Move webrtc/{base => rtc_base}

webrtc/base/unixfilesystem.cc

-/*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/base/unixfilesystem.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
-#include <CoreServices/CoreServices.h>
-#include <IOKit/IOCFBundle.h>
-#include <sys/statvfs.h>
-#include "webrtc/base/macutils.h"
-#endif  // WEBRTC_MAC && !defined(WEBRTC_IOS)
-
-#if defined(WEBRTC_POSIX) && !defined(WEBRTC_MAC) || defined(WEBRTC_IOS)
-#include <sys/types.h>
-#if defined(WEBRTC_ANDROID)
-#include <sys/statfs.h>
-#elif !defined(__native_client__)
-#include <sys/statvfs.h>
-#endif  //  !defined(__native_client__)
-#include <limits.h>
-#include <pwd.h>
-#include <stdio.h>
-#endif  // WEBRTC_POSIX && !WEBRTC_MAC || WEBRTC_IOS
-
-#if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
-#include <ctype.h>
-#include <algorithm>
-#endif
-
-#if defined(__native_client__) && !defined(__GLIBC__)
-#include <sys/syslimits.h>
-#endif
-
-#include "webrtc/base/arraysize.h"
-#include "webrtc/base/checks.h"
-#include "webrtc/base/fileutils.h"
-#include "webrtc/base/pathutils.h"
-#include "webrtc/base/stream.h"
-#include "webrtc/base/stringutils.h"
-
-#if defined(WEBRTC_MAC)
-// Defined in applefilesystem.mm.  No header file to discourage use
-// elsewhere; other places should use GetApp{Data,Temp}Folder() in
-// this file.  Don't copy/paste.  I mean it.
-char* AppleDataDirectory();
-char* AppleTempDirectory();
-void AppleAppName(rtc::Pathname* path);
-#endif
-
-namespace rtc {
-
-#if !defined(WEBRTC_ANDROID) && !defined(WEBRTC_MAC)
-char* UnixFilesystem::app_temp_path_ = nullptr;
-#else
-char* UnixFilesystem::provided_app_data_folder_ = nullptr;
-char* UnixFilesystem::provided_app_temp_folder_ = nullptr;
-
-void UnixFilesystem::SetAppDataFolder(const std::string& folder) {
-  delete [] provided_app_data_folder_;
-  provided_app_data_folder_ = CopyString(folder);
-}
-
-void UnixFilesystem::SetAppTempFolder(const std::string& folder) {
-  delete [] provided_app_temp_folder_;
-  provided_app_temp_folder_ = CopyString(folder);
-}
-#endif
-
-UnixFilesystem::UnixFilesystem() {
-#if defined(WEBRTC_MAC)
-  if (!provided_app_data_folder_)
-    provided_app_data_folder_ = AppleDataDirectory();
-  if (!provided_app_temp_folder_)
-    provided_app_temp_folder_ = AppleTempDirectory();
-#endif
-}
-
-UnixFilesystem::~UnixFilesystem() {}
-
-bool UnixFilesystem::CreateFolder(const Pathname &path, mode_t mode) {
-  std::string pathname(path.pathname());
-  int len = pathname.length();
-  if ((len == 0) || (pathname[len - 1] != '/'))
-    return false;
-
-  struct stat st;
-  int res = ::stat(pathname.c_str(), &st);
-  if (res == 0) {
-    // Something exists at this location, check if it is a directory
-    return S_ISDIR(st.st_mode) != 0;
-  } else if (errno != ENOENT) {
-    // Unexpected error
-    return false;
-  }
-
-  // Directory doesn't exist, look up one directory level
-  do {
-    --len;
-  } while ((len > 0) && (pathname[len - 1] != '/'));
-
-  if (!CreateFolder(Pathname(pathname.substr(0, len)), mode)) {
-    return false;
-  }
-
-  LOG(LS_INFO) << "Creating folder: " << pathname;
-  return (0 == ::mkdir(pathname.c_str(), mode));
-}
-
-bool UnixFilesystem::CreateFolder(const Pathname &path) {
-  return CreateFolder(path, 0755);
-}
-
-bool UnixFilesystem::DeleteFile(const Pathname &filename) {
