contrib/libarchive/libarchive/test/test_zip_filename_encoding.c

   1 /*-
   2  * Copyright (c) 2011 Michihiro NAKAJIMA
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25 #include "test.h"
  26 __FBSDID("$FreeBSD$");
  27
  28 #include <locale.h>
  29
  30 DEFINE_TEST(test_zip_filename_encoding_UTF8)
  31 {
  32         struct archive *a;
  33         struct archive_entry *entry;
  34         char buff[4096];
  35         size_t used;
  36
  37         if (NULL == setlocale(LC_ALL, "en_US.UTF-8")) {
  38                 skipping("en_US.UTF-8 locale not available on this system.");
  39                 return;
  40         }
  41
  42         /*
  43          * Verify that UTF-8 filenames are correctly stored with
  44          * hdrcharset=UTF-8 option.
  45          */
  46         a = archive_write_new();
  47         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
  48         if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
  49                 skipping("This system cannot convert character-set"
  50                     " for UTF-8.");
  51                 archive_write_free(a);
  52                 return;
  53         }
  54         assertEqualInt(ARCHIVE_OK,
  55             archive_write_open_memory(a, buff, sizeof(buff), &used));
  56
  57         entry = archive_entry_new2(a);
  58         /* Set a UTF-8 filename. */
  59         archive_entry_set_pathname(entry, "\xD0\xBF\xD1\x80\xD0\xB8");
  60         archive_entry_set_filetype(entry, AE_IFREG);
  61         archive_entry_set_size(entry, 0);
  62         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
  63         archive_entry_free(entry);
  64         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
  65
  66         /* A bit 11 of general purpose flag should be 0x08,
  67          * which indicates the filename charset is UTF-8. */
  68         assertEqualInt(0x08, buff[7]);
  69         assertEqualMem(buff + 30, "\xD0\xBF\xD1\x80\xD0\xB8", 6);
  70
  71         /*
  72          * Verify that UTF-8 filenames are correctly stored without
  73          * hdrcharset=UTF-8 option.
  74          */
  75         a = archive_write_new();
  76         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
  77         assertEqualInt(ARCHIVE_OK,
  78             archive_write_open_memory(a, buff, sizeof(buff), &used));
  79
  80         entry = archive_entry_new2(a);
  81         /* Set a UTF-8 filename. */
  82         archive_entry_set_pathname(entry, "\xD0\xBF\xD1\x80\xD0\xB8");
  83         archive_entry_set_filetype(entry, AE_IFREG);
  84         archive_entry_set_size(entry, 0);
  85         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
  86         archive_entry_free(entry);
  87         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
  88
  89         /* A bit 11 of general purpose flag should be 0x08,
  90          * which indicates the filename charset is UTF-8. */
  91         assertEqualInt(0x08, buff[7]);
  92         assertEqualMem(buff + 30, "\xD0\xBF\xD1\x80\xD0\xB8", 6);
  93
  94         /*
  95          * Verify that A bit 11 of general purpose flag is not set
  96          * when ASCII filenames are stored.
  97          */
  98         a = archive_write_new();
  99         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 100         assertEqualInt(ARCHIVE_OK,
 101             archive_write_open_memory(a, buff, sizeof(buff), &used));
 102
 103         entry = archive_entry_new2(a);
 104         /* Set an ASCII filename. */
 105         archive_entry_set_pathname(entry, "abcABC");
 106         archive_entry_set_filetype(entry, AE_IFREG);
 107         archive_entry_set_size(entry, 0);
 108         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 109         archive_entry_free(entry);
 110         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 111
 112         /* A bit 11 of general purpose flag should be 0,
 113          * which indicates the filename charset is unknown. */
 114         assertEqualInt(0, buff[7]);
 115         assertEqualMem(buff + 30, "abcABC", 6);
 116 }
 117
 118 DEFINE_TEST(test_zip_filename_encoding_KOI8R)
 119 {
 120         struct archive *a;
 121         struct archive_entry *entry;
 122         char buff[4096];
 123         size_t used;
 124
 125         if (NULL == setlocale(LC_ALL, "ru_RU.KOI8-R")) {
 126                 skipping("KOI8-R locale not available on this system.");
 127                 return;
 128         }
 129
 130         /*
 131          * Verify that KOI8-R filenames are correctly translated to UTF-8.
