xref: /illumos-gate/usr/src/lib/iconv_modules/ko/common/nbyte_to_euc.c (revision 16d8656330ae5622ec32e5007f62145ebafdc50f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 1995 by Sun Microsystems, Inc.
23  * All Rights Reserved.
24  */
25 
26 
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <ctype.h>
30 #include <string.h>
31 #include "kdefs.h"
32 #include <errno.h>
33 #include "ktable.h"
34 #include "nbyte_euc.h"
35 
36 extern KCHAR getc_12();
37 extern KCHAR packtocomp();
38 
39 struct _cv_state {
40 	char temp_ibuf[5];
41 	int  ibuf_left;
42 	int  istart, iend;
43 	char temp_obuf[1];
44 	int  flush_obuf;
45 };
46 
47 int is_SI(char **inbuf, size_t *inbytesleft, struct _cv_state *st);
48 
49 static int _johap_to_wansung(unsigned short* wcode, unsigned short code);
50 
51 /****  _ I C V _ O P E N  ****/
52 
_icv_open()53 void* _icv_open()
54 {
55 	_conv_desc* cd = (_conv_desc*)malloc(sizeof(_conv_desc));
56 
57 	if (cd == (_conv_desc*)NULL)
58 	{
59 		errno = ENOMEM;
60 		return((void*)-1);
61 	}
62 
63 	cd->cur_stat = 1;
64 	cd->hbuf[1] = cd->hbuf[2] = cd->hbuf[3] = cd->hbuf[4] = '\0';
65 	cd->cur_act = 0;
66 
67 	return((void*)cd);
68 }  /* end of int _icv_open(). */
69 
70 
71 /****  _ I C V _ C L O S E  ****/
72 
_icv_close(_conv_desc * cd)73 void _icv_close(_conv_desc* cd)
74 {
75 	if (!cd)
76 		errno = EBADF;
77 	else
78 		free((void*)cd);
79 }  /* end of void _icv_close(_conv_desc*). */
80 
81 
82 /****  _ I C V _ I C O N V  ****/
83 
_icv_iconv(_conv_desc * cd,char ** inbuf,size_t * inbufleft,char ** outbuf,size_t * outbufleft)84 size_t _icv_iconv(_conv_desc* cd, char** inbuf, size_t* inbufleft,
85 			char** outbuf, size_t* outbufleft)
86 {
87 	size_t		ret_val = 0;
88 	unsigned char*	ib;
89 	unsigned char*	ob;
90 	unsigned char*	ibtail;
91 	unsigned char*	obtail;
92 
93 	if (!cd)
94 	{
95 		errno = EBADF;
96 		return((size_t)-1);
97 	}
98 
99 	if (!inbuf || !(*inbuf))
100 	{
101 		cd->cur_stat = 1;
102 		cd->hbuf[1] = cd->hbuf[2] = cd->hbuf[3] = cd->hbuf[4] = '\0';
103 		cd->cur_act = 0;
104 		return((size_t)0);
105 	}
106 
107 	ib = (unsigned char*)*inbuf;
108 	ob = (unsigned char*)*outbuf;
109 	ibtail = ib + *inbufleft;
110 	obtail = ob + *outbufleft;
111 
112 	while (ib < ibtail)
113 	{
114 		int		cur_input, action, state;
115 		char		result;
116 		int		input_conv(char);
117 		unsigned short	make_johap_code(int, char*);
118 		int		_johap_to_wansung(unsigned short*,
119 							unsigned short);
120 
121 		cur_input = input_conv(*ib);
122 		action = next_act[cd->cur_stat][cur_input];
123 		state = next_stat[cd->cur_stat][cur_input];
124 		if (action == 4)
125 		{
126 			if (ob >= obtail)
127 			{
128 				errno = E2BIG;
129 				ret_val = (size_t)-1;
130 				break;
131 			}
132 			*ob++ = *ib;
133 		}
134 		else if (action >= 5 && action <= 8)
135 			cd->hbuf[action - 4] = *ib;
136 		else if (action == 9)
137 		{
138 			ADD_CONVERTED_CODE(0, 0);
139 			cd->hbuf[1] = *ib;
140 		}
141 		else if (action == 10)
142 		{
143 			ADD_CONVERTED_CODE(0, 0);
144 			cd->hbuf[2] = *ib;
145 			ADD_CONVERTED_CODE(0, 0);
146 		}
147 		else if (action == 11 || action == 12)
148 		{
149 			ADD_CONVERTED_CODE(0, 0);
150 		}
151 		else if (action == 13)
152 		{
153 			ADD_CONVERTED_CODE(0, 1);
154 			*ob++ = *ib;
155 		}
156 		else if (action == 14)
