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asa.c revision 1.12 
      1 /*	$NetBSD: asa.c,v 1.12 2002/05/02 13:40:50 wiz 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 1.12 2002/05/02 13:40:50 wiz 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 main (int argc, char *argv[])
     47 {
     48 	FILE *fp;
     49 
     50 	/* skip progname */
     51 	argv++;
     52 
     53 	fp = stdin;
     54 	do {
     55 		if (*argv) {
     56 			if (!(fp = fopen(*argv, "r"))) {
     57 				warn ("%s", *argv);
     58 				continue;
     59 			}
     60 		}
     61 		asa(fp);
     62 		if (fp != stdin)
     63 			(void)fclose(fp);
     64 	} while (*argv++);
     65 
     66 	exit(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 (buf[len - 1] == '\n')
     77 			buf[--len] = '\0';
     78 		/* special case the first line */
     79 		switch (buf[0]) {
     80 		case '0':
     81 			putchar('\n');
     82 			break;
     83 		case '1':
     84 			putchar('\f');
     85 			break;
     86 		}
     87 
     88 		if (len > 1 && buf[0] && buf[1]) {
     89 			printf("%.*s", (int)(len - 1), buf + 1);
     90 		}
     91 
     92 		while ((buf = fgetln(f, &len)) != NULL) {
     93 			if (buf[len - 1] == '\n')
     94 				buf[--len] = '\0';
     95 			switch (buf[0]) {
     96 			default:
     97 			case ' ':
     98 				putchar('\n');
     99 				break;
    100 			case '0':
    101 				putchar('\n');
    102 				putchar('\n');
    103 				break;
    104 			case '1':
    105 				putchar('\f');
    106 				break;
    107 			case '+':
    108 				putchar('\r');
    109 				break;
    110 			}
    111 
    112 			if (len > 1 && buf[0] && buf[1]) {
    113 				printf("%.*s", (int)(len - 1), buf + 1);
    114 			}
    115 		}
    116 
    117 		putchar('\n');
    118 	}
    119 }
    120