summaryrefslogtreecommitdiff
path: root/src/util/fontxlfd.c
blob: 141a564c6745a15d21bb72da26f500183cf6fde2 (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
/*

Copyright 1990, 1998  The Open Group

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.

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall
not be used in advertising or otherwise to promote the sale, use or
other dealings in this Software without prior written authorization
from The Open Group.

*/

/*
 * Author:  Keith Packard, MIT X Consortium
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "libxfontint.h"
#include	<X11/fonts/fontmisc.h>
#include	<X11/fonts/fontstruct.h>
#include	<X11/fonts/fontxlfd.h>
#include	<X11/fonts/fontutil.h>
#include	<X11/fonts/fntfilst.h> /* for MAXFONTNAMELEN */
#include	<X11/Xos.h>
#include	<math.h>
#include	<stdlib.h>
#if defined(sony) && !defined(SYSTYPE_SYSV) && !defined(_SYSTYPE_SYSV)
#define NO_LOCALE
#endif
#ifndef NO_LOCALE
#include	<locale.h>
#endif
#include	<ctype.h>
#include	<stdio.h>	/* for sprintf() */
#include	"src/util/replace.h"

static char *
GetInt(char *ptr, int *val)
{
    if (*ptr == '*') {
	*val = -1;
	ptr++;
    } else
	for (*val = 0; *ptr >= '0' && *ptr <= '9';)
	    *val = *val * 10 + *ptr++ - '0';
    if (*ptr == '-')
	return ptr;
    return (char *) 0;
}

#define minchar(p) ((p).min_char_low + ((p).min_char_high << 8))
#define maxchar(p) ((p).max_char_low + ((p).max_char_high << 8))


#ifndef NO_LOCALE
static struct lconv *locale = 0;
#endif
static const char *radix = ".", *plus = "+", *minus = "-";

static char *
readreal(char *ptr, double *result)
{
    char buffer[80], *p1, *p2;

#ifndef NO_LOCALE
    /* Figure out what symbols apply in this locale */

    if (!locale)
    {
	locale = localeconv();
	if (locale->decimal_point && *locale->decimal_point)
	    radix = locale->decimal_point;
	if (locale->positive_sign && *locale->positive_sign)
	    plus = locale->positive_sign;
	if (locale->negative_sign && *locale->negative_sign)
	    minus = locale->negative_sign;
    }
#endif
    /* Copy the first 80 chars of ptr into our local buffer, changing
       symbols as needed. */
    for (p1 = ptr, p2 = buffer;
	 *p1 && (p2 - buffer) < sizeof(buffer) - 1;
	 p1++, p2++)
    {
	switch(*p1)
	{
	    case '~': *p2 = *minus; break;
	    case '+': *p2 = *plus; break;
	    case '.': *p2 = *radix; break;
	    default: *p2 = *p1;
	}
    }
    *p2 = 0;

    /* Now we have something that strtod() can interpret... do it. */
    *result = strtod(buffer, &p1);
    /* Return NULL if failure, pointer past number if success */
    return (p1 == buffer) ? (char *)0 : (ptr + (p1 - buffer));
}

#define XLFD_DOUBLE_TO_TEXT_BUF_SIZE 80

static char *
xlfd_double_to_text(double value, char *buffer, int space_required)
{
    register char *p1;
    int ndigits, exponent;
    const size_t buflen = XLFD_DOUBLE_TO_TEXT_BUF_SIZE;

#ifndef NO_LOCALE
    if (!locale)
    {
	locale = localeconv();
	if (locale->decimal_point && *locale->decimal_point)
	    radix = locale->decimal_point;
	if (locale->positive_sign && *locale->positive_sign)
	    plus = locale->positive_sign;
	if (locale->negative_sign && *locale->negative_sign)
	    minus = locale->negative_sign;
    }
#endif

    if (space_required)
	*buffer++ = ' ';

    /* Render the number using printf's idea of formatting */
    snprintf(buffer, buflen, "%.*le", XLFD_NDIGITS, value);

