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// Copyright (c) 2009 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.
#ifndef BASE_LINUX_UTIL_H__
#define BASE_LINUX_UTIL_H__
#include <stdint.h>
#include <sys/types.h>
#include <string>
namespace base {
static const char kFindInodeSwitch[] = "--find-inode";
// Makes a copy of |pixels| with the ordering changed from BGRA to RGBA.
// The caller is responsible for free()ing the data. If |stride| is 0,
// it's assumed to be 4 * |width|.
uint8_t* BGRAToRGBA(const uint8_t* pixels, int width, int height, int stride);
// Get the Linux Distro if we can, or return "Unknown", similar to
// GetWinVersion() in base/win_util.h.
std::string GetLinuxDistro();
// These are used to derive mocks for unittests.
class EnvironmentVariableGetter {
public:
virtual ~EnvironmentVariableGetter() {}
// Gets an environment variable's value and stores it in
// result. Returns false if the key is unset.
virtual bool Getenv(const char* variable_name, std::string* result) = 0;
// Create an instance of EnvironmentVariableGetter
static EnvironmentVariableGetter* Create();
};
enum DesktopEnvironment {
DESKTOP_ENVIRONMENT_OTHER,
DESKTOP_ENVIRONMENT_GNOME,
// KDE3 and KDE4 are sufficiently different that we count
// them as two different desktop environments here.
DESKTOP_ENVIRONMENT_KDE3,
DESKTOP_ENVIRONMENT_KDE4,
};
// Return an entry from the DesktopEnvironment enum with a best guess
// of which desktop environment we're using. We use this to know when
// to attempt to use preferences from the desktop environment --
// proxy settings, password manager, etc.
DesktopEnvironment GetDesktopEnvironment(EnvironmentVariableGetter* env);
// Return a string representation of the given desktop environment.
// May return NULL in the case of DESKTOP_ENVIRONMENT_OTHER.
const char* GetDesktopEnvironmentName(DesktopEnvironment env);
// Convenience wrapper that calls GetDesktopEnvironment() first.
const char* GetDesktopEnvironmentName(EnvironmentVariableGetter* env);
// Return the inode number for the UNIX domain socket |fd|.
bool FileDescriptorGetInode(ino_t* inode_out, int fd);
// Find the process which holds the given socket, named by inode number. If
// multiple processes hold the socket, this function returns false.
bool FindProcessHoldingSocket(pid_t* pid_out, ino_t socket_inode);
} // namespace base
#endif // BASE_LINUX_UTIL_H__
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