tools/fnt2bdf.c

   1 /************************************************
   2  *
   3  * Extract fonts from .fnt or Windows DLL files
   4  * and convert them to the .bdf format.
   5  *
   6  * Copyright 1994-1996 Kevin Carothers and Alex Korobka
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #ifdef HAVE_SYS_PARAM_H
  27 # include <sys/param.h>
  28 #endif
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34 #ifdef HAVE_UNISTD_H
  35 # include <unistd.h>
  36 #endif
  37 #include <fcntl.h>
  38 #ifdef HAVE_IO_H
  39 # include <io.h>
  40 #endif
  41
  42 #include "fnt2bdf.h"
  43
  44 #define FILE_ERROR      0
  45 #define FILE_DLL        1
  46 #define FILE_FNT        2
  47
  48 /* global options */
  49
  50 static int dump_bdf( fnt_fontS* cpe_font_struct, unsigned char* file_buffer);
  51 static int dump_bdf_hdr(FILE* fs, fnt_fontS* cpe_font_struct, unsigned char* file_buffer);
  52
  53 static char* g_lpstrFileName = NULL;
  54 static char* g_lpstrCharSet = NULL;
  55 static char* g_lpstrInputFile = NULL;
  56 static int   g_outputPoints = 0;
  57
  58 /* info */
  59
  60 static void usage(void)
  61 {
  62     printf("Usage: fnt2bdf [-t] [-c charset] [-o basename] [input file]\n");
  63     printf("  -c charset\tcharset name for OEM_CHARSET fonts\n");
  64     printf("  -f basename\tbasic output filename\n");
  65     printf("  -t \t\toutput files by point size instead of pixel height\n");
  66     printf("  input file\tMSWindows .fon, .fnt, .dll, or .exe file.\n");
  67     printf("\nExample:\n  fnt2bdf -c winsys vgasys.fnt\n\n");
  68     exit(-1);
  69 }
  70
  71 /* convert little-endian value to the local format */
  72
  73 static int return_data_value(enum data_types dtype, void * pChr)
  74 {
  75 int   ret_val = 0;
  76
  77     switch(dtype) {
  78         case (dfChar):
  79             ret_val = (int) *(unsigned char *)pChr;
  80             break;
  81
  82         case(dfShort):
  83             ret_val = *(unsigned char *)pChr;
  84             ret_val += (*((unsigned char *)pChr + 1) << 8);
  85             break;
  86
  87         case(dfLong): {
  88             int  i;
  89
  90             for(i=3; i >= 0; i--)  {
  91                 ret_val += *((unsigned char *)pChr + i) << (8*i);
  92                 }
  93             break;
  94             }
  95                 case(dfString):
  96                         break;
  97         }
  98     return ret_val;
  99 }
 100
 101 static int make_bdf_filename(char* name, fnt_fontS* cpe_font_struct, unsigned char* file_buffer)
 102 {
 103 long    l_nameoffset = return_data_value(dfLong, &cpe_font_struct->hdr.fi.dfFace);
 104 char*   lpChar;
 105
 106   if( !g_lpstrFileName )
 107   {
 108     if( !l_nameoffset ||
 109          l_nameoffset > return_data_value(dfLong, &cpe_font_struct->hdr.dfSize) + 1 )
 110          return ERROR_DATA;
 111     lpChar =  (char*)(file_buffer + l_nameoffset);
 112   }
 113     else lpChar = g_lpstrFileName;
 114
 115   strcpy( name, lpChar );
 116
 117   while( (lpChar = strchr( name, ' ')) )
 118          *lpChar = '-';
 119
 120   /* construct a filename from the font typeface, slant, weight, and size */
 121
 122   if( cpe_font_struct->hdr.fi.dfItalic ) strcat(name, "_i" );
 123   else strcat(name, "_r" );
 124
 125   lpChar = name + strlen( name );
 126   sprintf(lpChar, "%d-%d.bdf", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfWeight),
 127           (g_outputPoints) ? return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints)
 128                            : return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixHeight) );
 129   return 0;
 130 }
 131
 132 /* parse FONT resource and write .bdf file */
 133
 134 static int parse_fnt_data(unsigned char* file_buffer, int length)
 135 {
 136   fnt_fontS     cpe_font_struct;
 137   int           ic=0, t;
 138
