Chris@4: /*
Chris@4:    miniunz.c
Chris@4:    Version 1.1, February 14h, 2010
Chris@4:    sample part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
Chris@4: 
Chris@4:          Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
Chris@4: 
Chris@4:          Modifications of Unzip for Zip64
Chris@4:          Copyright (C) 2007-2008 Even Rouault
Chris@4: 
Chris@4:          Modifications for Zip64 support on both zip and unzip
Chris@4:          Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
Chris@4: */
Chris@4: 
Chris@4: #if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
Chris@4:         #ifndef __USE_FILE_OFFSET64
Chris@4:                 #define __USE_FILE_OFFSET64
Chris@4:         #endif
Chris@4:         #ifndef __USE_LARGEFILE64
Chris@4:                 #define __USE_LARGEFILE64
Chris@4:         #endif
Chris@4:         #ifndef _LARGEFILE64_SOURCE
Chris@4:                 #define _LARGEFILE64_SOURCE
Chris@4:         #endif
Chris@4:         #ifndef _FILE_OFFSET_BIT
Chris@4:                 #define _FILE_OFFSET_BIT 64
Chris@4:         #endif
Chris@4: #endif
Chris@4: 
Chris@4: #ifdef __APPLE__
Chris@4: // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
Chris@4: #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
Chris@4: #define FTELLO_FUNC(stream) ftello(stream)
Chris@4: #define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
Chris@4: #else
Chris@4: #define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
Chris@4: #define FTELLO_FUNC(stream) ftello64(stream)
Chris@4: #define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
Chris@4: #endif
Chris@4: 
Chris@4: 
Chris@4: #include <stdio.h>
Chris@4: #include <stdlib.h>
Chris@4: #include <string.h>
Chris@4: #include <time.h>
Chris@4: #include <errno.h>
Chris@4: #include <fcntl.h>
Chris@4: 
Chris@4: #ifdef _WIN32
Chris@4: # include <direct.h>
Chris@4: # include <io.h>
Chris@4: #else
Chris@4: # include <unistd.h>
Chris@4: # include <utime.h>
Chris@4: #endif
Chris@4: 
Chris@4: 
Chris@4: #include "unzip.h"
Chris@4: 
Chris@4: #define CASESENSITIVITY (0)
Chris@4: #define WRITEBUFFERSIZE (8192)
Chris@4: #define MAXFILENAME (256)
Chris@4: 
Chris@4: #ifdef _WIN32
Chris@4: #define USEWIN32IOAPI
Chris@4: #include "iowin32.h"
Chris@4: #endif
Chris@4: /*
Chris@4:   mini unzip, demo of unzip package
Chris@4: 
Chris@4:   usage :
Chris@4:   Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir]
Chris@4: 
Chris@4:   list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT
Chris@4:     if it exists
Chris@4: */
Chris@4: 
Chris@4: 
Chris@4: /* change_file_date : change the date/time of a file
Chris@4:     filename : the filename of the file where date/time must be modified
Chris@4:     dosdate : the new date at the MSDos format (4 bytes)
Chris@4:     tmu_date : the SAME new date at the tm_unz format */
Chris@4: void change_file_date(filename,dosdate,tmu_date)
Chris@4:     const char *filename;
Chris@4:     uLong dosdate;
Chris@4:     tm_unz tmu_date;
Chris@4: {
Chris@4: #ifdef _WIN32
Chris@4:   HANDLE hFile;
Chris@4:   FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite;
Chris@4: 
Chris@4:   hFile = CreateFileA(filename,GENERIC_READ | GENERIC_WRITE,
Chris@4:                       0,NULL,OPEN_EXISTING,0,NULL);
Chris@4:   GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite);
