ciolib.c 28 KB
Newer Older
deuce's avatar
deuce committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* $Id$ */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
 * Copyright 2004 Rob Swindell - http://www.synchro.net/copyright.html		*
 *																			*
 * This library is free software; you can redistribute it and/or			*
 * modify it under the terms of the GNU Lesser General Public License		*
 * as published by the Free Software Foundation; either version 2			*
 * of the License, or (at your option) any later version.					*
 * See the GNU Lesser General Public License for more details: lgpl.txt or	*
 * http://www.fsf.org/copyleft/lesser.html									*
 *																			*
 * Anonymous FTP access to the most recent released source is available at	*
 * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
 *																			*
 * Anonymous CVS access to the development source and modification history	*
 * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
 *     (just hit return, no password is necessary)							*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * You are encouraged to submit any modifications (preferably in Unix diff	*
 * format) via e-mail to mods@synchro.net									*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

34
/* Icon file! */
rswindell's avatar
rswindell committed
35
#ifdef __BORLANDC__
36
#pragma resource "ciolib.res"
rswindell's avatar
rswindell committed
37
#endif
38

39
#include <stdarg.h>
40
#include <stdlib.h>	/* alloca */
41
#include <stdio.h>
42
43
44
#if defined(_WIN32)
 #include <malloc.h>	/* alloca() on Win32 */
#endif
45

deuce's avatar
deuce committed
46
#include <threadwrap.h>
47
48
#include <genwrap.h>
#include <xpbeep.h>
deuce's avatar
deuce committed
49

50
51
52
#define CIOLIB_NO_MACROS
#include "ciolib.h"

deuce's avatar
deuce committed
53
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
54
55
 #include "sdl_con.h"
#endif
deuce's avatar
deuce committed
56
57
58
#ifdef _WIN32
 #include "win32cio.h"
#else
59
60
61
62
63
64
65
 #ifndef NO_X
  #include "x_cio.h"
 #endif
 #include "curs_cio.h"
 #undef getch
#endif

deuce's avatar
deuce committed
66
#include "bitmap_con.h"
67
68
#include "ansi_cio.h"

69
CIOLIBEXPORT cioapi_t	cio_api;
70

71
static const int tabs[10]={9,17,25,33,41,49,57,65,73,80};
72
static int ungotch;
73
struct text_info cio_textinfo;
74
static int lastmode=3;
75
76
77
CIOLIBEXPORT int _wscroll=1;
CIOLIBEXPORT int directvideo=0;
CIOLIBEXPORT int hold_update=0;
78
CIOLIBEXPORT int puttext_can_move=0;
79
80
static int initialized=0;

81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy);
CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str);
CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...);
CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch);
CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info);
CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y);
CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_cputs(char *str);
CIOLIBEXPORT int	CIOLIBCALL ciolib_cprintf(char *fmat, ...);
CIOLIBEXPORT void CIOLIBCALL ciolib_textbackground(int colour);
CIOLIBEXPORT void CIOLIBCALL ciolib_textcolor(int colour);
CIOLIBEXPORT void CIOLIBCALL ciolib_highvideo(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_lowvideo(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_normvideo(void);
CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int b,int c,int d,unsigned char *e);
CIOLIBEXPORT int CIOLIBCALL ciolib_gettext(int a,int b,int c,int d,unsigned char *e);
CIOLIBEXPORT void CIOLIBCALL ciolib_textattr(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_delay(long a);
CIOLIBEXPORT int CIOLIBCALL ciolib_putch(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_setcursortype(int a);
CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode);
CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey);
CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void);
CIOLIBEXPORT void CIOLIBCALL ciolib_insline(void);
CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt);
CIOLIBEXPORT void CIOLIBCALL ciolib_copytext(const char *text, size_t buflen);
CIOLIBEXPORT char * CIOLIBCALL ciolib_getcliptext(void);
115
CIOLIBEXPORT int CIOLIBCALL ciolib_get_window_info(int *width, int *height, int *xpos, int *ypos);
116

117
#define CIOLIB_INIT()		{ if(initialized != 1) initciolib(CIOLIB_MODE_AUTO); }
118

deuce's avatar
deuce committed
119
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
120
121
int try_sdl_init(int mode)
{
122
	if(!sdl_initciolib(mode)) {
123
		cio_api.mouse=1;
deuce's avatar
deuce committed
124
125
126
127
128
129
130
		cio_api.puttext=bitmap_puttext;
		cio_api.gettext=bitmap_gettext;
		cio_api.gotoxy=bitmap_gotoxy;
		cio_api.setcursortype=bitmap_setcursortype;
		cio_api.setfont=bitmap_setfont;
		cio_api.getfont=bitmap_getfont;
		cio_api.loadfont=bitmap_loadfont;
131
		cio_api.movetext=bitmap_movetext;
132
133
		cio_api.clreol=bitmap_clreol;
		cio_api.clrscr=bitmap_clrscr;
deuce's avatar
deuce committed
134

