+ /* If we are closing stdout, don't attempt to do it later again. */
+ stdout_closed = true;
+ }
+
+ /* This function returns an error indication if there was a previous failure
+ or if fclose failed, with two exceptions:
+ - Ignore an fclose failure if there was no previous error, no data
+ remains to be flushed, and fclose failed with EBADF. That can
+ happen when a program like cp is invoked like this 'cp a b >&-'
+ (i.e., with standard output closed) and doesn't generate any
+ output (hence no previous error and nothing to be flushed).
+ - Ignore an fclose failure due to EPIPE. That can happen when a
+ program blocks or ignores SIGPIPE, and the output pipe or socket
+ has no readers now. The EPIPE tells us that we should stop writing
+ to this output. That's what we are doing anyway here.
+
+ Need to