Add a fd_readable(int fd) helper function

Use it instead of direct calls to select scatered around the code
base.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/file.hh b/src/file.hh
index 29d979e3..2dde1abb 100644
--- a/src/file.hh
+++ b/src/file.hh
@@ -40,6 +40,7 @@ std::pair<StringView, StringView> split_path(StringView path);
 
 String get_kak_binary_path();
 
+bool fd_readable(int fd);
 String read_fd(int fd, bool text = false);
 String read_file(StringView filename, bool text = false);
 void write(int fd, StringView data);