1991/0221/port/sysfile.c (diff list | history)

1990/1210/sys/src/9/port/sysfile.c:106,114 – 1991/0221/sys/src/9/port/sysfile.c:106,118 (short | long | prev | next)
Bug fix: check for invalid file descriptors. rsc Fri Mar 4 17:11:41 2005
1990/0227		*/ c = fdtochan(arg[0], -1); fd = arg[1]; if(fd != -1)
1991/0221		if(fd != -1){ if(fd<0 || NFD<=fd) error(Ebadfd); if(fd > u->maxfd) u->maxfd = fd;
1990/0227		oc = u->fd[fd]; else{
1991/0221		}else{
1990/0227		oc = 0; fd = newfd(); }