Annotation of src/usr.bin/asa/asa.c, Revision 1.8
1.8 ! moritz 1: /* $OpenBSD: asa.c,v 1.7 2007/05/17 10:55:16 moritz 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
1.8 ! moritz 35: static char rcsid[] = "$OpenBSD: asa.c,v 1.7 2007/05/17 10:55:16 moritz Exp $";
1.1 deraadt 36: #endif
37:
1.8 ! moritz 38: #include <err.h>
1.1 deraadt 39: #include <stdio.h>
40: #include <stdlib.h>
1.7 moritz 41: #include <string.h>
1.6 robert 42: #include <unistd.h>
1.1 deraadt 43:
1.8 ! moritz 44: void asa(FILE *);
! 45: __dead void usage(void);
1.1 deraadt 46:
47: int
1.4 deraadt 48: main(int argc, char *argv[])
1.1 deraadt 49: {
1.6 robert 50: int ch;
1.1 deraadt 51: FILE *fp;
52:
1.6 robert 53: while ((ch = getopt(argc, argv, "")) != -1) {
54: switch(ch) {
55: default:
56: usage();
57: /* NOTREACHED */
58: }
59: }
60: argc -= optind;
61: argv += optind;
1.1 deraadt 62:
1.8 ! moritz 63: if (!argc)
! 64: asa(stdin);
! 65: else
! 66: for (; *argv != NULL; argv++) {
! 67: if ((fp = fopen(*argv, "r")) == NULL) {
! 68: warn("%s", *argv);
1.1 deraadt 69: continue;
1.3 deraadt 70: }
1.8 ! moritz 71: asa(fp);
! 72: fclose(fp);
1.3 deraadt 73: }
1.1 deraadt 74:
1.8 ! moritz 75: exit(0);
1.1 deraadt 76: }
77:
1.8 ! moritz 78: void
1.4 deraadt 79: asa(FILE *f)
1.1 deraadt 80: {
1.7 moritz 81: char *buf, *lbuf = NULL;
1.1 deraadt 82: size_t len;
1.8 ! moritz 83: int firstline = 1;
1.1 deraadt 84:
1.8 ! moritz 85: while ((buf = fgetln(f, &len)) != NULL) {
1.7 moritz 86: if (buf[len - 1] == '\n')
87: buf[len - 1] = '\0';
88: else {
89: if ((lbuf = malloc(len + 1)) == NULL)
90: err(1, NULL);
91: memcpy(lbuf, buf, len);
92: lbuf[len] = '\0';
93: buf = lbuf;
94: }
1.1 deraadt 95: /* special case the first line */
1.8 ! moritz 96: if (firstline) {
! 97: firstline = 0;
! 98: switch (buf[0]) {
! 99: case '0':
! 100: putchar ('\n');
! 101: break;
! 102: case '1':
! 103: putchar ('\f');
! 104: break;
1.7 moritz 105: }
1.8 ! moritz 106: } else {
1.1 deraadt 107: switch (buf[0]) {
108: default:
109: case ' ':
110: putchar ('\n');
111: break;
112: case '0':
113: putchar ('\n');
114: putchar ('\n');
115: break;
116: case '1':
117: putchar ('\f');
118: break;
119: case '+':
120: putchar ('\r');
121: break;
122: }
123: }
1.8 ! moritz 124: if (buf[0] && buf[1]) {
! 125: fputs (&buf[1], stdout);
! 126: }
! 127: }
! 128: free(lbuf);
1.1 deraadt 129:
1.8 ! moritz 130: if (!firstline)
1.1 deraadt 131: putchar ('\n');
1.6 robert 132: }
133:
1.8 ! moritz 134: __dead void
1.6 robert 135: usage(void)
136: {
137: extern char *__progname;
138: fprintf(stderr, "usage: %s [file ...]\n", __progname);
139: exit(1);
1.1 deraadt 140: }
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