| 1 | /* |
| 2 | miniunz.c |
| 3 | Version 1.1, February 14h, 2010 |
| 4 | sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html ) |
| 5 | |
| 6 | Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html ) |
| 7 | |
| 8 | Modifications of Unzip for Zip64 |
| 9 | Copyright (C) 2007-2008 Even Rouault |
| 10 | |
| 11 | Modifications for Zip64 support on both zip and unzip |
| 12 | Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com ) |
| 13 | */ |
| 14 | |
| 15 | #if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__)) |
| 16 | #ifndef __USE_FILE_OFFSET64 |
| 17 | #define __USE_FILE_OFFSET64 |
| 18 | #endif |
| 19 | #ifndef __USE_LARGEFILE64 |
| 20 | #define __USE_LARGEFILE64 |
| 21 | #endif |
| 22 | #ifndef _LARGEFILE64_SOURCE |
| 23 | #define _LARGEFILE64_SOURCE |
| 24 | #endif |
| 25 | #ifndef _FILE_OFFSET_BIT |
| 26 | #define _FILE_OFFSET_BIT 64 |
| 27 | #endif |
| 28 | #endif |
| 29 | |
| 30 | #ifdef __APPLE__ |
| 31 | // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions |
| 32 | #define FOPEN_FUNC(filename, mode) fopen(filename, mode) |
| 33 | #define FTELLO_FUNC(stream) ftello(stream) |
| 34 | #define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin) |
| 35 | #else |
| 36 | #define FOPEN_FUNC(filename, mode) fopen64(filename, mode) |
| 37 | #define FTELLO_FUNC(stream) ftello64(stream) |
| 38 | #define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin) |
| 39 | #endif |
| 40 | |
| 41 | |
| 42 | #include <stdio.h> |
| 43 | #include <stdlib.h> |
| 44 | #include <string.h> |
| 45 | #include <time.h> |
| 46 | #include <errno.h> |
| 47 | #include <fcntl.h> |
| 48 | #include <sys/stat.h> |
| 49 | |
| 50 | #ifdef _WIN32 |
| 51 | # include <direct.h> |
| 52 | # include <io.h> |
| 53 | #else |
| 54 | # include <unistd.h> |
| 55 | # include <utime.h> |
| 56 | #endif |
| 57 | |
| 58 | |
| 59 | #include "unzip.h" |
| 60 | |
| 61 | #define CASESENSITIVITY (0) |
| 62 | #define WRITEBUFFERSIZE (8192) |
| 63 | #define MAXFILENAME (256) |
| 64 | |
| 65 | #ifdef _WIN32 |
| 66 | #define USEWIN32IOAPI |
| 67 | #include "iowin32.h" |
| 68 | #endif |
| 69 | /* |
| 70 | mini unzip, demo of unzip package |
| 71 | |
| 72 | usage : |
| 73 | Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir] |
| 74 | |
| 75 | list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT |
| 76 | if it exists |
| 77 | */ |
| 78 | |
| 79 | |
| 80 | /* change_file_date : change the date/time of a file |
| 81 | filename : the filename of the file where date/time must be modified |
| 82 | dosdate : the new date at the MSDos format (4 bytes) |
| 83 | tmu_date : the SAME new date at the tm_unz format */ |
| 84 | static void change_file_date(filename,dosdate,tmu_date) |
| 85 | const char *filename; |
| 86 | uLong dosdate; |
| 87 | tm_unz tmu_date; |
| 88 | { |
| 89 | #ifdef _WIN32 |
| 90 | HANDLE hFile; |
| 91 | FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; |
| 92 | |
| 93 | hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE, |
| 94 | 0,NULL,OPEN_EXISTING,0,NULL); |
| 95 | GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite); |
| 96 | DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal); |
| 97 | LocalFileTimeToFileTime(&ftLocal,&ftm); |
