120 lines
3.9 KiB
C++
120 lines
3.9 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Defines base::PathProviderPosix, default path provider on POSIX OSes that
|
|
// don't have their own base_paths_OS.cc implementation (i.e. all but Mac and
|
|
// Android).
|
|
|
|
#include <ostream>
|
|
#include <string>
|
|
|
|
#include "base/base_paths.h"
|
|
#include "base/environment.h"
|
|
#include "base/file_util.h"
|
|
#include "base/files/file_path.h"
|
|
#include "base/logging.h"
|
|
#include "base/memory/scoped_ptr.h"
|
|
#include "base/nix/xdg_util.h"
|
|
#include "base/path_service.h"
|
|
#include "base/process/process_metrics.h"
|
|
#include "build/build_config.h"
|
|
|
|
#if defined(OS_FREEBSD)
|
|
#include <sys/param.h>
|
|
#include <sys/sysctl.h>
|
|
#elif defined(OS_SOLARIS)
|
|
#include <stdlib.h>
|
|
#endif
|
|
|
|
namespace base {
|
|
|
|
bool PathProviderPosix(int key, FilePath* result) {
|
|
FilePath path;
|
|
switch (key) {
|
|
case base::FILE_EXE:
|
|
case base::FILE_MODULE: { // TODO(evanm): is this correct?
|
|
#if defined(OS_LINUX)
|
|
FilePath bin_dir;
|
|
if (!file_util::ReadSymbolicLink(FilePath(kProcSelfExe), &bin_dir)) {
|
|
NOTREACHED() << "Unable to resolve " << kProcSelfExe << ".";
|
|
return false;
|
|
}
|
|
*result = bin_dir;
|
|
return true;
|
|
#elif defined(OS_FREEBSD)
|
|
int name[] = { CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1 };
|
|
char bin_dir[PATH_MAX + 1];
|
|
size_t length = sizeof(bin_dir);
|
|
// Upon return, |length| is the number of bytes written to |bin_dir|
|
|
// including the string terminator.
|
|
int error = sysctl(name, 4, bin_dir, &length, NULL, 0);
|
|
if (error < 0 || length <= 1) {
|
|
NOTREACHED() << "Unable to resolve path.";
|
|
return false;
|
|
}
|
|
*result = FilePath(FilePath::StringType(bin_dir, length - 1));
|
|
return true;
|
|
#elif defined(OS_SOLARIS)
|
|
char bin_dir[PATH_MAX + 1];
|
|
if (realpath(getexecname(), bin_dir) == NULL) {
|
|
NOTREACHED() << "Unable to resolve " << getexecname() << ".";
|
|
return false;
|
|
}
|
|
*result = FilePath(bin_dir);
|
|
return true;
|
|
#elif defined(OS_OPENBSD)
|
|
// There is currently no way to get the executable path on OpenBSD
|
|
char* cpath;
|
|
if ((cpath = getenv("CHROME_EXE_PATH")) != NULL)
|
|
*result = FilePath(cpath);
|
|
else
|
|
*result = FilePath("/usr/local/chrome/chrome");
|
|
return true;
|
|
#endif
|
|
}
|
|
case base::DIR_SOURCE_ROOT: {
|
|
// Allow passing this in the environment, for more flexibility in build
|
|
// tree configurations (sub-project builds, gyp --output_dir, etc.)
|
|
scoped_ptr<base::Environment> env(base::Environment::Create());
|
|
std::string cr_source_root;
|
|
if (env->GetVar("CR_SOURCE_ROOT", &cr_source_root)) {
|
|
path = FilePath(cr_source_root);
|
|
if (base::PathExists(path)) {
|
|
*result = path;
|
|
return true;
|
|
} else {
|
|
DLOG(WARNING) << "CR_SOURCE_ROOT is set, but it appears to not "
|
|
<< "point to a directory.";
|
|
}
|
|
}
|
|
// On POSIX, unit tests execute two levels deep from the source root.
|
|
// For example: out/{Debug|Release}/net_unittest
|
|
if (PathService::Get(base::DIR_EXE, &path)) {
|
|
*result = path.DirName().DirName();
|
|
return true;
|
|
}
|
|
|
|
DLOG(ERROR) << "Couldn't find your source root. "
|
|
<< "Try running from your chromium/src directory.";
|
|
return false;
|
|
}
|
|
case base::DIR_USER_DESKTOP:
|
|
*result = base::nix::GetXDGUserDirectory("DESKTOP", "Desktop");
|
|
return true;
|
|
case base::DIR_CACHE: {
|
|
scoped_ptr<base::Environment> env(base::Environment::Create());
|
|
FilePath cache_dir(base::nix::GetXDGDirectory(env.get(), "XDG_CACHE_HOME",
|
|
".cache"));
|
|
*result = cache_dir;
|
|
return true;
|
|
}
|
|
case base::DIR_HOME:
|
|
*result = file_util::GetHomeDir();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} // namespace base
|