(3) or mkstemp(3) but it does have
-  // mktemp(3) then we'll assume that system (e.g. AIX) has a reasonable
-  // implementation of mktemp(3) and doesn't follow BSD 4.3's lead of replacing
-  // the XXXXXX with the pid of the process and a letter. That leads to only
-  // twenty six temporary files that can be generated.
-  char pathname[] = "/tmp/llvm_XXXXXX";
-  char *TmpName = ::mktemp(pathname);
-  if (TmpName == 0) {
-    MakeErrMsg(ErrMsg,
-      std::string(TmpName) + ": can't create unique directory name");
-    return Path();
-  }
-  if (-1 == ::mkdir(TmpName, S_IRWXU)) {
-    MakeErrMsg(ErrMsg,
-        std::string(TmpName) + ": can't create temporary directory");
-    return Path();
-  }
-  return Path(TmpName);
-#else
-  // This is the worst case implementation. tempnam(3) leaks memory unless its
-  // on an SVID2 (or later) system. On BSD 4.3 it leaks. tmpnam(3) has thread
-  // issues. The mktemp(3) function doesn't have enough variability in the
-  // temporary name generated. So, we provide our own implementation that
-  // increments an integer from a random number seeded by the current time. This
-  // should be sufficiently unique that we don't have many collisions between
-  // processes. Generally LLVM processes don't run very long and don't use very
-  // many temporary files so this shouldn't be a big issue for LLVM.
-  static time_t num = ::time(0);
-  char pathname[MAXPATHLEN];
-  do {
-    num++;
-    sprintf(pathname, "/tmp/llvm_%010u", unsigned(num));
-  } while ( 0 == access(pathname, F_OK ) );
-  if (-1 == ::mkdir(pathname, S_IRWXU)) {
-    MakeErrMsg(ErrMsg,
-      std::string(pathname) + ": can't create temporary directory");
-    return Path();
-  }
-  return Path(pathname);
-#endif
-}
-
-Path
-Path::GetCurrentDirectory() {
-  char pathname[MAXPATHLEN];
-  if (!getcwd(pathname, MAXPATHLEN)) {
-    assert(false && "Could not query current working directory.");
-    return Path();
-  }
-
-  return Path(pathname);
-}
-
-bool
-Path::exists() const {
-  return 0 == access(path.c_str(), F_OK );
-}
-
-bool
-Path::isDirectory() const {
-  struct stat buf;
-  if (0 != stat(path.c_str(), &buf))
-    return false;
-  return ((buf.st_mode & S_IFMT) == S_IFDIR) ? true : false;
-}
-
-bool
-Path::isSymLink() const {
-  struct stat buf;
-  if (0 != lstat(path.c_str(), &buf))
-    return false;
-  return S_ISLNK(buf.st_mode);
-}
-
-bool
-Path::isRegularFile() const {
-  // Get the status so we can determine if it's a file or directory
-  struct stat buf;
-
-  if (0 != stat(path.c_str(), &buf))
-    return false;
-
-  if (S_ISREG(buf.st_mode))
-    return true;
-
-  return false;
-}
-
-static bool AddPermissionBits(const Path &File, int bits) {
-  // Get the umask value from the operating system.  We want to use it
-  // when changing the file's permissions. Since calling umask() sets
-  // the umask and returns its old value, we must call it a second
-  // time to reset it to the user's preference.
-  int mask = umask(0777); // The arg. to umask is arbitrary.
-  umask(mask);            // Restore the umask.
-
-  // Get the file's current mode.
-  struct stat buf;
-  if (0 != stat(File.c_str(), &buf))
-    return false;
-  // Change the file to have whichever permissions bits from 'bits'
-  // that the umask would not disable.
