aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/lib/X11/imLcIm.c
blob: 95d81f6ee86ce086c923aafa95325b9b60835a73 (plain)
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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
/******************************************************************

          Copyright 1992, 1993, 1994 by FUJITSU LIMITED
          Copyright 1993 by Digital Equipment Corporation

Permission to use, copy, modify, distribute, and sell this software
and its documentation for any purpose is hereby granted without fee,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of FUJITSU LIMITED and
Digital Equipment Corporation not be used in advertising or publicity
pertaining to distribution of the software without specific, written
prior permission.  FUJITSU LIMITED and Digital Equipment Corporation
makes no representations about the suitability of this software for
any purpose.  It is provided "as is" without express or implied
warranty.

FUJITSU LIMITED AND DIGITAL EQUIPMENT CORPORATION DISCLAIM ALL
WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
FUJITSU LIMITED AND DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR
ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
THIS SOFTWARE.

  Author:    Takashi Fujiwara     FUJITSU LIMITED
                               	  fujiwara@a80.tech.yk.fujitsu.co.jp
  Modifier:  Franky Ling          Digital Equipment Corporation
	                          frankyling@hgrd01.enet.dec.com

******************************************************************/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>

#include <nx-X11/Xmd.h>
#include <nx-X11/Xatom.h>
#include <nx-X11/Xos.h>
#include "Xlibint.h"
#include "Xlcint.h"
#include "XlcPublic.h"
#include "XlcPubI.h"
#include "Ximint.h"
#include <ctype.h>
#include <assert.h>

#ifdef COMPOSECACHE
#  include <sys/types.h>
#  include <sys/stat.h>
#  include <sys/mman.h>
#  include <langinfo.h>
#endif


#ifdef COMPOSECACHE

/* include trailing '/' for cache directory, file prefix otherwise */
#define XIM_GLOBAL_CACHE_DIR "/var/cache/libx11/compose/"
#define XIM_HOME_CACHE_DIR   "/.compose-cache/"
#define XIM_CACHE_MAGIC      ('X' | 'i'<<8 | 'm'<<16 | 'C'<<24)
#define XIM_CACHE_VERSION    4
#define XIM_CACHE_TREE_ALIGNMENT 4

#define XIM_HASH_PRIME_1 13
#define XIM_HASH_PRIME_2 1234096939

typedef INT32 DTStructIndex;
struct _XimCacheStruct {
    INT32           id;
    INT32           version;
    DTStructIndex   tree;
    DTStructIndex   mb;
    DTStructIndex   wc;
    DTStructIndex   utf8;
    DTStructIndex   size;
    DTIndex         top;
    DTIndex         treeused;
    DTCharIndex     mbused;
    DTCharIndex     wcused;
    DTCharIndex     utf8used;
    char            fname[1];
    /* char encoding[1] */
};

static struct  _XimCacheStruct* _XimCache_mmap = NULL;
static DefTreeBase _XimCachedDefaultTreeBase;
static int     _XimCachedDefaultTreeRefcount = 0;

#endif


Bool
_XimCheckIfLocalProcessing(Xim im)
{
    FILE        *fp;
    char        *name;

    if(strcmp(im->core.im_name, "") == 0) {
	name = _XlcFileName(im->core.lcd, COMPOSE_FILE);
	if (name != (char *)NULL) {
	    fp = _XFopenFile (name, "r");
	    Xfree(name);
	    if (fp != (FILE *)NULL) {
		fclose(fp);
		return(True);
	    }
	}
	return(False);
    } else if(strcmp(im->core.im_name, "local") == 0 ||
	      strcmp(im->core.im_name, "none" ) == 0 ) {
	return(True);
    }
    return(False);
}

static void
XimFreeDefaultTree(
    DefTreeBase *b)
{
    if (!b) return;
    if (b->tree == NULL) return;
#ifdef COMPOSECACHE
    if (b->tree == _XimCachedDefaultTreeBase.tree) {
        _XimCachedDefaultTreeRefcount--;
        /* No deleting, it's a cache after all. */
        return;
    }
#endif
    Xfree (b->tree);
    b->tree = NULL;
    Xfree (b->mb);
    b->mb   = NULL;
    Xfree (b->wc);
    b->wc   = NULL;
    Xfree (b->utf8);
    b->utf8 = NULL;

    b->treeused = b->treesize = 0;
    b->mbused   = b->mbsize   = 0;
    b->wcused   = b->wcsize   = 0;
    b->utf8used = b->utf8size = 0;
}

void
_XimLocalIMFree(
    Xim		im)
{
    XimFreeDefaultTree(&im->private.local.base);
    im->private.local.top = 0;