 139   memcpy((char *) &cpe_font_struct.hdr, file_buffer, sizeof(fnt_hdrS));
 140
 141   /* check font header */
 142
 143   t = return_data_value(dfShort, &cpe_font_struct.hdr.dfVersion);
 144   if( t != 0x300 && t != 0x200) return ERROR_VERSION;
 145
 146   t = return_data_value(dfShort, &cpe_font_struct.hdr.fi.dfType);
 147   if (t & 1)
 148   {
 149     fprintf(stderr, "Vector fonts not supported\n");
 150     return ERROR_DATA;
 151   }
 152
 153   t = return_data_value(dfLong, &cpe_font_struct.hdr.dfSize);
 154   if( t > length ) return ERROR_SIZE;
 155   else
 156   {
 157     /* set up the charWidth/charOffset  structure pairs (dfCharTable)... */
 158
 159     int l_fchar = return_data_value(dfChar, &cpe_font_struct.hdr.fi.dfFirstChar),
 160         l_lchar = return_data_value(dfChar, &cpe_font_struct.hdr.fi.dfLastChar);
 161     int l_len   = l_lchar - l_fchar + 1;
 162     int l_ptr = sizeof(fnt_hdrS);
 163
 164     /* some fields were introduced for Windows 3.x fonts */
 165     if( return_data_value(dfShort, &cpe_font_struct.hdr.dfVersion) == 0x200 )
 166         l_ptr -= 30;
 167
 168     /* malloc size = (# chars) * sizeof(WinCharS) */
 169
 170     if((cpe_font_struct.dfCharTable = (WinCharS *) calloc(sizeof(WinCharS), l_len)) == NULL)
 171         return ERROR_MEMORY;
 172
 173     /* NOW, convert them all to UNIX (lton) notation... */
 174
 175     for(ic=0; ic < l_len; ic++) {
 176         cpe_font_struct.dfCharTable[ic].charWidth = return_data_value(dfShort, &file_buffer[l_ptr]);
 177         l_ptr += 2;     /* bump by sizeof(short) */
 178
 179
 180         if( return_data_value(dfShort, &cpe_font_struct.hdr.dfVersion) == 0x200) {
 181             cpe_font_struct.dfCharTable[ic].charOffset =
 182                         return_data_value(dfShort, &file_buffer[l_ptr]);
 183             l_ptr += 2; /* bump by sizeof(short) */
 184             }
 185         else {  /*  Windows Version 3.0 type font */
 186             cpe_font_struct.dfCharTable[ic].charOffset =
 187                         return_data_value(dfLong, &file_buffer[l_ptr]);
 188             l_ptr += 4; /* bump by sizeof(long) */
 189             }
 190         }
 191     t = dump_bdf(&cpe_font_struct, file_buffer);
 192     free( cpe_font_struct.dfCharTable );
 193   }
 194   return t;
 195 }
 196
 197 static int dump_bdf( fnt_fontS* cpe_font_struct, unsigned char* file_buffer)
 198 {
 199   FILE*   fp;
 200   int     ic;
 201   int     l_fchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfFirstChar),
 202           l_lchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfLastChar);
 203
 204   int     l_len = l_lchar-l_fchar + 1,
 205           l_hgt = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfPixHeight);
 206   int     l_ascent = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfAscent);
 207   char    l_filename[256];
 208
 209     if( (ic = make_bdf_filename(l_filename, cpe_font_struct, file_buffer)) )
 210         return ic;
 211
 212     if((fp = fopen(l_filename, "w")) == NULL)
 213     {
 214       fprintf(stderr, "Couldn't open \"%s\" for output.\n", l_filename);
 215       return ERROR_FILE;
 216     }
 217
 218     ic = dump_bdf_hdr(fp, cpe_font_struct, file_buffer);
 219     if (ic) return (ic);
 220
 221     /* NOW, convert all chars to UNIX (lton) notation... */
 222
 223     for(ic=0; ic < l_len; ic++) {
 224         int rowidx, l_span,             /* how many char-cols wide is char? */
 225             l_idx = cpe_font_struct->dfCharTable[ic].charOffset;
 226
 227         l_span = (int) (cpe_font_struct->dfCharTable[ic].charWidth-1)/8;
 228
 229         fprintf(fp, "STARTCHAR %d\n", ic);
 230         fprintf(fp, "ENCODING %d\n",   l_fchar);
 231         fprintf(fp, "SWIDTH    %d    %d\n",
 232                 cpe_font_struct->dfCharTable[ic].charWidth*1000,