157 		{
158 			register char c1 = cd->hbuf[2], c2 = *ib;
159 
160 			if (c1 == 'l' && c2 == 'b')  /* _|_ && |- */
161 				cd->hbuf[2] = 'm';
162 			else if (c1 == 'l' && c2 == 'c')  /* _|_ && H */
163 				cd->hbuf[2] = 'n';
164 			else if (c1 == 'l' && c2 == '|')  /* _|_ && | */
165 				cd->hbuf[2] = 'o';
166 			else if (c1 == 's' && c2 == 'f')  /* T && -| */
167 				cd->hbuf[2] = 't';
168 			else if (c1 == 's' && c2 == 'g')  /* T && -|| */
169 				cd->hbuf[2] = 'u';
170 			else if (c1 == 's' && c2 == '|')  /* T && | */
171 				cd->hbuf[2] = 'v';
172 			else if (c1 == 'z' && c2 == '|')  /* __ && | */
173 				cd->hbuf[2] = '{';
174 			else
175 				cd->hbuf[2] = *ib;  /* Just in case. */
176 		}
177 		else if (action == 15)
178 		{
179 			cd->hbuf[2] = *ib;
180 			ADD_CONVERTED_CODE(0, 0);
181 		}
182 		else if (action == 16)
183 		{
184 			ADD_CONVERTED_CODE(0, 0);
185 		}
186 		else if (action == 17)
187 		{
188 			ADD_CONVERTED_CODE(1, 0);
189 			cd->hbuf[2] = *ib;
190 		}
191 		cd->cur_act = action;
192 		cd->cur_stat = state;
193 		ib++;
194 	}
195 
196 	*inbuf = (char*)ib;
197 	*inbufleft = ibtail - ib;
198 	*outbuf = (char*)ob;
199 	*outbufleft = obtail - ob;
200 
201 	return(ret_val);
202 }  /* end of size_t _icv_iconv(_conv_desc*, char**, size_t*, char**, size_t*).*/
203 
204 
205 /****  I N P U T _ C O N V  ****/
206 
input_conv(char c)207 int input_conv(char c)
208 {
209 	switch (c)
210 	{
211 		case 'H':	/* dd */
212 		case 'S':	/* bb */
213 		case 'Y':	/* jj */
214 			return(1);
215 
216 		case 'A':	/* g */
217 			return(2);
218 
219 		case 'D':	/* n */
220 			return(3);
221 
222 		case 'I':	/* r */
223 			return(4);
224 
225 		case 'R':	/* b */
226 			return(5);
227 
228 		case 'B':	/* gg */
229 		case 'G':	/* d */
230 		case 'V':	/* ss */
231 		case 'W':	/* o */
232 		case 'Z':	/* ch */
233 		case '[':	/* k */
234 			return(6);
235 
236 		case 'U':	/* s */
237 			return(7);
238 
239 		case 'X':	/* j */
240 			return(8);
241 
242 		case '^':	/* h */
243 			return(9);
244 
245 		case 'Q':	/* m */
246 		case ']':	/* p */
247 		case '\\':	/* t */
248 			return(10);
249 
250 		case 'k':	/* =|| */
251 		case 'd':	/* |= */
252 		case 'e':	/* |=| */
253 		case 'j':	/* =| */
254 		case 'r':	/* _||_ */
255 		case 'w':	/* TT */
256 			return(11);
257 
258 		case 'b':	/* |- */
259 		case 'c':	/* H */
260 			return(12);
261 
262 		case 'f':	/* -| */
263 		case 'g':	/* -|| */
264 			return(13);
265 
266 		case '|':	/* | */
267 			return(14);
268 
269 		case 'l':	/* _|_ */
270 			return(15);
271 
272 		case 's':	/* T */
273 			return(16);
274 
275 		case 'z':	/* __ */
276 			return(17);
277 
278 		case '\016':
279 			return(18);
280 
281 		case '\017':
282 		case '\024':
283 			return(19);
284 
285 		default:
286 			return(20);
287 	}
288 }  /* end of int input_conv(char). */
289 
290 
291 /****  M A K E _ J O H A P _ C O D E  ****/
292 
make_johap_code(int n,char * temp)293 unsigned short make_johap_code(int n, char* temp)
294 {
295 	register unsigned short code = 0;
296 	char 			save ='\0';
297 
298 	if (n == 1)
299 	{
300 		if (temp[4] == '\0')
301 		{
302 			save = temp[3];
303 			temp[3] = '\0';
304 		}
305 		else
306 		{
307 			save = temp[4];
308 			temp[4] = '\0';
309 		}
310 	}
311 
312 	code = (temp[1] >= 'A' && temp[1] <= '^') ?
