| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/developer/cmd/tasks/cd_task.h" |
| |
| #include <errno.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| namespace cmd { |
| |
| CdTask::CdTask(async_dispatcher_t* dispatcher) : Task(dispatcher) {} |
| |
| CdTask::~CdTask() = default; |
| |
| zx_status_t CdTask::Execute(Command command, Task::CompletionCallback callback) { |
| if (command.args().size() == 2) { |
| const std::string& name = command.args()[1]; |
| std::string path; |
| if (name[0] == '/') { |
| path = name; |
| } else { |
| char cwd[PATH_MAX]; |
| getcwd(cwd, sizeof(cwd)); |
| path = std::string(cwd) + "/" + name; |
| } |
| if (chdir(path.c_str()) < 0) { |
| fprintf(stderr, "cd: Failed to change directories: %s\n", strerror(errno)); |
| return ZX_ERR_NEXT; |
| } |
| char cwd[PATH_MAX]; |
| getcwd(cwd, sizeof(cwd)); |
| setenv("PWD", cwd, 1); |
| } else { |
| fprintf(stderr, "cd: Invalid number of arguments. Expected 1, got %zu.\n", |
| command.args().size() - 1); |
| } |
| return ZX_ERR_NEXT; |
| } |
| |
| } // namespace cmd |