Minor fixes.

GitOrigin-RevId: 793bc74ee1c82b5a86e044be65e4be0e5ce00336

td/telegram/cli.cpp

@@ -47,6 +47,7 @@
 #include <array>
 #include <atomic>
 #include <clocale>
+#include <cstdio>
 #include <cstdlib>
 #include <cstring>  // for strcmp
 #include <ctime>
@@ -3424,7 +3425,7 @@ class CliClient final : public Actor {
   int stdin_getc() {
     auto slice = stdin_.input_buffer().prepare_read();
     if (slice.empty()) {
-      return 0;
+      return EOF;
     }
     int res = slice[0];
     stdin_.input_buffer().confirm_read(1);

tdutils/td/utils/port/StdStreams.cpp

@@ -55,6 +55,10 @@ class BufferedStdinImpl {
     file_fd_ = FileFd::from_native_fd(NativeFd(Stdin().get_native_fd().raw()));
     read_thread_ = td::thread([this] { this->read_loop(); });
   }
+  BufferedStdinImpl(const BufferedStdinImpl &) = delete;
+  BufferedStdinImpl &operator=(const BufferedStdinImpl &) = delete;
+  BufferedStdinImpl(BufferedStdinImpl &&) = delete;
+  BufferedStdinImpl &operator=(BufferedStdinImpl &&) = delete;
   ~BufferedStdinImpl() {
     file_fd_.move_as_native_fd().release();
   }
@@ -108,6 +112,10 @@ class BufferedStdinImpl {
     file_fd_ = FileFd::from_native_fd(NativeFd(Stdin().get_native_fd().raw()));
     file_fd_.get_native_fd().set_is_blocking(false);
   }
+  BufferedStdinImpl(const BufferedStdinImpl &) = delete;
+  BufferedStdinImpl &operator=(const BufferedStdinImpl &) = delete;
+  BufferedStdinImpl(BufferedStdinImpl &&) = delete;
+  BufferedStdinImpl &operator=(BufferedStdinImpl &&) = delete;
   ~BufferedStdinImpl() {
     file_fd_.move_as_native_fd().release();
   }
@@ -149,6 +157,7 @@ void BufferedStdinImplDeleter::operator()(BufferedStdinImpl *impl) {
 }
 }  // namespace detail
 #endif
+
 BufferedStdin::BufferedStdin() : impl_(std::make_unique<detail::BufferedStdinImpl>().release()) {
 }
 BufferedStdin::BufferedStdin(BufferedStdin &&) = default;

tdutils/td/utils/port/StdStreams.h

@@ -6,9 +6,10 @@
 //
 #pragma once
 
+#include "td/utils/buffer.h"
+#include "td/utils/port/detail/PollableFd.h"
 #include "td/utils/port/FileFd.h"
 #include "td/utils/port/thread.h"
-#include "td/utils/buffer.h"
 
 namespace td {