 132          */
 133         a = archive_write_new();
 134         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 135         if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 136                 skipping("This system cannot convert character-set"
 137                     " from KOI8-R to UTF-8.");
 138                 archive_write_free(a);
 139                 return;
 140         }
 141         assertEqualInt(ARCHIVE_OK,
 142             archive_write_open_memory(a, buff, sizeof(buff), &used));
 143
 144         entry = archive_entry_new2(a);
 145         /* Set a KOI8-R filename. */
 146         archive_entry_set_pathname(entry, "\xD0\xD2\xC9");
 147         archive_entry_set_filetype(entry, AE_IFREG);
 148         archive_entry_set_size(entry, 0);
 149         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 150         archive_entry_free(entry);
 151         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 152
 153         /* A bit 11 of general purpose flag should be 0x08,
 154          * which indicates the filename charset is UTF-8. */
 155         assertEqualInt(0x08, buff[7]);
 156         /* Above three characters in KOI8-R should translate to the following
 157          * three characters (two bytes each) in UTF-8. */
 158         assertEqualMem(buff + 30, "\xD0\xBF\xD1\x80\xD0\xB8", 6);
 159
 160         /*
 161          * Verify that KOI8-R filenames are not translated to UTF-8.
 162          */
 163         a = archive_write_new();
 164         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 165         assertEqualInt(ARCHIVE_OK,
 166             archive_write_open_memory(a, buff, sizeof(buff), &used));
 167
 168         entry = archive_entry_new2(a);
 169         /* Set a KOI8-R filename. */
 170         archive_entry_set_pathname(entry, "\xD0\xD2\xC9");
 171         archive_entry_set_filetype(entry, AE_IFREG);
 172         archive_entry_set_size(entry, 0);
 173         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 174         archive_entry_free(entry);
 175         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 176
 177         /* A bit 11 of general purpose flag should be 0,
 178          * which indicates the filename charset is unknown. */
 179         assertEqualInt(0, buff[7]);
 180         /* Above three characters in KOI8-R should not translate to
 181          * any character-set. */
 182         assertEqualMem(buff + 30, "\xD0\xD2\xC9", 3);
 183
 184         /*
 185          * Verify that A bit 11 of general purpose flag is not set
 186          * when ASCII filenames are stored even if hdrcharset=UTF-8
 187          * is specified.
 188          */
 189         a = archive_write_new();
 190         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 191         if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 192                 skipping("This system cannot convert character-set"
 193                     " from KOI8-R to UTF-8.");
 194                 archive_write_free(a);
 195                 return;
 196         }
 197         assertEqualInt(ARCHIVE_OK,
 198             archive_write_open_memory(a, buff, sizeof(buff), &used));
 199
 200         entry = archive_entry_new2(a);
 201         /* Set an ASCII filename. */
 202         archive_entry_set_pathname(entry, "abcABC");
 203         archive_entry_set_filetype(entry, AE_IFREG);
 204         archive_entry_set_size(entry, 0);
 205         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 206         archive_entry_free(entry);
 207         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 208
 209         /* A bit 11 of general purpose flag should be 0,
 210          * which indicates the filename charset is unknown. */
 211         assertEqualInt(0, buff[7]);
 212         assertEqualMem(buff + 30, "abcABC", 6);
 213 }
 214
 215 /*
 216  * Do not translate CP1251 into CP866 if non Windows platform.
