lib/zlib/contrib/minizip/minizip.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <time.h>
   5 #include <errno.h>
   6 #include <fcntl.h>
   7
   8 #ifdef unix
   9 # include <unistd.h>
  10 # include <utime.h>
  11 # include <sys/types.h>
  12 # include <sys/stat.h>
  13 #else
  14 # include <direct.h>
  15 # include <io.h>
  16 #endif
  17
  18 #include "zip.h"
  19
  20
  21 #define WRITEBUFFERSIZE (16384)
  22 #define MAXFILENAME (256)
  23
  24 #ifdef WIN32
  25 uLong filetime(f, tmzip, dt)
  26     char *f;                /* name of file to get info on */
  27     tm_zip *tmzip;             /* return value: access, modific. and creation times */
  28     uLong *dt;             /* dostime */
  29 {
  30   int ret = 0;
  31   {
  32       FILETIME ftLocal;
  33       HANDLE hFind;
  34       WIN32_FIND_DATA  ff32;
  35
  36       hFind = FindFirstFile(f,&ff32);
  37       if (hFind != INVALID_HANDLE_VALUE)
  38       {
  39         FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal);
  40         FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0);
  41         FindClose(hFind);
  42         ret = 1;
  43       }
  44   }
  45   return ret;
  46 }
  47 #else
  48 #ifdef unix
  49 uLong filetime(f, tmzip, dt)
  50     char *f;                /* name of file to get info on */
  51     tm_zip *tmzip;             /* return value: access, modific. and creation times */
  52     uLong *dt;             /* dostime */
  53 {
  54   int ret=0;
  55   struct stat s;        /* results of stat() */
  56   struct tm* filedate;
  57   time_t tm_t=0;
  58
  59   if (strcmp(f,"-")!=0)
  60   {
  61     char name[MAXFILENAME];
  62     int len = strlen(f);
  63     strcpy(name, f);
  64     if (name[len - 1] == '/')
  65       name[len - 1] = '\0';
  66     /* not all systems allow stat'ing a file with / appended */
  67     if (stat(name,&s)==0)
  68     {
  69       tm_t = s.st_mtime;
  70       ret = 1;
  71     }
  72   }
  73   filedate = localtime(&tm_t);
  74
  75   tmzip->tm_sec  = filedate->tm_sec;
  76   tmzip->tm_min  = filedate->tm_min;
  77   tmzip->tm_hour = filedate->tm_hour;
  78   tmzip->tm_mday = filedate->tm_mday;
  79   tmzip->tm_mon  = filedate->tm_mon ;
  80   tmzip->tm_year = filedate->tm_year;
  81
  82   return ret;
  83 }
  84 #else
  85 uLong filetime(f, tmzip, dt)
  86     char *f;                /* name of file to get info on */
  87     tm_zip *tmzip;             /* return value: access, modific. and creation times */
  88     uLong *dt;             /* dostime */
  89 {
  90     return 0;
  91 }
  92 #endif
  93 #endif
  94
  95
  96
  97
  98 int check_exist_file(filename)
  99     const char* filename;
 100 {
 101         FILE* ftestexist;
 102     int ret = 1;
 103         ftestexist = fopen(filename,"rb");
 104         if (ftestexist==NULL)
 105         ret = 0;
 106     else
 107         fclose(ftestexist);
 108     return ret;
 109 }
 110
 111 void do_banner()
 112 {
 113         printf("MiniZip 0.15, demo of zLib + Zip package written by Gilles Vollant\n");
 114         printf("more info at http://wwww.winimage/zLibDll/unzip.htm\n\n");
 115 }
 116
 117 void do_help()
 118 {
 119         printf("Usage : minizip [-o] file.zip [files_to_add]\n\n") ;
 120 }
 121
 122 int main(argc,argv)
 123         int argc;
 124         char *argv[];
 125 {
 126         int i;
 127         int opt_overwrite=0;
 128     int opt_compress_level=Z_DEFAULT_COMPRESSION;
 129     int zipfilenamearg = 0;
 130         char filename_try[MAXFILENAME];
 131     int zipok;
 132     int err=0;
 133     int size_buf=0;
 134     void* buf=NULL,
 135
 136
 137         do_banner();
 138         if (argc==1)
 139         {
 140                 do_help();
 141                 exit(0);
 142         return 0;
 143         }
 144         else
 145         {
 146                 for (i=1;i<argc;i++)
 147                 {
 148                         if ((*argv[i])=='-')
 149                         {
 150                                 const char *p=argv[i]+1;
 151
 152                                 while ((*p)!='\0')
 153                                 {
 154                                         char c=*(p++);;
 155                                         if ((c=='o') || (c=='O'))
 156                                                 opt_overwrite = 1;
 157                     if ((c>='0') && (c<='9'))
 158                         opt_compress_level = c-'0';
 159                                 }
 160                         }
 161                         else
 162                                 if (zipfilenamearg == 0)
 163                     zipfilenamearg = i ;
 164                 }
 165         }
 166
 167     size_buf = WRITEBUFFERSIZE;
 168     buf = (void*)malloc(size_buf);
 169     if (buf==NULL)
 170     {
 171         printf("Error allocating memory\n");
 172         return ZIP_INTERNALERROR;
 173     }
 174
 175         if (zipfilenamearg==0)
 176         zipok=0;
 177     else
 178         {
 179         int i,len;
 180         int dot_found=0;
 181
 182         zipok = 1 ;
 183                 strcpy(filename_try,argv[zipfilenamearg]);
 184         len=strlen(filename_try);
 185         for (i=0;i<len;i++)
 186             if (filename_try[i]=='.')
