1 /*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * 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 34 #ifndef lint 35 static char sccsid[] = "@(#)misc.c 5.1 (Berkeley) 12/22/91"; 36 #endif /* not lint */ 37 38 #include <fcntl.h> 39 #include <errno.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(file) 48 char *file; 49 { 50 register int fd, nr, nw; 51 char buf[1024]; 52 53 if ((fd = open(file, O_RDONLY, 0)) < 0) 54 err("%s: %s", file, strerror(errno)); 55 56 while ((nr = read(fd, buf, sizeof(buf))) > 0) 57 if ((nw = write(STDERR_FILENO, buf, nr)) == -1) 58 err("write to stderr: %s", strerror(errno)); 59 if (nr != 0) 60 err("%s: %s", file, strerror(errno)); 61 (void)close(fd); 62 } 63 64 void 65 outc(c) 66 int c; 67 { 68 (void)putc(c, stderr); 69 } 70 71 #if __STDC__ 72 #include <stdarg.h> 73 #else 74 #include <varargs.h> 75 #endif 76 77 void 78 #if __STDC__ 79 err(const char *fmt, ...) 80 #else 81 err(fmt, va_alist) 82 char *fmt; 83 va_dcl 84 #endif 85 { 86 va_list ap; 87 #if __STDC__ 88 va_start(ap, fmt); 89 #else 90 va_start(ap); 91 #endif 92 (void)fprintf(stderr, "tset: "); 93 (void)vfprintf(stderr, fmt, ap); 94 va_end(ap); 95 (void)fprintf(stderr, "\n"); 96 exit(1); 97 /* NOTREACHED */ 98 } 99