Chris@4:   DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal);
Chris@4:   LocalFileTimeToFileTime(&ftLocal,&ftm);
Chris@4:   SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
Chris@4:   CloseHandle(hFile);
Chris@4: #else
Chris@4: #ifdef unix || __APPLE__
Chris@4:   struct utimbuf ut;
Chris@4:   struct tm newdate;
Chris@4:   newdate.tm_sec = tmu_date.tm_sec;
Chris@4:   newdate.tm_min=tmu_date.tm_min;
Chris@4:   newdate.tm_hour=tmu_date.tm_hour;
Chris@4:   newdate.tm_mday=tmu_date.tm_mday;
Chris@4:   newdate.tm_mon=tmu_date.tm_mon;
Chris@4:   if (tmu_date.tm_year > 1900)
Chris@4:       newdate.tm_year=tmu_date.tm_year - 1900;
Chris@4:   else
Chris@4:       newdate.tm_year=tmu_date.tm_year ;
Chris@4:   newdate.tm_isdst=-1;
Chris@4: 
Chris@4:   ut.actime=ut.modtime=mktime(&newdate);
Chris@4:   utime(filename,&ut);
Chris@4: #endif
Chris@4: #endif
Chris@4: }
Chris@4: 
Chris@4: 
Chris@4: /* mymkdir and change_file_date are not 100 % portable
Chris@4:    As I don't know well Unix, I wait feedback for the unix portion */
Chris@4: 
Chris@4: int mymkdir(dirname)
Chris@4:     const char* dirname;
Chris@4: {
Chris@4:     int ret=0;
Chris@4: #ifdef _WIN32
Chris@4:     ret = _mkdir(dirname);
Chris@4: #elif unix
Chris@4:     ret = mkdir (dirname,0775);
Chris@4: #elif __APPLE__
Chris@4:     ret = mkdir (dirname,0775);
Chris@4: #endif
Chris@4:     return ret;
Chris@4: }
Chris@4: 
Chris@4: int makedir (newdir)
Chris@4:     char *newdir;
Chris@4: {
Chris@4:   char *buffer ;
Chris@4:   char *p;
Chris@4:   int  len = (int)strlen(newdir);
Chris@4: 
Chris@4:   if (len <= 0)
Chris@4:     return 0;
Chris@4: 
Chris@4:   buffer = (char*)malloc(len+1);
Chris@4:         if (buffer==NULL)
Chris@4:         {
Chris@4:                 printf("Error allocating memory\n");
Chris@4:                 return UNZ_INTERNALERROR;
Chris@4:         }
Chris@4:   strcpy(buffer,newdir);
Chris@4: 
Chris@4:   if (buffer[len-1] == '/') {
Chris@4:     buffer[len-1] = '\0';
Chris@4:   }
Chris@4:   if (mymkdir(buffer) == 0)
Chris@4:     {
Chris@4:       free(buffer);
Chris@4:       return 1;
Chris@4:     }
Chris@4: 
Chris@4:   p = buffer+1;
Chris@4:   while (1)
Chris@4:     {
Chris@4:       char hold;
Chris@4: 
Chris@4:       while(*p && *p != '\\' && *p != '/')
Chris@4:         p++;
Chris@4:       hold = *p;
Chris@4:       *p = 0;
Chris@4:       if ((mymkdir(buffer) == -1) && (errno == ENOENT))
Chris@4:         {
Chris@4:           printf("couldn't create directory %s\n",buffer);
Chris@4:           free(buffer);
Chris@4:           return 0;
Chris@4:         }
Chris@4:       if (hold == 0)
Chris@4:         break;
Chris@4:       *p++ = hold;
Chris@4:     }
Chris@4:   free(buffer);
Chris@4:   return 1;
Chris@4: }
Chris@4: 
Chris@4: void do_banner()
Chris@4: {
Chris@4:     printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n");
Chris@4:     printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");
Chris@4: }
Chris@4: 
Chris@4: void do_help()
Chris@4: {
Chris@4:     printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \
Chris@4:            "  -e  Extract without pathname (junk paths)\n" \
Chris@4:            "  -x  Extract with pathname\n" \
Chris@4:            "  -v  list files\n" \
Chris@4:            "  -l  list files\n" \
Chris@4:            "  -d  directory to extract into\n" \