 187                 dot_found=1;
 188
 189         if (dot_found==0)
 190             strcat(filename_try,".zip");
 191
 192         if (opt_overwrite==0)
 193             if (check_exist_file(filename_try)!=0)
 194                         {
 195                 char rep;
 196                                 do
 197                                 {
 198                                         char answer[128];
 199                                         printf("The file %s exist. Overwrite ? [y]es, [n]o : ",filename_try);
 200                                         scanf("%1s",answer);
 201                                         rep = answer[0] ;
 202                                         if ((rep>='a') && (rep<='z'))
 203                                                 rep -= 0x20;
 204                                 }
 205                                 while ((rep!='Y') && (rep!='N'));
 206                 if (rep=='N')
 207                     zipok = 0;
 208                         }
 209     }
 210
 211     if (zipok==1)
 212     {
 213         zipFile zf;
 214         int errclose;
 215         zf = zipOpen(filename_try,0);
 216         if (zf == NULL)
 217         {
 218             printf("error opening %s\n",filename_try);
 219             err= ZIP_ERRNO;
 220         }
 221         else
 222             printf("creating %s\n",filename_try);
 223
 224         for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++)
 225         {
 226             if (((*(argv[i]))!='-') && ((*(argv[i]))!='/'))
 227             {
 228                 FILE * fin;
 229                 int size_read;
 230                 const char* filenameinzip = argv[i];
 231                 zip_fileinfo zi;
 232
 233                 zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
 234                 zi.tmz_date.tm_mday = zi.tmz_date.tm_min = zi.tmz_date.tm_year = 0;
 235                 zi.dosDate = 0;
 236                 zi.internal_fa = 0;
 237                 zi.external_fa = 0;
 238                 filetime(filenameinzip,&zi.tmz_date,&zi.dosDate);
 239
 240
 241                 err = zipOpenNewFileInZip(zf,filenameinzip,&zi,
 242                                  NULL,0,NULL,0,NULL /* comment*/,
 243                                  (opt_compress_level != 0) ? Z_DEFLATED : 0,
 244                                  opt_compress_level);
 245
 246                 if (err != ZIP_OK)
 247                     printf("error in opening %s in zipfile\n",filenameinzip);
 248                 else
 249                 {
 250                     fin = fopen(filenameinzip,"rb");
 251                     if (fin==NULL)
 252                     {
 253                         err=ZIP_ERRNO;
 254                         printf("error in opening %s for reading\n",filenameinzip);
 255                     }
 256                 }
 257
 258                 if (err == ZIP_OK)
 259                     do
 260                     {
 261                         err = ZIP_OK;
 262                         size_read = fread(buf,1,size_buf,fin);
 263                         if (size_read < size_buf)
 264                             if (feof(fin)==0)
 265                         {
 266                             printf("error in reading %s\n",filenameinzip);
 267                             err = ZIP_ERRNO;
 268                         }
 269
 270                         if (size_read>0)
 271                         {
 272                             err = zipWriteInFileInZip (zf,buf,size_read);
 273                             if (err<0)
 274                             {
 275                                 printf("error in writing %s in the zipfile\n",
 276                                                  filenameinzip);
 277                             }
 278
 279                         }
 280                     } while ((err == ZIP_OK) && (size_read>0));
 281
 282                 fclose(fin);
 283                 if (err<0)
 284                     err=ZIP_ERRNO;
 285                 else
 286                 {
 287                     err = zipCloseFileInZip(zf);
 288                     if (err!=ZIP_OK)
 289                         printf("error in closing %s in the zipfile\n",
 290                                     filenameinzip);
 291                 }
 292             }
 293         }
 294         errclose = zipClose(zf,NULL);
 295         if (errclose != ZIP_OK)
 296             printf("error in closing %s\n",filename_try);
 297    }
 298
 299     free(buf);
 300     exit(0);
 301         return 0;  /* to avoid warning */
 302 }