 233                 0);
 234
 235         fprintf(fp, "DWIDTH    %d    %d\n",
 236                 cpe_font_struct->dfCharTable[ic].charWidth, 0);
 237
 238         fprintf(fp, "BBX  %d  %d  %d   %d\n",
 239                 cpe_font_struct->dfCharTable[ic].charWidth, l_hgt, 0,
 240                 l_ascent - l_hgt);
 241
 242         fprintf(fp, "BITMAP\n");
 243         for(rowidx=0; rowidx < l_hgt; rowidx++) {
 244             switch(l_span) {
 245                 case(0):        /* 1-7 pixels wide font */
 246                     {
 247                     fprintf(fp, "%02X\n", (int) file_buffer[l_idx+rowidx]);
 248                     break;
 249                     }
 250
 251                 case(1):        /* 8-15 pixels wide font */
 252                     {
 253                     fprintf(fp, "%02X%02X",
 254                         (int) file_buffer[l_idx+rowidx], file_buffer[l_idx+l_hgt+rowidx]);
 255                     fprintf(fp, "\n");
 256                     break;
 257                     }
 258
 259                 case(2):        /* 16-23 pixels wide font */
 260                     {
 261                     fprintf(fp, "%02X%02X%02X",
 262                         file_buffer[l_idx+rowidx],
 263                         file_buffer[l_idx+l_hgt+rowidx],
 264                         file_buffer[l_idx+(2*l_hgt)+rowidx]);
 265                     fprintf(fp, "\n");
 266                     break;
 267                     }
 268
 269                 case(3):        /* 24-31 pixels wide font */
 270                     {
 271                     fprintf(fp, "%02X%02X%02X%02X",
 272                         file_buffer[l_idx+rowidx],
 273                         file_buffer[l_idx+l_hgt+rowidx],
 274                         file_buffer[l_idx+(2*l_hgt)+rowidx],
 275                         file_buffer[l_idx+(3*l_hgt)+rowidx]);
 276                     fprintf(fp, "\n");
 277                     break;
 278                     }
 279                 case(4):        /* 32-39 */
 280                     {
 281                     fprintf(fp, "%02X%02X%02X%02X%02X",
 282                         file_buffer[l_idx+rowidx],
 283                         file_buffer[l_idx+l_hgt+rowidx],
 284                         file_buffer[l_idx+(2*l_hgt)+rowidx],
 285                         file_buffer[l_idx+(3*l_hgt)+rowidx],
 286                         file_buffer[l_idx+(4*l_hgt)+rowidx]);
 287                     fprintf(fp, "\n");
 288                     break;
 289                     }
 290                 default:
 291                     fclose(fp);
 292                     unlink(l_filename);
 293                     return ERROR_DATA;
 294                 }
 295             }
 296         fprintf(fp, "ENDCHAR\n");
 297
 298         l_fchar++;      /* Go to next one */
 299         }
 300 fprintf(fp, "ENDFONT\n");
 301 fclose(fp);
 302 return 0;
 303 }
 304
 305
 306 static int dump_bdf_hdr(FILE* fs, fnt_fontS* cpe_font_struct, unsigned char* file_buffer)
 307 {
 308 int     l_fchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfFirstChar),
 309         l_lchar = return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfLastChar);
 310 int     l_len = l_lchar - l_fchar + 1;
 311 long    l_nameoffset = return_data_value(dfLong, &cpe_font_struct->hdr.fi.dfFace);
 312 int     l_cellheight = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixHeight);
 313 int     l_ascent = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfAscent);
 314
 315     fprintf(fs, "STARTFONT   2.1\n");
 316
 317     /* Compose font name */
 318
 319     if( l_nameoffset &&
 320         l_nameoffset < return_data_value(dfLong, &cpe_font_struct->hdr.dfSize) )
 321     {
 322       int     dpi, point_size;
 323       char*   lpFace = (char*)(file_buffer + l_nameoffset), *lpChar;