135
136
137
138
139
		cio_api.kbhit=sdl_kbhit;
		cio_api.getch=sdl_getch;
		cio_api.textmode=sdl_textmode;
		cio_api.showmouse=sdl_showmouse;
		cio_api.hidemouse=sdl_hidemouse;
140
		cio_api.setname=sdl_setname;
141
		cio_api.seticon=sdl_seticon;
142
		cio_api.settitle=sdl_settitle;
143
144
145
146
#ifdef _WIN32
		cio_api.copytext=win32_copytext;
		cio_api.getcliptext=win32_getcliptext;
#else
147
148
		cio_api.copytext=sdl_copytext;
		cio_api.getcliptext=sdl_getcliptext;
149
#endif
150
		cio_api.get_window_info=sdl_get_window_info;
151
152
153
154
155
156
		return(1);
	}
	return(0);
}
#endif

157
158
159
160
#ifndef _WIN32
 #ifndef NO_X
int try_x_init(int mode)
{
deuce's avatar
deuce committed
161
	if(!x_init()) {
162
		cio_api.mode=CIOLIB_MODE_X;
deuce's avatar
deuce committed
163
		cio_api.mouse=1;
deuce's avatar
deuce committed
164
165
166
167
168
169
170
		cio_api.puttext=bitmap_puttext;
		cio_api.gettext=bitmap_gettext;
		cio_api.gotoxy=bitmap_gotoxy;
		cio_api.setcursortype=bitmap_setcursortype;
		cio_api.setfont=bitmap_setfont;
		cio_api.getfont=bitmap_getfont;
		cio_api.loadfont=bitmap_loadfont;
deuce's avatar
deuce committed
171
		cio_api.beep=x_beep;
172
		cio_api.movetext=bitmap_movetext;
173
174
		cio_api.clreol=bitmap_clreol;
		cio_api.clrscr=bitmap_clrscr;
175
176

		cio_api.kbhit=x_kbhit;
177
178
		cio_api.getch=x_getch;
		cio_api.textmode=x_textmode;
179
		cio_api.setname=x_setname;
180
		cio_api.settitle=x_settitle;
deuce's avatar
deuce committed
181
182
		cio_api.copytext=x_copytext;
		cio_api.getcliptext=x_getcliptext;
183
		cio_api.get_window_info=x_get_window_info;
184
185
186
187
188
189
190
191
192
		return(1);
	}
	return(0);
}
 #endif

int try_curses_init(int mode)
{
	if(curs_initciolib(mode)) {
193
194
195
		if(mode==CIOLIB_MODE_AUTO)
			mode=CIOLIB_MODE_CURSES;
		cio_api.mode=mode;
196
197
198
199
200
201
202
203
		cio_api.puttext=curs_puttext;
		cio_api.gettext=curs_gettext;
		cio_api.textattr=curs_textattr;
		cio_api.kbhit=curs_kbhit;
		cio_api.gotoxy=curs_gotoxy;
		cio_api.setcursortype=curs_setcursortype;
		cio_api.getch=curs_getch;
		cio_api.textmode=curs_textmode;
deuce's avatar
deuce committed
204
205
		cio_api.showmouse=curs_showmouse;
		cio_api.hidemouse=curs_hidemouse;
206
207
		cio_api.suspend=curs_suspend;
		cio_api.resume=curs_resume;
208
		cio_api.beep=curs_beep;
209
#if defined(NCURSES_VERSION_MAJOR) || defined (__NetBSD__)
210
211
		cio_api.ESCDELAY=&ESCDELAY;
#endif
212
213
214
215
216
217
218
219
220
		return(1);
	}
	return(0);
}
#endif

int try_ansi_init(int mode)
{
	if(ansi_initciolib(mode)) {
221
		cio_api.mode=CIOLIB_MODE_ANSI;
deuce's avatar
deuce committed
222
		cio_api.mouse=0;
223
224
225
226
227
228
229
230
		cio_api.puttext=ansi_puttext;
		cio_api.gettext=ansi_gettext;
		cio_api.textattr=ansi_textattr;
		cio_api.kbhit=ansi_kbhit;
		cio_api.gotoxy=ansi_gotoxy;
		cio_api.setcursortype=ansi_setcursortype;
		cio_api.getch=ansi_getch;
		cio_api.textmode=ansi_textmode;
deuce's avatar
deuce committed
231
		cio_api.ESCDELAY=&CIOLIB_ANSI_TIMEOUT;
deuce's avatar
deuce committed
232
		cio_api.beep=ansi_beep;
233
234
235
236
237
238
		return(1);
	}
	return(0);
}

