3 Version 1.1, February 14h, 2010
4 sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
6 Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
8 Modifications of Unzip for Zip64
9 Copyright (C) 2007-2008 Even Rouault
11 Modifications for Zip64 support on both zip and unzip
12 Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
16 #if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
17 #ifndef __USE_FILE_OFFSET64
18 #define __USE_FILE_OFFSET64
20 #ifndef __USE_LARGEFILE64
21 #define __USE_LARGEFILE64
23 #ifndef _LARGEFILE64_SOURCE
24 #define _LARGEFILE64_SOURCE
26 #ifndef _FILE_OFFSET_BIT
27 #define _FILE_OFFSET_BIT 64
32 // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
33 #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
34 #define FTELLO_FUNC(stream) ftello(stream)
35 #define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
37 #define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
38 #define FTELLO_FUNC(stream) ftello64(stream)
39 #define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
57 # include <sys/types.h>
58 # include <sys/stat.h>
70 #define WRITEBUFFERSIZE (16384)
71 #define MAXFILENAME (256)
74 static int filetime(f, tmzip, dt)
75 const char *f; /* name of file to get info on */
76 tm_zip *tmzip; /* return value: access, modific. and creation times */
77 uLong *dt; /* dostime */
83 WIN32_FIND_DATAA ff32;
85 hFind = FindFirstFileA(f,&ff32);
86 if (hFind != INVALID_HANDLE_VALUE)
88 FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal);
89 FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0);
97 #if defined(unix) || defined(__APPLE__)
98 static int filetime(f, tmzip, dt)
99 const char *f; /* name of file to get info on */
100 tm_zip *tmzip; /* return value: access, modific. and creation times */
101 uLong *dt; /* dostime */
105 struct stat s; /* results of stat() */
109 if (strcmp(f,"-")!=0)
111 char name[MAXFILENAME+1];
112 size_t len = strlen(f);
113 if (len > MAXFILENAME)
116 strncpy(name, f,MAXFILENAME-1);
117 /* strncpy doesnt append the trailing NULL, of the string is too long. */
118 name[ MAXFILENAME ] = '\0';
120 if (name[len - 1] == '/')
121 name[len - 1] = '\0';
122 /* not all systems allow stat'ing a file with / appended */
123 if (stat(name,&s)==0)
129 filedate = localtime(&tm_t);
131 tmzip->tm_sec = filedate->tm_sec;
132 tmzip->tm_min = filedate->tm_min;
133 tmzip->tm_hour = filedate->tm_hour;
134 tmzip->tm_mday = filedate->tm_mday;
135 tmzip->tm_mon = filedate->tm_mon ;
136 tmzip->tm_year = filedate->tm_year;
141 uLong filetime(f, tmzip, dt)
142 const char *f; /* name of file to get info on */
143 tm_zip *tmzip; /* return value: access, modific. and creation times */
144 uLong *dt; /* dostime */
154 static int check_exist_file(filename)
155 const char* filename;
159 ftestexist = FOPEN_FUNC(filename,"rb");
160 if (ftestexist==NULL)
167 static void do_banner()
169 printf("MiniZip 1.1, demo of zLib + MiniZip64 package, written by Gilles Vollant\n");
170 printf("more info on MiniZip at http://www.winimage.com/zLibDll/minizip.html\n\n");
173 static void do_help()
175 printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] [-j] file.zip [files_to_add]\n\n" \
176 " -o Overwrite existing file.zip\n" \
177 " -a Append to existing file.zip\n" \
179 " -1 Compress faster\n" \
180 " -9 Compress better\n\n" \
181 " -j exclude path. store only the file name.\n\n");
184 /* calculate the CRC32 of a file,
185 because to encrypt a file, we need known the CRC32 of the file before */
186 static int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc)
188 unsigned long calculate_crc=0;
190 FILE * fin = FOPEN_FUNC(filenameinzip,"rb");
192 unsigned long size_read = 0;
193 /* unsigned long total_read = 0; */
203 size_read = fread(buf,1,size_buf,fin);
204 if (size_read < size_buf)
207 printf("error in reading %s\n",filenameinzip);
212 calculate_crc = crc32_z(calculate_crc,buf,size_read);
213 /* total_read += size_read; */
215 } while ((err == ZIP_OK) && (size_read>0));
220 *result_crc=calculate_crc;
221 printf("file %s crc %lx\n", filenameinzip, calculate_crc);
225 static int isLargeFile(const char* filename)
229 FILE* pFile = FOPEN_FUNC(filename, "rb");
233 FSEEKO_FUNC(pFile, 0, SEEK_END);
234 pos = (ZPOS64_T)FTELLO_FUNC(pFile);
236 printf("File : %s is %lld bytes\n", filename, pos);
238 if(pos >= 0xffffffff)
253 int opt_compress_level=Z_DEFAULT_COMPRESSION;
254 int opt_exclude_path=0;
255 int zipfilenamearg = 0;
256 char filename_try[MAXFILENAME+16];
261 const char* password=NULL;
276 const char *p=argv[i]+1;
281 if ((c=='o') || (c=='O'))
283 if ((c=='a') || (c=='A'))
285 if ((c>='0') && (c<='9'))
286 opt_compress_level = c-'0';
287 if ((c=='j') || (c=='J'))
288 opt_exclude_path = 1;
290 if (((c=='p') || (c=='P')) && (i+1<argc))
299 if (zipfilenamearg == 0)
307 size_buf = WRITEBUFFERSIZE;
308 buf = (void*)malloc(size_buf);
311 printf("Error allocating memory\n");
312 return ZIP_INTERNALERROR;
315 if (zipfilenamearg==0)
325 strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1);
326 /* strncpy doesnt append the trailing NULL, of the string is too long. */
327 filename_try[ MAXFILENAME ] = '\0';
329 len=(int)strlen(filename_try);
331 if (filename_try[i]=='.')
