| 1 | #include <X11/Xlib.h> |
| 2 | #include <stdio.h> |
| 3 | #include <stdlib.h> |
| 4 | #include <string.h> |
| 5 | #include "compact.h" |
| 6 | #include "medcut.h" |
| 7 | |
| 8 | #define DEF_BLACK BlackPixel(Dpy, DefaultScreen(Dpy)) |
| 9 | #define DEF_WHITE WhitePixel(Dpy, DefaultScreen(Dpy)) |
| 10 | #define MAX_LINE 81 |
| 11 | |
| 12 | |
| 13 | extern unsigned char *ReadGifBitmap(); |
| 14 | |
| 15 | |
| 16 | extern Display *Dpy; |
| 17 | |
| 18 | int NumColors; |
| 19 | |
| 20 | char nibMask[8] = { |
| 21 | 1, 2, 4, 8, 16, 32, 64, 128 |
| 22 | }; |
| 23 | |
| 24 | |
| 25 | |
| 26 | /* |
| 27 | * dscan is a quick replacement for: |
| 28 | * |
| 29 | * fscanf (fp, "%d", &ip); |
| 30 | */ |
| 31 | dscan(fp, ip) |
| 32 | FILE *fp; |
| 33 | int *ip; |
| 34 | { |
| 35 | |
| 36 | register int v = 0; |
| 37 | register int n = 0; |
| 38 | int done = 0; |
| 39 | static int nerrors; |
| 40 | |
| 41 | while (!done) { |
| 42 | register int i; |
| 43 | i = getc(fp); |
| 44 | if (i < 0) { |
| 45 | *ip = v; |
| 46 | fprintf(stderr, "dscanf: EOF"); |
| 47 | if (nerrors++ > 2) |
| 48 | return (-1); |
| 49 | else if (nerrors++ > 4) |
| 50 | exit(-1); |
| 51 | return (n); |
| 52 | } |
| 53 | i &= 0xFF; |
| 54 | switch (i) { |
| 55 | case '0': |
| 56 | case '1': |
| 57 | case '2': |
| 58 | case '3': |
| 59 | case '4': |
| 60 | case '5': |
| 61 | case '6': |
| 62 | case '7': |
| 63 | case '8': |
| 64 | case '9': |
| 65 | v = i - '0' + (v * 10); |
| 66 | n++; |
| 67 | break; |
| 68 | case '\n': |
| 69 | case '\r': |
| 70 | case ' ': |
| 71 | case '\t': |
| 72 | if (n) { |
| 73 | *ip = v; |
| 74 | done = 1; |
| 75 | } |
| 76 | break; |
| 77 | default: |
| 78 | fprintf(stderr, "dscanf: non numeric character (0x%x) '%c'\n", i, i); |
| 79 | if (nerrors++ > 4) |
| 80 | exit(-1); |
| 81 | return (-1); |
| 82 | |
| 83 | } |
| 84 | } |
| 85 | return (n); |
| 86 | } |
| 87 | |
| 88 | |
| 89 | unsigned char * |
| 90 | ReadXpmPixmap(fp, w, h, colrs, Colors, CharsPP) |
| 91 | FILE *fp; |
| 92 | int *w, *h; |
| 93 | struct colr_data *colrs; |
| 94 | int Colors, CharsPP; |
| 95 | { |
| 96 | unsigned char *pixels; |
| 97 | char **Color_Vals; |
| 98 | XColor tmpcolr; |
| 99 | int i, j, k; |
| 100 | int value, found; |
| 101 | char line[BUFSIZ], name_and_type[MAX_LINE]; |
| 102 | unsigned char *dataP; |
| 103 | unsigned char *bitp; |
| 104 | int tchar; |
| 105 | char *t; |
| 106 | char *t2; |
| 107 | |
| 108 | NumColors = 256; |
| 109 | if (Colors == 0) { |
| 110 | fprintf(stderr, "Can't find Colors.\n"); |
| 111 | return ((unsigned char *) NULL); |
| 112 | } |
| 113 | if (*w == 0) { |
| 114 | fprintf(stderr, "Invalid width.\n"); |
| 115 | return ((unsigned char *) NULL); |
| 116 | } |
| 117 | if (*h == 0) { |
| 118 | fprintf(stderr, "Invalid height.\n"); |
| 119 | return ((unsigned char *) NULL); |
| 120 | } |
| 121 | |
| 122 | Color_Vals = (char **) malloc(sizeof(char *) * Colors); |
| 123 | for (i = 0; i < Colors; i++) { |