 217  */
 218 DEFINE_TEST(test_zip_filename_encoding_ru_RU_CP1251)
 219 {
 220         struct archive *a;
 221         struct archive_entry *entry;
 222         char buff[4096];
 223         size_t used;
 224
 225         if (NULL == setlocale(LC_ALL, "ru_RU.CP1251")) {
 226                 skipping("Russian_Russia locale not available on this system.");
 227                 return;
 228         }
 229
 230         /*
 231          * Verify that CP1251 filenames are not translated into any
 232          * other character-set, in particular, CP866.
 233          */
 234         a = archive_write_new();
 235         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 236         assertEqualInt(ARCHIVE_OK,
 237             archive_write_open_memory(a, buff, sizeof(buff), &used));
 238
 239         entry = archive_entry_new2(a);
 240         /* Set a CP1251 filename. */
 241         archive_entry_set_pathname(entry, "\xEF\xF0\xE8");
 242         archive_entry_set_filetype(entry, AE_IFREG);
 243         archive_entry_set_size(entry, 0);
 244         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 245         archive_entry_free(entry);
 246         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 247
 248         /* A bit 11 of general purpose flag should be 0,
 249          * which indicates the filename charset is unknown. */
 250         assertEqualInt(0, buff[7]);
 251         /* Above three characters in CP1251 should not translate into
 252          * any other character-set. */
 253         assertEqualMem(buff + 30, "\xEF\xF0\xE8", 3);
 254 }
 255
 256 /*
 257  * Other archiver applications on Windows translate CP1251 filenames
 258  * into CP866 filenames and store it in the zip file.
 259  * Test above behavior works well.
 260  */
 261 DEFINE_TEST(test_zip_filename_encoding_Russian_Russia)
 262 {
 263         struct archive *a;
 264         struct archive_entry *entry;
 265         char buff[4096];
 266         size_t used;
 267
 268         if (NULL == setlocale(LC_ALL, "Russian_Russia")) {
 269                 skipping("Russian_Russia locale not available on this system.");
 270                 return;
 271         }
 272
 273         /*
 274          * Verify that Russian_Russia(CP1251) filenames are correctly translated
 275          * to UTF-8.
 276          */
 277         a = archive_write_new();
 278         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 279         if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 280                 skipping("This system cannot convert character-set"
 281                     " from Russian_Russia.CP1251 to UTF-8.");
 282                 archive_write_free(a);
 283                 return;
 284         }
 285         assertEqualInt(ARCHIVE_OK,
 286             archive_write_open_memory(a, buff, sizeof(buff), &used));
 287
 288         entry = archive_entry_new2(a);
 289         /* Set a CP1251 filename. */
 290         archive_entry_set_pathname(entry, "\xEF\xF0\xE8");
 291         archive_entry_set_filetype(entry, AE_IFREG);
 292         archive_entry_set_size(entry, 0);
 293         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 294         archive_entry_free(entry);
 295         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 296
 297         /* A bit 11 of general purpose flag should be 0x08,
 298          * which indicates the filename charset is UTF-8. */
 299         assertEqualInt(0x08, buff[7]);
 300         /* Above three characters in CP1251 should translate to the following
 301          * three characters (two bytes each) in UTF-8. */
 302         assertEqualMem(buff + 30, "\xD0\xBF\xD1\x80\xD0\xB8", 6);
 303
 304         /*
 305          * Verify that Russian_Russia(CP1251) filenames are correctly translated
 306          * to CP866.
 307          */
 308         a = archive_write_new();
 309         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 310         assertEqualInt(ARCHIVE_OK,
 311             archive_write_open_memory(a, buff, sizeof(buff), &used));
 312
 313         entry = archive_entry_new2(a);
 314         /* Set a CP1251 filename. */
 315         archive_entry_set_pathname(entry, "\xEF\xF0\xE8");
 316         archive_entry_set_filetype(entry, AE_IFREG);
 317         archive_entry_set_size(entry, 0);
 318         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 319         archive_entry_free(entry);
 320         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 321
 322         /* A bit 11 of general purpose flag should be 0,
 323          * which indicates the filename charset is unknown. */
 324         assertEqualInt(0, buff[7]);
 325         /* Above three characters in CP1251 should translate to the following
 326          * three characters in CP866. */
 327         assertEqualMem(buff + 30, "\xAF\xE0\xA8", 3);
 328 }
 329
 330 DEFINE_TEST(test_zip_filename_encoding_EUCJP)
 331 {
 332         struct archive *a;
 333         struct archive_entry *entry;
 334         char buff[4096];
 335         size_t used;
 336
 337         if (NULL == setlocale(LC_ALL, "ja_JP.eucJP")) {
 338                 skipping("eucJP locale not available on this system.");
 339                 return;
 340         }
 341
 342         /*
 343          * Verify that EUC-JP filenames are correctly translated to UTF-8.
