#include <stdio.h>#include <stdlib.h>#include <string.h>#include <time.h>#include <errno.h>#include <fcntl.h>#ifdef unix# include <unistd.h># include <utime.h># include <sys/types.h># include <sys/stat.h>#else# include <direct.h># include <io.h>#endif#include "zip.h"#ifdef WIN32#define USEWIN32IOAPI#include "iowin32.h"#endif#define WRITEBUFFERSIZE (16384)#define MAXFILENAME (256)#ifdef WIN32uLong filetime(f, tmzip, dt)    char *f;                /* name of file to get info on */    tm_zip *tmzip;             /* return value: access, modific. and creation times */    uLong *dt;             /* dostime */{  int ret = 0;  {      FILETIME ftLocal;      HANDLE hFind;      WIN32_FIND_DATA  ff32;      hFind = FindFirstFile(f,&ff32);      if (hFind != INVALID_HANDLE_VALUE)      {        FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal);        FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0);        FindClose(hFind);        ret = 1;      }  }  return ret;}#else#ifdef unixuLong filetime(f, tmzip, dt)    char *f;                /* name of file to get info on */    tm_zip *tmzip;             /* return value: access, modific. and creation times */    uLong *dt;             /* dostime */{  int ret=0;  struct stat s;        /* results of stat() */  struct tm* filedate;  time_t tm_t=0;  if (strcmp(f,"-")!=0)  {    char name[MAXFILENAME+1];    int len = strlen(f);    strncpy(name, f,MAXFILENAME-1);    /* strncpy doesnt append the trailing NULL, of the string is too long. */    name[ MAXFILENAME ] = '\0';    if (name[len - 1] == '/')      name[len - 1] = '\0';    /* not all systems allow stat'ing a file with / appended */    if (stat(name,&s)==0)    {      tm_t = s.st_mtime;      ret = 1;    }  }  filedate = localtime(&tm_t);  tmzip->tm_sec  = filedate->tm_sec;  tmzip->tm_min  = filedate->tm_min;  tmzip->tm_hour = filedate->tm_hour;  tmzip->tm_mday = filedate->tm_mday;  tmzip->tm_mon  = filedate->tm_mon ;  tmzip->tm_year = filedate->tm_year;  return ret;}#elseuLong filetime(f, tmzip, dt)    char *f;                /* name of file to get info on */    tm_zip *tmzip;             /* return value: access, modific. and creation times */    uLong *dt;             /* dostime */{    return 0;}#endif#endifint check_exist_file(filename)    const char* filename;{    FILE* ftestexist;    int ret = 1;    ftestexist = fopen(filename,"rb");    if (ftestexist==NULL)        ret = 0;    else        fclose(ftestexist);    return ret;}void do_banner(){    printf("MiniZip 1.00, demo of zLib + Zip package written by Gilles Vollant\n");    printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");}void do_help(){    printf("Usage : minizip [-o] [-a] [-0 to -9] [-p password] file.zip [files_to_add]\n\n" \           "  -o  Overwrite existing file.zip\n" \           "  -a  Append to existing file.zip\n" \           "  -0  Store only\n" \           "  -1  Compress faster\n" \           "  -9  Compress better\n\n");}/* calculate the CRC32 of a file,   because to encrypt a file, we need known the CRC32 of the file before */int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc){   unsigned long calculate_crc=0;   int err=ZIP_OK;   FILE * fin = fopen(filenameinzip,"rb");   unsigned long size_read = 0;   unsigned long total_read = 0;   if (fin==NULL)   {       err = ZIP_ERRNO;   }    if (err == ZIP_OK)        do        {            err = ZIP_OK;            size_read = (int)fread(buf,1,size_buf,fin);            if (size_read < size_buf)                if (feof(fin)==0)            {                printf("error in reading %s\n",filenameinzip);                err = ZIP_ERRNO;            }            if (size_read>0)                calculate_crc = crc32(calculate_crc,buf,size_read);            total_read += size_read;        } while ((err == ZIP_OK) && (size_read>0));    if (fin)        fclose(fin);    *result_crc=calculate_crc;    printf("file %s crc %x\n",filenameinzip,calculate_crc);    return err;}int main(argc,argv)    int argc;    char *argv[];{    int i;    int opt_overwrite=0;    int opt_compress_level=Z_DEFAULT_COMPRESSION;    int zipfilenamearg = 0;    char filename_try[MAXFILENAME+16];    int zipok;    int err=0;    int size_buf=0;    void* buf=NULL;    const char* password=NULL;    do_banner();    if (argc==1)    {        do_help();        return 0;    }    else    {        for (i=1;i<argc;i++)        {            if ((*argv[i])=='-')            {                const char *p=argv[i]+1;                while ((*p)!='\0')                {                    char c=*(p++);;                    if ((c=='o') || (c=='O'))                        opt_overwrite = 1;                    if ((c=='a') || (c=='A'))                        opt_overwrite = 2;                    if ((c>='0') && (c<='9'))                        opt_compress_level = c-'0';                    if (((c=='p') || (c=='P')) && (i+1<argc))                    {                        password=argv[i+1];                        i++;                    }                }            }            else                if (zipfilenamearg == 0)                    zipfilenamearg = i ;        }    }    size_buf = WRITEBUFFERSIZE;    buf = (void*)malloc(size_buf);    if (buf==NULL)    {        printf("Error allocating memory\n");        return ZIP_INTERNALERROR;    }    if (zipfilenamearg==0)        zipok=0;    else    {        int i,len;        int dot_found=0;        zipok = 1 ;        strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1);        /* strncpy doesnt append the trailing NULL, of the string is too long. */        filename_try[ MAXFILENAME ] = '\0';        len=(int)strlen(filename_try);        for (i=0;i<len;i++)            if (filename_try[i]=='.')                