/* $OpenBSD: dev.c,v 1.1.1.1 2018/04/10 23:00:53 bluhm Exp $ */ /* * Copyright (c) 2018 Alexander Bluhm * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include "header.h" void fdops(int fdpre, int fdpost) { char *devpre, *devpost; if (asprintf(&devpre, "/dev/fd/%d", fdpre) == -1) err(1, "asprintf fdpre"); if (asprintf(&devpost, "/dev/fd/%d", fdpost) == -1) err(1, "asprintf fdpost"); if (open(devpre, O_RDONLY) == -1) err(1, "open dev pre"); if (open(devpost, O_RDONLY) == -1) err(1, "open dev post"); free(devpre); free(devpost); }