source: GPL/trunk/drv32/parse.c@ 657

Last change on this file since 657 was 607, checked in by David Azarewicz, 7 years ago

Removed broken/unusable forcecard option.
Fixed Ensoniq driver selection.
File size: 9.3 KB
Line 
1/* $Id: parse.c,v 1.3 2003/08/08 15:09:03 vladest Exp $ */
2
3/*
4 * Config.sys parameter parsing
5 *
6 * (C) 2000-2002 InnoTek Systemberatung GmbH
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public
19 * License along with this program; if not, write to the Free
20 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
21 * USA.
22 */
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27#define INCL_NOPMAPI
28#define INCL_DOSMISC
29#include <os2.h>
30#ifdef __cplusplus
31}
32#endif
33
34#include <devhelp.h>
35#include <devtype.h>
36#include <unicard.h>
37#include "parse.h" // NUM_DEVICES
38#include <string.h>
39
40#define COMM_DEBUG
41
42// True if the /V parameter was specified
43int fVerbose = FALSE;
44int fDebug = FALSE;
45//int ForceCard = CARD_NONE;
46int iAdapterNumber = -1;
47
48extern short int midi_port;
49
50#ifdef COMM_DEBUG
51extern short int MAGIC_COMM_PORT;
52#endif
53
54//*****************************************************************************
55//*****************************************************************************
56int toupper(int c)
57{
58 return (unsigned) c - 'a' <= 'z' - 'a' ? c - ('a' - 'A') : c;
59}
60//*****************************************************************************
61//*****************************************************************************
62CHAR FAR48 *mymemchr(CHAR FAR48 *strP, CHAR c, USHORT size)
63{
64 USHORT i;
65 // search for the character - return position if found
66 i = 0;
67 while (i <= size - 1) {
68 if (*strP == c)
69 return (strP);
70 strP++;
71 i++;
72 }
73 // character not found - return null
74 return ((CHAR FAR48 *) 0);
75}
76//*****************************************************************************
77//*****************************************************************************
78
79USHORT sz2us(char FAR48 *sz, int base)
80{
81 static char digits[] = "0123456789ABCDEF";
82
83 USHORT us=0;
84 // char *pc;
85 CHAR FAR48 *pc;
86
87 // skip leading spaces
88 while (*sz == ' ') sz++;
89
90 // skip leading zeros
91 while (*sz == '0') sz++;
92
93 // accumulate digits - return error if unexpected character encountered
94 for (;;sz++) {
95 pc = (CHAR FAR48 *) mymemchr(digits, toupper(*sz), base);
96 if (!pc)
97 return us;
98 us = (us * base) + (pc - digits);
99 }
100}
101//*****************************************************************************
102//*****************************************************************************
103int IsWhitespace(char ch)
104{
105 if ( ch > '9' && ch < 'A')
106 return TRUE;
107 if ( ch < '0' || ch > 'Z')
108 return TRUE;
109
110 return FALSE;
111}
112//*****************************************************************************
113//*****************************************************************************
114char FAR48 *SkipWhite(char FAR48 *psz)
115{
116 while (*psz) {
117 if (!IsWhitespace((char) toupper(*psz))) return psz;
118 psz++;
119 }
120 return NULL;
121}
122//*****************************************************************************
123
124#if 0
125//*****************************************************************************
126void CheckCardName(char FAR48 *psz)
127{
128 char name[CARD_MAX_LEN+1];
129 int i;
130
131 for (i=0; i<CARD_MAX_LEN; i++) {
132 name[i] = toupper(psz[i]);
133 if(name[i] == ' ') {
134 name[i] = 0;
135 break;
136 }
137 }
138 name[CARD_MAX_LEN] = 0;
139
140 if(!strcmp(name, CARD_STRING_SBLIVE)) {
141 ForceCard = CARD_SBLIVE;
142 }
143 else
144 if(!strcmp(name, CARD_STRING_ALS4000)) {
145 ForceCard = CARD_ALS4000;
146 }
147 else
148 if(!strcmp(name, CARD_STRING_CMEDIA)) {
149 ForceCard = CARD_CMEDIA;
150 }
151 else
152 if(!strcmp(name, CARD_STRING_CS4281)) {
153 ForceCard = CARD_CS4281;
154 }
155 else
156 if(!strcmp(name, CARD_STRING_ICH)) {
157 ForceCard = CARD_ICH;
158 }
159 else
160 if(!strcmp(name, CARD_STRING_CS46XX)) {
161 ForceCard = CARD_CS46XX;
162 }
163 else
164 if(!strcmp(name, CARD_STRING_VIA82XX)) {
165 ForceCard = CARD_VIA82XX;
166 }
167 else
168 if(!strcmp(name, CARD_STRING_ESS1938)) {
169 ForceCard = CARD_ESS1938;
170 }
171 else