#ifdef _WIN32
239
240
241
#if defined(__BORLANDC__)
        #pragma argsused
#endif
242
int try_conio_init(int mode)
243
244
{
	/* This should test for something or other */
245
	if(win32_initciolib(mode)) {
246
247
248
249
		if(mode==CIOLIB_MODE_AUTO)
			cio_api.mode=CIOLIB_MODE_CONIO;
		else
			cio_api.mode=mode;	/* CIOLIB_MODE_CONIO or CIOLIB_MODE_CONIO_FULLSCREEN */
deuce's avatar
deuce committed
250
		cio_api.mouse=1;
251
252
		cio_api.puttext=win32_puttext;
		cio_api.gettext=win32_gettext;
deuce's avatar
deuce committed
253
		cio_api.kbhit=win32_kbhit;
254
255
		cio_api.gotoxy=win32_gotoxy;
		cio_api.setcursortype=win32_setcursortype;
deuce's avatar
deuce committed
256
		cio_api.getch=win32_getch;
257
		cio_api.textmode=win32_textmode;
deuce's avatar
deuce committed
258
259
		cio_api.showmouse=win32_showmouse;
		cio_api.hidemouse=win32_hidemouse;
260
		cio_api.setname=win32_settitle;
261
		cio_api.settitle=win32_settitle;
deuce's avatar
deuce committed
262
263
		cio_api.copytext=win32_copytext;
		cio_api.getcliptext=win32_getcliptext;
264
265
		cio_api.suspend=win32_suspend;
		cio_api.resume=win32_resume;
266
267
268
269
270
271
		return(1);
	}
	return(0);
}
#endif

272
/* Optional */
273
274
CIOLIBEXPORT void CIOLIBCALL suspendciolib(void)
{
275
	ciolib_clrscr();
276
277
278
279
280
	if(cio_api.suspend != NULL)
		cio_api.suspend();
	initialized=-1;
}

281
CIOLIBEXPORT int CIOLIBCALL initciolib(int mode)
282
{
283
284
285
286
	switch(initialized) {
		case 1:
			return(0);
		case -1:
287
			initialized=1;
288
289
			if(cio_api.resume != NULL)
				cio_api.resume();
290
			ciolib_clrscr();
291
292
293
			return(0);
	}

294
295
	memset(&cio_api,0,sizeof(cio_api));

296
	switch(mode) {
297
		case CIOLIB_MODE_AUTO:
deuce's avatar
deuce committed
298
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
299
			if(!try_sdl_init(CIOLIB_MODE_SDL))
300
#endif
301
#ifdef _WIN32
302
				if(!try_conio_init(mode))
303
#else
304
#ifndef NO_X
305
				if(!try_x_init(mode))
306
#endif
307
					if(!try_curses_init(mode))
308
#endif
309
						try_ansi_init(mode);
310
311
			break;
#ifdef _WIN32
312
		case CIOLIB_MODE_CONIO:
313
		case CIOLIB_MODE_CONIO_FULLSCREEN:
314
			try_conio_init(mode);
315
316
			break;
#else
317
318
		case CIOLIB_MODE_CURSES:
		case CIOLIB_MODE_CURSES_IBM:
319
320
			try_curses_init(mode);
			break;
321

322
		case CIOLIB_MODE_X:
323
#ifndef NO_X
324
			try_x_init(mode);
325
#endif
326
327
			break;
#endif
328
		case CIOLIB_MODE_ANSI:
329
330
			try_ansi_init(mode);
			break;
331

deuce's avatar
deuce committed
332
#if defined(WITH_SDL) || defined(WITH_SDL_AUDIO)
333
		case CIOLIB_MODE_SDL:
334
		case CIOLIB_MODE_SDL_FULLSCREEN:
deuce's avatar
deuce committed
335
336
		case CIOLIB_MODE_SDL_YUV:
		case CIOLIB_MODE_SDL_YUV_FULLSCREEN:
337
338
339
			try_sdl_init(mode);
			break;
#endif
340
	}
341
	if(cio_api.mode==CIOLIB_MODE_AUTO) {
deuce's avatar
deuce committed
342
		fprintf(stderr,"CIOLIB initialization failed!\n");
343
344
345
346
347
348
349
350
		return(-1);
	}