    /* Find and read the exponent value */
    for (p1 = buffer + strlen(buffer);
	*p1-- != 'e' && p1[1] != 'E';);
    exponent = atoi(p1 + 2);
    if (value == 0.0) exponent = 0;

    /* Figure out how many digits are significant */
    while (p1 >= buffer && (!isdigit((unsigned char)*p1) || *p1 == '0')) p1--;
    ndigits = 0;
    while (p1 >= buffer) if (isdigit((unsigned char)*p1--)) ndigits++;

    /* Figure out notation to use */
    if (exponent >= XLFD_NDIGITS || ndigits - exponent > XLFD_NDIGITS + 1)
    {
	/* Scientific */
	snprintf(buffer, buflen, "%.*le", ndigits - 1, value);
    }
    else
    {
	/* Fixed */
	ndigits -= exponent + 1;
	if (ndigits < 0) ndigits = 0;
	snprintf(buffer, buflen, "%.*lf", ndigits, value);
	if (exponent < 0)
	{
	    p1 = buffer;
	    while (*p1 && *p1 != '0') p1++;
	    while (*p1++) p1[-1] = *p1;
	}
    }

    /* Last step, convert the locale-specific sign and radix characters
       to our own. */
    for (p1 = buffer; *p1; p1++)
    {
	if (*p1 == *minus) *p1 = '~';
	else if (*p1 == *plus) *p1 = '+';
	else if (*p1 == *radix) *p1 = '.';
    }

    return buffer - space_required;
}

double
xlfd_round_double(double x)
{
   /* Utility for XLFD users to round numbers to XLFD_NDIGITS
      significant digits.  How do you round to n significant digits on
      a binary machine?  */

#if defined(i386) || defined(__i386__) || \
    defined(ia64) || defined(__ia64__) || \
    defined(__alpha__) || defined(__alpha) || \
    defined(__hppa__) || \
    defined(__amd64__) || defined(__amd64) || \
    defined(sgi)
#include <float.h>

/* if we have IEEE 754 fp, we can round to binary digits... */

#if (FLT_RADIX == 2) && (DBL_DIG == 15) && (DBL_MANT_DIG == 53)

#ifndef M_LN2
#define M_LN2       0.69314718055994530942
#endif
#ifndef M_LN10
#define M_LN10      2.30258509299404568402
#endif

/* convert # of decimal digits to # of binary digits */
#define XLFD_NDIGITS_2 ((int)(XLFD_NDIGITS * M_LN10 / M_LN2 + 0.5))

   union conv_d {
      double d;
      unsigned char b[8];
   } d;
   int i,j,k,d_exp;

   if (x == 0)
      return x;

   /* do minor sanity check for IEEE 754 fp and correct byte order */
   d.d = 1.0;
   if (sizeof(double) == 8 && d.b[7] == 0x3f && d.b[6] == 0xf0) {

      /*
       * this code will round IEEE 754 double to XLFD_NDIGITS_2 binary digits
       */

      d.d = x;
      d_exp = (d.b[7] << 4) | (d.b[6] >> 4);

      i = (DBL_MANT_DIG-XLFD_NDIGITS_2) >> 3;
      j = 1 << ((DBL_MANT_DIG-XLFD_NDIGITS_2) & 0x07);
      for (; i<7; i++) {
	 k = d.b[i] + j;
	 d.b[i] = k;
	 if (k & 0x100) j = 1;
	 else break;
      }
      if ((i==7) && ((d.b[6] & 0xf0) != ((d_exp<<4) & 0xf0))) {
	 /* mantissa overflow: increment exponent */
	 d_exp = (d_exp & 0x800 ) | ((d_exp & 0x7ff) + 1);
	 d.b[7] = d_exp >> 4;
	 d.b[6] = (d.b[6] & 0x0f) | (d_exp << 4);
      }

      i = (DBL_MANT_DIG-XLFD_NDIGITS_2) >> 3;
      j = 1 << ((DBL_MANT_DIG-XLFD_NDIGITS_2) & 0x07);
      d.b[i] &= ~(j-1);
      for (;--i>=0;) d.b[i] = 0;

