Apparently on Linux if a slave pty is closed, instead of the master

getting an EOF they get an EIO, which strikes me as unfriendly.  So
make sure we exit the main read loop without complaint on an EOF or
error.

diff --git a/test/runpty.c b/test/runpty.c
index a2fe6f4..e5de14e 100644 (file)
--- a/test/runpty.c
+++ b/test/runpty.c
@@ -136,12 +136,7 @@ main(int argc, char *argv[])
        if (cc > 0 && FD_ISSET(master, &readfds)) {
            cc = read(master, readbuf, sizeof(readbuf));
 
-           if (cc < 0) {
-               fprintf(stderr, "read() failed: %s\n", strerror(errno));
-               exit(1);
-           }
-
-           if (cc == 0)
+           if (cc <= 0)
                break;
 
            fwrite(readbuf, 1, cc, output);