    Xfree(im->core.im_resources);
    im->core.im_resources = NULL;

    Xfree(im->core.ic_resources);
    im->core.ic_resources = NULL;

    Xfree(im->core.im_values_list);
    im->core.im_values_list = NULL;

    Xfree(im->core.ic_values_list);
    im->core.ic_values_list = NULL;

    Xfree(im->core.styles);
    im->core.styles = NULL;

    Xfree(im->core.res_name);
    im->core.res_name = NULL;

    Xfree(im->core.res_class);
    im->core.res_class = NULL;

    Xfree(im->core.im_name);
    im->core.im_name = NULL;

    if (im->private.local.ctom_conv) {
	_XlcCloseConverter(im->private.local.ctom_conv);
        im->private.local.ctom_conv = NULL;
    }
    if (im->private.local.ctow_conv) {
	_XlcCloseConverter(im->private.local.ctow_conv);
	im->private.local.ctow_conv = NULL;
    }
    if (im->private.local.ctoutf8_conv) {
	_XlcCloseConverter(im->private.local.ctoutf8_conv);
	im->private.local.ctoutf8_conv = NULL;
    }
    if (im->private.local.cstomb_conv) {
	_XlcCloseConverter(im->private.local.cstomb_conv);
        im->private.local.cstomb_conv = NULL;
    }
    if (im->private.local.cstowc_conv) {
	_XlcCloseConverter(im->private.local.cstowc_conv);
	im->private.local.cstowc_conv = NULL;
    }
    if (im->private.local.cstoutf8_conv) {
	_XlcCloseConverter(im->private.local.cstoutf8_conv);
	im->private.local.cstoutf8_conv = NULL;
    }
    if (im->private.local.ucstoc_conv) {
	_XlcCloseConverter(im->private.local.ucstoc_conv);
	im->private.local.ucstoc_conv = NULL;
    }
    if (im->private.local.ucstoutf8_conv) {
	_XlcCloseConverter(im->private.local.ucstoutf8_conv);
	im->private.local.ucstoutf8_conv = NULL;
    }
    return;
}

static Status
_XimLocalCloseIM(
    XIM		xim)
{
    Xim		im = (Xim)xim;
    XIC		ic;
    XIC		next;

    ic = im->core.ic_chain;
    im->core.ic_chain = NULL;
    while (ic) {
	(*ic->methods->destroy) (ic);
	next = ic->core.next;
	Xfree (ic);
	ic = next;
    }
    _XimLocalIMFree(im);
    _XimDestroyIMStructureList(im);
    return(True);
}

char *
_XimLocalGetIMValues(
    XIM			 xim,
    XIMArg		*values)
{
    Xim			 im = (Xim)xim;
    XimDefIMValues	 im_values;

    _XimGetCurrentIMValues(im, &im_values);
    return(_XimGetIMValueData(im, (XPointer)&im_values, values,
			im->core.im_resources, im->core.im_num_resources));
}

char *
_XimLocalSetIMValues(
    XIM			 xim,
    XIMArg		*values)
{
    Xim			 im = (Xim)xim;
    XimDefIMValues	 im_values;
    char		*name = (char *)NULL;

    _XimGetCurrentIMValues(im, &im_values);
    name = _XimSetIMValueData(im, (XPointer)&im_values, values,
		im->core.im_resources, im->core.im_num_resources);
    _XimSetCurrentIMValues(im, &im_values);
    return(name);
}


