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asa.c revision 1.7 
      1 /*
      2  * Copyright (c) 1993,94 Winning Strategies, Inc.
      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 Winning Strategies, Inc.
     16  * 4. The name of the author may not be used to endorse or promote products
     17  *    derived from this software without specific prior written permission
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  *
     30  *	$Header: /tank/opengrok/rsync2/NetBSD/src/usr.bin/asa/asa.c,v 1.7 1994/12/24 15:50:16 cgd Exp $
     31  */
     32 
     33 #ifndef lint
     34 static char *rcsid = "$Id: asa.c,v 1.7 1994/12/24 15:50:16 cgd Exp $";
     35 #endif
     36 
     37 #include <stdio.h>
     38 #include <stdlib.h>
     39 #include <err.h>
     40 
     41 static void asa();
     42 
     43 int
     44 main (argc, argv)
     45 	int argc;
     46 	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(f)
     71 	FILE *f;
     72 {
     73 	char *buf;
     74 	size_t len;
     75 
     76 	if ((buf = fgetln (f, &len)) != NULL) {
     77 		buf[len - 1] = '\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 (buf[0] && buf[1]) {
     89 			fputs (&buf[1], stdout);
     90 		}
     91 
     92 		while ((buf = fgetln(f, &len)) != NULL) {
     93 			buf[len - 1] = '\0';
     94 			switch (buf[0]) {
     95 			default:
     96 			case ' ':
     97 				putchar ('\n');
     98 				break;
     99 			case '0':
    100 				putchar ('\n');
    101 				putchar ('\n');
    102 				break;
    103 			case '1':
    104 				putchar ('\f');
    105 				break;
    106 			case '+':
    107 				putchar ('\r');
    108 				break;
    109 			}
    110 
    111 			if (buf[0] && buf[1]) {
    112 				fputs (&buf[1], stdout);
    113 			}
    114 		}
    115 
    116 		putchar ('\n');
    117 	}
    118 }
    119