From abf180a067223611620dd97dd5681df7c7fa7c9b Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Fri, 9 Sep 2011 23:25:17 -0700
Subject: zlib 1.2.3

---
 contrib/minizip/miniunz.c | 1170 ++++++++++++++++++++++-----------------------
 1 file changed, 585 insertions(+), 585 deletions(-)

(limited to 'contrib/minizip/miniunz.c')

diff --git a/contrib/minizip/miniunz.c b/contrib/minizip/miniunz.c
index 82d8702..f599938 100644
--- a/contrib/minizip/miniunz.c
+++ b/contrib/minizip/miniunz.c
@@ -1,585 +1,585 @@
-/*
-   miniunz.c
-   Version 1.01e, February 12th, 2005
-
-   Copyright (C) 1998-2005 Gilles Vollant
-*/
-
-
-#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>
-#else
-# include <direct.h>
-# include <io.h>
-#endif
-
-#include "unzip.h"
-
-#define CASESENSITIVITY (0)
-#define WRITEBUFFERSIZE (8192)
-#define MAXFILENAME (256)
-
-#ifdef WIN32
-#define USEWIN32IOAPI
-#include "iowin32.h"
-#endif
-/*
-  mini unzip, demo of unzip package
-
-  usage :
-  Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir]
-
-  list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT
-    if it exists
-*/
-
-
-/* change_file_date : change the date/time of a file
-    filename : the filename of the file where date/time must be modified
-    dosdate : the new date at the MSDos format (4 bytes)
-    tmu_date : the SAME new date at the tm_unz format */
-void change_file_date(filename,dosdate,tmu_date)
-    const char *filename;
-    uLong dosdate;
-    tm_unz tmu_date;
-{
-#ifdef WIN32
-  HANDLE hFile;
-  FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite;
-
-  hFile = CreateFile(filename,GENERIC_READ | GENERIC_WRITE,
-                      0,NULL,OPEN_EXISTING,0,NULL);
-  GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite);
-  DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal);
-  LocalFileTimeToFileTime(&ftLocal,&ftm);
-  SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
-  CloseHandle(hFile);
-#else
-#ifdef unix
-  struct utimbuf ut;
-  struct tm newdate;
-  newdate.tm_sec = tmu_date.tm_sec;
-  newdate.tm_min=tmu_date.tm_min;
-  newdate.tm_hour=tmu_date.tm_hour;
-  newdate.tm_mday=tmu_date.tm_mday;
-  newdate.tm_mon=tmu_date.tm_mon;
-  if (tmu_date.tm_year > 1900)
-      newdate.tm_year=tmu_date.tm_year - 1900;
-  else
-      newdate.tm_year=tmu_date.tm_year ;
-  newdate.tm_isdst=-1;
-
-  ut.actime=ut.modtime=mktime(&newdate);
-  utime(filename,&ut);
-#endif
-#endif
-}
-
-
-/* mymkdir and change_file_date are not 100 % portable
-   As I don't know well Unix, I wait feedback for the unix portion */
-
-int mymkdir(dirname)
-    const char* dirname;
-{
-    int ret=0;
-#ifdef WIN32
-    ret = mkdir(dirname);
-#else
-#ifdef unix
-    ret = mkdir (dirname,0775);
-#endif
-#endif
-    return ret;
-}
-
-int makedir (newdir)
-    char *newdir;
-{
-  char *buffer ;
-  char *p;
-  int  len = (int)strlen(newdir);
-
-  if (len <= 0)
-    return 0;
-
-  buffer = (char*)malloc(len+1);
-  strcpy(buffer,newdir);
-
-  if (buffer[len-1] == '/') {
-    buffer[len-1] = '\0';
-  }
-  if (mymkdir(buffer) == 0)
-    {
-      free(buffer);
-      return 1;
-    }
-
-  p = buffer+1;
-  while (1)
-    {
-      char hold;
-
-      while(*p && *p != '\\' && *p != '/')
-        p++;
-      hold = *p;
-      *p = 0;
-      if ((mymkdir(buffer) == -1) && (errno == ENOENT))
-        {
-          printf("couldn't create directory %s\n",buffer);
-          free(buffer);
-          return 0;
-        }
-      if (hold == 0)
-        break;
-      *p++ = hold;
-    }
-  free(buffer);
-  return 1;
-}
-
-void do_banner()
-{
-    printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n");
-    printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");
-}
-
-void do_help()
-{
-    printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \
-           "  -e  Extract without pathname (junk paths)\n" \
-           "  -x  Extract with pathname\n" \
-           "  -v  list files\n" \
-           "  -l  list files\n" \
-           "  -d  directory to extract into\n" \
-           "  -o  overwrite files without prompting\n" \
-           "  -p  extract crypted file using password\n\n");
-}
-
-
-int do_list(uf)
-    unzFile uf;
-{
-    uLong i;
-    unz_global_info gi;
-    int err;
-
-    err = unzGetGlobalInfo (uf,&gi);
-    if (err!=UNZ_OK)
-        printf("error %d with zipfile in unzGetGlobalInfo \n",err);
-    printf(" Length  Method   Size  Ratio   Date    Time   CRC-32     Name\n");
-    printf(" ------  ------   ----  -----   ----    ----   ------     ----\n");
-    for (i=0;i<gi.number_entry;i++)
-    {
-        char filename_inzip[256];
-        unz_file_info file_info;
-        uLong ratio=0;
-        const char *string_method;
-        char charCrypt=' ';
-        err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
-        if (err!=UNZ_OK)
-        {
-            printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
-            break;
-        }
-        if (file_info.uncompressed_size>0)
-            ratio = (file_info.compressed_size*100)/file_info.uncompressed_size;
-
-        /* display a '*' if the file is crypted */
-        if ((file_info.flag & 1) != 0)
-            charCrypt='*';
-
-        if (file_info.compression_method==0)
-            string_method="Stored";
-        else
-        if (file_info.compression_method==Z_DEFLATED)
-        {
-            uInt iLevel=(uInt)((file_info.flag & 0x6)/2);