313 			(unsigned short)X32_19[temp[1] - '@']
314 			: (unsigned short)9;
315 	code = (code << 5) | (unsigned short)((temp[2] >= 'b' &&
316 				temp[2] <= '|') ? X32_21[temp[2] - '`']
317 						    : 1);
318 	code = (code << 5) | (unsigned short)((temp[3] >= 'A' &&
319 				temp[3] <= '^') ? X32_28[temp[3] - '@']
320 						    : 1);
321 
322 	if (temp[4] >= 'A')
323 	{
324 		if (temp[3] == 'A' && temp[4] == 'U')  /* gs */
325 			code += 2;
326 		else if (temp[3] == 'D' && temp[4] == 'X')  /* nj */
327 			code++;
328 		else if (temp[3] == 'D' && temp[4] == '^')  /* nh */
329 			code += 2;
330 		else if (temp[3] == 'I' && temp[4] == 'A')  /* rg */
331 			code++;
332 		else if (temp[3] == 'I' && temp[4] == 'Q')  /* rm */
333 			code += 2;
334 		else if (temp[3] == 'I' && temp[4] == 'R')  /* rb */
335 			code += 3;
336 		else if (temp[3] == 'I' && temp[4] == 'U')  /* rs */
337 			code += 4;
338 		else if (temp[3] == 'I' && temp[4] == '\\')  /* rt */
339 			code += 5;
340 		else if (temp[3] == 'I' && temp[4] == ']')  /* rp */
341 			code += 6;
342 		else if (temp[3] == 'I' && temp[4] == '^')  /* rh */
343 			code += 7;
344 		else if (temp[3] == 'R' && temp[4] == 'U')  /* bs */
345 			code++;
346 		else if (temp[3] == 'U' && temp[4] == 'U')  /* ss */
347 			code++;
348 	}
349 
350 	temp[1] = (n == 1) ? save : '\0';
351 	temp[2] = temp[3] = temp[4] = '\0';
352 	return(code | 0x8000);
353 }  /* end of unsigned short make_johap_code(int, char*). */
354 
355 
356 /****  _ J O H A P _ T O _ W A N S U N G  ****/
357 
_johap_to_wansung(unsigned short * wcode,unsigned short code)358 static int _johap_to_wansung(unsigned short* wcode, unsigned short code)
359 {
360 	register unsigned short	i;
361 	unsigned short 		ci, v, cf;
362 	unsigned short		mask, disp;
363 	long			cfbit;
364 
365 	*wcode = 0;
366 	ci = CHOSUNG(code) - 0x0A;
367 	v = JOONGSUNG(code) - ((unsigned short)JOONGSUNG(code) / 4 + 2);
368 	cf = JONGSUNG(code);
369 
370 	if (JOONGSUNG(code) - ((unsigned short)JOONGSUNG(code) / 4 + 2) < 0)
371 		*wcode = 0xA4A0 + Y19_32[ci + 1];
372 	else if (CHOSUNG(code) - 0x0A < 0)
373 	{
374 		if (cf <= 1)
375 			*wcode = 0xA4BF + v;
376 		else
377 			return(FAILED);
378 	}
379 	else
380 	{
381 		 if (cf < 2)
382 			cf = 1;
383 
384 		cfbit = cmp_bitmap[ci][v];
385 		for (disp = 0, i = 0; i < cf; i++)
386 		{
387 			if (cfbit & BIT_MASK)
388 				disp++;
389 			cfbit >>= 1;
390 		}
391 		if (!(cfbit & BIT_MASK))
392 			return(FAILED);
393 
394 		*wcode = cmp_srchtbl[ci][v] + disp;
395 		mask = cmp_srchtbl[ci][v] & 0xFF;
396 
397 		*wcode += (((short)(mask + disp) > 0xFE) ? SKIP : 0);
398 	}
399 
400 	return(HANGUL);
401 }  /* end of unsigned short _johap_to_wansung(unsigned short, unsigned short,
402     *						unsigned short). */
403 
404 void *
_cv_open()405 _cv_open()
406 {
407         struct _cv_state *st;
408 
409         if ((st = (struct _cv_state *)malloc(sizeof(struct _cv_state))) == NULL)
410                 return ((void *)-1);
411 
412 	st->ibuf_left = 0;
413 	st->istart = 0;
414 	st->iend = 0;
415 	st->flush_obuf = 0;
416 
417         return (st);
418 }
419 
420 void
_cv_close(st)421 _cv_close(st)