 324       short   tmWeight = return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfWeight);
 325
 326       while((lpChar = strchr(lpFace, '-')) )
 327             *lpChar = ' ';
 328
 329       fprintf(fs, "FONT -windows-%s-", lpFace );
 330
 331       if( tmWeight == 0 )                       /* weight */
 332           fputs("medium-", fs);
 333       else if( tmWeight <= FW_LIGHT )
 334           fputs("light-", fs);
 335       else if( tmWeight <= FW_MEDIUM )
 336           fputs("medium-", fs);
 337       else if( tmWeight <= FW_DEMIBOLD )
 338           fputs("demibold-", fs);
 339       else if( tmWeight <= FW_BOLD )
 340           fputs("bold-", fs);
 341       else fputs("black-", fs);
 342
 343       if( cpe_font_struct->hdr.fi.dfItalic )    /* slant */
 344           fputs("i-", fs);
 345       else fputs("r-", fs);
 346
 347       /* style */
 348
 349       if( (cpe_font_struct->hdr.fi.dfPitchAndFamily & 0xF0) == FF_SWISS )
 350           fputs("normal-sans-", fs);
 351       else fputs("normal--", fs);       /* still can be -sans */
 352
 353       /* y extents */
 354
 355       point_size = 10 * return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints );
 356       dpi = (l_cellheight * 720) / point_size;
 357
 358       fprintf(fs, "%d-%d-%d-%d-",l_cellheight, point_size,
 359             return_data_value (dfShort, &cpe_font_struct->hdr.fi.dfHorizRes),
 360             return_data_value (dfShort, &cpe_font_struct->hdr.fi.dfVertRes));
 361
 362       /* spacing */
 363
 364       if( return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPixWidth) ) fputs("c-", fs);
 365       else fputs("p-", fs);
 366
 367       /* average width */
 368
 369       fprintf( fs, "%d-", 10 * return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfAvgWidth) );
 370
 371       /* charset */
 372
 373      if( g_lpstrCharSet ) fprintf(fs, "%s\n", g_lpstrCharSet);
 374      else
 375       switch( cpe_font_struct->hdr.fi.dfCharSet )
 376       {
 377         /* Microsoft just had to invent its own charsets! */
 378
 379         case ANSI_CHARSET:      fputs("microsoft-cp1252\n", fs); break;
 380         case GREEK_CHARSET:     fputs("microsoft-cp1253\n", fs); break;
 381         case TURKISH_CHARSET:   fputs("microsoft-cp1254\n", fs); break;
 382         case HEBREW_CHARSET:    fputs("microsoft-cp1255\n", fs); break;
 383         case ARABIC_CHARSET:    fputs("microsoft-cp1256\n", fs); break;
 384         case BALTIC_CHARSET:    fputs("microsoft-cp1257\n", fs); break;
 385         case RUSSIAN_CHARSET:   fputs("microsoft-cp1251\n", fs); break;
 386         case EE_CHARSET:        fputs("microsoft-cp1250\n", fs); break;
 387         case SYMBOL_CHARSET:    fputs("microsoft-symbol\n", fs); break;
 388         case SHIFTJIS_CHARSET:  fputs("jisx0208.1983-0\n", fs); break;
 389         case DEFAULT_CHARSET:   fputs("iso8859-1\n", fs); break;
 390
 391         default:
 392         case OEM_CHARSET:
 393                     fputs("Undefined charset, use -c option.\n", stderr);
 394                     return ERROR_DATA;
 395       }
 396     }
 397     else return ERROR_DATA;
 398
 399     fprintf(fs, "SIZE  %d  %d   %d\n",
 400         return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfPoints ),
 401         return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfHorizRes),
 402         return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfVertRes));   /* dfVertRes[2] */
 403
 404     fprintf(fs, "FONTBOUNDINGBOX %d  %d  %d  %d\n",
 405         return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfMaxWidth),
 406         return_data_value(dfChar, &cpe_font_struct->hdr.fi.dfPixHeight),
 407         0, l_ascent - l_cellheight );
 408
 409     fprintf(fs, "STARTPROPERTIES  4\n");
 410
 411     fprintf(fs, "FONT_ASCENT %d\n", l_ascent );                       /*  dfAscent[2] */