| 98 | SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); |
| 99 | CloseHandle(hFile); |
| 100 | #else |
| 101 | #if defined(unix) || defined(__APPLE__) |
| 102 | (void)dosdate; |
| 103 | struct utimbuf ut; |
| 104 | struct tm newdate; |
| 105 | newdate.tm_sec = tmu_date.tm_sec; |
| 106 | newdate.tm_min=tmu_date.tm_min; |
| 107 | newdate.tm_hour=tmu_date.tm_hour; |
| 108 | newdate.tm_mday=tmu_date.tm_mday; |
| 109 | newdate.tm_mon=tmu_date.tm_mon; |
| 110 | if (tmu_date.tm_year > 1900) |
| 111 | newdate.tm_year=tmu_date.tm_year - 1900; |
| 112 | else |
| 113 | newdate.tm_year=tmu_date.tm_year ; |
| 114 | newdate.tm_isdst=-1; |
| 115 | |
| 116 | ut.actime=ut.modtime=mktime(&newdate); |
| 117 | utime(filename,&ut); |
| 118 | #endif |
| 119 | #endif |
| 120 | } |
| 121 | |
| 122 | |
| 123 | /* mymkdir and change_file_date are not 100 % portable |
| 124 | As I don't know well Unix, I wait feedback for the unix portion */ |
| 125 | |
| 126 | static int mymkdir(dirname) |
| 127 | const char* dirname; |
| 128 | { |
| 129 | int ret=0; |
| 130 | #ifdef _WIN32 |
| 131 | ret = _mkdir(dirname); |
| 132 | #elif unix |
| 133 | ret = mkdir (dirname,0775); |
| 134 | #elif __APPLE__ |
| 135 | ret = mkdir (dirname,0775); |
| 136 | #endif |
| 137 | return ret; |
| 138 | } |
| 139 | |
| 140 | static int makedir (newdir) |
| 141 | const char *newdir; |
| 142 | { |
| 143 | char *buffer ; |
| 144 | char *p; |
| 145 | size_t len = strlen(newdir); |
| 146 | |
| 147 | if (len == 0) |
| 148 | return 0; |
| 149 | |
| 150 | buffer = (char*)malloc(len+1); |
| 151 | if (buffer==NULL) |
| 152 | { |
| 153 | printf("Error allocating memory\n"); |
| 154 | return UNZ_INTERNALERROR; |
| 155 | } |
| 156 | strcpy(buffer,newdir); |
| 157 | |
| 158 | if (buffer[len-1] == '/') { |
| 159 | buffer[len-1] = '\0'; |
| 160 | } |
| 161 | if (mymkdir(buffer) == 0) |
| 162 | { |
| 163 | free(buffer); |
| 164 | return 1; |
| 165 | } |
| 166 | |
| 167 | p = buffer+1; |
| 168 | while (1) |
| 169 | { |
| 170 | char hold; |
| 171 | |
| 172 | while(*p && *p != '\\' && *p != '/') |
| 173 | p++; |
| 174 | hold = *p; |
| 175 | *p = 0; |
| 176 | if ((mymkdir(buffer) == -1) && (errno == ENOENT)) |
| 177 | { |
| 178 | printf("couldn't create directory %s\n",buffer); |
| 179 | free(buffer); |
| 180 | return 0; |
| 181 | } |
| 182 | if (hold == 0) |
| 183 | break; |
| 184 | *p++ = hold; |
| 185 | } |
| 186 | free(buffer); |
| 187 | return 1; |
| 188 | } |
| 189 | |
| 190 | static void do_banner() |
| 191 | { |
| 192 | printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n"); |
| 193 | printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); |
| 194 | } |
| 195 | |
| 196 | static void do_help() |
| 197 | { |
| 198 | printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ |
| 199 | " -e Extract without pathname (junk paths)\n" \ |
| 200 | " -x Extract with pathname\n" \ |
| 201 | " -v list files\n" \ |
| 202 | " -l list files\n" \ |
| 203 | " -d directory to extract into\n" \ |
| 204 | " -o overwrite files without prompting\n" \ |
| 205 | " -p extract crypted file using password\n\n"); |
| 206 | } |
| 207 | |
| 208 | static void Display64BitsSize(ZPOS64_T n, int size_char) |
| 209 | { |