Chris@4:            "  -o  overwrite files without prompting\n" \
Chris@4:            "  -p  extract crypted file using password\n\n");
Chris@4: }
Chris@4: 
Chris@4: void Display64BitsSize(ZPOS64_T n, int size_char)
Chris@4: {
Chris@4:   /* to avoid compatibility problem , we do here the conversion */
Chris@4:   char number[21];
Chris@4:   int offset=19;
Chris@4:   int pos_string = 19;
Chris@4:   number[20]=0;
Chris@4:   for (;;) {
Chris@4:       number[offset]=(char)((n%10)+'0');
Chris@4:       if (number[offset] != '0')
Chris@4:           pos_string=offset;
Chris@4:       n/=10;
Chris@4:       if (offset==0)
Chris@4:           break;
Chris@4:       offset--;
Chris@4:   }
Chris@4:   {
Chris@4:       int size_display_string = 19-pos_string;
Chris@4:       while (size_char > size_display_string)
Chris@4:       {
Chris@4:           size_char--;
Chris@4:           printf(" ");
Chris@4:       }
Chris@4:   }
Chris@4: 
Chris@4:   printf("%s",&number[pos_string]);
Chris@4: }
Chris@4: 
Chris@4: int do_list(uf)
Chris@4:     unzFile uf;
Chris@4: {
Chris@4:     uLong i;
Chris@4:     unz_global_info64 gi;
Chris@4:     int err;
Chris@4: 
Chris@4:     err = unzGetGlobalInfo64(uf,&gi);
Chris@4:     if (err!=UNZ_OK)
Chris@4:         printf("error %d with zipfile in unzGetGlobalInfo \n",err);
Chris@4:     printf("  Length  Method     Size Ratio   Date    Time   CRC-32     Name\n");
Chris@4:     printf("  ------  ------     ---- -----   ----    ----   ------     ----\n");
Chris@4:     for (i=0;i<gi.number_entry;i++)
Chris@4:     {
Chris@4:         char filename_inzip[256];
Chris@4:         unz_file_info64 file_info;
Chris@4:         uLong ratio=0;
Chris@4:         const char *string_method;
Chris@4:         char charCrypt=' ';
Chris@4:         err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
Chris@4:         if (err!=UNZ_OK)
Chris@4:         {
Chris@4:             printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
Chris@4:             break;
Chris@4:         }
Chris@4:         if (file_info.uncompressed_size>0)
Chris@4:             ratio = (uLong)((file_info.compressed_size*100)/file_info.uncompressed_size);
Chris@4: 
Chris@4:         /* display a '*' if the file is crypted */
Chris@4:         if ((file_info.flag & 1) != 0)
Chris@4:             charCrypt='*';
Chris@4: 
Chris@4:         if (file_info.compression_method==0)
Chris@4:             string_method="Stored";
Chris@4:         else
Chris@4:         if (file_info.compression_method==Z_DEFLATED)
Chris@4:         {
Chris@4:             uInt iLevel=(uInt)((file_info.flag & 0x6)/2);
Chris@4:             if (iLevel==0)
Chris@4:               string_method="Defl:N";
Chris@4:             else if (iLevel==1)
Chris@4:               string_method="Defl:X";
Chris@4:             else if ((iLevel==2) || (iLevel==3))
Chris@4:               string_method="Defl:F"; /* 2:fast , 3 : extra fast*/
Chris@4:         }
Chris@4:         else
Chris@4:         if (file_info.compression_method==Z_BZIP2ED)
Chris@4:         {
Chris@4:               string_method="BZip2 ";
Chris@4:         }
Chris@4:         else
Chris@4:             string_method="Unkn. ";
Chris@4: 
Chris@4:         Display64BitsSize(file_info.uncompressed_size,7);
Chris@4:         printf("  %6s%c",string_method,charCrypt);
Chris@4:         Display64BitsSize(file_info.compressed_size,7);
