1 /* $NetBSD: asa.c,v 1.11 1997/09/20 14:55:00 lukem Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-4-Clause 5 * 6 * Copyright (c) 1993,94 Winning Strategies, Inc. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Winning Strategies, Inc. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 #if 0 37 #ifndef lint 38 __RCSID("$NetBSD: asa.c,v 1.11 1997/09/20 14:55:00 lukem Exp $"); 39 #endif 40 #endif 41 __FBSDID("$FreeBSD$"); 42 43 #include <err.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <unistd.h> 47 48 static void asa(FILE *); 49 static void usage(void); 50 51 int 52 main(int argc, char *argv[]) 53 { 54 int ch, exval; 55 FILE *fp; 56 const char *fn; 57 58 while ((ch = getopt(argc, argv, "")) != -1) { 59 switch (ch) { 60 case '?': 61 default: 62 usage(); 63 /*NOTREACHED*/ 64 } 65 } 66 argc -= optind; 67 argv += optind; 68 69 exval = 0; 70 if (argc == 0) 71 asa(stdin); 72 else { 73 while ((fn = *argv++) != NULL) { 74 if ((fp = fopen(fn, "r")) == NULL) { 75 warn("%s", fn); 76 exval = 1; 77 continue; 78 } 79 asa(fp); 80 fclose(fp); 81 } 82 } 83 84 exit(exval); 85 } 86 87 static void 88 usage(void) 89 { 90 91 fprintf(stderr, "usage: asa [file ...]\n"); 92 exit(1); 93 } 94 95 static void 96 asa(FILE *f) 97 { 98 size_t len; 99 char *buf; 100 101 if ((buf = fgetln(f, &len)) != NULL) { 102 if (buf[len - 1] == '\n') 103 buf[--len] = '\0'; 104 /* special case the first line */ 105 switch (buf[0]) { 106 case '0': 107 putchar('\n'); 108 break; 109 case '1': 110 putchar('\f'); 111 break; 112 } 113 114 if (len > 1 && buf[0] && buf[1]) 115 printf("%.*s", (int)(len - 1), buf + 1); 116 117 while ((buf = fgetln(f, &len)) != NULL) { 118 if (buf[len - 1] == '\n') 119 buf[--len] = '\0'; 120 switch (buf[0]) { 121 default: 122 case ' ': 123 putchar('\n'); 124 break; 125 case '0': 126 putchar('\n'); 127 putchar('\n'); 128 break; 129 case '1': 130 putchar('\f'); 131 break; 132 case '+': 133 putchar('\r'); 134 break; 135 } 136 137 if (len > 1 && buf[0] && buf[1]) 138 printf("%.*s", (int)(len - 1), buf + 1); 139 } 140 141 putchar('\n'); 142 } 143 } 144