dot_found=1;        if (dot_found==0)            strcat(filename_try,".zip");        if (opt_overwrite==2)        {            /* if the file don't exist, we not append file */            if (check_exist_file(filename_try)==0)                opt_overwrite=1;        }        else        if (opt_overwrite==0)            if (check_exist_file(filename_try)!=0)            {                char rep=0;                do                {                    char answer[128];                    printf("The file %s exist. Overwrite ? [y]es, [n]o, [a]ppend : ",filename_try);                    scanf("%1s",answer);                    rep = answer[0] ;                    if ((rep>='a') && (rep<='z'))                        rep -= 0x20;                }                while ((rep!='Y') && (rep!='N') && (rep!='A'));                if (rep=='N')                    zipok = 0;                if (rep=='A')                    opt_overwrite = 2;            }    }    if (zipok==1)    {        zipFile zf;        int errclose;#        ifdef USEWIN32IOAPI        zlib_filefunc_def ffunc;        fill_win32_filefunc(&ffunc);        zf = zipOpen2(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc);#        else        zf = zipOpen(filename_try,(opt_overwrite==2) ? 2 : 0);#        endif        if (zf == NULL)        {            printf("error opening %s\n",filename_try);            err= ZIP_ERRNO;        }        else            printf("creating %s\n",filename_try);        for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++)        {            if (((*(argv[i]))!='-') && ((*(argv[i]))!='/'))            {                FILE * fin;                int size_read;                const char* filenameinzip = argv[i];                zip_fileinfo zi;                unsigned long crcFile=0;                zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =                zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0;                zi.dosDate = 0;                zi.internal_fa = 0;                zi.external_fa = 0;                filetime(filenameinzip,&zi.tmz_date,&zi.dosDate);/*                err = zipOpenNewFileInZip(zf,filenameinzip,&zi,                                 NULL,0,NULL,0,NULL / * comment * /,                                 (opt_compress_level != 0) ? Z_DEFLATED : 0,                                 opt_compress_level);*/                if ((password != NULL) && (err==ZIP_OK))                    err = getFileCrc(filenameinzip,buf,size_buf,&crcFile);                err = zipOpenNewFileInZip3(zf,filenameinzip,&zi,                                 NULL,0,NULL,0,NULL /* comment*/,                                 (opt_compress_level != 0) ? Z_DEFLATED : 0,                                 opt_compress_level,0,                                 /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */                                 -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,                                 password,crcFile);                if (err != ZIP_OK)                    printf("error in opening %s in zipfile\n",filenameinzip);                else                {                    fin = fopen(filenameinzip,"rb");                    if (fin==NULL)                    {                        err=ZIP_ERRNO;                        printf("error in opening %s for reading\n",filenameinzip);                    }                }                if (err == ZIP_OK)                    do                    {                        err = ZIP_OK;                        size_read = (int)fread(buf,1,size_buf,fin);                        if (size_read < size_buf)                            if (feof(fin)==0)                        {                            printf("error in reading %s\n",filenameinzip);                            err = ZIP_ERRNO;                        }                        if (size_read>0)                        {                            err = zipWriteInFileInZip (zf,buf,size_read);                            if (err<0)                            {                                printf("error in writing %s in the zipfile\n",                                                 filenameinzip);                            }                        }                    } while ((err == ZIP_OK) && (size_read>0));                if (fin)                    fclose(fin);                if (err<0)                    err=ZIP_ERRNO;                else                {                    err = zipCloseFileInZip(zf);                    if (err!=ZIP_OK)                        printf("error in closing %s in the zipfile\n",                                    filenameinzip);                }            }        }        errclose = zipClose(zf,NULL);        if (errclose != ZIP_OK)            printf("error in closing %s\n",filename_try);   }    free(buf);    return 0;}