 412     fprintf(fs, "FONT_DESCENT %d\n", l_cellheight - l_ascent );
 413     fprintf(fs, "CAP_HEIGHT %d\n", l_ascent -
 414                                    return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfInternalLeading));
 415     fprintf(fs, "DEFAULT_CHAR %d\n", return_data_value(dfShort, &cpe_font_struct->hdr.fi.dfDefaultChar));
 416
 417     fprintf(fs, "ENDPROPERTIES\n");
 418
 419     fprintf(fs, "CHARS  %d\n",  l_len);
 420     return 0;
 421 }
 422
 423
 424
 425 static void parse_options(int argc, char **argv)
 426 {
 427   int i;
 428
 429   switch( argc )
 430   {
 431     case 2:
 432          g_lpstrInputFile = argv[1];
 433          break;
 434
 435     case 3:
 436     case 4:
 437     case 5:
 438     case 6:
 439     case 7:
 440     case 8:
 441          for( i = 1; i < argc - 1; i++ )
 442          {
 443            if( argv[i][0] != '-' ||
 444                strlen(argv[i]) != 2 ) break;
 445
 446            if( argv[i][1] == 'c' )
 447                g_lpstrCharSet = argv[i+1];
 448            else
 449            if( argv[i][1] == 'f' )
 450                g_lpstrFileName = argv[i+1];
 451            else
 452            if( argv[i][1] == 't' )
 453            {
 454               g_outputPoints = 1;
 455               continue;
 456            }
 457            else
 458            usage();
 459
 460            i++;
 461          }
 462          if( i == argc - 1 )
 463          {
 464            g_lpstrInputFile = argv[i];
 465            break;
 466          }
 467     default: usage();
 468   }
 469
 470 }
 471
 472 /* read file data and return file type */
 473
 474 static int get_resource_table(int fd, unsigned char** lpdata, int fsize)
 475 {
 476   IMAGE_DOS_HEADER mz_header;
 477   IMAGE_OS2_HEADER ne_header;
 478   long s, offset, size;
 479   int retval;
 480
 481   lseek( fd, 0, SEEK_SET );
 482
 483   if( read(fd, &mz_header, sizeof(mz_header)) != sizeof(mz_header) )
 484       return FILE_ERROR;
 485
 486   s = return_data_value(dfShort, &mz_header.e_magic);
 487
 488   if( s == IMAGE_DOS_SIGNATURE)         /* looks like .dll file so far... */
 489   {
 490     s = return_data_value(dfShort, &mz_header.e_lfanew);
 491     lseek( fd, s, SEEK_SET );
 492
 493     if( read(fd, &ne_header, sizeof(ne_header)) != sizeof(ne_header) )
 494         return FILE_ERROR;
 495
 496     s = return_data_value(dfShort, &ne_header.ne_magic);
 497
 498     if( s == IMAGE_NT_SIGNATURE)
 499     {
 500        fprintf( stderr, "Do not know how to handle 32-bit Windows DLLs.\n");
 501        return FILE_ERROR;
 502     }
 503     else if ( s != IMAGE_OS2_SIGNATURE) return FILE_ERROR;
 504
 505     s = return_data_value(dfShort, &ne_header.ne_rsrctab);
 506     size = return_data_value(dfShort, &ne_header.ne_restab);
 507
 508     if( size > fsize ) return FILE_ERROR;
 509
 510     size -= s;
 511     offset = s + return_data_value(dfShort, &mz_header.e_lfanew);
 512
 513     if( size <= sizeof(NE_TYPEINFO) ) return FILE_ERROR;
 514     retval = FILE_DLL;
 515   }
 516   else if( s == 0x300 || s == 0x200 )           /* maybe .fnt ? */
 517   {
 518     size = return_data_value(dfLong, &((fnt_hdrS *)&mz_header)->dfSize);
 519
 520     if( size != fsize ) return FILE_ERROR;
 521     offset  = 0;
 522     retval = FILE_FNT;
 523   }
 524   else return FILE_ERROR;
 525
 526   *lpdata = (unsigned char*)malloc(size);
 527
 528   if( *lpdata )
 529   {
 530     lseek( fd, offset, SEEK_SET );
 531     if( read(fd, *lpdata, size) != size )
 532            { free( *lpdata ); *lpdata = NULL; }
 533   }
 534   return retval;
 535 }
 536
 537
 538 /* entry point */
 539
 540 int main(int argc, char **argv)
 541 {
 542   unsigned char* lpdata = NULL;
 543   int            fd;
 544
 545   parse_options( argc, argv);
 546
 547   if( (fd = open( g_lpstrInputFile, O_RDONLY | O_BINARY)) )
