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