Chris@4:         printf(" %3lu%%  %2.2lu-%2.2lu-%2.2lu  %2.2lu:%2.2lu  %8.8lx   %s\n",
Chris@4:                 ratio,
Chris@4:                 (uLong)file_info.tmu_date.tm_mon + 1,
Chris@4:                 (uLong)file_info.tmu_date.tm_mday,
Chris@4:                 (uLong)file_info.tmu_date.tm_year % 100,
Chris@4:                 (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min,
Chris@4:                 (uLong)file_info.crc,filename_inzip);
Chris@4:         if ((i+1)<gi.number_entry)
Chris@4:         {
Chris@4:             err = unzGoToNextFile(uf);
Chris@4:             if (err!=UNZ_OK)
Chris@4:             {
Chris@4:                 printf("error %d with zipfile in unzGoToNextFile\n",err);
Chris@4:                 break;
Chris@4:             }
Chris@4:         }
Chris@4:     }
Chris@4: 
Chris@4:     return 0;
Chris@4: }
Chris@4: 
Chris@4: 
Chris@4: int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
Chris@4:     unzFile uf;
Chris@4:     const int* popt_extract_without_path;
Chris@4:     int* popt_overwrite;
Chris@4:     const char* password;
Chris@4: {
Chris@4:     char filename_inzip[256];
Chris@4:     char* filename_withoutpath;
Chris@4:     char* p;
Chris@4:     int err=UNZ_OK;
Chris@4:     FILE *fout=NULL;
Chris@4:     void* buf;
Chris@4:     uInt size_buf;
Chris@4: 
Chris@4:     unz_file_info64 file_info;
Chris@4:     uLong ratio=0;
Chris@4:     err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
Chris@4: 
Chris@4:     if (err!=UNZ_OK)
Chris@4:     {
Chris@4:         printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
Chris@4:         return err;
Chris@4:     }
Chris@4: 
Chris@4:     size_buf = WRITEBUFFERSIZE;
Chris@4:     buf = (void*)malloc(size_buf);
Chris@4:     if (buf==NULL)
Chris@4:     {
Chris@4:         printf("Error allocating memory\n");
Chris@4:         return UNZ_INTERNALERROR;
Chris@4:     }
Chris@4: 
Chris@4:     p = filename_withoutpath = filename_inzip;
Chris@4:     while ((*p) != '\0')
Chris@4:     {
Chris@4:         if (((*p)=='/') || ((*p)=='\\'))
Chris@4:             filename_withoutpath = p+1;
Chris@4:         p++;
Chris@4:     }
Chris@4: 
Chris@4:     if ((*filename_withoutpath)=='\0')
Chris@4:     {
Chris@4:         if ((*popt_extract_without_path)==0)
Chris@4:         {
Chris@4:             printf("creating directory: %s\n",filename_inzip);
Chris@4:             mymkdir(filename_inzip);
Chris@4:         }
Chris@4:     }
Chris@4:     else
Chris@4:     {
Chris@4:         const char* write_filename;
Chris@4:         int skip=0;
Chris@4: 
Chris@4:         if ((*popt_extract_without_path)==0)
Chris@4:             write_filename = filename_inzip;
Chris@4:         else
Chris@4:             write_filename = filename_withoutpath;
Chris@4: 
Chris@4:         err = unzOpenCurrentFilePassword(uf,password);
Chris@4:         if (err!=UNZ_OK)
Chris@4:         {
Chris@4:             printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err);
Chris@4:         }
Chris@4: 
Chris@4:         if (((*popt_overwrite)==0) && (err==UNZ_OK))
Chris@4:         {
Chris@4:             char rep=0;
Chris@4:             FILE* ftestexist;
Chris@4:             ftestexist = FOPEN_FUNC(write_filename,"rb");
Chris@4:             if (ftestexist!=NULL)
Chris@4:             {
Chris@4:                 fclose(ftestexist);
Chris@4:                 do