#ifdef COMPOSECACHE

static Bool
_XimReadCachedDefaultTree(
    int          fd_cache,
    const char  *name,
    const char  *encoding,
    DTStructIndex size)
{
    struct _XimCacheStruct* m;
    int namelen = strlen (name) + 1;
    int encodinglen = strlen (encoding) + 1;

    m = mmap (NULL, size, PROT_READ, MAP_PRIVATE, fd_cache, 0);
    if (m == NULL || m == MAP_FAILED)
        return False;
    assert (m->id == XIM_CACHE_MAGIC);
    assert (m->version == XIM_CACHE_VERSION);
    if (size != m->size ||
	size < XOffsetOf (struct _XimCacheStruct, fname) + namelen + encodinglen) {
	fprintf (stderr, "Ignoring broken XimCache %s [%s]\n", name, encoding);
        munmap (m, size);
        return False;
    }
    if (strncmp (name, m->fname, namelen) != 0) {
	/* m->fname may *not* be terminated - but who cares here */
	fprintf (stderr, "Filename hash clash - expected %s, got %s\n",
		 name, m->fname);
        munmap (m, size);
        return False;
    }
    if (strncmp (encoding, m->fname + namelen, encodinglen) != 0) {
	/* m->fname+namelen may *not* be terminated - but who cares here */
	fprintf (stderr, "Enoding hash clash - expected %s, got %s\n",
		 encoding, m->fname + namelen);
        munmap (m, size);
        return False;
    }
    _XimCache_mmap    = m;
    _XimCachedDefaultTreeBase.tree = (DefTree *) (((char *) m) + m->tree);
    _XimCachedDefaultTreeBase.mb   =             (((char *) m) + m->mb);
    _XimCachedDefaultTreeBase.wc   = (wchar_t *) (((char *) m) + m->wc);
    _XimCachedDefaultTreeBase.utf8 =             (((char *) m) + m->utf8);
    _XimCachedDefaultTreeBase.treeused = m->treeused;
    _XimCachedDefaultTreeBase.mbused   = m->mbused;
    _XimCachedDefaultTreeBase.wcused   = m->wcused;
    _XimCachedDefaultTreeBase.utf8used = m->utf8used;
    /* treesize etc. is ignored because only used during parsing */
    _XimCachedDefaultTreeRefcount = 0;
/* fprintf (stderr, "read cached tree at %p: %s\n", (void *) m, name); */
    return True;
}

static unsigned int strToHash (
    const char *name)
{
    unsigned int hash = 0;
    while (*name)
	hash = hash * XIM_HASH_PRIME_1 + *(unsigned const char *)name++;
    return hash % XIM_HASH_PRIME_2;
}


/* Returns read-only fd of cache file, -1 if none.
 * Sets *res to cache filename if safe. Sets *size to file size of cache. */
static int _XimCachedFileName (
    const char *dir, const char *name,
    const char *intname, const char *encoding,
    uid_t uid, int isglobal, char **res, off_t *size)
{
    struct stat st_name, st;
    int    fd;
    unsigned int len, hash, hash2;
    struct _XimCacheStruct *m;
    /* There are some races here with 'dir', but we are either in our own home
     * or the global cache dir, and not inside some public writable dir */
/* fprintf (stderr, "XimCachedFileName for dir %s name %s intname %s encoding %s uid %d\n", dir, name, intname, encoding, uid); */
    if (stat (name, &st_name) == -1 || ! S_ISREG (st_name.st_mode)
       || stat (dir, &st) == -1 || ! S_ISDIR (st.st_mode) || st.st_uid != uid
       || (st.st_mode & 0022) != 0000) {
       *res = NULL;
       return -1;
    }
    len   = strlen (dir);
    hash  = strToHash (intname);
    hash2 = strToHash (encoding);
    *res  = Xmalloc (len + 1 + 27 + 1);  /* Max VERSION 9999 */

    if (len == 0 || dir [len-1] != '/')
       sprintf (*res, "%s/%c%d_%03x_%08x_%08x", dir, _XimGetMyEndian(),
		XIM_CACHE_VERSION, (unsigned int)sizeof (DefTree), hash, hash2);
    else
       sprintf (*res, "%s%c%d_%03x_%08x_%08x", dir, _XimGetMyEndian(),
		XIM_CACHE_VERSION, (unsigned int)sizeof (DefTree), hash, hash2);