422 struct _cv_state *st;
423 {
424         free(st);
425 }
426 
427 size_t
_cv_enconv(st,inbuf,inbytesleft,outbuf,outbytesleft)428 _cv_enconv(st, inbuf, inbytesleft, outbuf, outbytesleft)
429 struct _cv_state *st;
430 char **inbuf;
431 size_t*inbytesleft;
432 char **outbuf;
433 size_t*outbytesleft;
434 {
435 	unsigned short code;
436 
437         if (inbuf == NULL || *inbuf == NULL) { /* Reset request. */
438 		st->ibuf_left = 0;
439 		st->istart = 0;
440 		st->iend = 0;
441 		st->flush_obuf = 0;
442                 return (0);
443         }
444 
445 	if (st->flush_obuf) {
446 		**outbuf = st->temp_obuf[0];
447 		(*outbuf)++;
448 		(*outbytesleft)--;
449 		st->flush_obuf = 0;
450 		if (*outbytesleft <= 0) {
451 			return(*inbytesleft);
452 		}
453 	}
454 
455 	while (*inbytesleft > 0 && *outbytesleft > 0) {
456 		if (!is_SI(inbuf, inbytesleft, st))
457 			break;
458 
459 		code = getc_12(inbuf, inbytesleft, st);
460 
461 		if (code&0x8000) {
462 			code = packtocomp(code);
463 			**outbuf = code>>8;
464 			(*outbuf)++, (*outbytesleft)--;
465 			if (*outbytesleft <= 0) {
466 				st->flush_obuf = 1;
467 				st->temp_obuf[0] = code&0xFF;
468 			} else {
469 				**outbuf = code&0xFF;
470 				(*outbuf)++, (*outbytesleft)--;
471 			}
472 		} else {
473 			**outbuf = code&0xFF;
474 			(*outbuf)++, (*outbytesleft)--;
475 		}
476 	}
477         return (*inbytesleft);
478 }
479 
480 int
is_SI(inbuf,inbytesleft,st)481 is_SI(inbuf, inbytesleft, st)
482 char **inbuf;
483 size_t *inbytesleft;
484 struct _cv_state *st;
485 {
486 	size_t i, x;
487 	char *buf;
488 	int SO_found = 0, SI_found = 0;
489 
490 	buf = *inbuf;
491 	for (i = *inbytesleft; i > 0; i--) {
492 	    /* if SO is found */
493 	    if (*buf == 0x0e) {
494 		SO_found = 1;
495 		break;
496 	    } else
497 		buf++;
498 	}
499 
500 	if (SO_found || st->ibuf_left) {
501 	    while (i > 0) {
502 		i--;
503 	        /* if SI is found */
504 	        if (*buf == 0x0f) {
505 		    SI_found = 1;
506 		    break;
507 	        } else
508 		    buf++;
509 	    }
510 	}
511 
512 
513 	/* if input buffer is not complete, i.e., last SI is not there */
514 	/* NEED to check for size of left buffer vs. temp_ibuf[] size */
515 	if ((SO_found && !SI_found) || (st->ibuf_left && !SI_found)) {
516 		st->ibuf_left = 1;
517 		x = *inbytesleft;
518 		for (i = 0; i < x; i++) {
519 			st->temp_ibuf[st->iend] = **inbuf;
520 			st->iend++;
521 			(*inbuf)++;
522 			(*inbytesleft)--;
523 		}
524 		return(0);
525 	}
526 	return(1);
527 }
528 
529 #ifdef TEST
530 
531 /* test case 1 */
532 char ibuf1[] = {0x0e, 0x57, 0x6c, 0x0f, 0x0e, 0x55, 0x67, 0x0f, 0x0e, 0x5a, 0x62, 0x57, 0x0f};
533 char obuf1[20];
534 
535 /* test case 2 */
536 char ibuf2[] = {0x0e, 0x57, 0x6c, 0x0f, 0x0e, 0x55};
537 char ibuf21[] = {0x67, 0x0f, 0x0e, 0x5a, 0x62, 0x57, 0x0f};
538 char obuf2[20];
539 
540 /* test case 3 */
541 char ibuf3[] = {0x0e, 0x57, 0x6c, 0x0f, 0x0e, 0x55, 0x67, 0x0f, 0x0e, 0x5a, 0x62, 0x57, 0x0f};
542 char obuf3[4];
543 
544 /* test case 3+ */
545 char obuf31[5];
546 
main()547 main()
548 {
549         int i;
550         struct _cv_state *st;
551         size_t oleft, ileft;