| 124 | tchar = getc(fp); |
| 125 | while ((tchar != '"') && (tchar != EOF)) { |
| 126 | tchar = getc(fp); |
| 127 | } |
| 128 | Color_Vals[i] = (char *) malloc(sizeof(char) * (CharsPP + 1)); |
| 129 | j = 0; |
| 130 | tchar = getc(fp); |
| 131 | while ((tchar != '"') && (tchar != EOF) && (j < CharsPP)) { |
| 132 | Color_Vals[i][j] = (char) tchar; |
| 133 | tchar = getc(fp); |
| 134 | j++; |
| 135 | } |
| 136 | Color_Vals[i][j] = '\0'; |
| 137 | if (tchar != '"') { |
| 138 | tchar = getc(fp); |
| 139 | while ((tchar != '"') && (tchar != EOF)) { |
| 140 | tchar = getc(fp); |
| 141 | } |
| 142 | } |
| 143 | tchar = getc(fp); |
| 144 | while ((tchar != '"') && (tchar != EOF)) { |
| 145 | tchar = getc(fp); |
| 146 | } |
| 147 | j = 0; |
| 148 | tchar = getc(fp); |
| 149 | while ((tchar != '"') && (tchar != EOF)) { |
| 150 | line[j] = (char) tchar; |
| 151 | tchar = getc(fp); |
| 152 | j++; |
| 153 | } |
| 154 | line[j] = '\0'; |
| 155 | XParseColor(Dpy, DefaultColormap(Dpy, DefaultScreen(Dpy)), line, &tmpcolr); |
| 156 | colrs[i].red = tmpcolr.red; |
| 157 | colrs[i].green = tmpcolr.green; |
| 158 | colrs[i].blue = tmpcolr.blue; |
| 159 | } |
| 160 | for (i = Colors; i < 256; i++) { |
| 161 | colrs[i].red = 0; |
| 162 | colrs[i].green = 0; |
| 163 | colrs[i].blue = 0; |
| 164 | } |
| 165 | tchar = getc(fp); |
| 166 | while ((tchar != ';') && (tchar != EOF)) { |
| 167 | tchar = getc(fp); |
| 168 | } |
| 169 | |
| 170 | for (;;) { |
| 171 | if (!(fgets(line, MAX_LINE, fp))) { |
| 172 | fprintf(stderr, "Can't find Pixels\n"); |
| 173 | return ((unsigned char *) NULL); |
| 174 | } else if (sscanf(line, "static char * %s = {", name_and_type) == 1) { |
| 175 | if ((t = (char *) rindex(name_and_type, '_')) == NULL) { |
| 176 | t = name_and_type; |
| 177 | } else { |
| 178 | t++; |
| 179 | } |
| 180 | if ((t2 = (char *) index(name_and_type, '[')) != NULL) { |
| 181 | *t2 = '\0'; |
| 182 | } |
| 183 | if (!strcmp("pixels", t)) { |
| 184 | break; |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | pixels = (unsigned char *) malloc((*w) * (*h)); |
| 189 | if (pixels == NULL) { |
| 190 | fprintf(stderr, "Not enough memory for data.\n"); |
| 191 | return ((unsigned char *) NULL); |
| 192 | } |
| 193 | |
| 194 | line[0] = '\0'; |
| 195 | t = line; |
| 196 | dataP = pixels; |
| 197 | tchar = getc(fp); |
| 198 | while ((tchar != '"') && (tchar != EOF)) { |
| 199 | tchar = getc(fp); |
| 200 | } |
| 201 | tchar = getc(fp); |
| 202 | for (j = 0; j < (*h); j++) { |
| 203 | for (i = 0; i < (*w); i++) { |
| 204 | k = 0; |
| 205 | while ((tchar != '"') && (tchar != EOF) && (k < CharsPP)) { |
| 206 | line[k] = (char) tchar; |
| 207 | tchar = getc(fp); |
| 208 | k++; |
| 209 | } |
| 210 | if ((k == 0) && (tchar == '"')) { |
| 211 | tchar = getc(fp); |
| 212 | while ((tchar != '"') && (tchar != EOF)) { |
| 213 | tchar = getc(fp); |
| 214 | } |
| 215 | k = 0; |
| 216 | tchar = getc(fp); |