335 strcat(filename_try,".zip");
337 if (opt_overwrite==2)
339 /* if the file don't exist, we not append file */
340 if (check_exist_file(filename_try)==0)
344 if (opt_overwrite==0)
345 if (check_exist_file(filename_try)!=0)
352 printf("The file %s exists. Overwrite ? [y]es, [n]o, [a]ppend : ",filename_try);
353 ret = scanf("%1s",answer);
359 if ((rep>='a') && (rep<='z'))
362 while ((rep!='Y') && (rep!='N') && (rep!='A'));
374 # ifdef USEWIN32IOAPI
375 zlib_filefunc64_def ffunc;
376 fill_win32_filefunc64A(&ffunc);
377 zf = zipOpen2_64(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc);
379 zf = zipOpen64(filename_try,(opt_overwrite==2) ? 2 : 0);
384 printf("error opening %s\n",filename_try);
388 printf("creating %s\n",filename_try);
390 for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++)
392 if (!((((*(argv[i]))=='-') || ((*(argv[i]))=='/')) &&
393 ((argv[i][1]=='o') || (argv[i][1]=='O') ||
394 (argv[i][1]=='a') || (argv[i][1]=='A') ||
395 (argv[i][1]=='p') || (argv[i][1]=='P') ||
396 ((argv[i][1]>='0') || (argv[i][1]<='9'))) &&
397 (strlen(argv[i]) == 2)))
401 const char* filenameinzip = argv[i];
402 const char *savefilenameinzip;
404 unsigned long crcFile=0;
407 zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
408 zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0;
412 filetime(filenameinzip,&zi.tmz_date,&zi.dosDate);
415 err = zipOpenNewFileInZip(zf,filenameinzip,&zi,
416 NULL,0,NULL,0,NULL / * comment * /,
417 (opt_compress_level != 0) ? Z_DEFLATED : 0,
420 if ((password != NULL) && (err==ZIP_OK))
421 err = getFileCrc(filenameinzip,buf,size_buf,&crcFile);
423 zip64 = isLargeFile(filenameinzip);
425 /* The path name saved, should not include a leading slash. */
426 /*if it did, windows/xp and dynazip couldn't read the zip file. */
427 savefilenameinzip = filenameinzip;
428 while( savefilenameinzip[0] == '\\' || savefilenameinzip[0] == '/' )
433 /*should the zip file contain any path at all?*/
434 if( opt_exclude_path )
437 const char *lastslash = 0;
438 for( tmpptr = savefilenameinzip; *tmpptr; tmpptr++)
440 if( *tmpptr == '\\' || *tmpptr == '/')
445 if( lastslash != NULL )
447 savefilenameinzip = lastslash+1; // base filename follows last slash.
452 err = zipOpenNewFileInZip3_64(zf,savefilenameinzip,&zi,
453 NULL,0,NULL,0,NULL /* comment*/,
454 (opt_compress_level != 0) ? Z_DEFLATED : 0,
455 opt_compress_level,0,
456 /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */
457 -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
458 password,crcFile, zip64);
461 printf("error in opening %s in zipfile\n",filenameinzip);
464 fin = FOPEN_FUNC(filenameinzip,"rb");
468 printf("error in opening %s for reading\n",filenameinzip);
476 size_read = fread(buf,1,size_buf,fin);
477 if (size_read < size_buf)
480 printf("error in reading %s\n",filenameinzip);
486 err = zipWriteInFileInZip (zf,buf,(unsigned)size_read);
489 printf("error in writing %s in the zipfile\n",
494 } while ((err == ZIP_OK) && (size_read>0));
503 err = zipCloseFileInZip(zf);
505 printf("error in closing %s in the zipfile\n",
510 errclose = zipClose(zf,NULL);
511 if (errclose != ZIP_OK)
512 printf("error in closing %s\n",filename_try);