      return d.d;
   }
   else
#endif
#endif /* i386 || __i386__ */
    {
	/*
	 * If not IEEE 754:  Let printf() do it for you.
	 */

	char buffer[40];

	snprintf(buffer, sizeof(buffer), "%.*lg", XLFD_NDIGITS, x);
	return atof(buffer);
    }
}

static char *
GetMatrix(char *ptr, FontScalablePtr vals, int which)
{
    double *matrix;

    if (which == PIXELSIZE_MASK)
	matrix = vals->pixel_matrix;
    else if (which == POINTSIZE_MASK)
	matrix = vals->point_matrix;
    else return (char *)0;

    while (isspace((unsigned char)*ptr)) ptr++;
    if (*ptr == '[')
    {
	/* This is a matrix containing real numbers.  It would be nice
	   to use strtod() or sscanf() to read the numbers, but those
	   don't handle '~' for minus and we cannot force them to use a
	   "."  for the radix.  We'll have to do the hard work ourselves
	   (in readreal()).  */

	if ((ptr = readreal(++ptr, matrix + 0)) &&
	    (ptr = readreal(ptr, matrix + 1)) &&
	    (ptr = readreal(ptr, matrix + 2)) &&
	    (ptr = readreal(ptr, matrix + 3)))
	{
	    while (isspace((unsigned char)*ptr)) ptr++;
	    if (*ptr != ']')
		ptr = (char *)0;
	    else
	    {
		ptr++;
		while (isspace((unsigned char)*ptr)) ptr++;
		if (*ptr == '-')
		{
		    if (which == POINTSIZE_MASK)
			vals->values_supplied |= POINTSIZE_ARRAY;
		    else
			vals->values_supplied |= PIXELSIZE_ARRAY;
		}
		else ptr = (char *)0;
	    }
	}
    }
    else
    {
	int value;
	if ((ptr = GetInt(ptr, &value)))
	{
	    vals->values_supplied &= ~which;
	    if (value > 0)
	    {
		matrix[3] = (double)value;
		if (which == POINTSIZE_MASK)
		{
		    matrix[3] /= 10.0;
		    vals->values_supplied |= POINTSIZE_SCALAR;
		}
		else
		    vals->values_supplied |= PIXELSIZE_SCALAR;
		/* If we're concocting the pixelsize array from a scalar,
		   we will need to normalize element 0 for the pixel shape.
		   This is done in FontFileCompleteXLFD(). */
		matrix[0] = matrix[3];
		matrix[1] = matrix[2] = 0.0;
	    }
	    else if (value < 0)
	    {
		if (which == POINTSIZE_MASK)
		    vals->values_supplied |= POINTSIZE_WILDCARD;
		else
		    vals->values_supplied |= PIXELSIZE_WILDCARD;
	    }
	}
    }
    return ptr;
}


static void
append_ranges(char *fname, size_t fnamelen, int nranges, fsRange *ranges)
{
    if (nranges)
    {
        int i;

        strlcat(fname, "[", fnamelen);
        for (i = 0; i < nranges && strlen(fname) < 1010; i++)
        {
	    size_t curlen;
	    if (i) strlcat(fname, " ", fnamelen);
	    curlen = strlen(fname);
	    snprintf(fname + curlen, fnamelen - curlen, "%d",
		     minchar(ranges[i]));
	    if (ranges[i].min_char_low ==
		ranges[i].max_char_low &&
		ranges[i].min_char_high ==
		ranges[i].max_char_high) continue;
	    snprintf(fname + curlen, fnamelen - curlen, "_%d",
		     maxchar(ranges[i]));
        }
        strlcat(fname, "]", fnamelen);
    }
}