-  if ((chmod(File.c_str(), (buf.st_mode | (bits & ~mask)))) == -1)
-      return false;
-  return true;
-}
-
-bool Path::makeReadableOnDisk(std::string* ErrMsg) {
-  if (!AddPermissionBits(*this, 0444))
-    return MakeErrMsg(ErrMsg, path + ": can't make file readable");
-  return false;
-}
-
-bool Path::makeWriteableOnDisk(std::string* ErrMsg) {
-  if (!AddPermissionBits(*this, 0222))
-    return MakeErrMsg(ErrMsg, path + ": can't make file writable");
-  return false;
-}
-
-bool
-Path::set(StringRef a_path) {
-  if (a_path.empty())
-    return false;
-  path = a_path;
-  return true;
-}
-
-bool
-Path::appendComponent(StringRef name) {
-  if (name.empty())
-    return false;
-  if (!lastIsSlash(path))
-    path += '/';
-  path += name;
-  return true;
-}
-
-bool
-Path::eraseComponent() {
-  size_t slashpos = path.rfind('/',path.size());
-  if (slashpos == 0 || slashpos == std::string::npos) {
-    path.erase();
-    return true;
-  }
-  if (slashpos == path.size() - 1)
-    slashpos = path.rfind('/',slashpos-1);
-  if (slashpos == std::string::npos) {
-    path.erase();
-    return true;
-  }
-  path.erase(slashpos);
-  return true;
-}
-
-bool
-Path::eraseSuffix() {
-  size_t dotpos = path.rfind('.',path.size());
-  size_t slashpos = path.rfind('/',path.size());
-  if (dotpos != std::string::npos) {
-    if (slashpos == std::string::npos || dotpos > slashpos+1) {
-      path.erase(dotpos, path.size()-dotpos);
-      return true;
-    }
-  }
-  return false;
-}
-
-static bool createDirectoryHelper(char* beg, char* end, bool create_parents) {
-
-  if (access(beg, R_OK | W_OK) == 0)
-    return false;
-
-  if (create_parents) {
-
-    char* c = end;
-
-    for (; c != beg; --c)
-      if (*c == '/') {
-
-        // Recurse to handling the parent directory.
-        *c = '\0';
-        bool x = createDirectoryHelper(beg, c, create_parents);
-        *c = '/';
-
-        // Return if we encountered an error.
-        if (x)
-          return true;
-
-        break;
-      }
-  }
-
-  return mkdir(beg, S_IRWXU | S_IRWXG) != 0;
-}
-
-bool
-Path::createDirectoryOnDisk( bool create_parents, std::string* ErrMsg ) {
-  // Get a writeable copy of the path name
-  std::string pathname(path);
-
-  // Null-terminate the last component
-  size_t lastchar = path.length() - 1 ;
-
-  if (pathname[lastchar] != '/')
-    ++lastchar;
-
-  pathname[lastchar] = '\0';
-
-  if (createDirectoryHelper(&pathname[0], &pathname[lastchar], create_parents))
-    return MakeErrMsg(ErrMsg, pathname + ": can't create directory");
-
-  return false;
-}
-
-bool
-Path::createTemporaryFileOnDisk(bool reuse_current, std::string* ErrMsg) {
-  // Make this into a unique file name
-  if (makeUnique( reuse_current, ErrMsg ))
-    return true;
-
-  // create the file
-  int fd = ::open(path.c_str(), O_WRONLY|O_CREAT|O_TRUNC, 0666);
-  if (fd < 0)
-    return MakeErrMsg(ErrMsg, path + ": can't create temporary file");
-  ::close(fd);
-  return false;
-}
-
-bool
-Path::eraseFromDisk(bool remove_contents, std::string *ErrStr) const {
-  // Get the status so we can determine if it's a file or directory.
-  struct stat buf;
-  if (0 != stat(path.c_str(), &buf)) {
-    MakeErrMsg(ErrStr, path + ": can't get status of file");
-    return true;
-  }
-
-  // Note: this check catches strange situations. In all cases, LLVM should
-  // only be involved in the creation and deletion of regular files.  This
-  // check ensures that what we're trying to erase is a regular file. It
-  // effectively prevents LLVM from erasing things like /dev/null, any block
-  // special file, or other things that aren't "regular" files.
-  if (S_ISREG(buf.st_mode)) {
-    if (unlink(path.c_str()) != 0)
-      return MakeErrMsg(ErrStr, path + ": can't destroy file");
-    return false;
-  }
-
-  if (!S_ISDIR(buf.st_mode)) {
-    if (ErrStr) *ErrStr = "not a file or directory";
-    return true;
-  }
-
-  if (remove_contents) {
-    // Recursively descend the directory to remove its contents.
