diff options
| -rw-r--r-- | qarshd.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -349,7 +349,7 @@ handle_qarsh() nfd--; qpfree(qp); } - if (nfd && FD_ISSET(childfds[0], &wfds)) { + if (nfd && childfds[0] != -1 && FD_ISSET(childfds[0], &wfds)) { /* Child is ready for data on stdin */ nbytes = write(childfds[0], buf_in, z_in); if (nbytes == -1) { /* Don't try writing to the child again */ @@ -375,7 +375,7 @@ handle_qarsh() } nfd--; } - if (nfd && FD_ISSET(childfds[1], &rfds)) { + if (nfd && childfds[1] != -1 && FD_ISSET(childfds[1], &rfds)) { /* Child has something to send to stdout */ nbytes = read(childfds[1], buf, allowed_out); qp = make_qp_data(1, nbytes, buf); @@ -389,7 +389,7 @@ handle_qarsh() } nfd--; } - if (nfd && FD_ISSET(childfds[2], &rfds)) { + if (nfd && childfds[2] != -1 && FD_ISSET(childfds[2], &rfds)) { /* Child has something to send to stderr */ nbytes = read(childfds[2], buf, allowed_err); qp = make_qp_data(2, nbytes, buf); |