| 217 | while ((tchar != '"') && (tchar != EOF) && (k < CharsPP)) { |
| 218 | line[k] = (char) tchar; |
| 219 | tchar = getc(fp); |
| 220 | k++; |
| 221 | } |
| 222 | } |
| 223 | line[k] = '\0'; |
| 224 | found = 0; |
| 225 | for (k = 0; k < Colors; k++) { |
| 226 | if (strncmp(Color_Vals[k], line, CharsPP) == 0) { |
| 227 | *dataP++ = (unsigned char) k; |
| 228 | found = 1; |
| 229 | break; |
| 230 | } |
| 231 | } |
| 232 | if (found == 0) { |
| 233 | fprintf(stderr, "Invalid Pixel (%2s) in file\n", line); |
| 234 | *dataP++ = (unsigned char) 0; |
| 235 | } |
| 236 | } |
| 237 | } |
| 238 | bitp = pixels; |
| 239 | for (i = 0; i < ((*w) * (*h)); i++) { |
| 240 | if ((int) *bitp > (256 - 1)) |
| 241 | *bitp = (unsigned char) 0; |
| 242 | bitp++; |
| 243 | } |
| 244 | for (i = 0; i < Colors; i++) { |
| 245 | free((char *) Color_Vals[i]); |
| 246 | } |
| 247 | free((char *) Color_Vals); |
| 248 | return (pixels); |
| 249 | } |
| 250 | |
| 251 | |
| 252 | unsigned char * |
| 253 | ReadXbmBitmap(fp, w, h, colrs) |
| 254 | FILE *fp; |
| 255 | int *w, *h; |
| 256 | struct colr_data *colrs; |
| 257 | { |
| 258 | int blackbit = BlackPixel(Dpy, DefaultScreen(Dpy)); |
| 259 | int whitebit = WhitePixel(Dpy, DefaultScreen(Dpy)); |
| 260 | char line[MAX_LINE], name_and_type[MAX_LINE]; |
| 261 | char *t; |
| 262 | char *t2; |
| 263 | unsigned char *ptr, *dataP; |
| 264 | int bytes_per_line, version10p, raster_length, padding; |
| 265 | int i, bytes, temp, value; |
| 266 | int Ncolors, charspp, xpmformat; |
| 267 | |
| 268 | *w = 0; |
| 269 | *h = 0; |
| 270 | Ncolors = 0; |
| 271 | charspp = 0; |
| 272 | xpmformat = 0; |
| 273 | for (;;) { |
| 274 | if (!(fgets(line, MAX_LINE, fp))) |
| 275 | break; |
| 276 | if (strlen(line) == (MAX_LINE - 1)) { |
| 277 | fprintf(stderr, "Line too long.\n"); |
| 278 | return ((unsigned char *) NULL); |
| 279 | } |
| 280 | if (sscanf(line, "#define %s %d", name_and_type, &value) == 2) { |
| 281 | if (!(t = (char *) rindex(name_and_type, '_'))) |
| 282 | t = name_and_type; |
| 283 | else |
| 284 | t++; |
| 285 | if (!strcmp("width", t)) |
| 286 | *w = value; |
| 287 | if (!strcmp("height", t)) |
| 288 | *h = value; |
| 289 | if (!strcmp("ncolors", t)) |
| 290 | Ncolors = value; |
| 291 | if (!strcmp("pixel", t)) |
| 292 | charspp = value; |
| 293 | continue; |
| 294 | } |
| 295 | if (sscanf(line, "static short %s = {", name_and_type) == 1) { |
| 296 | version10p = 1; |
| 297 | break; |
| 298 | } else if (sscanf(line, "static char * %s = {", name_and_type) == 1) { |
| 299 | xpmformat = 1; |
| 300 | if (!(t = (char *) rindex(name_and_type, '_'))) |
| 301 | t = name_and_type; |
| 302 | else |
| 303 | t++; |
| 304 | if ((t2 = (char *) index(name_and_type, '[')) != NULL) |
| 305 | *t2 = '\0'; |
| 306 | if (!strcmp("mono", t)) |
| 307 | continue; |
| 308 | else |
| 309 | break; |
| 310 | } else if (sscanf(line, "static char %s = {", name_and_type) == 1) { |