	initialized=1;
	cio_textinfo.winleft=1;
	cio_textinfo.wintop=1;
	cio_textinfo.winright=cio_textinfo.screenwidth;
	cio_textinfo.winbottom=cio_textinfo.screenheight;
351
	/* Default C64 is Lt Blue on Black (As per CGTerm) */
deuce's avatar
Typo.    
deuce committed
352
	switch(cio_textinfo.currmode) {
353
354
355
356
357
358
359
360
		case C64_40X25:
		case C128_40X25:
		case C128_80X25:
			cio_textinfo.normattr=14;
			break;
		default:
			cio_textinfo.normattr=7;
	}
deuce's avatar
deuce committed
361
	_beginthread(ciolib_mouse_thread,0,NULL);
362
363
364
	return(0);
}

365
/* **MUST** be implemented */
366
CIOLIBEXPORT int CIOLIBCALL ciolib_kbhit(void)
367
{
368
	CIOLIB_INIT();
369
370
371
372
373
	if(ungotch)
		return(1);
	return(cio_api.kbhit());
}

374
/* **MUST** be implemented */
375
CIOLIBEXPORT int CIOLIBCALL ciolib_getch(void)
376
377
378
{
	int ch;

379
380
	CIOLIB_INIT();

381
382
383
384
385
386
387
388
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		return(ch);
	}
	return(cio_api.getch());
}

389
/* Optional */
390
CIOLIBEXPORT int CIOLIBCALL ciolib_getche(void)
391
392
393
{
	int ch;

394
395
	CIOLIB_INIT();

396
397
398
399
400
401
	if(ungotch) {
		ch=ungotch;
		ungotch=0;
		ciolib_putch(ch);
		return(ch);
	}
402
403
404
405
406
	if(cio_api.getche())
		return(cio_api.getche());
	else {
		while(1) {
			ch=ciolib_getch();
407
			if(ch != 0 && ch != 0xe0) {
408
409
410
				ciolib_putch(ch);
				return(ch);
			}
411
412
413
			/* Eat extended chars - except ESC which is an abort */
			if(ciolib_getch()==1)
				return(EOF);
414
415
		}
	}
416
417
}

418
/* Optional */
419
CIOLIBEXPORT int CIOLIBCALL ciolib_ungetch(int ch)
420
{
421
	CIOLIB_INIT();
422

423
424
	if(ungotch)
		return(EOF);
425
426
	if(cio_api.ungetch)
		return(cio_api.ungetch(ch));
427
428
429
430
	ungotch=ch;
	return(ch);
}

431
/* Optional */
432
CIOLIBEXPORT int CIOLIBCALL ciolib_movetext(int sx, int sy, int ex, int ey, int dx, int dy)
433
434
435
{
	int width;
	int height;
436
	unsigned char *buf;
437

438
	CIOLIB_INIT();
439
440

	if(cio_api.movetext != NULL)
deuce's avatar
deuce committed
441
		return(cio_api.movetext(sx, sy, ex, ey, dx, dy));
442

443
444
	width=ex-sx;
	height=ey-sy;
445
	buf=(unsigned char *)alloca((width+1)*(height+1)*2);
446
447
	if(buf==NULL)
		return(0);
448
	if(!ciolib_gettext(sx,sy,ex,ey,buf))
449
		return(0);
450
	if(!ciolib_puttext(dx,dy,dx+width,dy+height,buf))
451
452
453
454
		return(0);
	return(1);
}

455
/* Optional */
456
CIOLIBEXPORT char * CIOLIBCALL ciolib_cgets(char *str)
457
458
459
460
461
{
	int	maxlen;
	int len=0;
	int ch;

462
	CIOLIB_INIT();
463

464
465
466
	if(cio_api.cgets)
		return(cio_api.cgets(str));