| 210 | /* to avoid compatibility problem , we do here the conversion */ |
| 211 | char number[21]; |
| 212 | int offset=19; |
| 213 | int pos_string = 19; |
| 214 | number[20]=0; |
| 215 | for (;;) { |
| 216 | number[offset]=(char)((n%10)+'0'); |
| 217 | if (number[offset] != '0') |
| 218 | pos_string=offset; |
| 219 | n/=10; |
| 220 | if (offset==0) |
| 221 | break; |
| 222 | offset--; |
| 223 | } |
| 224 | { |
| 225 | int size_display_string = 19-pos_string; |
| 226 | while (size_char > size_display_string) |
| 227 | { |
| 228 | size_char--; |
| 229 | printf(" "); |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | printf("%s",&number[pos_string]); |
| 234 | } |
| 235 | |
| 236 | static int do_list(uf) |
| 237 | unzFile uf; |
| 238 | { |
| 239 | uLong i; |
| 240 | unz_global_info64 gi; |
| 241 | int err; |
| 242 | |
| 243 | err = unzGetGlobalInfo64(uf,&gi); |
| 244 | if (err!=UNZ_OK) |
| 245 | printf("error %d with zipfile in unzGetGlobalInfo \n",err); |
| 246 | printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); |
| 247 | printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); |
| 248 | for (i=0;i<gi.number_entry;i++) |
| 249 | { |
| 250 | char filename_inzip[256]; |
| 251 | unz_file_info64 file_info; |
| 252 | uLong ratio=0; |
| 253 | const char *string_method; |
| 254 | char charCrypt=' '; |
| 255 | err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); |
| 256 | if (err!=UNZ_OK) |
| 257 | { |
| 258 | printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); |
| 259 | break; |
| 260 | } |
| 261 | if (file_info.uncompressed_size>0) |
| 262 | ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size); |
| 263 | |
| 264 | /* display a '*' if the file is crypted */ |
| 265 | if ((file_info.flag & 1) != 0) |
| 266 | charCrypt='*'; |
| 267 | |
| 268 | if (file_info.compression_method==0) |
| 269 | string_method="Stored"; |
| 270 | else |
| 271 | if (file_info.compression_method==Z_DEFLATED) |
| 272 | { |
| 273 | uInt iLevel=(uInt)((file_info.flag & 0x6)/2); |
| 274 | if (iLevel==0) |
| 275 | string_method="Defl:N"; |
| 276 | else if (iLevel==1) |
| 277 | string_method="Defl:X"; |
| 278 | else if ((iLevel==2) || (iLevel==3)) |
| 279 | string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ |
| 280 | } |
| 281 | else |
| 282 | if (file_info.compression_method==Z_BZIP2ED) |
| 283 | { |
| 284 | string_method="BZip2 "; |
| 285 | } |
| 286 | else |
| 287 | string_method="Unkn. "; |
| 288 | |
| 289 | Display64BitsSize(file_info.uncompressed_size,7); |
| 290 | printf(" %6s%c",string_method,charCrypt); |
| 291 | Display64BitsSize(file_info.compressed_size,7); |
| 292 | printf(" %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", |
| 293 | ratio, |
| 294 | (uLong)file_info.tmu_date.tm_mon + 1, |
| 295 | (uLong)file_info.tmu_date.tm_mday, |
| 296 | (uLong)file_info.tmu_date.tm_year % 100, |
| 297 | (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min, |
| 298 | (uLong)file_info.crc,filename_inzip); |
| 299 | if ((i+1)<gi.number_entry) |
| 300 | { |
| 301 | err = unzGoToNextFile(uf); |
| 302 | if (err!=UNZ_OK) |
| 303 | { |
| 304 | printf("error %d with zipfile in unzGoToNextFile\n",err); |
| 305 | break; |
| 306 | } |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | return 0; |