-  LOG(LS_INFO) << "Deleting file:" << filename.pathname();
-
-  if (!IsFile(filename)) {
-    RTC_DCHECK(IsFile(filename));
-    return false;
-  }
-  return ::unlink(filename.pathname().c_str()) == 0;
-}
-
-bool UnixFilesystem::GetTemporaryFolder(Pathname &pathname, bool create,
-                                        const std::string *append) {
-#if defined(WEBRTC_ANDROID) || defined(WEBRTC_MAC)
-  RTC_DCHECK(provided_app_temp_folder_ != nullptr);
-  pathname.SetPathname(provided_app_temp_folder_, "");
-#else
-  if (const char* tmpdir = getenv("TMPDIR")) {
-    pathname.SetPathname(tmpdir, "");
-  } else if (const char* tmp = getenv("TMP")) {
-    pathname.SetPathname(tmp, "");
-  } else {
-#ifdef P_tmpdir
-    pathname.SetPathname(P_tmpdir, "");
-#else  // !P_tmpdir
-    pathname.SetPathname("/tmp/", "");
-#endif  // !P_tmpdir
-  }
-#endif  // defined(WEBRTC_ANDROID) || defined(WEBRTC_IOS)
-  if (append) {
-    RTC_DCHECK(!append->empty());
-    pathname.AppendFolder(*append);
-  }
-  return !create || CreateFolder(pathname);
-}
-
-std::string UnixFilesystem::TempFilename(const Pathname &dir,
-                                         const std::string &prefix) {
-  int len = dir.pathname().size() + prefix.size() + 2 + 6;
-  char *tempname = new char[len];
-
-  snprintf(tempname, len, "%s/%sXXXXXX", dir.pathname().c_str(),
-           prefix.c_str());
-  int fd = ::mkstemp(tempname);
-  if (fd != -1)
-    ::close(fd);
-  std::string ret(tempname);
-  delete[] tempname;
-
-  return ret;
-}
-
-bool UnixFilesystem::MoveFile(const Pathname &old_path,
-                              const Pathname &new_path) {
-  if (!IsFile(old_path)) {
-    RTC_DCHECK(IsFile(old_path));
-    return false;
-  }
-  LOG(LS_VERBOSE) << "Moving " << old_path.pathname()
-                  << " to " << new_path.pathname();
-  if (rename(old_path.pathname().c_str(), new_path.pathname().c_str()) != 0) {
-    return false;
-  }
-  return true;
-}
-
-bool UnixFilesystem::IsFolder(const Pathname &path) {
-  struct stat st;
-  if (stat(path.pathname().c_str(), &st) < 0)
-    return false;
-  return S_ISDIR(st.st_mode);
-}
-
-bool UnixFilesystem::IsFile(const Pathname& pathname) {
-  struct stat st;
-  int res = ::stat(pathname.pathname().c_str(), &st);
-  // Treat symlinks, named pipes, etc. all as files.
-  return res == 0 && !S_ISDIR(st.st_mode);
-}
-
-bool UnixFilesystem::IsAbsent(const Pathname& pathname) {
-  struct stat st;
-  int res = ::stat(pathname.pathname().c_str(), &st);
-  // Note: we specifically maintain ENOTDIR as an error, because that implies
-  // that you could not call CreateFolder(pathname).
-  return res != 0 && ENOENT == errno;
-}
-
-bool UnixFilesystem::GetFileSize(const Pathname& pathname, size_t *size) {
-  struct stat st;
-  if (::stat(pathname.pathname().c_str(), &st) != 0)
-    return false;
-  *size = st.st_size;
-  return true;
-}
-
-char* UnixFilesystem::CopyString(const std::string& str) {
-  size_t size = str.length() + 1;
-
-  char* buf = new char[size];
-  if (!buf) {
-    return nullptr;
-  }
-
-  strcpyn(buf, size, str.c_str());
-  return buf;
-}
-
-}  // namespace rtc
-
-#if defined(__native_client__)
-extern "C" int __attribute__((weak))
-link(const char* oldpath, const char* newpath) {
-  errno = EACCES;
-  return -1;
-}
-#endif