Chris@4:                 {
Chris@4:                     char answer[128];
Chris@4:                     int ret;
Chris@4: 
Chris@4:                     printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename);
Chris@4:                     ret = scanf("%1s",answer);
Chris@4:                     if (ret != 1)
Chris@4:                     {
Chris@4:                        exit(EXIT_FAILURE);
Chris@4:                     }
Chris@4:                     rep = answer[0] ;
Chris@4:                     if ((rep>='a') && (rep<='z'))
Chris@4:                         rep -= 0x20;
Chris@4:                 }
Chris@4:                 while ((rep!='Y') && (rep!='N') && (rep!='A'));
Chris@4:             }
Chris@4: 
Chris@4:             if (rep == 'N')
Chris@4:                 skip = 1;
Chris@4: 
Chris@4:             if (rep == 'A')
Chris@4:                 *popt_overwrite=1;
Chris@4:         }
Chris@4: 
Chris@4:         if ((skip==0) && (err==UNZ_OK))
Chris@4:         {
Chris@4:             fout=FOPEN_FUNC(write_filename,"wb");
Chris@4:             /* some zipfile don't contain directory alone before file */
Chris@4:             if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
Chris@4:                                 (filename_withoutpath!=(char*)filename_inzip))
Chris@4:             {
Chris@4:                 char c=*(filename_withoutpath-1);
Chris@4:                 *(filename_withoutpath-1)='\0';
Chris@4:                 makedir(write_filename);
Chris@4:                 *(filename_withoutpath-1)=c;
Chris@4:                 fout=FOPEN_FUNC(write_filename,"wb");
Chris@4:             }
Chris@4: 
Chris@4:             if (fout==NULL)
Chris@4:             {
Chris@4:                 printf("error opening %s\n",write_filename);
Chris@4:             }
Chris@4:         }
Chris@4: 
Chris@4:         if (fout!=NULL)
Chris@4:         {
Chris@4:             printf(" extracting: %s\n",write_filename);
Chris@4: 
Chris@4:             do
Chris@4:             {
Chris@4:                 err = unzReadCurrentFile(uf,buf,size_buf);
Chris@4:                 if (err<0)
Chris@4:                 {
Chris@4:                     printf("error %d with zipfile in unzReadCurrentFile\n",err);
Chris@4:                     break;
Chris@4:                 }
Chris@4:                 if (err>0)
Chris@4:                     if (fwrite(buf,err,1,fout)!=1)
Chris@4:                     {
Chris@4:                         printf("error in writing extracted file\n");
Chris@4:                         err=UNZ_ERRNO;
Chris@4:                         break;
Chris@4:                     }
Chris@4:             }
Chris@4:             while (err>0);
Chris@4:             if (fout)
Chris@4:                     fclose(fout);
Chris@4: 
Chris@4:             if (err==0)
Chris@4:                 change_file_date(write_filename,file_info.dosDate,
Chris@4:                                  file_info.tmu_date);
Chris@4:         }
Chris@4: 
Chris@4:         if (err==UNZ_OK)
Chris@4:         {
Chris@4:             err = unzCloseCurrentFile (uf);
Chris@4:             if (err!=UNZ_OK)
Chris@4:             {
Chris@4:                 printf("error %d with zipfile in unzCloseCurrentFile\n",err);
Chris@4:             }
Chris@4:         }
Chris@4:         else
Chris@4:             unzCloseCurrentFile(uf); /* don't lose the error */
Chris@4:     }
