90c38ed200
a group of dos emulator developers. Submitted by: Jonathan Lemon <jlemon@americantv.com> Obtained from: BSDI
266 lines
7.8 KiB
C
266 lines
7.8 KiB
C
/*
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* Copyright (c) 1992, 1993, 1996
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* Berkeley Software Design, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Berkeley Software
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* Design, Inc.
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*
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* THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* BSDI config.c,v 2.2 1996/04/08 19:32:22 bostic Exp
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*
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* $Id: config.c,v 1.2 1996/09/18 16:12:24 miff Exp $
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <sys/types.h>
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#include "doscmd.h"
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/*
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** doscmdrc parser
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*/
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int
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read_config(FILE *fp)
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{
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char *buffer;
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char _buffer[1024];
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char *_av[16];
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char **av;
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int ac;
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int bootdrive = -1;
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while (buffer = fgets(_buffer, sizeof(_buffer), fp)) {
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char *comment = strchr(buffer, '#');
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char *equal;
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if (comment)
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*comment = 0;
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while (isspace(*buffer))
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++buffer;
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if (!*buffer)
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continue;
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/*
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* Strip <CR><LF>
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*/
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comment = buffer;
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while (*comment && *comment != '\n' && *comment != '\r')
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++comment;
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*comment = 0;
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/*
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* Check to see if this is to go in the environment
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*/
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equal = buffer;
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while (*equal && *equal != '=' && !isspace(*equal))
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++equal;
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if (*equal == '=') {
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if (strncmp(buffer, "MS_VERSION=", 11) == 0)
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setver(0, strtol(equal + 1, 0, 0));
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else if (strncmp(buffer, "X11_FONT=", 9) == 0)
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xfont = strdup(equal + 1);
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else
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put_dosenv(buffer);
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continue;
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}
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ac = ParseBuffer(buffer, av = _av, 16);
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if (ac == 0)
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continue;
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if (!strcasecmp(av[0], "assign")) {
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int drive = -1;
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int printer;
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int ro = 0;
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if (ac < 2) {
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fprintf(stderr, "Usage: assign device ...\n");
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quit(1);
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}
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if (av[2] && !strcasecmp(av[2], "-ro")) {
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av[2] = av[1];
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av[1] = av[0];
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++av;
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--ac;
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ro = 1;
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}
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if (!strncasecmp(av[1], "lpt", 3)) {
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if (av[1][3] < '1' || av[1][3] > '4'
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|| av[1][4] != ':' || ac < 3) {
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fprintf(stderr, "Usage: assign lptn: [direct] lpr-name [ time-out]\n");
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quit(1);
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}
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printer = av[1][3] - '1';
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if (strchr(av[2], '/')) {
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printer_direct(printer);
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printer_spool(printer, av[2]);
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} else if (!strcasecmp(av[2], "direct")) {
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printer_direct(printer);
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printer_spool(printer, 0);
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} else {
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printer_spool(printer, av[2]);
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if (ac == 4)
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printer_timeout(printer, av[3]);
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}
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} else if (!strncasecmp(av[1], "flop", 4)) {
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if (ac != 4) {
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fprintf(stderr, "Usage: assign flop [-ro] file type\n");
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quit(1);
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}
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if (isdigit(av[1][4])) {
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drive = atoi(&av[1][4]) - 1;
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} else if (islower(av[1][4]) && av[1][5] == ':' && !av[1][6]) {
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drive = av[1][4] - 'a';
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} else if (isupper(av[1][4]) && av[1][5] == ':' && !av[1][6]) {
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drive = av[1][4] - 'A';
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}
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init_soft:
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drive = init_floppy(drive, atoi(av[3]), av[2]);
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if (ro)
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make_readonly(drive);
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} else if (!strncasecmp(av[1], "hard", 4)) {
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int cyl, head, sec;
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if (isdigit(av[1][4])) {
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drive = atoi(&av[1][4]) + 1;
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} else if (islower(av[1][4]) && av[1][5] == ':' && !av[1][6]) {
