blob: 898fdd6662f64b07d27dc95c3eb06fa18c67f44c [file] [log] [blame]
/*
* 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/rtc_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/rtc_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/rtc_base/arraysize.h"
#include "webrtc/rtc_base/checks.h"
#include "webrtc/rtc_base/fileutils.h"
#include "webrtc/rtc_base/pathutils.h"
#include "webrtc/rtc_base/stream.h"
#include "webrtc/rtc_base/stringutils.h"
namespace rtc {
UnixFilesystem::UnixFilesystem() {}
UnixFilesystem::~UnixFilesystem() {}
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;
}
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::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