Chris@4: 
Chris@4:     free(buf);
Chris@4:     return err;
Chris@4: }
Chris@4: 
Chris@4: 
Chris@4: int do_extract(uf,opt_extract_without_path,opt_overwrite,password)
Chris@4:     unzFile uf;
Chris@4:     int opt_extract_without_path;
Chris@4:     int opt_overwrite;
Chris@4:     const char* password;
Chris@4: {
Chris@4:     uLong i;
Chris@4:     unz_global_info64 gi;
Chris@4:     int err;
Chris@4:     FILE* fout=NULL;
Chris@4: 
Chris@4:     err = unzGetGlobalInfo64(uf,&gi);
Chris@4:     if (err!=UNZ_OK)
Chris@4:         printf("error %d with zipfile in unzGetGlobalInfo \n",err);
Chris@4: 
Chris@4:     for (i=0;i<gi.number_entry;i++)
Chris@4:     {
Chris@4:         if (do_extract_currentfile(uf,&opt_extract_without_path,
Chris@4:                                       &opt_overwrite,
Chris@4:                                       password) != UNZ_OK)
Chris@4:             break;
Chris@4: 
Chris@4:         if ((i+1)<gi.number_entry)
Chris@4:         {
Chris@4:             err = unzGoToNextFile(uf);
Chris@4:             if (err!=UNZ_OK)
Chris@4:             {
Chris@4:                 printf("error %d with zipfile in unzGoToNextFile\n",err);
Chris@4:                 break;
Chris@4:             }
Chris@4:         }
Chris@4:     }
Chris@4: 
Chris@4:     return 0;
Chris@4: }
Chris@4: 
Chris@4: int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password)
Chris@4:     unzFile uf;
Chris@4:     const char* filename;
Chris@4:     int opt_extract_without_path;
Chris@4:     int opt_overwrite;
Chris@4:     const char* password;
Chris@4: {
Chris@4:     int err = UNZ_OK;
Chris@4:     if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK)
Chris@4:     {
Chris@4:         printf("file %s not found in the zipfile\n",filename);
Chris@4:         return 2;
Chris@4:     }
Chris@4: 
Chris@4:     if (do_extract_currentfile(uf,&opt_extract_without_path,
Chris@4:                                       &opt_overwrite,
Chris@4:                                       password) == UNZ_OK)
Chris@4:         return 0;
Chris@4:     else
Chris@4:         return 1;
Chris@4: }
Chris@4: 
Chris@4: 
Chris@4: int main(argc,argv)
Chris@4:     int argc;
Chris@4:     char *argv[];
Chris@4: {
Chris@4:     const char *zipfilename=NULL;
Chris@4:     const char *filename_to_extract=NULL;
Chris@4:     const char *password=NULL;
Chris@4:     char filename_try[MAXFILENAME+16] = "";
Chris@4:     int i;
Chris@4:     int ret_value=0;
Chris@4:     int opt_do_list=0;
Chris@4:     int opt_do_extract=1;
Chris@4:     int opt_do_extract_withoutpath=0;
Chris@4:     int opt_overwrite=0;
Chris@4:     int opt_extractdir=0;
Chris@4:     const char *dirname=NULL;
Chris@4:     unzFile uf=NULL;
Chris@4: 
Chris@4:     do_banner();
Chris@4:     if (argc==1)
Chris@4:     {
Chris@4:         do_help();
Chris@4:         return 0;
Chris@4:     }
Chris@4:     else
Chris@4:     {
Chris@4:         for (i=1;i<argc;i++)
Chris@4:         {
Chris@4:             if ((*argv[i])=='-')
Chris@4:             {
Chris@4:                 const char *p=argv[i]+1;
Chris@4: 
Chris@4:                 while ((*p)!='\0')
Chris@4:                 {
Chris@4:                     char c=*(p++);;
Chris@4:                     if ((c=='l') || (c=='L'))
Chris@4:                         opt_do_list = 1;
Chris@4:                     if ((c=='v') || (c=='V'))