Bool
FontParseXLFDName(char *fname, FontScalablePtr vals, int subst)
{
    register char *ptr;
    register char *ptr1,
               *ptr2,
               *ptr3,
               *ptr4;
    register char *ptr5;
    FontScalableRec tmpvals;
    char        replaceChar = '0';
    char        tmpBuf[1024];
    size_t      tlen;
    size_t      fnamelen = MAXFONTNAMELEN; /* assumed for now */
    int         spacingLen;
    int		l;
    char	*p;

    bzero(&tmpvals, sizeof(tmpvals));
    if (subst != FONT_XLFD_REPLACE_VALUE)
	*vals = tmpvals;

    if (!(*(ptr = fname) == '-' || (*ptr++ == '*' && *ptr == '-')) ||  /* fndry */
	    !(ptr = strchr(ptr + 1, '-')) ||	/* family_name */
	    !(ptr1 = ptr = strchr(ptr + 1, '-')) ||	/* weight_name */
	    !(ptr = strchr(ptr + 1, '-')) ||	/* slant */
	    !(ptr = strchr(ptr + 1, '-')) ||	/* setwidth_name */
	    !(ptr = strchr(ptr + 1, '-')) ||	/* add_style_name */
	    !(ptr = strchr(ptr + 1, '-')) ||	/* pixel_size */
	    !(ptr = GetMatrix(ptr + 1, &tmpvals, PIXELSIZE_MASK)) ||
	    !(ptr2 = ptr = GetMatrix(ptr + 1, &tmpvals, POINTSIZE_MASK)) ||
	    !(ptr = GetInt(ptr + 1, &tmpvals.x)) ||	/* resolution_x */
	    !(ptr3 = ptr = GetInt(ptr + 1, &tmpvals.y)) ||  /* resolution_y */
	    !(ptr4 = ptr = strchr(ptr + 1, '-')) ||	/* spacing */
	    !(ptr5 = ptr = GetInt(ptr + 1, &tmpvals.width)) || /* average_width */
	    !(ptr = strchr(ptr + 1, '-')) ||	/* charset_registry */
	    strchr(ptr + 1, '-'))/* charset_encoding */
	return FALSE;

    /* Lop off HP charset subsetting enhancement.  Interpreting this
       field requires allocating some space in which to return the
       results.  So, to prevent memory leaks, this procedure will simply
       lop off and ignore charset subsetting, and initialize the
       relevant vals fields to zero.  It's up to the caller to make its
       own call to FontParseRanges() if it's interested in the charset
       subsetting.  */

    if (subst != FONT_XLFD_REPLACE_NONE &&
	(p = strchr(strrchr(fname, '-'), '[')))
    {
	tmpvals.values_supplied |= CHARSUBSET_SPECIFIED;
	*p = '\0';
    }

    /* Fill in deprecated fields for the benefit of rasterizers that care
       about them. */
    tmpvals.pixel = (tmpvals.pixel_matrix[3] >= 0) ?
		    (int)(tmpvals.pixel_matrix[3] + .5) :
		    (int)(tmpvals.pixel_matrix[3] - .5);
    tmpvals.point = (tmpvals.point_matrix[3] >= 0) ?
                    (int)(tmpvals.point_matrix[3] * 10 + .5) :
                    (int)(tmpvals.point_matrix[3] * 10 - .5);

    spacingLen = ptr4 - ptr3 + 1;

    switch (subst) {
    case FONT_XLFD_REPLACE_NONE:
	*vals = tmpvals;
	break;
    case FONT_XLFD_REPLACE_STAR:
	replaceChar = '*';
    case FONT_XLFD_REPLACE_ZERO:
	strlcpy(tmpBuf, ptr2, sizeof(tmpBuf));
	ptr5 = tmpBuf + (ptr5 - ptr2);
	ptr3 = tmpBuf + (ptr3 - ptr2);
	ptr2 = tmpBuf;
	ptr = ptr1 + 1;

	ptr = strchr(ptr, '-') + 1;		/* skip weight */
	ptr = strchr(ptr, '-') + 1;		/* skip slant */
	ptr = strchr(ptr, '-') + 1;		/* skip setwidth_name */
	ptr = strchr(ptr, '-') + 1;		/* skip add_style_name */