172 if(!strcmp(name, CARD_STRING_VORTEX)) {
173 ForceCard = CARD_VORTEX;
174 }
175 else
176 if(!strcmp(name, CARD_STRING_ENSONIQ)) {
177 ForceCard = CARD_ENSONIQ;
178 }
179 else
180 if(!strcmp(name, CARD_STRING_TRIDENT)) {
181 ForceCard = CARD_TRIDENT;
182 }
183 else
184 if(!strcmp(name, CARD_STRING_NEOMAGIC)) {
185 ForceCard = CARD_NEOMAGIC;
186 }
187 else
188 if(!strcmp(name, CARD_STRING_FM801)) {
189 ForceCard = CARD_FM801;
190 }
191 else
192 if(!strcmp(name, CARD_STRING_ATIIXP)) {
193 ForceCard = CARD_ATIIXP;
194 }
195 else
196 if(!strcmp(name, CARD_STRING_AUDIGYLS)) {
197 ForceCard = CARD_AUDIGYLS;
198 }
199 else
200 if(!strcmp(name, CARD_STRING_BT87X)) {
201 ForceCard = CARD_BT87X;
202 }
203 else
204 if(!strcmp(name, CARD_STRING_AZX)) {
205 ForceCard = CARD_AZX;
206 }
207
208}
209//*****************************************************************************
210#endif
211
212//*****************************************************************************
213int DoParm(char cParm, char FAR48 *pszOption)
214{
215 switch (cParm) {
216 case 'A':
217 iAdapterNumber = *pszOption & 0x07;
218 break;
219 case 'V': // Verbose option
220 fVerbose = TRUE;
221 break;
222 case 'D':
223 fDebug = TRUE;
224 break;
225 //case 'C':
226 //CheckCardName(pszOption);
227 //break;
228#if 1
229 case 'M':
230 midi_port = 0x300;
231 //sz2us(pszOption, 16);
232 break;
233#endif
234#ifdef COMM_DEBUG
235 case 'P':
236 if(*pszOption == '0') {
237 MAGIC_COMM_PORT = 0x000;
238 }
239 else
240 if(*pszOption == '1') {
241 MAGIC_COMM_PORT = 0x3f8;
242 }
243 else
244 if(*pszOption == '2') {
245 MAGIC_COMM_PORT = 0x2f8;
246 }
247 if(*pszOption == '4') {
248 MAGIC_COMM_PORT = 0x4000;
249 }
250 break;
251#endif
252
253 default:
254 return FALSE; // unknown parameter
255 }
256 return TRUE;
257}
258
259/* Function: ParseParm
260 Input: pointer to the letter of the parameter (e.g. the 'P' in 'P1:330').
261 length of this parameter, which must be at least 1
262 Output: TRUE if the parameter was value
263 Purpose: parses the string into three parts: the letter parameter, the port
264 number, and the option string. Calls DoParm with these values.
265 Notes:
266 the following describes the format of valid parameters.
267 1. Parameters consist of a letter, an optional number, and an
268 optional 'option'. The format is x[n][:option], where 'x' is the
269 letter, 'n' is the number, and 'option' is the option.
270 2. Blanks are delimeters between parameters, therefore there are no
271 blanks within a parameter.
272 3. The option is preceded by a colon
273 This gives us only four possibilities:
274 P (length == 1)
275 P1 (length == 2)
276 P:option (length >= 3)
277 P1:option (length >= 4)
278*/
279int ParseParm(char FAR48 *pszParm, int iLength)
280{
281 char ch,ch1=(char) toupper(*pszParm); // get letter
282
283 if (iLength == 1) // only a letter?
284 return DoParm(ch1,NULL);
285
286 ch=pszParm[1]; // should be either 1-9 or :
287 if (ch < '1' || (ch > '9' && ch != ':'))
288 return FALSE;
289
290 if (iLength == 3) {
291 if (ch != ':')
292 return FALSE;
293 return DoParm(ch1,pszParm+2);
294 }
295
296 if (ch == ':')
297 return DoParm(ch1,pszParm+2);
298
299 return DoParm(ch1, pszParm+3);
300}
301//*****************************************************************************
302//*****************************************************************************
303int GetParms(char FAR48 *pszCmdLine)
304{
305 int iLength;
306
307 while (*pszCmdLine != ' ') { // skip over filename
308 if (!*pszCmdLine) return TRUE; // no params? then just exit
309 pszCmdLine++;
310 }
311
312 while (TRUE) {
313 pszCmdLine=SkipWhite(pszCmdLine); // move to next param
314 if (!pszCmdLine) return TRUE; // exit if no more
315
316 for (iLength=0; pszCmdLine[iLength]; iLength++) // calculate length
317 if (pszCmdLine[iLength] == ' ') break; // of parameter
318
319 if (!ParseParm(pszCmdLine,iLength)) // found parameter, so parse it
320 return FALSE;
321
322 while (*pszCmdLine != ' ') { // skip over parameter
323 if (!*pszCmdLine) return TRUE; // no params? then just exit
324 pszCmdLine++;
325 }
326 }
327}
328//*****************************************************************************
329//*****************************************************************************
330
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