/* fprintf (stderr, "-> %s\n", *res); */
    if ( (fd = _XOpenFile (*res, O_RDONLY)) == -1)
       return -1;

    if (fstat (fd, &st) == -1) {
       Xfree (*res);
       *res = NULL;
       close (fd);
       return -1;
    }
    *size = st.st_size;

    if (! S_ISREG (st.st_mode) || st.st_uid != uid
       || (st.st_mode & 0022) != 0000 || st.st_mtime <= st_name.st_mtime
       || (st.st_mtime < time (NULL) - 24*60*60 && ! isglobal)) {

       close (fd);
       if (unlink (*res) != 0) {
           Xfree (*res);
           *res = NULL;                /* cache is not safe */
       }
       return -1;
    }

    m = mmap (NULL, sizeof (struct _XimCacheStruct), PROT_READ, MAP_PRIVATE,
	      fd, 0);
    if (m == NULL || m == MAP_FAILED) {
	close (fd);
	Xfree (*res);
	*res = NULL;
        return -1;
    }
    if (*size < sizeof (struct _XimCacheStruct) || m->id != XIM_CACHE_MAGIC) {
	munmap (m, sizeof (struct _XimCacheStruct));
	close (fd);
	fprintf (stderr, "Ignoring broken XimCache %s\n", *res);
	Xfree (*res);
	*res = NULL;
        return -1;
    }
    if (m->version != XIM_CACHE_VERSION) {
	munmap (m, sizeof (struct _XimCacheStruct));
	close (fd);
	if (unlink (*res) != 0) {
	    Xfree (*res);
	    *res = NULL;                /* cache is not safe */
	}
	return -1;
    }
    munmap (m, sizeof (struct _XimCacheStruct));

    return fd;
}


static Bool _XimLoadCache (
    int         fd,
    const char *name,
    const char *encoding,
    off_t       size,
    Xim         im)
{
    if (_XimCache_mmap ||
       _XimReadCachedDefaultTree (fd, name, encoding, size)) {
       _XimCachedDefaultTreeRefcount++;
       memcpy (&im->private.local.base, &_XimCachedDefaultTreeBase,
	       sizeof (_XimCachedDefaultTreeBase));
       im->private.local.top = _XimCache_mmap->top;
       return True;
    }

    return False;
}


static void
_XimWriteCachedDefaultTree(
    const char *name,
    const char *encoding,
    const char *cachename,
    Xim                im)
{
    int   fd;
    FILE *fp;
    struct _XimCacheStruct *m;
    int   msize = (XOffsetOf(struct _XimCacheStruct, fname)
		   + strlen(name) + strlen(encoding) + 2
		   + XIM_CACHE_TREE_ALIGNMENT-1) & -XIM_CACHE_TREE_ALIGNMENT;
    DefTreeBase *b = &im->private.local.base;

    if (! b->tree && ! (b->tree = Xmalloc (sizeof(DefTree))) )
	return;
    if (! b->mb   && ! (b->mb   = Xmalloc (1)) )
	return;
    if (! b->wc   && ! (b->wc   = Xmalloc (sizeof(wchar_t))) )
	return;
    if (! b->utf8 && ! (b->utf8 = Xmalloc (1)) )
	return;

    /* First entry is always unused */
    memset (b->tree, 0, sizeof(DefTree));
    b->mb[0]   = 0;
    b->wc[0]   = 0;
    b->utf8[0] = 0;

    m = Xmalloc (msize);
    memset (m, 0, msize);
    m->id       = XIM_CACHE_MAGIC;
    m->version  = XIM_CACHE_VERSION;
    m->top      = im->private.local.top;
    m->treeused = b->treeused;
    m->mbused   = b->mbused;
    m->wcused   = b->wcused;
    m->utf8used = b->utf8used;
    /* Tree first, then wide chars, then the rest due to alignment */
    m->tree     = msize;
    m->wc       = msize   + sizeof (DefTree) * m->treeused;
    m->mb       = m->wc   + sizeof (wchar_t) * m->wcused;
    m->utf8     = m->mb   +                    m->mbused;
    m->size     = m->utf8 +                    m->utf8used;
    strcpy (m->fname, name);
    strcpy (m->fname+strlen(name)+1, encoding);