| 311 | version10p = 0; |
| 312 | break; |
| 313 | } else |
| 314 | continue; |
| 315 | } |
| 316 | if (xpmformat) { |
| 317 | dataP = ReadXpmPixmap(fp, w, h, colrs, Ncolors, charspp); |
| 318 | return (dataP); |
| 319 | } |
| 320 | if (*w == 0) { |
| 321 | fprintf(stderr, "Invalid width.\n"); |
| 322 | return ((unsigned char *) NULL); |
| 323 | } |
| 324 | if (*h == 0) { |
| 325 | fprintf(stderr, "Invalid height.\n"); |
| 326 | return ((unsigned char *) NULL); |
| 327 | } |
| 328 | padding = 0; |
| 329 | if (((*w % 16) >= 1) && ((*w % 16) <= 8) && version10p) { |
| 330 | padding = 1; |
| 331 | } |
| 332 | bytes_per_line = ((*w + 7) / 8) + padding; |
| 333 | raster_length = bytes_per_line * *h; |
| 334 | dataP = (unsigned char *) malloc((*w) * (*h)); |
| 335 | if (dataP == NULL) { |
| 336 | fprintf(stderr, "Not enough memory.\n"); |
| 337 | return ((unsigned char *) NULL); |
| 338 | } |
| 339 | ptr = dataP; |
| 340 | if (version10p) { |
| 341 | int cnt = 0; |
| 342 | int lim = (bytes_per_line - padding) * 8; |
| 343 | for (bytes = 0; bytes < raster_length; bytes += 2) { |
| 344 | if (fscanf(fp, " 0x%x%*[,}]%*[ \n]", &value) != 1) { |
| 345 | fprintf(stderr, "Error scanning bits item.\n"); |
| 346 | return ((unsigned char *) NULL); |
| 347 | } |
| 348 | temp = value; |
| 349 | value = temp & 0xff; |
| 350 | for (i = 0; i < 8; i++) { |
| 351 | if (cnt < (*w)) { |
| 352 | if (value & nibMask[i]) |
| 353 | *ptr++ = blackbit; |
| 354 | else |
| 355 | *ptr++ = whitebit; |
| 356 | } |
| 357 | if (++cnt >= lim) |
| 358 | cnt = 0; |
| 359 | } |
| 360 | if ((!padding) || ((bytes + 2) % bytes_per_line)) { |
| 361 | value = temp >> 8; |
| 362 | for (i = 0; i < 8; i++) { |
| 363 | if (cnt < (*w)) { |
| 364 | if (value & nibMask[i]) |
| 365 | *ptr++ = blackbit; |
| 366 | else |
| 367 | *ptr++ = whitebit; |
| 368 | } |
| 369 | if (++cnt >= lim) |
| 370 | cnt = 0; |
| 371 | } |
| 372 | } |
| 373 | } |
| 374 | } else { |
| 375 | int cnt = 0; |
| 376 | int lim = bytes_per_line * 8; |
| 377 | for (bytes = 0; bytes < raster_length; bytes++) { |
| 378 | if (fscanf(fp, " 0x%x%*[,}]%*[ \n]", &value) != 1) { |
| 379 | fprintf(stderr, "Error scanning bits item.\n"); |
| 380 | return ((unsigned char *) NULL); |
| 381 | } |
| 382 | for (i = 0; i < 8; i++) { |
| 383 | if (cnt < (*w)) { |
| 384 | if (value & nibMask[i]) |
| 385 | *ptr++ = blackbit; |
| 386 | else |
| 387 | *ptr++ = whitebit; |
| 388 | } |
| 389 | if (++cnt >= lim) |
| 390 | cnt = 0; |
| 391 | } |
| 392 | } |
| 393 | } |
| 394 | NumColors = 2; |
| 395 | return (dataP); |
| 396 | } |
| 397 | |
| 398 | |
| 399 | unsigned char * |
| 400 | ReadEbmBitmap(fp, w, h, colrs) |
| 401 | FILE *fp; |
| 402 | int *w, *h; |
| 403 | struct colr_data *colrs; |
| 404 | { |
| 405 | int i, temp, scale; |
| 406 | unsigned int bmap_size; |
| 407 | int *ptr[3]; |
| 408 | int red, green, blue; |
| 409 | char line[1024]; |
| 410 | unsigned char *bit_data; |
| 411 | unsigned char *bitp; |