 548   {
 549     int    i;
 550     struct stat file_stat;
 551
 552     fstat( fd, &file_stat);
 553     i = get_resource_table( fd, &lpdata, file_stat.st_size );
 554
 555     switch(i)
 556     {
 557         case FILE_DLL:
 558              if( lpdata )
 559              {
 560                int          j, count = 0;
 561                NE_TYPEINFO* pTInfo = (NE_TYPEINFO*)(lpdata + 2);
 562                NE_NAMEINFO* pFontStorage = NULL;
 563
 564                while( (i = return_data_value(dfShort, &pTInfo->type_id)) )
 565                {
 566                   j = return_data_value(dfShort, &pTInfo->count);
 567                   if( i == NE_RSCTYPE_FONT )
 568                   {
 569                     count = j;
 570                     pFontStorage = (NE_NAMEINFO*)(pTInfo + 1);
 571                     break; /* found one */
 572                   }
 573
 574                   pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1) + j*sizeof(NE_NAMEINFO));
 575                }
 576                if( pFontStorage && count )
 577                {
 578                  unsigned short         size_shift = return_data_value(dfShort, lpdata);
 579                  unsigned char*         lpfont = NULL;
 580                  unsigned               offset;
 581                  int                    length;
 582
 583                  for( j = 0; j < count; j++, pFontStorage++ )
 584                  {
 585                     length = return_data_value(dfShort, &pFontStorage->length) << size_shift;
 586                     offset = return_data_value(dfShort, &pFontStorage->offset) << size_shift;
 587
 588                     if( !(lpfont = (unsigned char*) realloc( lpfont, length )) )
 589                     {
 590                         fprintf(stderr, "Memory allocation error.\n" );
 591                         exit(1);
 592                     }
 593
 594                     lseek( fd, offset, SEEK_SET );
 595                     if( read(fd, lpfont, length) != length )
 596                     {
 597                         fprintf(stderr, "Unable to read Windows DLL.\n" );
 598                         exit(1);
 599                     }
 600
 601                     if( (i = parse_fnt_data( lpfont, length )) )
 602                     {
 603                         fprintf(stderr, "Unable to parse font data: Error %d\n", i );
 604                         exit(1);
 605                     }
 606                  }
 607                  free(lpfont); free(lpdata);
 608                  exit(0);
 609                }
 610                else
 611                {
 612                  fprintf(stderr, "No fonts found.\n" );
 613                  exit(1);
 614                }
 615                free( lpdata );
 616              }
 617              else
 618              {
 619                fprintf(stderr, "Unable to read Windows DLL.\n" );
 620                exit(1);
 621              }
 622              break;
 623
 624         case FILE_FNT:
 625              if( lpdata )
 626              {
 627                if( (i = parse_fnt_data( lpdata, file_stat.st_size )) )
 628                {
 629                    fprintf(stderr, "Unable to parse font data: Error %d\n", i );
 630                    exit(1);
 631                }
 632                free( lpdata );
 633              }
 634              else
 635              {
 636                fprintf(stderr, "Unable to read .FNT file.\n" );
 637                exit(1);
 638              }
 639              break;
 640
 641         case FILE_ERROR:
 642              fprintf(stderr, "Corrupt or invalid file.\n" );
 643              exit(1);
 644     }
 645     close(fd);
 646     exit(0);
 647   }
 648   else
 649   {
 650     fprintf(stderr, "Unable to open '%s'.\n", g_lpstrInputFile );
 651     exit(1);
 652   }
 653 }