    /* This STILL might be racy on NFS */
    if ( (fd = _XOpenFileMode (cachename, O_WRONLY | O_CREAT | O_EXCL,
			       0600)) < 0) {
       Xfree(m);
       return;
    }
    if (! (fp = fdopen (fd, "wb")) ) {
       close (fd);
       Xfree(m);
       return;
    }
    fwrite (m, msize, 1, fp);
    fwrite (im->private.local.base.tree, sizeof(DefTree), m->treeused, fp);
    fwrite (im->private.local.base.wc,   sizeof(wchar_t), m->wcused,   fp);
    fwrite (im->private.local.base.mb,   1,               m->mbused,   fp);
    fwrite (im->private.local.base.utf8, 1,               m->utf8used, fp);
    if (fclose (fp) != 0)
	unlink (cachename);
    _XimCache_mmap = m;
    memcpy (&_XimCachedDefaultTreeBase, &im->private.local.base,
	    sizeof (_XimCachedDefaultTreeBase));
/* fprintf (stderr, "wrote tree %s size %ld to %s\n", name, m->size, cachename); */
}

#endif


static void
_XimCreateDefaultTree(
    Xim		im)
{
    FILE *fp = NULL;
    char *name, *tmpname = NULL, *intname;
    char *cachename = NULL;
    /* Should use getpwent() instead of $HOME (cross-platform?) */
    char *home = getenv("HOME");
    char *cachedir = NULL;
    char *tmpcachedir = NULL;
    int   hl = home ? strlen (home) : 0;
#ifdef COMPOSECACHE
    const char *encoding = nl_langinfo (CODESET);
    uid_t euid = geteuid ();
    gid_t egid = getegid ();
    int   cachefd = -1;
    off_t size;
#endif

    name = getenv("XCOMPOSEFILE");
    if (name == (char *) NULL) {
    	if (home != (char *) NULL) {
            tmpname = name = Xmalloc(hl + 10 + 1);
            if (name != (char *) NULL) {
		int fd;
            	strcpy(name, home);
            	strcpy(name + hl, "/.XCompose");
		if ( (fd = _XOpenFile (name, O_RDONLY)) < 0) {
		    Xfree (name);
		    name = tmpname = NULL;
		} else
		    close (fd);
            }
        }
    }

    if (name == (char *) NULL) {
        tmpname = name = _XlcFileName(im->core.lcd, COMPOSE_FILE);
    }
    intname = name;

#ifdef COMPOSECACHE
    if (getuid () == euid && getgid () == egid && euid != 0) {
	char *c;
	/* Usage: XCOMPOSECACHE=<cachedir>[=<filename>]
	 * cachedir: directory of cache files
	 * filename: internally used name for cache file */
        cachedir = getenv("XCOMPOSECACHE");
	if (cachedir && (c = strchr (cachedir, '='))) {
	    tmpcachedir = strdup (cachedir);
	    intname = tmpcachedir + (c-cachedir) + 1;
	    tmpcachedir[c-cachedir] = '\0';
	    cachedir = tmpcachedir;
	}
    }

    if (! cachedir) {
	cachefd = _XimCachedFileName (XIM_GLOBAL_CACHE_DIR, name, intname,
				      encoding, 0, 1, &cachename, &size);
	if (cachefd != -1) {
	    if (_XimLoadCache (cachefd, intname, encoding, size, im)) {
	        Xfree (tmpcachedir);
		Xfree (tmpname);
		Xfree (cachename);
		close (cachefd);
		return;
	    }
	    close (cachefd);
	}
	Xfree (cachename);
	cachename = NULL;
    }

    if (getuid () == euid && getgid () == egid && euid != 0 && home) {

	if (! cachedir) {
	    tmpcachedir = cachedir = Xmalloc (hl+strlen(XIM_HOME_CACHE_DIR)+1);
	    strcpy (cachedir, home);
	    strcat (cachedir, XIM_HOME_CACHE_DIR);
	}
	cachefd = _XimCachedFileName (cachedir, name, intname, encoding,
				      euid, 0, &cachename, &size);
	if (cachefd != -1) {
	    if (_XimLoadCache (cachefd, intname, encoding, size, im)) {
	        Xfree (tmpcachedir);
		Xfree (tmpname);
		Xfree (cachename);
		close (cachefd);
		return;
	    }
	    close (cachefd);
	}
    }
#endif

    if (! (fp = _XFopenFile (name, "r"))) {
	Xfree (tmpcachedir);
	Xfree (tmpname);
	Xfree (cachename);
        return;
    }
    _XimParseStringFile(fp, im);
    fclose(fp);