| 412 | |
| 413 | bit_data = NULL; |
| 414 | *w = 0; |
| 415 | *h = 0; |
| 416 | |
| 417 | if ((fscanf(fp, "%12s %d %d %d\n", line, w, h, &scale) == 4) && |
| 418 | (strcmp(line, "xstitch_data") == 0)) { |
| 419 | for (i = 0; i < 3; i++) { |
| 420 | fscanf(fp, "%s", line); |
| 421 | if (strcmp(line, "red") == 0) { |
| 422 | ptr[i] = &red; |
| 423 | } else if (strcmp(line, "green") == 0) { |
| 424 | ptr[i] = &green; |
| 425 | } else if (strcmp(line, "blue") == 0) { |
| 426 | ptr[i] = &blue; |
| 427 | } else { |
| 428 | fprintf(stderr, "File has improper format\n"); |
| 429 | return ((unsigned char *) NULL); |
| 430 | } |
| 431 | } |
| 432 | fscanf(fp, "[^\n]\n"); |
| 433 | for (i = 0; i < scale; i++) { |
| 434 | line[0] = '\0'; |
| 435 | if (fscanf(fp, "%d %d %d%[^\n]\n", ptr[0], ptr[1], ptr[2], line) < 3) { |
| 436 | fprintf(stderr, "Bad color data #%d\n", i); |
| 437 | } |
| 438 | colrs[i].red = red * 65536 / scale; |
| 439 | colrs[i].green = green * 65536 / scale; |
| 440 | colrs[i].blue = blue * 65536 / scale; |
| 441 | } |
| 442 | for (i = scale; i < 256; i++) { |
| 443 | colrs[i].red = 0; |
| 444 | colrs[i].green = 0; |
| 445 | colrs[i].blue = 0; |
| 446 | } |
| 447 | |
| 448 | bmap_size = (*w) * (*h); |
| 449 | bit_data = (unsigned char *) malloc(bmap_size); |
| 450 | if (bit_data == NULL) { |
| 451 | fprintf(stderr, "Cannot allocate space for bitmap\n"); |
| 452 | } |
| 453 | bitp = bit_data; |
| 454 | for (i = 0; i < bmap_size; i++) { |
| 455 | if (dscan(fp, &temp) == -1) |
| 456 | break; |
| 457 | if (temp > (256 - 1)) |
| 458 | temp = 0; |
| 459 | *bitp = (unsigned char) temp; |
| 460 | bitp++; |
| 461 | } |
| 462 | } else { |
| 463 | return ((unsigned char *) NULL); |
| 464 | } |
| 465 | NumColors = scale; |
| 466 | return (bit_data); |
| 467 | } |
| 468 | |
| 469 | |
| 470 | int |
| 471 | swapint(in) |
| 472 | int in; |
| 473 | { |
| 474 | int out; |
| 475 | |
| 476 | out = 0; |
| 477 | out = out | ((in >> 24) & 0xff); |
| 478 | out = out | ((in >> 8) & 0xff00); |
| 479 | out = out | ((in << 8) & 0xff0000); |
| 480 | out = out | ((in << 24) & 0xff000000); |
| 481 | return (out); |
| 482 | } |
| 483 | |
| 484 | |
| 485 | unsigned char * |
| 486 | ReadCompactEbmBitmap(fp, w, h, colrs) |
| 487 | FILE *fp; |
| 488 | int *w, *h; |
| 489 | struct colr_data *colrs; |
| 490 | { |
| 491 | int i, scale; |
| 492 | unsigned int bmap_size; |
| 493 | char pix_file[1024]; |
| 494 | unsigned char *bit_data; |
| 495 | unsigned char *bitp; |
| 496 | struct ebmhdr Hdr; |
| 497 | struct rgb_color color_data; |
| 498 | int doswap; |
| 499 | |
| 500 | doswap = 0; |
| 501 | bit_data = NULL; |
| 502 | *w = 0; |
| 503 | *h = 0; |
| 504 | |
| 505 | fread(&Hdr, sizeof(struct ebmhdr), 1, fp); |
| 506 | if (strcmp(Hdr.magic, "xstitch") == 0) { |
| 507 | /* |
| 508 | * a horrible hack to deal with different byte ordering on |
| 509 | * different machines. Is based on assumption of only 2 |
