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7c673cae FG |
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 | ||
49 | #ifdef _WIN32 | |
50 | # include <direct.h> | |
51 | # include <io.h> | |
52 | #else | |
53 | # include <unistd.h> | |
54 | # include <utime.h> | |
55 | #endif | |
56 | ||
57 | ||
58 | #include "unzip.h" | |
59 | ||
60 | #define CASESENSITIVITY (0) | |
61 | #define WRITEBUFFERSIZE (8192) | |
62 | #define MAXFILENAME (256) | |
63 | ||
64 | #ifdef _WIN32 | |
65 | #define USEWIN32IOAPI | |
66 | #include "iowin32.h" | |
67 | #endif | |
68 | /* | |
69 | mini unzip, demo of unzip package | |
70 | ||
71 | usage : | |
72 | Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir] | |
73 | ||
74 | list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT | |
75 | if it exists | |
76 | */ | |
77 | ||
78 | ||
79 | /* change_file_date : change the date/time of a file | |
80 | filename : the filename of the file where date/time must be modified | |
81 | dosdate : the new date at the MSDos format (4 bytes) | |
82 | tmu_date : the SAME new date at the tm_unz format */ | |
83 | void change_file_date(filename,dosdate,tmu_date) | |
84 | const char *filename; | |
85 | uLong dosdate; | |
86 | tm_unz tmu_date; | |
87 | { | |
88 | #ifdef _WIN32 | |
89 | HANDLE hFile; | |
90 | FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite; | |
91 | ||
92 | hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE, | |
93 | 0,NULL,OPEN_EXISTING,0,NULL); | |
94 | GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite); | |
95 | DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal); | |
96 | LocalFileTimeToFileTime(&ftLocal,&ftm); | |
97 | SetFileTime(hFile,&ftm,&ftLastAcc,&ftm); | |
98 | CloseHandle(hFile); | |
99 | #else | |
100 | #ifdef unix || __APPLE__ | |
101 | struct utimbuf ut; | |
102 | struct tm newdate; | |
103 | newdate.tm_sec = tmu_date.tm_sec; | |
104 | newdate.tm_min=tmu_date.tm_min; | |
105 | newdate.tm_hour=tmu_date.tm_hour; | |
106 | newdate.tm_mday=tmu_date.tm_mday; | |
107 | newdate.tm_mon=tmu_date.tm_mon; | |
108 | if (tmu_date.tm_year > 1900) | |
109 | newdate.tm_year=tmu_date.tm_year - 1900; | |
110 | else | |
111 | newdate.tm_year=tmu_date.tm_year ; | |
112 | newdate.tm_isdst=-1; | |
113 | ||
114 | ut.actime=ut.modtime=mktime(&newdate); | |
115 | utime(filename,&ut); | |
116 | #endif | |
117 | #endif | |
118 | } | |
119 | ||
120 | ||
121 | /* mymkdir and change_file_date are not 100 % portable | |
122 | As I don't know well Unix, I wait feedback for the unix portion */ | |
123 | ||
124 | int mymkdir(dirname) | |
125 | const char* dirname; | |
126 | { | |
127 | int ret=0; | |
128 | #ifdef _WIN32 | |
129 | ret = _mkdir(dirname); | |
130 | #elif unix | |
131 | ret = mkdir (dirname,0775); | |
132 | #elif __APPLE__ | |
133 | ret = mkdir (dirname,0775); | |
134 | #endif | |
135 | return ret; | |
136 | } | |
137 | ||
138 | int makedir (newdir) | |
139 | char *newdir; | |
140 | { | |
141 | char *buffer ; | |
142 | char *p; | |
143 | int len = (int)strlen(newdir); | |
144 | ||
145 | if (len <= 0) | |
146 | return 0; | |
147 | ||
148 | buffer = (char*)malloc(len+1); | |
149 | if (buffer==NULL) | |
150 | { | |
151 | printf("Error allocating memory\n"); | |
152 | return UNZ_INTERNALERROR; | |
153 | } | |
154 | strcpy(buffer,newdir); | |
155 | ||
156 | if (buffer[len-1] == '/') { | |