| 311 | } |
| 312 | |
| 313 | |
| 314 | static int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) |
| 315 | unzFile uf; |
| 316 | const int* popt_extract_without_path; |
| 317 | int* popt_overwrite; |
| 318 | const char* password; |
| 319 | { |
| 320 | char filename_inzip[256]; |
| 321 | char* filename_withoutpath; |
| 322 | char* p; |
| 323 | int err=UNZ_OK; |
| 324 | FILE *fout=NULL; |
| 325 | void* buf; |
| 326 | uInt size_buf; |
| 327 | |
| 328 | unz_file_info64 file_info; |
| 329 | err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); |
| 330 | |
| 331 | if (err!=UNZ_OK) |
| 332 | { |
| 333 | printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); |
| 334 | return err; |
| 335 | } |
| 336 | |
| 337 | size_buf = WRITEBUFFERSIZE; |
| 338 | buf = (void*)malloc(size_buf); |
| 339 | if (buf==NULL) |
| 340 | { |
| 341 | printf("Error allocating memory\n"); |
| 342 | return UNZ_INTERNALERROR; |
| 343 | } |
| 344 | |
| 345 | p = filename_withoutpath = filename_inzip; |
| 346 | while ((*p) != '\0') |
| 347 | { |
| 348 | if (((*p)=='/') || ((*p)=='\\')) |
| 349 | filename_withoutpath = p+1; |
| 350 | p++; |
| 351 | } |
| 352 | |
| 353 | if ((*filename_withoutpath)=='\0') |
| 354 | { |
| 355 | if ((*popt_extract_without_path)==0) |
| 356 | { |
| 357 | printf("creating directory: %s\n",filename_inzip); |
| 358 | mymkdir(filename_inzip); |
| 359 | } |
| 360 | } |
| 361 | else |
| 362 | { |
| 363 | const char* write_filename; |
| 364 | int skip=0; |
| 365 | |
| 366 | if ((*popt_extract_without_path)==0) |
| 367 | write_filename = filename_inzip; |
| 368 | else |
| 369 | write_filename = filename_withoutpath; |
| 370 | |
| 371 | err = unzOpenCurrentFilePassword(uf,password); |
| 372 | if (err!=UNZ_OK) |
| 373 | { |
| 374 | printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err); |
| 375 | } |
| 376 | |
| 377 | if (((*popt_overwrite)==0) && (err==UNZ_OK)) |
| 378 | { |
| 379 | char rep=0; |
| 380 | FILE* ftestexist; |
| 381 | ftestexist = FOPEN_FUNC(write_filename,"rb"); |
| 382 | if (ftestexist!=NULL) |
| 383 | { |
| 384 | fclose(ftestexist); |
| 385 | do |
| 386 | { |
| 387 | char answer[128]; |
| 388 | int ret; |
| 389 | |
| 390 | printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename); |
| 391 | ret = scanf("%1s",answer); |
| 392 | if (ret != 1) |
| 393 | { |
| 394 | exit(EXIT_FAILURE); |
| 395 | } |
| 396 | rep = answer[0] ; |
| 397 | if ((rep>='a') && (rep<='z')) |
| 398 | rep -= 0x20; |
| 399 | } |
| 400 | while ((rep!='Y') && (rep!='N') && (rep!='A')); |
| 401 | } |
| 402 | |
| 403 | if (rep == 'N') |
| 404 | skip = 1; |
| 405 | |
| 406 | if (rep == 'A') |
| 407 | *popt_overwrite=1; |
| 408 | } |
| 409 | |
| 410 | if ((skip==0) && (err==UNZ_OK)) |
| 411 | { |
| 412 | fout=FOPEN_FUNC(write_filename,"wb"); |
| 413 | /* some zipfile don't contain directory alone before file */ |
| 414 | if ((fout==NULL) && ((*popt_extract_without_path)==0) && |
| 415 | (filename_withoutpath!=(char*)filename_inzip)) |
| 416 | { |
| 417 | char c=*(filename_withoutpath-1); |
| 418 | *(filename_withoutpath-1)='\0'; |
| 419 | makedir(write_filename); |
| 420 | *(filename_withoutpath-1)=c; |
| 421 | fout=FOPEN_FUNC(write_filename,"wb"); |