467
	maxlen=*(unsigned char *)str;
468
	while((ch=ciolib_getch())!='\n' && ch !='\r') {
469
		switch(ch) {
470
471
472
473
			case 0:		/* Skip extended keys */
			case 0xe0:	/* Skip extended keys */
				if(ciolib_getche()==1)
					goto early_return;
474
				break;
deuce's avatar
deuce committed
475
			case '\r':	/* Skip \r (ToDo: Should this be treated as a \n? */
476
477
478
				break;
			case '\b':
				if(len==0) {
479
					ciolib_putch(7);
480
481
482
483
484
485
					break;
				}
				ciolib_putch('\b');
				len--;
				break;
			default:
486
				ciolib_putch(ch);
487
488
489
490
				str[(len++)+2]=ch;
				if(len==maxlen) {
					str[len+2]=0;
					*((unsigned char *)(str+1))=(unsigned char)len;
deuce's avatar
deuce committed
491
					ciolib_putch('\r');
492
					ciolib_putch('\n');
493
494
495
496
497
					return(&str[2]);
				}
				break;
		}
	}
deuce's avatar
deuce committed
498
early_return:
499
500
	str[len+2]=0;
	*((unsigned char *)(str+1))=(unsigned char)len;
deuce's avatar
deuce committed
501
	ciolib_putch('\r');
502
	ciolib_putch('\n');
503
	return(&str[2]);
504
505
}

506
507
508
509
510
511
512
513
514
515
516
517
#ifdef _MSC_VER	/* Use lame vsscanf() implementation */
/* This is a way to do _vsscanf without using fancy stack tricks or using the
 * "_input" method provided by Microsoft, which is no longer exported as of .NET.
 * The function has a limit of 25 arguments (or less if you run out of stack space),
 *  but how many arguments do you need?
 */
/* From "krabsheva" - http://www.codeguru.com/Cpp/Cpp/string/comments.php/c5631/?thread=1051 */
int vsscanf( const char *buffer, const char *format, va_list arg_ptr )
{
	int i, ret;
	void *arg_arr[25];

518
	/* Do exception handling in case we go too far // */
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
	__try
	{
		for ( i = 0; i < 25; i++ )
			arg_arr[i] = va_arg( arg_ptr, void * );
	}
	__except( EXCEPTION_EXECUTE_HANDLER )
	{
	}

	/* This is lame, but the extra arguments won't be used by sscanf */
	ret = sscanf( buffer, format, arg_arr[0], arg_arr[1], arg_arr[2], arg_arr[3],
		arg_arr[4], arg_arr[5], arg_arr[6], arg_arr[7], arg_arr[8], arg_arr[9],
		arg_arr[10], arg_arr[11], arg_arr[12], arg_arr[13], arg_arr[14],
		arg_arr[15], arg_arr[16], arg_arr[17], arg_arr[18], arg_arr[19],
		arg_arr[20], arg_arr[21], arg_arr[22], arg_arr[23], arg_arr[24] );

	return ret;
}
#endif

539
/* Optional... in fact, since it's varargs, you can't override it */
540
CIOLIBEXPORT int CIOLIBCALL ciolib_cscanf (char *format , ...)
541
542
543
544
545
{
	char str[255];
    va_list argptr;
	int ret;

546
	CIOLIB_INIT();
547

548
549
550
551
552
553
554
	str[0]=-1;
	va_start(argptr,format);
	ret=vsscanf(ciolib_cgets(str),format,argptr);
	va_end(argptr);
	return(ret);
}

555
/* Optional */
556
CIOLIBEXPORT char * CIOLIBCALL ciolib_getpass(const char *prompt)
557
558
559
560
561
{
	static char pass[9];
	int len=0;
	int ch;

562
	CIOLIB_INIT();
563
564
565
566

	if(cio_api.getpass)
		return(cio_api.getpass(prompt));

567
	ciolib_cputs((char *)prompt);
deuce's avatar
deuce committed
568
	while((ch=ciolib_getch())!='\n') {
569
		switch(ch) {
570
571
572
573
			case 0:		/* Skip extended keys */
			case 0xe0:	/* Skip extended keys */
				if(ciolib_getch()==1)
					goto early_return;
574
575
576
577
578
				break;
			case '\r':	/* Skip \r (ToDo: Should this be treeated as a \n? */
				break;
			case '\b':
				if(len==0) {
579
					ciolib_putch(7);
580
581
582
583
584
585
					break;
				}
				len--;
				break;
			default:
				if(len==8)
586
					ciolib_putch(7);
587
588
589
590
591
				else
					pass[len++]=ch;
				break;
		}
	}
592
early_return:
593
594
	pass[len]=0;
	return(pass);
595
596
}

597
598
/* TODO: Hackery here... must fix */
/* Optional */
599
CIOLIBEXPORT void CIOLIBCALL ciolib_gettextinfo(struct text_info *info)
600
{
601
602
603
604