157 | buffer[len-1] = '\0'; | |
158 | } | |
159 | if (mymkdir(buffer) == 0) | |
160 | { | |
161 | free(buffer); | |
162 | return 1; | |
163 | } | |
164 | ||
165 | p = buffer+1; | |
166 | while (1) | |
167 | { | |
168 | char hold; | |
169 | ||
170 | while(*p && *p != '\\' && *p != '/') | |
171 | p++; | |
172 | hold = *p; | |
173 | *p = 0; | |
174 | if ((mymkdir(buffer) == -1) && (errno == ENOENT)) | |
175 | { | |
176 | printf("couldn't create directory %s\n",buffer); | |
177 | free(buffer); | |
178 | return 0; | |
179 | } | |
180 | if (hold == 0) | |
181 | break; | |
182 | *p++ = hold; | |
183 | } | |
184 | free(buffer); | |
185 | return 1; | |
186 | } | |
187 | ||
188 | void do_banner() | |
189 | { | |
190 | printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n"); | |
191 | printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n"); | |
192 | } | |
193 | ||
194 | void do_help() | |
195 | { | |
196 | printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \ | |
197 | " -e Extract without pathname (junk paths)\n" \ | |
198 | " -x Extract with pathname\n" \ | |
199 | " -v list files\n" \ | |
200 | " -l list files\n" \ | |
201 | " -d directory to extract into\n" \ | |
202 | " -o overwrite files without prompting\n" \ | |
203 | " -p extract crypted file using password\n\n"); | |
204 | } | |
205 | ||
206 | void Display64BitsSize(ZPOS64_T n, int size_char) | |
207 | { | |
208 | /* to avoid compatibility problem , we do here the conversion */ | |
209 | char number[21]; | |
210 | int offset=19; | |
211 | int pos_string = 19; | |
212 | number[20]=0; | |
213 | for (;;) { | |
214 | number[offset]=(char)((n%10)+'0'); | |
215 | if (number[offset] != '0') | |
216 | pos_string=offset; | |
217 | n/=10; | |
218 | if (offset==0) | |
219 | break; | |
220 | offset--; | |
221 | } | |
222 | { | |
223 | int size_display_string = 19-pos_string; | |
224 | while (size_char > size_display_string) | |
225 | { | |
226 | size_char--; | |
227 | printf(" "); | |
228 | } | |
229 | } | |
230 | ||
231 | printf("%s",&number[pos_string]); | |
232 | } | |
233 | ||
234 | int do_list(uf) | |
235 | unzFile uf; | |
236 | { | |
237 | uLong i; | |
238 | unz_global_info64 gi; | |
239 | int err; | |
240 | ||
241 | err = unzGetGlobalInfo64(uf,&gi); | |
242 | if (err!=UNZ_OK) | |
243 | printf("error %d with zipfile in unzGetGlobalInfo \n",err); | |
244 | printf(" Length Method Size Ratio Date Time CRC-32 Name\n"); | |
245 | printf(" ------ ------ ---- ----- ---- ---- ------ ----\n"); | |
246 | for (i=0;i<gi.number_entry;i++) | |
247 | { | |
248 | char filename_inzip[256]; | |
249 | unz_file_info64 file_info; | |
250 | uLong ratio=0; | |
251 | const char *string_method; | |
252 | char charCrypt=' '; | |
253 | err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); | |
254 | if (err!=UNZ_OK) | |
255 | { | |
256 | printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); | |
257 | break; | |
258 | } | |
259 | if (file_info.uncompressed_size>0) | |
260 | ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size); | |
261 | ||
262 | /* display a '*' if the file is crypted */ | |
263 | if ((file_info.flag & 1) != 0) | |
264 | charCrypt='*'; | |
265 | ||
266 | if (file_info.compression_method==0) | |
267 | string_method="Stored"; | |
268 | else | |
269 | if (file_info.compression_method==Z_DEFLATED) | |
270 | { | |