| 422 | } |
| 423 | |
| 424 | if (fout==NULL) |
| 425 | { |
| 426 | printf("error opening %s\n",write_filename); |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | if (fout!=NULL) |
| 431 | { |
| 432 | printf(" extracting: %s\n",write_filename); |
| 433 | |
| 434 | do |
| 435 | { |
| 436 | err = unzReadCurrentFile(uf,buf,size_buf); |
| 437 | if (err<0) |
| 438 | { |
| 439 | printf("error %d with zipfile in unzReadCurrentFile\n",err); |
| 440 | break; |
| 441 | } |
| 442 | if (err>0) |
| 443 | if (fwrite(buf,(unsigned)err,1,fout)!=1) |
| 444 | { |
| 445 | printf("error in writing extracted file\n"); |
| 446 | err=UNZ_ERRNO; |
| 447 | break; |
| 448 | } |
| 449 | } |
| 450 | while (err>0); |
| 451 | if (fout) |
| 452 | fclose(fout); |
| 453 | |
| 454 | if (err==0) |
| 455 | change_file_date(write_filename,file_info.dosDate, |
| 456 | file_info.tmu_date); |
| 457 | } |
| 458 | |
| 459 | if (err==UNZ_OK) |
| 460 | { |
| 461 | err = unzCloseCurrentFile (uf); |
| 462 | if (err!=UNZ_OK) |
| 463 | { |
| 464 | printf("error %d with zipfile in unzCloseCurrentFile\n",err); |
| 465 | } |
| 466 | } |
| 467 | else |
| 468 | unzCloseCurrentFile(uf); /* don't lose the error */ |
| 469 | } |
| 470 | |
| 471 | free(buf); |
| 472 | return err; |
| 473 | } |
| 474 | |
| 475 | |
| 476 | static int do_extract(uf,opt_extract_without_path,opt_overwrite,password) |
| 477 | unzFile uf; |
| 478 | int opt_extract_without_path; |
| 479 | int opt_overwrite; |
| 480 | const char* password; |
| 481 | { |
| 482 | uLong i; |
| 483 | unz_global_info64 gi; |
| 484 | int err; |
| 485 | |
| 486 | err = unzGetGlobalInfo64(uf,&gi); |
| 487 | if (err!=UNZ_OK) |
| 488 | printf("error %d with zipfile in unzGetGlobalInfo \n",err); |
| 489 | |
| 490 | for (i=0;i<gi.number_entry;i++) |
| 491 | { |
| 492 | if (do_extract_currentfile(uf,&opt_extract_without_path, |
| 493 | &opt_overwrite, |
| 494 | password) != UNZ_OK) |
| 495 | break; |
| 496 | |
| 497 | if ((i+1)<gi.number_entry) |
| 498 | { |
| 499 | err = unzGoToNextFile(uf); |
| 500 | if (err!=UNZ_OK) |
| 501 | { |
| 502 | printf("error %d with zipfile in unzGoToNextFile\n",err); |
| 503 | break; |
| 504 | } |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | return 0; |
| 509 | } |
| 510 | |
| 511 | static int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password) |
| 512 | unzFile uf; |
| 513 | const char* filename; |
| 514 | int opt_extract_without_path; |
| 515 | int opt_overwrite; |
| 516 | const char* password; |
| 517 | { |
| 518 | if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK) |
| 519 | { |
| 520 | printf("file %s not found in the zipfile\n",filename); |
| 521 | return 2; |
| 522 | } |
| 523 | |
| 524 | if (do_extract_currentfile(uf,&opt_extract_without_path, |
| 525 | &opt_overwrite, |
| 526 | password) == UNZ_OK) |
| 527 | return 0; |
| 528 | else |
| 529 | return 1; |
| 530 | } |
| 531 | |
| 532 | |
| 533 | int main(argc,argv) |
| 534 | int argc; |
| 535 | char *argv[]; |
| 536 | { |
| 537 | const char *zipfilename=NULL; |
| 538 | const char *filename_to_extract=NULL; |
| 539 | const char *password=NULL; |
| 540 | char filename_try[MAXFILENAME+16] = ""; |
| 541 | int i; |
| 542 | int ret_value=0; |
| 543 | int opt_do_list=0; |