| 510 | * possible byte orderings, and never more than 256 colors. |
| 511 | */ |
| 512 | if (Hdr.num_colors > 256) { |
| 513 | doswap = 1; |
| 514 | Hdr.width = swapint(Hdr.width); |
| 515 | Hdr.height = swapint(Hdr.height); |
| 516 | Hdr.num_colors = swapint(Hdr.num_colors); |
| 517 | } |
| 518 | |
| 519 | *w = Hdr.width; |
| 520 | *h = Hdr.height; |
| 521 | scale = Hdr.num_colors; |
| 522 | for (i = 0; i < Hdr.num_colors; i++) { |
| 523 | fread(&color_data, sizeof(struct rgb_color), 1, fp); |
| 524 | if (doswap) { |
| 525 | color_data.red = swapint(color_data.red); |
| 526 | color_data.green = swapint(color_data.green); |
| 527 | color_data.blue = swapint(color_data.blue); |
| 528 | color_data.pix_len = swapint(color_data.pix_len); |
| 529 | } |
| 530 | colrs[i].red = color_data.red * 65536 / scale; |
| 531 | colrs[i].green = color_data.green * 65536 / scale; |
| 532 | colrs[i].blue = color_data.blue * 65536 / scale; |
| 533 | if (color_data.pix_len != 0) { |
| 534 | if (color_data.pix_len > 1023) { |
| 535 | fprintf(stderr, "bad pattern\n"); |
| 536 | return ((unsigned char *) NULL); |
| 537 | } |
| 538 | fread(pix_file, sizeof(char), color_data.pix_len, fp); |
| 539 | } |
| 540 | } |
| 541 | for (i = scale; i < 256; i++) { |
| 542 | colrs[i].red = 0; |
| 543 | colrs[i].green = 0; |
| 544 | colrs[i].blue = 0; |
| 545 | } |
| 546 | |
| 547 | bmap_size = (*w) * (*h); |
| 548 | bit_data = (unsigned char *) malloc(bmap_size); |
| 549 | if (bit_data == NULL) { |
| 550 | fprintf(stderr, "Cannot allocate space for bitmap\n"); |
| 551 | } |
| 552 | fread(bit_data, sizeof(unsigned char), ((*w) * (*h)), fp); |
| 553 | |
| 554 | bitp = bit_data; |
| 555 | for (i = 0; i < bmap_size; i++) { |
| 556 | if ((int) *bitp > (256 - 1)) |
| 557 | *bitp = (unsigned char) 0; |
| 558 | bitp++; |
| 559 | } |
| 560 | } else { |
| 561 | return ((unsigned char *) NULL); |
| 562 | } |
| 563 | NumColors = scale; |
| 564 | return (bit_data); |
| 565 | } |
| 566 | |
| 567 | |
| 568 | unsigned char * |
| 569 | ReadBitmap(fp, w, h, colrs) |
| 570 | FILE *fp; |
| 571 | int *w, *h; |
| 572 | struct colr_data *colrs; |
| 573 | { |
| 574 | unsigned char *bit_data; |
| 575 | |
| 576 | NumColors = 0; |
| 577 | |
| 578 | if (fp != NULL) { |
| 579 | bit_data = ReadEbmBitmap(fp, w, h, colrs); |
| 580 | if (bit_data != NULL) { |
| 581 | return (bit_data); |
| 582 | } |
| 583 | rewind(fp); |
| 584 | bit_data = ReadCompactEbmBitmap(fp, w, h, colrs); |
| 585 | if (bit_data != NULL) { |
| 586 | return (bit_data); |
| 587 | } |
| 588 | #ifdef GIF |
| 589 | rewind(fp); |
| 590 | bit_data = ReadGifBitmap(fp, w, h, colrs); |
| 591 | if (bit_data != NULL) { |
| 592 | return (bit_data); |
| 593 | } |
| 594 | #endif |
| 595 | rewind(fp); |
| 596 | bit_data = ReadXbmBitmap(fp, w, h, colrs); |
| 597 | if (bit_data != NULL) { |
| 598 | return (bit_data); |
| 599 | } |
| 600 | } |
| 601 | return ((unsigned char *) NULL); |
| 602 | } |