552         char *ip1 = &ibuf1[0], *op1 = &obuf1[0],
553              *ip2 = &ibuf2[0], *ip21 = &ibuf21[0], *op2 = &obuf2[0],
554              *ip3 = &ibuf3[0], *op3 = &obuf3[0];
555 
556         /****************************** test case 1 *************************/
557         ileft = sizeof(ibuf1);
558         oleft = sizeof(obuf1);
559 
560         st = _cv_open();
561 
562         printf("TEST 1\n INPUT BUFFER: ");
563         for (i = 0; i < ileft ; i++) {
564             printf("%x ", 0xff&ibuf1[i]);
565         }
566         printf("\n");
567         printf("OUTPUT: return value %d ",
568                 _cv_enconv(st, &ip1, &ileft, &op1, &oleft));
569         printf("ileft %d  oleft %d\n", ileft, oleft);
570         printf("        flush_obuf %d  ibuf_left %d\n", st->flush_obuf,
571                                                         st->ibuf_left);
572         printf("OUTPUT BUFFER: ");
573         for (i = 0; i < (sizeof(obuf1) - oleft) ; i++) {
574             printf("%x ", 0xff&obuf1[i]);
575         }
576         printf("\n\n\n");
577         _cv_close(st);
578 
579         /************************ test case 2 ******************************/
580         ileft = sizeof(ibuf2);
581         oleft = sizeof(obuf2);
582 
583         st = _cv_open();
584 
585         printf("TEST 2\nINPUT BUFFER: ");
586         for (i = 0; i < ileft ; i++) {
587             printf("%x ", 0xff&ibuf2[i]);
588         }
589         printf("\n");
590         printf("OUTPUT: return value %d ",
591                 _cv_enconv(st, &ip2, &ileft, &op2, &oleft));
592         printf("ileft %d  oleft %d\n", ileft, oleft);
593         printf("        flush_obuf %d  ibuf_left %d\n", st->flush_obuf,
594                                                         st->ibuf_left);
595         printf("OUTPUT BUFFER: ");
596         for (i = 0; i < (sizeof(obuf2) - oleft) ; i++) {
597             printf("%x ", 0xff&obuf2[i]);
598         }
599         printf("\n\n");
600 
601         ileft = sizeof(ibuf21);
602         oleft = sizeof(obuf2);
603         op2 = &obuf2[0];
604         printf("INPUT BUFFER: ");
605         for (i = 0; i < ileft ; i++) {
606             printf("%x ", 0xff&ibuf21[i]);
607         }
608         printf("\n");
609         printf("OUTPUT: return value %d ",
610                 _cv_enconv(st, &ip21, &ileft, &op2, &oleft));
611         printf("ileft %d  oleft %d\n", ileft, oleft);
612         printf("        flush_obuf %d  ibuf_left %d\n", st->flush_obuf,
613                                                         st->ibuf_left);
614         printf("OUTPUT BUFFER: ");
615         for (i = 0; i < (sizeof(obuf2) - oleft) ; i++) {
616             printf("%x ", 0xff&obuf2[i]);
617         }
618         printf("\n\n\n");
619         _cv_close(st);
620 
621         /************************ test case 3 ******************************/
622         ileft = sizeof(ibuf3);
623         oleft = sizeof(obuf3);
624 
625         st = _cv_open();
626 
627         printf("TEST 3\nINPUT BUFFER: ");
628         for (i = 0; i < ileft ; i++) {
629             printf("%x ", 0xff&ibuf3[i]);
630         }
631         printf("\n");