-    std::string cmd = "/bin/rm -rf " + path;
-    if (system(cmd.c_str()) != 0) {
-      MakeErrMsg(ErrStr, path + ": failed to recursively remove directory.");
-      return true;
-    }
-    return false;
-  }
-
-  // Otherwise, try to just remove the one directory.
-  std::string pathname(path);
-  size_t lastchar = path.length() - 1;
-  if (pathname[lastchar] == '/')
-    pathname[lastchar] = '\0';
-  else
-    pathname[lastchar+1] = '\0';
-
-  if (rmdir(pathname.c_str()) != 0)
-    return MakeErrMsg(ErrStr, pathname + ": can't erase directory");
-  return false;
-}
-
-bool
-Path::renamePathOnDisk(const Path& newName, std::string* ErrMsg) {
-  if (0 != ::rename(path.c_str(), newName.c_str()))
-    return MakeErrMsg(ErrMsg, std::string("can't rename '") + path + "' as '" +
-               newName.str() + "'");
-  return false;
-}
-
-bool
-Path::setStatusInfoOnDisk(const FileStatus &si, std::string *ErrStr) const {
-  struct utimbuf utb;
-  utb.actime = si.modTime.toPosixTime();
-  utb.modtime = utb.actime;
-  if (0 != ::utime(path.c_str(),&utb))
-    return MakeErrMsg(ErrStr, path + ": can't set file modification time");
-  if (0 != ::chmod(path.c_str(),si.mode))
-    return MakeErrMsg(ErrStr, path + ": can't set mode");
-  return false;
-}
-
-bool
-Path::makeUnique(bool reuse_current, std::string* ErrMsg) {
-  bool Exists;
-  if (reuse_current && (fs::exists(path, Exists) || !Exists))
-    return false; // File doesn't exist already, just use it!
-
-  // Append an XXXXXX pattern to the end of the file for use with mkstemp,
-  // mktemp or our own implementation.
-  // This uses std::vector instead of SmallVector to avoid a dependence on
-  // libSupport. And performance isn't critical here.
-  std::vector<char> Buf;
-  Buf.resize(path.size()+8);
-  char *FNBuffer = &Buf[0];
-    path.copy(FNBuffer,path.size());
-  bool isdir;
-  if (!fs::is_directory(path, isdir) && isdir)
-    strcpy(FNBuffer+path.size(), "/XXXXXX");
-  else
-    strcpy(FNBuffer+path.size(), "-XXXXXX");
-
-#if defined(HAVE_MKSTEMP)
-  int TempFD;
-  if ((TempFD = mkstemp(FNBuffer)) == -1)
-    return MakeErrMsg(ErrMsg, path + ": can't make unique filename");
-
-  // We don't need to hold the temp file descriptor... we will trust that no one
-  // will overwrite/delete the file before we can open it again.
-  close(TempFD);
-
-  // Save the name
-  path = FNBuffer;
-
-  // By default mkstemp sets the mode to 0600, so update mode bits now.
-  AddPermissionBits (*this, 0666);
-#elif defined(HAVE_MKTEMP)
-  // If we don't have mkstemp, use the old and obsolete mktemp function.
-  if (mktemp(FNBuffer) == 0)
-    return MakeErrMsg(ErrMsg, path + ": can't make unique filename");
-
-  // Save the name
-  path = FNBuffer;
-#else
-  // Okay, looks like we have to do it all by our lonesome.
-  static unsigned FCounter = 0;
-  // Try to initialize with unique value.
-  if (FCounter == 0) FCounter = ((unsigned)getpid() & 0xFFFF) << 8;
-  char* pos = strstr(FNBuffer, "XXXXXX");
-  do {
-    if (++FCounter > 0xFFFFFF) {
-      return MakeErrMsg(ErrMsg,
-        path + ": can't make unique filename: too many files");
-    }
-    sprintf(pos, "%06X", FCounter);
-    path = FNBuffer;
-  } while (exists());
-  // POSSIBLE SECURITY BUG: An attacker can easily guess the name and exploit
-  // LLVM.
-#endif
-  return false;
-}
-} // end llvm namespace