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drive = av[1][4] - 'a';
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} else if (isupper(av[1][4]) && av[1][5] == ':' && !av[1][6]) {
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drive = av[1][4] - 'A';
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}
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init_hard:
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switch (ac) {
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default:
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fprintf(stderr, "Usage: assign [A-Z]: [-ro] directory\n"
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" assign hard [-ro] file type [boot_sector]\n"
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" assign hard [-ro] file cylinders heads sectors/track [boot_sector]\n");
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quit(1);
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case 5:
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case 4:
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if (!map_type(atoi(av[3]), &cyl, &head, &sec)) {
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fprintf(stderr, "%s: invalid type\n", av[3]);
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quit(1);
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}
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drive = init_hdisk(drive, cyl, head, sec, av[2], av[4]);
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if (ro)
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make_readonly(drive);
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break;
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case 7:
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case 6:
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drive = init_hdisk(drive, atoi(av[3]), atoi(av[4]), atoi(av[5]),
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av[2], av[6]);
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if (ro)
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make_readonly(drive);
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break;
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}
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} else if (av[1][1] == ':') {
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if (av[1][2] || !isalpha(av[1][0])) {
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fprintf(stderr, "Usage: assign [A-Z]: ...\n");
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quit(1);
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}
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if (isupper(av[1][0]))
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drive = av[1][0] - 'A';
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else
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drive = av[1][0] - 'a';
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if (ac == 3) {
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init_path(drive, (u_char *)av[2], 0);
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if (ro)
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dos_makereadonly(drive);
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} else if (drive < 2)
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goto init_soft;
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else
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goto init_hard;
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} else if (!strncasecmp(av[1], "com", 3)) {
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int port;
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int addr;
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unsigned char irq;
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int i;
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if ((ac != 5) || (!isdigit(av[1][3]))) {
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fprintf(stderr, "Usage: assign com[1-4] path addr irq\n");
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quit(1);
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}
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port = atoi(&av[1][3]) - 1;
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if ((port < 0) || (port > (N_COMS_MAX - 1))) {
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fprintf(stderr, "Usage: assign com[1-4] path addr irq\n");
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quit(1);
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}
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errno = 0;
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addr = (int)strtol(av[3], '\0', 0);
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/* XXX DEBUG ISA-specific */
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if ((errno != 0) || (addr > MAXPORT)) {
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fprintf(stderr, "Usage: assign com[1-4] path addr irq\n");
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quit(1);
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}
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errno = 0;
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irq = (unsigned char)strtol(av[4], '\0', 0);
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/* XXX DEBUG ISA-specific */
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if ((errno != 0) || (irq < 1) || (irq > 15)) {
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fprintf(stderr, "Usage: assign com[1-4] path addr irq\n");
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quit(1);
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}
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init_com(port, av[2], addr, irq);
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} else {
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fprintf(stderr, "Usage: assign flop ...\n");
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fprintf(stderr, " assign hard ...\n");
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fprintf(stderr, " assign [A-Z]: ...\n");
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fprintf(stderr, " assign comX ...\n");
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quit(1);
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}
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} else if (!strcasecmp(av[0], "boot")) {
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if (ac != 2 || av[1][2] || !isalpha(av[1][0])) {
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fprintf(stderr, "Usage: boot [A: | C:]\n");
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quit(1);
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}
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if (isupper(av[1][0]))
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bootdrive = av[1][0] - 'A';
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else
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bootdrive = av[1][0] - 'a';
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if (bootdrive != 0 && bootdrive != 2) {
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fprintf(stderr, "Boot drive must be either A: or C:\n");
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quit(1);
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}
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} else if (!strcasecmp(av[0], "setver")) {
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int v;
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if (ac != 3 || !(v = strtol(av[2], 0, 0))) {
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fprintf(stderr, "Usage: setver command version\n");
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quit(1);
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}
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setver(av[1], v);
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} else {
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fprintf(stderr, "%s: invalid command\n", av[0]);
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quit(1);
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}
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}
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fclose(fp);
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return(bootdrive);
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}
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