271 | uInt iLevel=(uInt)((file_info.flag & 0x6)/2); | |
272 | if (iLevel==0) | |
273 | string_method="Defl:N"; | |
274 | else if (iLevel==1) | |
275 | string_method="Defl:X"; | |
276 | else if ((iLevel==2) || (iLevel==3)) | |
277 | string_method="Defl:F"; /* 2:fast , 3 : extra fast*/ | |
278 | } | |
279 | else | |
280 | if (file_info.compression_method==Z_BZIP2ED) | |
281 | { | |
282 | string_method="BZip2 "; | |
283 | } | |
284 | else | |
285 | string_method="Unkn. "; | |
286 | ||
287 | Display64BitsSize(file_info.uncompressed_size,7); | |
288 | printf(" %6s%c",string_method,charCrypt); | |
289 | Display64BitsSize(file_info.compressed_size,7); | |
290 | printf(" %3lu%% %2.2lu-%2.2lu-%2.2lu %2.2lu:%2.2lu %8.8lx %s\n", | |
291 | ratio, | |
292 | (uLong)file_info.tmu_date.tm_mon + 1, | |
293 | (uLong)file_info.tmu_date.tm_mday, | |
294 | (uLong)file_info.tmu_date.tm_year % 100, | |
295 | (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min, | |
296 | (uLong)file_info.crc,filename_inzip); | |
297 | if ((i+1)<gi.number_entry) | |
298 | { | |
299 | err = unzGoToNextFile(uf); | |
300 | if (err!=UNZ_OK) | |
301 | { | |
302 | printf("error %d with zipfile in unzGoToNextFile\n",err); | |
303 | break; | |
304 | } | |
305 | } | |
306 | } | |
307 | ||
308 | return 0; | |
309 | } | |
310 | ||
311 | ||
312 | int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password) | |
313 | unzFile uf; | |
314 | const int* popt_extract_without_path; | |
315 | int* popt_overwrite; | |
316 | const char* password; | |
317 | { | |
318 | char filename_inzip[256]; | |
319 | char* filename_withoutpath; | |
320 | char* p; | |
321 | int err=UNZ_OK; | |
322 | FILE *fout=NULL; | |
323 | void* buf; | |
324 | uInt size_buf; | |
325 | ||
326 | unz_file_info64 file_info; | |
327 | uLong ratio=0; | |
328 | err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0); | |
329 | ||
330 | if (err!=UNZ_OK) | |
331 | { | |
332 | printf("error %d with zipfile in unzGetCurrentFileInfo\n",err); | |
333 | return err; | |
334 | } | |
335 | ||
336 | size_buf = WRITEBUFFERSIZE; | |
337 | buf = (void*)malloc(size_buf); | |
338 | if (buf==NULL) | |
339 | { | |
340 | printf("Error allocating memory\n"); | |
341 | return UNZ_INTERNALERROR; | |
342 | } | |
343 | ||
344 | p = filename_withoutpath = filename_inzip; | |
345 | while ((*p) != '\0') | |
346 | { | |
347 | if (((*p)=='/') || ((*p)=='\\')) | |
348 | filename_withoutpath = p+1; | |
349 | p++; | |
350 | } | |
351 | ||
352 | if ((*filename_withoutpath)=='\0') | |
353 | { | |
354 | if ((*popt_extract_without_path)==0) | |
355 | { | |
356 | printf("creating directory: %s\n",filename_inzip); | |
357 | mymkdir(filename_inzip); | |
358 | } | |
359 | } | |
360 | else | |
361 | { | |
362 | const char* write_filename; | |
363 | int skip=0; | |
364 | ||
365 | if ((*popt_extract_without_path)==0) | |
366 | write_filename = filename_inzip; | |
367 | else | |
368 | write_filename = filename_withoutpath; | |
369 | ||
370 | err = unzOpenCurrentFilePassword(uf,password); | |
371 | if (err!=UNZ_OK) | |
372 | { | |
373 | printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err); | |
374 | } | |
375 | ||
376 | if (((*popt_overwrite)==0) && (err==UNZ_OK)) | |
377 | { | |
378 | char rep=0; | |
379 | FILE* ftestexist; | |
380 | ftestexist = FOPEN_FUNC(write_filename,"rb"); | |
381 | if (ftestexist!=NULL) | |
382 | { | |
