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| //===-- FileAction.cpp ------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <fcntl.h>
#include "lldb/Host/FileAction.h"
#include "lldb/Host/PosixApi.h"
#include "lldb/Utility/Stream.h"
using namespace lldb_private;
// FileAction member functions
FileAction::FileAction()
: m_action(eFileActionNone), m_fd(-1), m_arg(-1), m_file_spec() {}
void FileAction::Clear() {
m_action = eFileActionNone;
m_fd = -1;
m_arg = -1;
m_file_spec.Clear();
}
llvm::StringRef FileAction::GetPath() const { return m_file_spec.GetCString(); }
const FileSpec &FileAction::GetFileSpec() const { return m_file_spec; }
bool FileAction::Open(int fd, const FileSpec &file_spec, bool read,
bool write) {
if ((read || write) && fd >= 0 && file_spec) {
m_action = eFileActionOpen;
m_fd = fd;
if (read && write)
m_arg = O_NOCTTY | O_CREAT | O_RDWR;
else if (read)
m_arg = O_NOCTTY | O_RDONLY;
else
m_arg = O_NOCTTY | O_CREAT | O_WRONLY;
m_file_spec = file_spec;
return true;
} else {
Clear();
}
return false;
}
bool FileAction::Close(int fd) {
Clear();
if (fd >= 0) {
m_action = eFileActionClose;
m_fd = fd;
}
return m_fd >= 0;
}
bool FileAction::Duplicate(int fd, int dup_fd) {
Clear();
if (fd >= 0 && dup_fd >= 0) {
m_action = eFileActionDuplicate;
m_fd = fd;
m_arg = dup_fd;
}
return m_fd >= 0;
}
void FileAction::Dump(Stream &stream) const {
stream.PutCString("file action: ");
switch (m_action) {
case eFileActionClose:
stream.Printf("close fd %d", m_fd);
break;
case eFileActionDuplicate:
stream.Printf("duplicate fd %d to %d", m_fd, m_arg);
break;
case eFileActionNone:
stream.PutCString("no action");
break;
case eFileActionOpen:
stream.Printf("open fd %d with '%s', OFLAGS = 0x%x", m_fd,
m_file_spec.GetCString(), m_arg);
break;
}
}
|