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Annotation of src/usr.bin/asa/asa.c, Revision 1.6

1.6     ! robert      1: /*     $OpenBSD: asa.c,v 1.5 2003/06/25 21:08:59 deraadt Exp $ */
1.1       deraadt     2: /*     $NetBSD: asa.c,v 1.10 1995/04/21 03:01:41 cgd Exp $     */
                      3:
                      4: /*
                      5:  * Copyright (c) 1993,94 Winning Strategies, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *      This product includes software developed by Winning Strategies, Inc.
                     19:  * 4. The name of the author may not be used to endorse or promote products
                     20:  *    derived from this software without specific prior written permission
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     32:  */
                     33:
                     34: #ifndef lint
1.6     ! robert     35: static char rcsid[] = "$OpenBSD: asa.c,v 1.5 2003/06/25 21:08:59 deraadt Exp $";
1.1       deraadt    36: #endif
                     37:
                     38: #include <stdio.h>
                     39: #include <stdlib.h>
                     40: #include <err.h>
1.6     ! robert     41: #include <unistd.h>
1.1       deraadt    42:
1.5       deraadt    43: static void asa(FILE *);
1.6     ! robert     44: static void usage(void);
1.1       deraadt    45:
                     46: int
1.4       deraadt    47: main(int argc, char *argv[])
1.1       deraadt    48: {
1.6     ! robert     49:        int ch;
1.1       deraadt    50:        FILE *fp;
                     51:
1.6     ! robert     52:        while ((ch = getopt(argc, argv, "")) != -1) {
        !            53:                switch(ch) {
        !            54:                default:
        !            55:                        usage();
        !            56:                        /* NOTREACHED */
        !            57:                }
        !            58:        }
        !            59:        argc -= optind;
        !            60:        argv += optind;
1.1       deraadt    61:
1.3       deraadt    62:        fp = stdin;
                     63:        do {
                     64:                if (*argv) {
                     65:                        if (!(fp = fopen(*argv, "r"))) {
1.1       deraadt    66:                                warn ("%s", *argv);
                     67:                                continue;
1.3       deraadt    68:                        }
                     69:                }
                     70:                if (fp)
                     71:                        asa (fp);
                     72:                if (fp && fp != stdin)
                     73:                        (void)fclose(fp);
                     74:        } while (*argv++);
1.1       deraadt    75:
                     76:        exit (0);
                     77: }
                     78:
                     79: static void
1.4       deraadt    80: asa(FILE *f)
1.1       deraadt    81: {
                     82:        char *buf;
                     83:        size_t len;
                     84:
                     85:        if ((buf = fgetln (f, &len)) != NULL) {
                     86:                buf[len - 1] = '\0';
                     87:                /* special case the first line  */
                     88:                switch (buf[0]) {
                     89:                case '0':
                     90:                        putchar ('\n');
                     91:                        break;
                     92:                case '1':
                     93:                        putchar ('\f');
                     94:                        break;
                     95:                }
                     96:
                     97:                if (buf[0] && buf[1]) {
                     98:                        fputs (&buf[1], stdout);
                     99:                }
                    100:
                    101:                while ((buf = fgetln(f, &len)) != NULL) {
                    102:                        buf[len - 1] = '\0';
                    103:                        switch (buf[0]) {
                    104:                        default:
                    105:                        case ' ':
                    106:                                putchar ('\n');
                    107:                                break;
                    108:                        case '0':
                    109:                                putchar ('\n');
                    110:                                putchar ('\n');
                    111:                                break;
                    112:                        case '1':
                    113:                                putchar ('\f');
                    114:                                break;
                    115:                        case '+':
                    116:                                putchar ('\r');
                    117:                                break;
                    118:                        }
                    119:
                    120:                        if (buf[0] && buf[1]) {
                    121:                                fputs (&buf[1], stdout);
                    122:                        }
                    123:                }
                    124:
                    125:                putchar ('\n');
                    126:        }
1.6     ! robert    127: }
        !           128:
        !           129: static void
        !           130: usage(void)
        !           131: {
        !           132:        extern char *__progname;
        !           133:        fprintf(stderr, "usage: %s [file ...]\n", __progname);
        !           134:        exit(1);
1.1       deraadt   135: }