	if ((ptr - fname) + spacingLen + strlen(ptr5) + 10 >= (unsigned)1024)
	    return FALSE;
	*ptr++ = replaceChar;
	*ptr++ = '-';
	*ptr++ = replaceChar;
	*ptr++ = '-';
	*ptr++ = '*';
	*ptr++ = '-';
	*ptr++ = '*';
	if (spacingLen > 2)
	{
	    memmove(ptr, ptr3, spacingLen);
	    ptr += spacingLen;
	}
	else
	{
	    *ptr++ = '-';
	    *ptr++ = '*';
	    *ptr++ = '-';
	}
	*ptr++ = replaceChar;
	strlcpy(ptr, ptr5, fnamelen - (ptr - fname));
	*vals = tmpvals;
	break;
    case FONT_XLFD_REPLACE_VALUE:
	if (vals->values_supplied & PIXELSIZE_MASK)
	{
	    tmpvals.values_supplied =
		(tmpvals.values_supplied & ~PIXELSIZE_MASK) |
		(vals->values_supplied & PIXELSIZE_MASK);
	    tmpvals.pixel_matrix[0] = vals->pixel_matrix[0];
	    tmpvals.pixel_matrix[1] = vals->pixel_matrix[1];
	    tmpvals.pixel_matrix[2] = vals->pixel_matrix[2];
	    tmpvals.pixel_matrix[3] = vals->pixel_matrix[3];
	}
	if (vals->values_supplied & POINTSIZE_MASK)
	{
	    tmpvals.values_supplied =
		(tmpvals.values_supplied & ~POINTSIZE_MASK) |
		(vals->values_supplied & POINTSIZE_MASK);
	    tmpvals.point_matrix[0] = vals->point_matrix[0];
	    tmpvals.point_matrix[1] = vals->point_matrix[1];
	    tmpvals.point_matrix[2] = vals->point_matrix[2];
	    tmpvals.point_matrix[3] = vals->point_matrix[3];
	}
	if (vals->x >= 0)
	    tmpvals.x = vals->x;
	if (vals->y >= 0)
	    tmpvals.y = vals->y;
	if (vals->width >= 0)
	    tmpvals.width = vals->width;
	else if (vals->width < -1)	/* overload: -1 means wildcard */
	    tmpvals.width = -vals->width;


	p = ptr1 + 1;				/* weight field */
	l = strchr(p, '-') - p;
	snprintf(tmpBuf, sizeof(tmpBuf), "%*.*s", l, l, p);

	p += l + 1;				/* slant field */
	l = strchr(p, '-') - p;
	tlen = strlen(tmpBuf);
	snprintf(tmpBuf + tlen, sizeof(tmpBuf) - tlen, "-%*.*s", l, l, p);

	p += l + 1;				/* setwidth_name */
	l = strchr(p, '-') - p;
	tlen = strlen(tmpBuf);
	snprintf(tmpBuf + tlen, sizeof(tmpBuf) - tlen, "-%*.*s", l, l, p);

	p += l + 1;				/* add_style_name field */
	l = strchr(p, '-') - p;
	tlen = strlen(tmpBuf);
	snprintf(tmpBuf + tlen, sizeof(tmpBuf) - tlen, "-%*.*s", l, l, p);

