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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)misc.c 8.1 (Berkeley) 6/9/93 30 * $FreeBSD: src/usr.bin/tset/misc.c,v 1.4 1999/08/28 01:06:58 peter Exp $ 31 * $DragonFly: src/usr.bin/tset/misc.c,v 1.4 2008/10/16 01:52:34 swildner Exp $ 32 */ 33 34 #include <fcntl.h> 35 #include <err.h> 36 #include <unistd.h> 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <string.h> 40 #include "extern.h" 41 42 void 43 cat(char *file) 44 { 45 int fd, nr, nw; 46 char buf[1024]; 47 48 if ((fd = open(file, O_RDONLY, 0)) < 0) 49 err(1, "%s", file); 50 51 while ((nr = read(fd, buf, sizeof(buf))) > 0) 52 if ((nw = write(STDERR_FILENO, buf, nr)) == -1) 53 err(1, "write to stderr"); 54 if (nr != 0) 55 err(1, "%s", file); 56 (void)close(fd); 57 } 58 59 int 60 outc(int c) 61 { 62 return putc(c, stderr); 63 } 64