	CIOLIB_INIT()

	if(cio_api.gettextinfo) {
605
		cio_api.gettextinfo(&cio_textinfo);
606
		return;
607
	}
608
	
609
610
	if(info!=&cio_textinfo)
		*info=cio_textinfo;
611
612
}

613
/* Optional */
614
CIOLIBEXPORT void CIOLIBCALL ciolib_wscroll(void)
615
616
617
{
	int os;

618
	CIOLIB_INIT();
619

620
	if(cio_api.wscroll!=NULL) {
621
622
623
		cio_api.wscroll();
		return;
	}
624
625
	if(!_wscroll)
		return;
626
627
628
629
630
631
632
	ciolib_movetext(cio_textinfo.winleft
			,cio_textinfo.wintop+1
			,cio_textinfo.winright
			,cio_textinfo.winbottom
			,cio_textinfo.winleft
			,cio_textinfo.wintop);
	ciolib_gotoxy(1,cio_textinfo.winbottom-cio_textinfo.wintop+1);
633
634
	os=_wscroll;
	_wscroll=0;
635
636
	/* ciolib_cprintf("%*s",ti.winright-ti.winleft+1,""); */
	ciolib_clreol();
637
	_wscroll=os;
638
	ciolib_gotoxy(cio_textinfo.curx,cio_textinfo.cury);
639
640
}

641
/* Optional */
642
CIOLIBEXPORT int CIOLIBCALL ciolib_wherex(void)
643
644
645
{
	int x;

646
	CIOLIB_INIT();
647
648
649
650
651
652
653
654

	if(cio_api.wherex) {
		/* TODO: This is old hackery... beware */
		x=cio_api.wherex();
		x=x-cio_textinfo.winleft+1;
	}
	else
		x=cio_textinfo.curx;
655
656
657
	return(x);
}

658
/* Optional */
659
CIOLIBEXPORT int CIOLIBCALL ciolib_wherey(void)
660
661
662
{
	int y;

663
	CIOLIB_INIT();
664
665
666
667
668
669
670
671

	if(cio_api.wherey) {
		/* TODO: This is old hackery... beware */
		y=cio_api.wherey();
		y=y-cio_textinfo.wintop+1;
	}
	else
		y=cio_textinfo.cury;
672
673
674
	return(y);
}

675
/* **MUST** be implemented */
676
CIOLIBEXPORT void CIOLIBCALL ciolib_gotoxy(int x, int y)
677
{
678
	CIOLIB_INIT();
679

680
	if(		x < 1
681
			|| x > cio_textinfo.winright-cio_textinfo.winleft+1
682
			|| y < 1
683
			|| y > cio_textinfo.winbottom-cio_textinfo.wintop+1)
684
		return;
685
	cio_api.gotoxy(x,y);
686
687
}

688
/* **MUST** be implemented */
689
CIOLIBEXPORT void CIOLIBCALL ciolib_textmode(int mode)
690
{
691
	CIOLIB_INIT();
692

693
694
695
696
697
	if(mode==-1) {
		cio_api.textmode(lastmode);
		lastmode=cio_textinfo.currmode;
	}
	else {
698
699
		if(mode==64)
			mode=C80X50;
700
701
702
703
704
705
706
		lastmode=cio_textinfo.currmode;
		cio_api.textmode(mode);
	}
	cio_textinfo.winleft=1;
	cio_textinfo.wintop=1;
	cio_textinfo.winright=cio_textinfo.screenwidth;
	cio_textinfo.winbottom=cio_textinfo.screenheight;
deuce's avatar
Typo.    
deuce committed
707
	switch(cio_textinfo.currmode) {
708
709
710
711
712
713
714
715
		case C64_40X25:
		case C128_40X25:
		case C128_80X25:
			cio_textinfo.normattr=14;
			break;
		default:
			cio_textinfo.normattr=7;
	}
716
717
}

718
/* Optional */
719
CIOLIBEXPORT void CIOLIBCALL ciolib_window(int sx, int sy, int ex, int ey)
720
{
721
	CIOLIB_INIT();
722
723
724
725

	if(cio_api.window)
		cio_api.window(sx,sy,ex,ey);

726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
	if(		   sx < 1
			|| sy < 1
			|| ex < 1
			|| ey < 1
			|| sx > cio_textinfo.screenwidth
			|| sy > cio_textinfo.screenheight
			|| sx > ex
			|| sy > ey
			|| ex > cio_textinfo.screenwidth
			|| ey > cio_textinfo.screenheight)
		return;
	cio_textinfo.winleft=sx;
	cio_textinfo.wintop=sy;
	cio_textinfo.winright=ex;
	cio_textinfo.winbottom=ey;
	ciolib_gotoxy(1,1);
}

