1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)misc.c 8.1 (Berkeley) 6/9/93 34 * $FreeBSD: src/usr.bin/tset/misc.c,v 1.4 1999/08/28 01:06:58 peter Exp $ 35 * $DragonFly: src/usr.bin/tset/misc.c,v 1.3 2003/10/04 20:36:53 hmp Exp $ 36 */ 37 38 #include <fcntl.h> 39 #include <err.h> 40 #include <unistd.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include "extern.h" 45 46 void 47 cat(char *file) 48 { 49 register int fd, nr, nw; 50 char buf[1024]; 51 52 if ((fd = open(file, O_RDONLY, 0)) < 0) 53 err(1, "%s", file); 54 55 while ((nr = read(fd, buf, sizeof(buf))) > 0) 56 if ((nw = write(STDERR_FILENO, buf, nr)) == -1) 57 err(1, "write to stderr"); 58 if (nr != 0) 59 err(1, "%s", file); 60 (void)close(fd); 61 } 62 63 int 64 outc(int c) 65 { 66 return putc(c, stderr); 67 } 68