 344          */
 345         a = archive_write_new();
 346         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 347         if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 348                 skipping("This system cannot convert character-set"
 349                     " from eucJP to UTF-8.");
 350                 archive_write_free(a);
 351                 return;
 352         }
 353         assertEqualInt(ARCHIVE_OK,
 354             archive_write_open_memory(a, buff, sizeof(buff), &used));
 355
 356         entry = archive_entry_new2(a);
 357         /* Set an EUC-JP filename. */
 358         archive_entry_set_pathname(entry, "\xC9\xBD.txt");
 359         /* Check the Unicode version. */
 360         archive_entry_set_filetype(entry, AE_IFREG);
 361         archive_entry_set_size(entry, 0);
 362         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 363         archive_entry_free(entry);
 364         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 365
 366         /* A bit 11 of general purpose flag should be 0x08,
 367          * which indicates the filename charset is UTF-8. */
 368         assertEqualInt(0x08, buff[7]);
 369         /* Check UTF-8 version. */
 370         assertEqualMem(buff + 30, "\xE8\xA1\xA8.txt", 7);
 371
 372         /*
 373          * Verify that EUC-JP filenames are not translated to UTF-8.
 374          */
 375         a = archive_write_new();
 376         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 377         assertEqualInt(ARCHIVE_OK,
 378             archive_write_open_memory(a, buff, sizeof(buff), &used));
 379
 380         entry = archive_entry_new2(a);
 381         /* Set an EUC-JP filename. */
 382         archive_entry_set_pathname(entry, "\xC9\xBD.txt");
 383         /* Check the Unicode version. */
 384         archive_entry_set_filetype(entry, AE_IFREG);
 385         archive_entry_set_size(entry, 0);
 386         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 387         archive_entry_free(entry);
 388         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 389
 390         /* A bit 11 of general purpose flag should be 0,
 391          * which indicates the filename charset is unknown. */
 392         assertEqualInt(0, buff[7]);
 393         /* Above three characters in EUC-JP should not translate to
 394          * any character-set. */
 395         assertEqualMem(buff + 30, "\xC9\xBD.txt", 6);
 396
 397         /*
 398          * Verify that A bit 11 of general purpose flag is not set
 399          * when ASCII filenames are stored even if hdrcharset=UTF-8
 400          * is specified.
 401          */
 402         a = archive_write_new();
 403         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 404         if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 405                 skipping("This system cannot convert character-set"
 406                     " from eucJP to UTF-8.");
 407                 archive_write_free(a);
 408                 return;
 409         }
 410         assertEqualInt(ARCHIVE_OK,
 411             archive_write_open_memory(a, buff, sizeof(buff), &used));
 412
 413         entry = archive_entry_new2(a);
 414         /* Set an ASCII filename. */
 415         archive_entry_set_pathname(entry, "abcABC");
 416         /* Check the Unicode version. */
 417         archive_entry_set_filetype(entry, AE_IFREG);
 418         archive_entry_set_size(entry, 0);
 419         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 420         archive_entry_free(entry);
 421         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 422
 423         /* A bit 11 of general purpose flag should be 0,
 424          * which indicates the filename charset is unknown. */
 425         assertEqualInt(0, buff[7]);
 426         assertEqualMem(buff + 30, "abcABC", 6);
 427 }
 428
 429 DEFINE_TEST(test_zip_filename_encoding_CP932)
 430 {
 431         struct archive *a;
 432         struct archive_entry *entry;
 433         char buff[4096];
 434         size_t used;
 435
 436         if (NULL == setlocale(LC_ALL, "Japanese_Japan") &&
 437             NULL == setlocale(LC_ALL, "ja_JP.SJIS")) {
 438                 skipping("CP932/SJIS locale not available on this system.");
 439                 return;
 440         }
 441
 442         /*
 443          * Verify that EUC-JP filenames are correctly translated to UTF-8.