744
/* Optional */
745
CIOLIBEXPORT void CIOLIBCALL ciolib_clreol(void)
746
{
747
748
749
	unsigned char *buf;
	int i;
	int width,height;
750

751
	CIOLIB_INIT();
752

753
754
755
756
	if(cio_api.clreol) {
		cio_api.clreol();
		return;
	}
757

758
	width=cio_textinfo.winright-cio_textinfo.winleft+1-cio_textinfo.curx+1;
759
	height=1;
760
	buf=(unsigned char *)alloca(width*height*2);
761
762
	for(i=0;i<width*height*2;) {
		buf[i++]=' ';
763
		buf[i++]=cio_textinfo.attribute;
764
	}
765
766
767
768
769
770
	ciolib_puttext(
			cio_textinfo.curx+cio_textinfo.winleft-1,
			cio_textinfo.cury+cio_textinfo.wintop-1,
			cio_textinfo.winright,
			cio_textinfo.cury+cio_textinfo.wintop-1,
			buf);
771
772
}

773
/* Optional */
774
CIOLIBEXPORT void CIOLIBCALL ciolib_clrscr(void)
775
{
776
	unsigned char *buf;
777
778
	int i;
	int width,height;
779
	int old_ptcm=puttext_can_move;
780

781
	CIOLIB_INIT();
782
783
784
785
	if(cio_api.clrscr) {
		cio_api.clrscr();
		return;
	}
deuce's avatar
deuce committed
786

787
788
	width=cio_textinfo.winright-cio_textinfo.winleft+1;
	height=cio_textinfo.winbottom-cio_textinfo.wintop+1;
789
	buf=(unsigned char *)alloca(width*height*2);
790
791
	for(i=0;i<width*height*2;) {
		buf[i++]=' ';
792
		buf[i++]=cio_textinfo.attribute;
793
	}
794
	puttext_can_move=1;
795
	ciolib_puttext(cio_textinfo.winleft,cio_textinfo.wintop,cio_textinfo.winright,cio_textinfo.winbottom,buf);
796
	ciolib_gotoxy(1,1);
797
	puttext_can_move=old_ptcm;
798
799
}

800
/* Optional */
801
CIOLIBEXPORT void CIOLIBCALL ciolib_delline(void)
802
{
803
	CIOLIB_INIT();
804

805
806
807
808
809
810
811
812
813
814
815
	if(cio_api.delline) {
		cio_api.delline();
		return;
	}
	ciolib_movetext(cio_textinfo.winleft
			,cio_textinfo.cury+1
			,cio_textinfo.winright
			,cio_textinfo.winbottom
			,cio_textinfo.winleft
			,cio_textinfo.cury);
	ciolib_gotoxy(1,cio_textinfo.winbottom-cio_textinfo.wintop+1);
816
	ciolib_clreol();
817
	ciolib_gotoxy(cio_textinfo.curx,cio_textinfo.cury);
818
819
}

820
/* Optional */
821
CIOLIBEXPORT void CIOLIBCALL ciolib_insline(void)
822
{
823
	CIOLIB_INIT();
824

825
826
827
828
829
830
	if(cio_api.insline) {
		cio_api.insline();
		return;
	}
	ciolib_movetext(cio_textinfo.winleft,cio_textinfo.cury,cio_textinfo.winright,cio_textinfo.winbottom,cio_textinfo.winleft,cio_textinfo.cury+1);
	ciolib_gotoxy(1,cio_textinfo.cury);
831
	ciolib_clreol();
832
	ciolib_gotoxy(cio_textinfo.curx,cio_textinfo.cury);
833
834
}

835
/* Not overridable due to varargs */
836
CIOLIBEXPORT int CIOLIBCALL ciolib_cprintf(char *fmat, ...)
837
838
839
{
    va_list argptr;
	int		ret;
840
#ifdef _MSC_VER		/* Can't figure out a way to allocate a "big enough" buffer for Win32. */
841
842
843
	char	str[16384];
#else
	char	*str;
deuce's avatar
deuce committed
844
#ifndef HAVE_VASPRINTF
845
	va_list argptr2;
deuce's avatar
deuce committed
846
#endif
847
848
#endif

849
	CIOLIB_INIT();
850

851
    va_start(argptr,fmat);
852
853
854
855
856
857
858
859
860
861

#ifdef HAVE_VASPRINTF
	ret=vasprintf(&str, fmat, argptr);
	if(ret>=0)
		ciolib_cputs(str);
	else
		ret=EOF;
	free(str);
#else