| 544 | int opt_do_extract=1; |
| 545 | int opt_do_extract_withoutpath=0; |
| 546 | int opt_overwrite=0; |
| 547 | int opt_extractdir=0; |
| 548 | const char *dirname=NULL; |
| 549 | unzFile uf=NULL; |
| 550 | |
| 551 | do_banner(); |
| 552 | if (argc==1) |
| 553 | { |
| 554 | do_help(); |
| 555 | return 0; |
| 556 | } |
| 557 | else |
| 558 | { |
| 559 | for (i=1;i<argc;i++) |
| 560 | { |
| 561 | if ((*argv[i])=='-') |
| 562 | { |
| 563 | const char *p=argv[i]+1; |
| 564 | |
| 565 | while ((*p)!='\0') |
| 566 | { |
| 567 | char c=*(p++); |
| 568 | if ((c=='l') || (c=='L')) |
| 569 | opt_do_list = 1; |
| 570 | if ((c=='v') || (c=='V')) |
| 571 | opt_do_list = 1; |
| 572 | if ((c=='x') || (c=='X')) |
| 573 | opt_do_extract = 1; |
| 574 | if ((c=='e') || (c=='E')) |
| 575 | opt_do_extract = opt_do_extract_withoutpath = 1; |
| 576 | if ((c=='o') || (c=='O')) |
| 577 | opt_overwrite=1; |
| 578 | if ((c=='d') || (c=='D')) |
| 579 | { |
| 580 | opt_extractdir=1; |
| 581 | dirname=argv[i+1]; |
| 582 | } |
| 583 | |
| 584 | if (((c=='p') || (c=='P')) && (i+1<argc)) |
| 585 | { |
| 586 | password=argv[i+1]; |
| 587 | i++; |
| 588 | } |
| 589 | } |
| 590 | } |
| 591 | else |
| 592 | { |
| 593 | if (zipfilename == NULL) |
| 594 | zipfilename = argv[i]; |
| 595 | else if ((filename_to_extract==NULL) && (!opt_extractdir)) |
| 596 | filename_to_extract = argv[i] ; |
| 597 | } |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | if (zipfilename!=NULL) |
| 602 | { |
| 603 | |
| 604 | # ifdef USEWIN32IOAPI |
| 605 | zlib_filefunc64_def ffunc; |
| 606 | # endif |
| 607 | |
| 608 | strncpy(filename_try, zipfilename,MAXFILENAME-1); |
| 609 | /* strncpy doesnt append the trailing NULL, of the string is too long. */ |
| 610 | filename_try[ MAXFILENAME ] = '\0'; |
| 611 | |
| 612 | # ifdef USEWIN32IOAPI |
| 613 | fill_win32_filefunc64A(&ffunc); |
| 614 | uf = unzOpen2_64(zipfilename,&ffunc); |
| 615 | # else |
| 616 | uf = unzOpen64(zipfilename); |
| 617 | # endif |
| 618 | if (uf==NULL) |
| 619 | { |
| 620 | strcat(filename_try,".zip"); |
| 621 | # ifdef USEWIN32IOAPI |
| 622 | uf = unzOpen2_64(filename_try,&ffunc); |
| 623 | # else |
| 624 | uf = unzOpen64(filename_try); |
| 625 | # endif |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | if (uf==NULL) |
| 630 | { |
| 631 | printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename); |
| 632 | return 1; |
| 633 | } |
| 634 | printf("%s opened\n",filename_try); |
| 635 | |
| 636 | if (opt_do_list==1) |
| 637 | ret_value = do_list(uf); |
| 638 | else if (opt_do_extract==1) |
| 639 | { |
| 640 | #ifdef _WIN32 |
| 641 | if (opt_extractdir && _chdir(dirname)) |
| 642 | #else |
| 643 | if (opt_extractdir && chdir(dirname)) |
| 644 | #endif |
| 645 | { |
| 646 | printf("Error changing into %s, aborting\n", dirname); |
| 647 | exit(-1); |
| 648 | } |
| 649 | |
| 650 | if (filename_to_extract == NULL) |
| 651 | ret_value = do_extract(uf, opt_do_extract_withoutpath, opt_overwrite, password); |
| 652 | else |
| 653 | ret_value = do_extract_onefile(uf, filename_to_extract, opt_do_extract_withoutpath, opt_overwrite, password); |
| 654 | } |
| 655 | |
| 656 | unzClose(uf); |
| 657 | |
| 658 | return ret_value; |
| 659 | } |