632         printf("OUTPUT: return value %d ",
633                 _cv_enconv(st, &ip3, &ileft, &op3, &oleft));
634         printf("ileft %d  oleft %d\n", ileft, oleft);
635         printf("        flush_obuf %d  ibuf_left %d\n", st->flush_obuf,
636                                                         st->ibuf_left);
637         printf("        strat_cnt %d   end_cnt %d\n", st->istart,
638                                                         st->iend);
639         printf("OUTPUT BUFFER: ");
640         for (i = 0; i < (sizeof(obuf3) - oleft) ; i++) {
641             printf("%x ", 0xff&obuf3[i]);
642         }
643         printf("\n\n");
644 
645         op3 = &obuf3[0];
646         oleft = sizeof(obuf3);
647         printf("OUTPUT: return value %d ",
648                 _cv_enconv(st, &ip3, &ileft, &op3, &oleft));
649         printf("ileft %d  oleft %d\n", ileft, oleft);
650         printf("        flush_obuf %d  ibuf_left %d\n", st->flush_obuf,
651                                                         st->ibuf_left);
652         printf("        strat_cnt %d   end_cnt %d\n", st->istart,
653                                                         st->iend);
654         printf("OUTPUT BUFFER: ");
655         for (i = 0; i < (sizeof(obuf3) - oleft) ; i++) {
656             printf("%x ", 0xff&obuf3[i]);
657         }
658         printf("\n\n");
659 
660         op3 = &obuf3[0];
661         oleft = sizeof(obuf3);
662         printf("OUTPUT: return value %d ",
663                 _cv_enconv(st, &ip3, &ileft, &op3, &oleft));
664         printf("ileft %d  oleft %d\n", ileft, oleft);
665         printf("        flush_obuf %d  ibuf_left %d\n", st->flush_obuf,
666                                                         st->ibuf_left);
667         printf("        strat_cnt %d   end_cnt %d\n", st->istart,
668                                                         st->iend);
669         printf("OUTPUT BUFFER: ");
670         for (i = 0; i < (sizeof(obuf3) - oleft) ; i++) {
671             printf("%x ", 0xff&obuf3[i]);
672         }
673         printf("\n\n\n");
674         _cv_close(st);
675 
676         /************************ test case 3+ ******************************/
677         ip3 = &ibuf3[0];
678 	op3 = &obuf31[0];
679         ileft = sizeof(ibuf3);
680         oleft = sizeof(obuf31);
681 
682         st = _cv_open();
683 
684         printf("TEST 3+\nINPUT BUFFER: ");
685         for (i = 0; i < ileft ; i++) {
686             printf("%x ", 0xff&ibuf3[i]);
687         }
688         printf("\n");
689         printf("OUTPUT: return value %d ",
690                 _cv_enconv(st, &ip3, &ileft, &op3, &oleft));
691         printf("ileft %d  oleft %d\n", ileft, oleft);
692         printf("        flush_obuf %d  ibuf_left %d\n", st->flush_obuf,
693                                                         st->ibuf_left);
694         printf("        strat_cnt %d   end_cnt %d\n", st->istart,
695                                                         st->iend);
696         printf("OUTPUT BUFFER: ");
697         for (i = 0; i < (sizeof(obuf31) - oleft) ; i++) {
698             printf("%x ", 0xff&obuf31[i]);