 444          */
 445         a = archive_write_new();
 446         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 447         if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 448                 skipping("This system cannot convert character-set"
 449                     " from CP932/SJIS to UTF-8.");
 450                 archive_write_free(a);
 451                 return;
 452         }
 453         assertEqualInt(ARCHIVE_OK,
 454             archive_write_open_memory(a, buff, sizeof(buff), &used));
 455
 456         entry = archive_entry_new2(a);
 457         /* Set a CP932/SJIS filename. */
 458         archive_entry_set_pathname(entry, "\x95\x5C.txt");
 459         /* Check the Unicode version. */
 460         archive_entry_set_filetype(entry, AE_IFREG);
 461         archive_entry_set_size(entry, 0);
 462         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 463         archive_entry_free(entry);
 464         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 465
 466         /* A bit 11 of general purpose flag should be 0x08,
 467          * which indicates the filename charset is UTF-8. */
 468         assertEqualInt(0x08, buff[7]);
 469         /* Check UTF-8 version. */
 470         assertEqualMem(buff + 30, "\xE8\xA1\xA8.txt", 7);
 471
 472         /*
 473          * Verify that CP932/SJIS filenames are not translated to UTF-8.
 474          */
 475         a = archive_write_new();
 476         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 477         assertEqualInt(ARCHIVE_OK,
 478             archive_write_open_memory(a, buff, sizeof(buff), &used));
 479
 480         entry = archive_entry_new2(a);
 481         /* Set a CP932/SJIS filename. */
 482         archive_entry_set_pathname(entry, "\x95\x5C.txt");
 483         /* Check the Unicode version. */
 484         archive_entry_set_filetype(entry, AE_IFREG);
 485         archive_entry_set_size(entry, 0);
 486         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 487         archive_entry_free(entry);
 488         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 489
 490         /* A bit 11 of general purpose flag should be 0,
 491          * which indicates the filename charset is unknown. */
 492         assertEqualInt(0, buff[7]);
 493         /* Above three characters in CP932/SJIS should not translate to
 494          * any character-set. */
 495         assertEqualMem(buff + 30, "\x95\x5C.txt", 6);
 496
 497         /*
 498          * Verify that A bit 11 of general purpose flag is not set
 499          * when ASCII filenames are stored even if hdrcharset=UTF-8
 500          * is specified.
 501          */
 502         a = archive_write_new();
 503         assertEqualInt(ARCHIVE_OK, archive_write_set_format_zip(a));
 504         if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 505                 skipping("This system cannot convert character-set"
 506                     " from CP932/SJIS to UTF-8.");
 507                 archive_write_free(a);
 508                 return;
 509         }
 510         assertEqualInt(ARCHIVE_OK,
 511             archive_write_open_memory(a, buff, sizeof(buff), &used));
 512
 513         entry = archive_entry_new2(a);
 514         /* Set an ASCII filename. */
 515         archive_entry_set_pathname(entry, "abcABC");
 516         /* Check the Unicode version. */
 517         archive_entry_set_filetype(entry, AE_IFREG);
 518         archive_entry_set_size(entry, 0);
 519         assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 520         archive_entry_free(entry);
 521         assertEqualInt(ARCHIVE_OK, archive_write_free(a));
 522
 523         /* A bit 11 of general purpose flag should be 0,
 524          * which indicates the filename charset is unknown. */
 525         assertEqualInt(0, buff[7]);
 526         assertEqualMem(buff + 30, "abcABC", 6);
 527 }