383 | fclose(ftestexist); | |
384 | do | |
385 | { | |
386 | char answer[128]; | |
387 | int ret; | |
388 | ||
389 | printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename); | |
390 | ret = scanf("%1s",answer); | |
391 | if (ret != 1) | |
392 | { | |
393 | exit(EXIT_FAILURE); | |
394 | } | |
395 | rep = answer[0] ; | |
396 | if ((rep>='a') && (rep<='z')) | |
397 | rep -= 0x20; | |
398 | } | |
399 | while ((rep!='Y') && (rep!='N') && (rep!='A')); | |
400 | } | |
401 | ||
402 | if (rep == 'N') | |
403 | skip = 1; | |
404 | ||
405 | if (rep == 'A') | |
406 | *popt_overwrite=1; | |
407 | } | |
408 | ||
409 | if ((skip==0) && (err==UNZ_OK)) | |
410 | { | |
411 | fout=FOPEN_FUNC(write_filename,"wb"); | |
412 | /* some zipfile don't contain directory alone before file */ | |
413 | if ((fout==NULL) && ((*popt_extract_without_path)==0) && | |
414 | (filename_withoutpath!=(char*)filename_inzip)) | |
415 | { | |
416 | char c=*(filename_withoutpath-1); | |
417 | *(filename_withoutpath-1)='\0'; | |
418 | makedir(write_filename); | |
419 | *(filename_withoutpath-1)=c; | |
420 | fout=FOPEN_FUNC(write_filename,"wb"); | |
421 | } | |
422 | ||
423 | if (fout==NULL) | |
424 | { | |
425 | printf("error opening %s\n",write_filename); | |
426 | } | |
427 | } | |
428 | ||
429 | if (fout!=NULL) | |
430 | { | |
431 | printf(" extracting: %s\n",write_filename); | |
432 | ||
433 | do | |
434 | { | |
435 | err = unzReadCurrentFile(uf,buf,size_buf); | |
436 | if (err<0) | |
437 | { | |
438 | printf("error %d with zipfile in unzReadCurrentFile\n",err); | |
439 | break; | |
440 | } | |
441 | if (err>0) | |
442 | if (fwrite(buf,err,1,fout)!=1) | |
443 | { | |
444 | printf("error in writing extracted file\n"); | |
445 | err=UNZ_ERRNO; | |
446 | break; | |
447 | } | |
448 | } | |
449 | while (err>0); | |
450 | if (fout) | |
451 | fclose(fout); | |
452 | ||
453 | if (err==0) | |
454 | change_file_date(write_filename,file_info.dosDate, | |
455 | file_info.tmu_date); | |
456 | } | |
457 | ||
458 | if (err==UNZ_OK) | |
459 | { | |
460 | err = unzCloseCurrentFile (uf); | |
461 | if (err!=UNZ_OK) | |
462 | { | |
463 | printf("error %d with zipfile in unzCloseCurrentFile\n",err); | |
464 | } | |
465 | } | |
466 | else | |
467 | unzCloseCurrentFile(uf); /* don't lose the error */ | |
468 | } | |
469 | ||
470 | free(buf); | |
471 | return err; | |
472 | } | |
473 | ||
474 | ||
475 | int do_extract(uf,opt_extract_without_path,opt_overwrite,password) | |
476 | unzFile uf; | |
477 | int opt_extract_without_path; | |
478 | int opt_overwrite; | |
479 | const char* password; | |
480 | { | |
481 | uLong i; | |
482 | unz_global_info64 gi; | |
483 | int err; | |
484 | FILE* fout=NULL; | |
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 | 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 | int err = UNZ_OK; | |
519 | if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK) | |
520 | { | |
521 | printf("file %s not found in the zipfile\n",filename); | |
522 | return 2; | |
523 | } | |
524 | ||
525 | if (do_extract_currentfile(uf,&opt_extract_without_path, | |
526 | &opt_overwrite, | |
527 | password) == UNZ_OK) | |
528 | return 0; | |
529 | else | |
530 | return 1; | |
531 | } | |
532 | ||
533 | ||
534 | int main(argc,argv) | |
535 | int argc; | |
536 | char *argv[]; | |
537 | { | |
538 | const char *zipfilename=NULL; | |