	strlcat(tmpBuf, "-", sizeof(tmpBuf));
	if ((tmpvals.values_supplied & PIXELSIZE_MASK) == PIXELSIZE_ARRAY)
	{
	    char buffer[XLFD_DOUBLE_TO_TEXT_BUF_SIZE];
	    strlcat(tmpBuf, "[", sizeof(tmpBuf));
	    strlcat(tmpBuf,
		    xlfd_double_to_text(tmpvals.pixel_matrix[0], buffer, 0),
		    sizeof(tmpBuf));
	    strlcat(tmpBuf,
		    xlfd_double_to_text(tmpvals.pixel_matrix[1], buffer, 1),
		    sizeof(tmpBuf));
	    strlcat(tmpBuf,
		    xlfd_double_to_text(tmpvals.pixel_matrix[2], buffer, 1),
		    sizeof(tmpBuf));
	    strlcat(tmpBuf,
		    xlfd_double_to_text(tmpvals.pixel_matrix[3], buffer, 1),
		    sizeof(tmpBuf));
	    strlcat(tmpBuf, "]", sizeof(tmpBuf));
	}
	else
	{
	    tlen = strlen(tmpBuf);
	    snprintf(tmpBuf + tlen, sizeof(tmpBuf) - tlen, "%d",
		     (int)(tmpvals.pixel_matrix[3] + .5));
	}
	strlcat(tmpBuf, "-", sizeof(tmpBuf));
	if ((tmpvals.values_supplied & POINTSIZE_MASK) == POINTSIZE_ARRAY)
	{
	    char buffer[XLFD_DOUBLE_TO_TEXT_BUF_SIZE];
	    strlcat(tmpBuf, "[", sizeof(tmpBuf));
	    strlcat(tmpBuf,
		    xlfd_double_to_text(tmpvals.point_matrix[0], buffer, 0),
		    sizeof(tmpBuf));
	    strlcat(tmpBuf,
		    xlfd_double_to_text(tmpvals.point_matrix[1], buffer, 1),
		    sizeof(tmpBuf));
	    strlcat(tmpBuf,
		    xlfd_double_to_text(tmpvals.point_matrix[2], buffer, 1),
		    sizeof(tmpBuf));
	    strlcat(tmpBuf,
		    xlfd_double_to_text(tmpvals.point_matrix[3], buffer, 1),
		    sizeof(tmpBuf));
	    strlcat(tmpBuf, "]", sizeof(tmpBuf));
	}
	else
	{
	    tlen = strlen(tmpBuf);
	    snprintf(tmpBuf + tlen, sizeof(tmpBuf) - tlen, "%d",
		     (int)(tmpvals.point_matrix[3] * 10.0 + .5));
	}
	tlen = strlen(tmpBuf);
	snprintf(tmpBuf + tlen, sizeof(tmpBuf) - tlen, "-%d-%d%*.*s%d%s",
		 tmpvals.x, tmpvals.y,
		 spacingLen, spacingLen, ptr3, tmpvals.width, ptr5);
	strlcpy(ptr1 + 1, tmpBuf, fnamelen - (ptr1 - fname));
	if ((vals->values_supplied & CHARSUBSET_SPECIFIED) && !vals->nranges)
	    strlcat(fname, "[]", fnamelen);
	else
	    append_ranges(fname, fnamelen, vals->nranges, vals->ranges);
	break;
    }
    return TRUE;
}

fsRange *FontParseRanges(char *name, int *nranges)
{
    int n;
    unsigned long l;
    char *p1, *p2;
    fsRange *result = (fsRange *)0;

    name = strchr(name, '-');
    for (n = 1; name && n < 14; n++)
	name = strchr(name + 1, '-');

    *nranges = 0;
    if (!name || !(p1 = strchr(name, '['))) return (fsRange *)0;
    p1++;

    while (*p1 && *p1 != ']')
    {
	fsRange thisrange;

	l = strtol(p1, &p2, 0);
	if (p2 == p1 || l > 0xffff) break;
	thisrange.max_char_low = thisrange.min_char_low = l & 0xff;
	thisrange.max_char_high = thisrange.min_char_high = l >> 8;

	p1 = p2;
	if (*p1 == ']' || *p1 == ' ')
	{
	    while (*p1 == ' ') p1++;
	    if (add_range(&thisrange, nranges, &result, TRUE) != Successful)
		break;
	}
	else if (*p1 == '_')
	{
	    l = strtol(++p1, &p2, 0);
	    if (p2 == p1 || l > 0xffff) break;
	    thisrange.max_char_low = l & 0xff;
	    thisrange.max_char_high = l >> 8;
	    p1 = p2;
	    if (*p1 == ']' || *p1 == ' ')
	    {
		while (*p1 == ' ') p1++;
		if (add_range(&thisrange, nranges, &result, TRUE) != Successful)
		    break;
	    }
	}
	else break;
    }

    return result;
}