1 /* $NetBSD: asa.c,v 1.16 2007/06/24 23:23:10 christos 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 #ifndef lint 35 __RCSID("$NetBSD: asa.c,v 1.16 2007/06/24 23:23:10 christos Exp $"); 36 #endif 37 38 #include <err.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 42 static void asa(FILE *); 43 int main(int, char *[]); 44 45 int 46 /*ARGSUSED*/ 47 main (int argc, char *argv[]) 48 { 49 FILE *fp; 50 51 /* skip progname */ 52 argv++; 53 54 if (*argv == NULL) 55 asa(stdin); 56 else 57 do { 58 if ((fp = fopen(*argv, "r")) == NULL) { 59 warn("%s", *argv); 60 continue; 61 } 62 asa(fp); 63 (void)fclose(fp); 64 } while (*++argv != NULL); 65 66 return 0; 67 } 68 69 static void 70 asa(FILE *f) 71 { 72 char *buf; 73 size_t len; 74 75 if ((buf = fgetln(f, &len)) != NULL) { 76 if (len > 0 && buf[len - 1] == '\n') 77 buf[--len] = '\0'; 78 /* special case the first line */ 79 switch (buf[0]) { 80 case '0': 81 (void)putchar('\n'); 82 break; 83 case '1': 84 (void)putchar('\f'); 85 break; 86 } 87 88 if (len > 1 && buf[0] && buf[1]) 89 (void)fwrite(buf + 1, 1, len - 1, stdout); 90 91 while ((buf = fgetln(f, &len)) != NULL) { 92 if (len > 0 && buf[len - 1] == '\n') 93 buf[--len] = '\0'; 94 switch (buf[0]) { 95 default: 96 case ' ': 97 (void)putchar('\n'); 98 break; 99 case '0': 100 (void)putchar('\n'); 101 (void)putchar('\n'); 102 break; 103 case '1': 104 (void)putchar('\f'); 105 break; 106 case '+': 107 (void)putchar('\r'); 108 break; 109 } 110 111 if (len > 1 && buf[0] && buf[1]) 112 (void)fwrite(buf + 1, 1, len - 1, stdout); 113 } 114 115 (void)putchar('\n'); 116 } 117 } 118