539 | const char *filename_to_extract=NULL; | |
540 | const char *password=NULL; | |
541 | char filename_try[MAXFILENAME+16] = ""; | |
542 | int i; | |
543 | int ret_value=0; | |
544 | int opt_do_list=0; | |
545 | int opt_do_extract=1; | |
546 | int opt_do_extract_withoutpath=0; | |
547 | int opt_overwrite=0; | |
548 | int opt_extractdir=0; | |
549 | const char *dirname=NULL; | |
550 | unzFile uf=NULL; | |
551 | ||
552 | do_banner(); | |
553 | if (argc==1) | |
554 | { | |
555 | do_help(); | |
556 | return 0; | |
557 | } | |
558 | else | |
559 | { | |
560 | for (i=1;i<argc;i++) | |
561 | { | |
562 | if ((*argv[i])=='-') | |
563 | { | |
564 | const char *p=argv[i]+1; | |
565 | ||
566 | while ((*p)!='\0') | |
567 | { | |
568 | char c=*(p++);; | |
569 | if ((c=='l') || (c=='L')) | |
570 | opt_do_list = 1; | |
571 | if ((c=='v') || (c=='V')) | |
572 | opt_do_list = 1; | |
573 | if ((c=='x') || (c=='X')) | |
574 | opt_do_extract = 1; | |
575 | if ((c=='e') || (c=='E')) | |
576 | opt_do_extract = opt_do_extract_withoutpath = 1; | |
577 | if ((c=='o') || (c=='O')) | |
578 | opt_overwrite=1; | |
579 | if ((c=='d') || (c=='D')) | |
580 | { | |
581 | opt_extractdir=1; | |
582 | dirname=argv[i+1]; | |
583 | } | |
584 | ||
585 | if (((c=='p') || (c=='P')) && (i+1<argc)) | |
586 | { | |
587 | password=argv[i+1]; | |
588 | i++; | |
589 | } | |
590 | } | |
591 | } | |
592 | else | |
593 | { | |
594 | if (zipfilename == NULL) | |
595 | zipfilename = argv[i]; | |
596 | else if ((filename_to_extract==NULL) && (!opt_extractdir)) | |
597 | filename_to_extract = argv[i] ; | |
598 | } | |
599 | } | |
600 | } | |
601 | ||
602 | if (zipfilename!=NULL) | |
603 | { | |
604 | ||
605 | # ifdef USEWIN32IOAPI | |
606 | zlib_filefunc64_def ffunc; | |
607 | # endif | |
608 | ||
609 | strncpy(filename_try, zipfilename,MAXFILENAME-1); | |
610 | /* strncpy doesnt append the trailing NULL, of the string is too long. */ | |
611 | filename_try[ MAXFILENAME ] = '\0'; | |
612 | ||
613 | # ifdef USEWIN32IOAPI | |
614 | fill_win32_filefunc64A(&ffunc); | |
615 | uf = unzOpen2_64(zipfilename,&ffunc); | |
616 | # else | |
617 | uf = unzOpen64(zipfilename); | |
618 | # endif | |
619 | if (uf==NULL) | |
620 | { | |
621 | strcat(filename_try,".zip"); | |
622 | # ifdef USEWIN32IOAPI | |
623 | uf = unzOpen2_64(filename_try,&ffunc); | |
624 | # else | |
625 | uf = unzOpen64(filename_try); | |
626 | # endif | |
627 | } | |
628 | } | |
629 | ||
630 | if (uf==NULL) | |
631 | { | |
632 | printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename); | |
633 | return 1; | |
634 | } | |
635 | printf("%s opened\n",filename_try); | |
636 | ||
637 | if (opt_do_list==1) | |
638 | ret_value = do_list(uf); | |
639 | else if (opt_do_extract==1) | |
640 | { | |
641 | #ifdef _WIN32 | |
642 | if (opt_extractdir && _chdir(dirname)) | |
643 | #else | |
644 | if (opt_extractdir && chdir(dirname)) | |
645 | #endif | |
646 | { | |
647 | printf("Error changing into %s, aborting\n", dirname); | |
648 | exit(-1); | |
649 | } | |
650 | ||
651 | if (filename_to_extract == NULL) | |
652 | ret_value = do_extract(uf, opt_do_extract_withoutpath, opt_overwrite, password); | |
653 | else | |
654 | ret_value = do_extract_onefile(uf, filename_to_extract, opt_do_extract_withoutpath, opt_overwrite, password); | |
655 | } | |
656 | ||
657 | unzClose(uf); | |
658 | ||
659 | return ret_value; | |
660 | } |