Chris@4:                         opt_do_list = 1;
Chris@4:                     if ((c=='x') || (c=='X'))
Chris@4:                         opt_do_extract = 1;
Chris@4:                     if ((c=='e') || (c=='E'))
Chris@4:                         opt_do_extract = opt_do_extract_withoutpath = 1;
Chris@4:                     if ((c=='o') || (c=='O'))
Chris@4:                         opt_overwrite=1;
Chris@4:                     if ((c=='d') || (c=='D'))
Chris@4:                     {
Chris@4:                         opt_extractdir=1;
Chris@4:                         dirname=argv[i+1];
Chris@4:                     }
Chris@4: 
Chris@4:                     if (((c=='p') || (c=='P')) && (i+1<argc))
Chris@4:                     {
Chris@4:                         password=argv[i+1];
Chris@4:                         i++;
Chris@4:                     }
Chris@4:                 }
Chris@4:             }
Chris@4:             else
Chris@4:             {
Chris@4:                 if (zipfilename == NULL)
Chris@4:                     zipfilename = argv[i];
Chris@4:                 else if ((filename_to_extract==NULL) && (!opt_extractdir))
Chris@4:                         filename_to_extract = argv[i] ;
Chris@4:             }
Chris@4:         }
Chris@4:     }
Chris@4: 
Chris@4:     if (zipfilename!=NULL)
Chris@4:     {
Chris@4: 
Chris@4: #        ifdef USEWIN32IOAPI
Chris@4:         zlib_filefunc64_def ffunc;
Chris@4: #        endif
Chris@4: 
Chris@4:         strncpy(filename_try, zipfilename,MAXFILENAME-1);
Chris@4:         /* strncpy doesnt append the trailing NULL, of the string is too long. */
Chris@4:         filename_try[ MAXFILENAME ] = '\0';
Chris@4: 
Chris@4: #        ifdef USEWIN32IOAPI
Chris@4:         fill_win32_filefunc64A(&ffunc);
Chris@4:         uf = unzOpen2_64(zipfilename,&ffunc);
Chris@4: #        else
Chris@4:         uf = unzOpen64(zipfilename);
Chris@4: #        endif
Chris@4:         if (uf==NULL)
Chris@4:         {
Chris@4:             strcat(filename_try,".zip");
Chris@4: #            ifdef USEWIN32IOAPI
Chris@4:             uf = unzOpen2_64(filename_try,&ffunc);
Chris@4: #            else
Chris@4:             uf = unzOpen64(filename_try);
Chris@4: #            endif
Chris@4:         }
Chris@4:     }
Chris@4: 
Chris@4:     if (uf==NULL)
Chris@4:     {
Chris@4:         printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename);
Chris@4:         return 1;
Chris@4:     }
Chris@4:     printf("%s opened\n",filename_try);
Chris@4: 
Chris@4:     if (opt_do_list==1)
Chris@4:         ret_value = do_list(uf);
Chris@4:     else if (opt_do_extract==1)
Chris@4:     {
Chris@4: #ifdef _WIN32
Chris@4:         if (opt_extractdir && _chdir(dirname))
Chris@4: #else
Chris@4:         if (opt_extractdir && chdir(dirname))
Chris@4: #endif
Chris@4:         {
Chris@4:           printf("Error changing into %s, aborting\n", dirname);
Chris@4:           exit(-1);
Chris@4:         }
Chris@4: 
Chris@4:         if (filename_to_extract == NULL)
Chris@4:             ret_value = do_extract(uf, opt_do_extract_withoutpath, opt_overwrite, password);
Chris@4:         else
Chris@4:             ret_value = do_extract_onefile(uf, filename_to_extract, opt_do_extract_withoutpath, opt_overwrite, password);
Chris@4:     }
Chris@4: 
Chris@4:     unzClose(uf);
Chris@4: 
Chris@4:     return ret_value;
Chris@4: }