862
#ifdef _MSC_VER
rswindell's avatar
rswindell committed
863
	ret=_vsnprintf(str,sizeof(str)-1,fmat,argptr);
864
#else
865
866
867
868

#ifdef __BORLANDC__
	argptr2=argptr;
#else
869
	va_copy(argptr2, argptr);
870
#endif
871
    ret=vsnprintf(NULL,0,fmat,argptr);
deuce's avatar
deuce committed
872
873
	if(ret<0)
		return(EOF);
874
	str=(char *)alloca(ret+1);
875
876
	if(str==NULL)
		return(EOF);
877
	ret=vsprintf(str,fmat,argptr2);
878
879
#endif
    va_end(argptr);
880
#ifndef _MSC_VER
881
    va_end(argptr2);
882
#endif
883
884
885
886
	if(ret>=0)
		ciolib_cputs(str);
	else
		ret=EOF;
887
888
889

#endif

890
891
892
    return(ret);
}

893
/* Optional */
894
CIOLIBEXPORT int CIOLIBCALL ciolib_cputs(char *str)
895
896
897
{
	int		pos;
	int		ret=0;
898
	int		olddmc;
899

900
	CIOLIB_INIT();
901

902
903
904
	if(cio_api.cputs)
		return(cio_api.cputs(str));

905
906
	olddmc=hold_update;
	hold_update=1;
907
908
909
910
911
912
913
	for(pos=0;str[pos];pos++)
	{
		ret=str[pos];
		if(str[pos]=='\n')
			ciolib_putch('\r');
		ciolib_putch(str[pos]);
	}
914
	hold_update=olddmc;
deuce's avatar
deuce committed
915
	ciolib_gotoxy(ciolib_wherex(),ciolib_wherey());
916
917
918
	return(ret);
}

919
/* Optional... and overriding is silly */
920
CIOLIBEXPORT void CIOLIBCALL ciolib_textbackground(int colour)
921
922
{
	unsigned char attr;
923
	unsigned char col;
924

925
	CIOLIB_INIT();
926
927
928
929
930
931

	if(cio_api.textbackground) {
		cio_api.textbackground(colour);
		return;
	}

932
933
	attr=cio_textinfo.attribute;
	attr&=143;
934
935
	col=(colour & 0x07);
	attr|=(col<<4);
936
937
938
	ciolib_textattr(attr);
}

939
/* Optional... and overriding is silly */
940
CIOLIBEXPORT void CIOLIBCALL ciolib_textcolor(int colour)
941
942
{
	unsigned char attr;
943
	unsigned char col;
944

945
	CIOLIB_INIT();
946
947
948
949
950
951

	if(cio_api.textcolor) {
		cio_api.textcolor(colour);
		return;
	}

952
953
	attr=cio_textinfo.attribute;
	attr&=240;
954
955
	col=colour&0x0f;
	attr|=col;
956
957
958
	ciolib_textattr(attr);
}

959
/* Optional... and overriding is silly */
960
CIOLIBEXPORT void CIOLIBCALL ciolib_highvideo(void)
961
962
963
{
	int attr;

964
	CIOLIB_INIT();
965
966
967
968
969
970

	if(cio_api.highvideo) {
		cio_api.highvideo();
		return;
	}

971
972
973
974
975
	attr=cio_textinfo.attribute;
	attr |= 8;
	ciolib_textattr(attr);
}

976
/* Optional... and overriding is silly */
977
CIOLIBEXPORT void CIOLIBCALL ciolib_lowvideo(void)
978
979
980
{
	int attr;

981
	CIOLIB_INIT();
982
983
984
985
986
987

	if(cio_api.lowvideo) {
		cio_api.lowvideo();
		return;
	}

988
989
990
991
992
	attr=cio_textinfo.attribute;
	attr &= 0xf7;
	ciolib_textattr(attr);
}

993
/* Optional... and overriding is silly */
994
CIOLIBEXPORT void CIOLIBCALL ciolib_normvideo(void)
995
{
996
997
	CIOLIB_INIT();
	
998
999
1000
1001
1002
	if(cio_api.normvideo) {
		cio_api.normvideo();
		return;
	}
	ciolib_textattr(cio_textinfo.normattr);
1003
1004
}

1005
/* **MUST** be implemented */
1006
CIOLIBEXPORT int CIOLIBCALL ciolib_puttext(int a,int