699         }
700         printf("\n\n");
701 
702         op3 = &obuf31[0];
703         oleft = sizeof(obuf31);
704         printf("OUTPUT: return value %d ",
705                 _cv_enconv(st, &ip3, &ileft, &op3, &oleft));
706         printf("ileft %d  oleft %d\n", ileft, oleft);
707         printf("        flush_obuf %d  ibuf_left %d\n", st->flush_obuf,
708                                                         st->ibuf_left);
709         printf("        strat_cnt %d   end_cnt %d\n", st->istart,
710                                                         st->iend);
711         printf("OUTPUT BUFFER: ");
712         for (i = 0; i < (sizeof(obuf31) - oleft) ; i++) {
713             printf("%x ", 0xff&obuf31[i]);
714         }
715         printf("\n\n");
716 
717         op3 = &obuf31[0];
718         oleft = sizeof(obuf31);
719         printf("OUTPUT: return value %d ",
720                 _cv_enconv(st, &ip3, &ileft, &op3, &oleft));
721         printf("ileft %d  oleft %d\n", ileft, oleft);
722         printf("        flush_obuf %d  ibuf_left %d\n", st->flush_obuf,
723                                                         st->ibuf_left);
724         printf("        strat_cnt %d   end_cnt %d\n", st->istart,
725                                                         st->iend);
726         printf("OUTPUT BUFFER: ");
727         for (i = 0; i < (sizeof(obuf31) - oleft) ; i++) {
728             printf("%x ", 0xff&obuf31[i]);
729         }
730         printf("\n\n\n");
731         _cv_close(st);
732 }
733 
734 /* expected output
735 
736 TEST 1
737  INPUT BUFFER: e 57 6c f e 55 67 f e 5a 62 57 f
738 OUTPUT: return value 0 ileft 0  oleft 14
739         flush_obuf 0  ibuf_left 0
740 OUTPUT BUFFER: bf c0 bc bc c3 a2
741 
742 
743 TEST 2
744 INPUT BUFFER: e 57 6c f e 55
745 OUTPUT: return value 0 ileft 0  oleft 18
746         flush_obuf 0  ibuf_left 1
747 OUTPUT BUFFER: bf c0
748 
749 INPUT BUFFER: 67 f e 5a 62 57 f
750 OUTPUT: return value 0 ileft 0  oleft 16
751         flush_obuf 0  ibuf_left 0
752 OUTPUT BUFFER: bc bc c3 a2
753 
754 
755 TEST 3
756 INPUT BUFFER: e 57 6c f e 55 67 f e 5a 62 57 f
757 OUTPUT: return value 5 ileft 5  oleft 0
758         flush_obuf 0  ibuf_left 0
759         strat_cnt 0   end_cnt 0
760 OUTPUT BUFFER: bf c0 bc bc
761 
762 OUTPUT: return value 0 ileft 0  oleft 2
763         flush_obuf 0  ibuf_left 0
764         strat_cnt 0   end_cnt 0
765 OUTPUT BUFFER: c3 a2
766 
767 OUTPUT: return value 0 ileft 0  oleft 4
768         flush_obuf 0  ibuf_left 0
769         strat_cnt 0   end_cnt 0
770 OUTPUT BUFFER:
771 
772 
773 TEST 3+
774 INPUT BUFFER: e 57 6c f e 55 67 f e 5a 62 57 f
775 OUTPUT: return value 0 ileft 0  oleft 0
776         flush_obuf 1  ibuf_left 0
777         strat_cnt 0   end_cnt 0
778 OUTPUT BUFFER: bf c0 bc bc c3
779 
780 OUTPUT: return value 0 ileft 0  oleft 4
781         flush_obuf 0  ibuf_left 0
782         strat_cnt 0   end_cnt 0
783 OUTPUT BUFFER: a2
784 
785 OUTPUT: return value 0 ileft 0  oleft 5
786         flush_obuf 0  ibuf_left 0
787         strat_cnt 0   end_cnt 0
788 OUTPUT BUFFER:
789 
790 */
791 
792 #endif /* TEST */
793