| // Copyright 2020 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 <unistd.h> |
| |
| #include <cstdio> |
| #include <string> |
| |
| #include "src/lib/fxl/strings/join_strings.h" |
| |
| int main(int argc, const char** argv) { |
| setvbuf(stdin, nullptr, _IONBF, 0); |
| std::vector<std::string> arguments(argv, argv + argc); |
| auto print = fxl::JoinStrings(arguments, " "); |
| if (write(STDIN_FILENO, print.c_str(), print.length()) >= 0) { |
| // We should NOT be able to write to stdin. |
| return -1; |
| } |
| char buf; |
| if (read(STDIN_FILENO, &buf, sizeof(buf)) != 0) { |
| // stdin should be closed. |
| return -1; |
| } |
| return 0; |
| } |
