minizip.c
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:8k
- #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"
- #define WRITEBUFFERSIZE (16384)
- #define MAXFILENAME (256)
- #ifdef WIN32
- uLong 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 unix
- uLong 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];
- int len = strlen(f);
- strcpy(name, f);
- if (name[len - 1] == '/')
- name[len - 1] = ' ';
- /* 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;
- }
- #else
- uLong 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
- #endif
- int 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 0.15, demo of zLib + Zip package written by Gilles Vollantn");
- printf("more info at http://wwww.winimage/zLibDll/unzip.htmnn");
- }
- void do_help()
- {
- printf("Usage : minizip [-o] file.zip [files_to_add]nn") ;
- }
- 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];
- int zipok;
- int err=0;
- int size_buf=0;
- void* buf=NULL,
- do_banner();
- if (argc==1)
- {
- do_help();
- exit(0);
- return 0;
- }
- else
- {
- for (i=1;i<argc;i++)
- {
- if ((*argv[i])=='-')
- {
- const char *p=argv[i]+1;
-
- while ((*p)!=' ')
- {
- char c=*(p++);;
- if ((c=='o') || (c=='O'))
- opt_overwrite = 1;
- if ((c>='0') && (c<='9'))
- opt_compress_level = c-'0';
- }
- }
- else
- if (zipfilenamearg == 0)
- zipfilenamearg = i ;
- }
- }
- size_buf = WRITEBUFFERSIZE;
- buf = (void*)malloc(size_buf);
- if (buf==NULL)
- {
- printf("Error allocating memoryn");
- return ZIP_INTERNALERROR;
- }
- if (zipfilenamearg==0)
- zipok=0;
- else
- {
- int i,len;
- int dot_found=0;
- zipok = 1 ;
- strcpy(filename_try,argv[zipfilenamearg]);
- len=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==0)
- if (check_exist_file(filename_try)!=0)
- {
- char rep;
- do
- {
- char answer[128];
- printf("The file %s exist. Overwrite ? [y]es, [n]o : ",filename_try);
- scanf("%1s",answer);
- rep = answer[0] ;
- if ((rep>='a') && (rep<='z'))
- rep -= 0x20;
- }
- while ((rep!='Y') && (rep!='N'));
- if (rep=='N')
- zipok = 0;
- }
- }
- if (zipok==1)
- {
- zipFile zf;
- int errclose;
- zf = zipOpen(filename_try,0);
- if (zf == NULL)
- {
- printf("error opening %sn",filename_try);
- err= ZIP_ERRNO;
- }
- else
- printf("creating %sn",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;
- zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
- zi.tmz_date.tm_mday = zi.tmz_date.tm_min = 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 (err != ZIP_OK)
- printf("error in opening %s in zipfilen",filenameinzip);
- else
- {
- fin = fopen(filenameinzip,"rb");
- if (fin==NULL)
- {
- err=ZIP_ERRNO;
- printf("error in opening %s for readingn",filenameinzip);
- }
- }
- if (err == ZIP_OK)
- do
- {
- err = ZIP_OK;
- size_read = fread(buf,1,size_buf,fin);
- if (size_read < size_buf)
- if (feof(fin)==0)
- {
- printf("error in reading %sn",filenameinzip);
- err = ZIP_ERRNO;
- }
- if (size_read>0)
- {
- err = zipWriteInFileInZip (zf,buf,size_read);
- if (err<0)
- {
- printf("error in writing %s in the zipfilen",
- filenameinzip);
- }
-
- }
- } while ((err == ZIP_OK) && (size_read>0));
- fclose(fin);
- if (err<0)
- err=ZIP_ERRNO;
- else
- {
- err = zipCloseFileInZip(zf);
- if (err!=ZIP_OK)
- printf("error in closing %s in the zipfilen",
- filenameinzip);
- }
- }
- }
- errclose = zipClose(zf,NULL);
- if (errclose != ZIP_OK)
- printf("error in closing %sn",filename_try);
- }
- free(buf);
- exit(0);
- return 0; /* to avoid warning */
- }