#ifdef COMPOSECACHE
    if (cachename) {
	assert (euid != 0);
	_XimWriteCachedDefaultTree (intname, encoding, cachename, im);
    }
#endif

    Xfree (tmpcachedir);
    Xfree (tmpname);
    Xfree (cachename);
}

static XIMMethodsRec      Xim_im_local_methods = {
    _XimLocalCloseIM,           /* close */
    _XimLocalSetIMValues,       /* set_values */
    _XimLocalGetIMValues,       /* get_values */
    _XimLocalCreateIC,          /* create_ic */
    _XimLcctstombs,		/* ctstombs */
    _XimLcctstowcs,		/* ctstowcs */
    _XimLcctstoutf8		/* ctstoutf8 */
};

Bool
_XimLocalOpenIM(
    Xim			 im)
{
    XLCd		 lcd = im->core.lcd;
    XlcConv		 conv;
    XimDefIMValues	 im_values;
    XimLocalPrivateRec*  private = &im->private.local;

    _XimInitialResourceInfo();
    if(_XimSetIMResourceList(&im->core.im_resources,
		 		&im->core.im_num_resources) == False) {
	goto Open_Error;
    }
    if(_XimSetICResourceList(&im->core.ic_resources,
				&im->core.ic_num_resources) == False) {
	goto Open_Error;
    }

    _XimSetIMMode(im->core.im_resources, im->core.im_num_resources);

    _XimGetCurrentIMValues(im, &im_values);
    if(_XimSetLocalIMDefaults(im, (XPointer)&im_values,
		im->core.im_resources, im->core.im_num_resources) == False) {
	goto Open_Error;
    }
    _XimSetCurrentIMValues(im, &im_values);

    if (!(conv = _XlcOpenConverter(lcd,	XlcNCompoundText, lcd, XlcNMultiByte)))
	goto Open_Error;
    private->ctom_conv = conv;

    if (!(conv = _XlcOpenConverter(lcd,	XlcNCompoundText, lcd, XlcNWideChar)))
	goto Open_Error;
    private->ctow_conv = conv;

    if (!(conv = _XlcOpenConverter(lcd,	XlcNCompoundText, lcd, XlcNUtf8String)))
	goto Open_Error;
    private->ctoutf8_conv = conv;

    if (!(conv = _XlcOpenConverter(lcd,	XlcNCharSet, lcd, XlcNMultiByte)))
	goto Open_Error;
    private->cstomb_conv = conv;

    if (!(conv = _XlcOpenConverter(lcd,	XlcNCharSet, lcd, XlcNWideChar)))
	goto Open_Error;
    private->cstowc_conv = conv;

    if (!(conv = _XlcOpenConverter(lcd,	XlcNCharSet, lcd, XlcNUtf8String)))
	goto Open_Error;
    private->cstoutf8_conv = conv;

    if (!(conv = _XlcOpenConverter(lcd,	XlcNUcsChar, lcd, XlcNChar)))
	goto Open_Error;
    private->ucstoc_conv = conv;

    if (!(conv = _XlcOpenConverter(lcd,	XlcNUcsChar, lcd, XlcNUtf8String)))
	goto Open_Error;
    private->ucstoutf8_conv = conv;

    private->base.treeused = 1;
    private->base.mbused   = 1;
    private->base.wcused   = 1;
    private->base.utf8used = 1;

    _XimCreateDefaultTree(im);

    im->methods = &Xim_im_local_methods;
    private->current_ic = (XIC)NULL;

    return(True);

Open_Error :
    _XimLocalIMFree(im);
    return(False);
}