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#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] = '\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;}#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 Vollant\n"); printf("more info at http://wwww.winimage/zLibDll/unzip.htm\n\n");}
void do_help(){ printf("Usage : minizip [-o] file.zip [files_to_add]\n\n") ;}
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)!='\0') { 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 memory\n"); 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 %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;
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 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 = 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));
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); exit(0); return 0; /* to avoid warning */}
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