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 |
} |