-            if (iLevel==0)
-              string_method="Defl:N";
-            else if (iLevel==1)
-              string_method="Defl:X";
-            else if ((iLevel==2) || (iLevel==3))
-              string_method="Defl:F"; /* 2:fast , 3 : extra fast*/
-        }
-        else
-            string_method="Unkn. ";
-
-        printf("%7lu  %6s%c%7lu %3lu%%  %2.2lu-%2.2lu-%2.2lu  %2.2lu:%2.2lu  %8.8lx   %s\n",
-                file_info.uncompressed_size,string_method,
-                charCrypt,
-                file_info.compressed_size,
-                ratio,
-                (uLong)file_info.tmu_date.tm_mon + 1,
-                (uLong)file_info.tmu_date.tm_mday,
-                (uLong)file_info.tmu_date.tm_year % 100,
-                (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min,
-                (uLong)file_info.crc,filename_inzip);
-        if ((i+1)<gi.number_entry)
-        {
-            err = unzGoToNextFile(uf);
-            if (err!=UNZ_OK)
-            {
-                printf("error %d with zipfile in unzGoToNextFile\n",err);
-                break;
-            }
-        }
-    }
-
-    return 0;
-}
-
-
-int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
-    unzFile uf;
-    const int* popt_extract_without_path;
-    int* popt_overwrite;
-    const char* password;
-{
-    char filename_inzip[256];
-    char* filename_withoutpath;
-    char* p;
-    int err=UNZ_OK;
-    FILE *fout=NULL;
-    void* buf;
-    uInt size_buf;
-
-    unz_file_info file_info;
-    uLong ratio=0;
-    err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
-
-    if (err!=UNZ_OK)
-    {
-        printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
-        return err;
-    }
-
-    size_buf = WRITEBUFFERSIZE;
-    buf = (void*)malloc(size_buf);
-    if (buf==NULL)
-    {
-        printf("Error allocating memory\n");
-        return UNZ_INTERNALERROR;
-    }
-
-    p = filename_withoutpath = filename_inzip;
-    while ((*p) != '\0')
-    {
-        if (((*p)=='/') || ((*p)=='\\'))
-            filename_withoutpath = p+1;
-        p++;
-    }
-
-    if ((*filename_withoutpath)=='\0')
-    {
-        if ((*popt_extract_without_path)==0)
-        {
-            printf("creating directory: %s\n",filename_inzip);
-            mymkdir(filename_inzip);
-        }
-    }
-    else
-    {
-        const char* write_filename;
-        int skip=0;
-
-        if ((*popt_extract_without_path)==0)
-            write_filename = filename_inzip;
-        else
-            write_filename = filename_withoutpath;
-
-        err = unzOpenCurrentFilePassword(uf,password);
-        if (err!=UNZ_OK)
-        {
-            printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err);
-        }
-
-        if (((*popt_overwrite)==0) && (err==UNZ_OK))
-        {
-            char rep=0;
-            FILE* ftestexist;
-            ftestexist = fopen(write_filename,"rb");
-            if (ftestexist!=NULL)
-            {
-                fclose(ftestexist);
-                do
-                {
-                    char answer[128];
-                    int ret;
-
-                    printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename);
-                    ret = scanf("%1s",answer);
-                    if (ret != 1) 
-                    {
-                       exit(EXIT_FAILURE);
-                    }
-                    rep = answer[0] ;
-                    if ((rep>='a') && (rep<='z'))
-                        rep -= 0x20;
-                }
-                while ((rep!='Y') && (rep!='N') && (rep!='A'));
-            }
-
-            if (rep == 'N')
-                skip = 1;
-
-            if (rep == 'A')
-                *popt_overwrite=1;
-        }
-
-        if ((skip==0) && (err==UNZ_OK))
-        {
-            fout=fopen(write_filename,"wb");
-
-            /* some zipfile don't contain directory alone before file */
-            if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
-                                (filename_withoutpath!=(char*)filename_inzip))
-            {
-                char c=*(filename_withoutpath-1);
-                *(filename_withoutpath-1)='\0';
-                makedir(write_filename);
-                *(filename_withoutpath-1)=c;
-                fout=fopen(write_filename,"wb");
-            }
-
-            if (fout==NULL)
-            {
-                printf("error opening %s\n",write_filename);
-            }
-        }
-
-        if (fout!=NULL)
-        {
-            printf(" extracting: %s\n",write_filename);
-
-            do
-            {
-                err = unzReadCurrentFile(uf,buf,size_buf);
-                if (err<0)
-                {
-                    printf("error %d with zipfile in unzReadCurrentFile\n",err);
-                    break;
-                }
-                if (err>0)
-                    if (fwrite(buf,err,1,fout)!=1)
-                    {
-                        printf("error in writing extracted file\n");
-                        err=UNZ_ERRNO;
-                        break;
-                    }
-            }
-            while (err>0);
-            if (fout)
-                    fclose(fout);
-
-            if (err==0)
-                change_file_date(write_filename,file_info.dosDate,
-                                 file_info.tmu_date);
-        }
-
-        if (err==UNZ_OK)
-        {
-            err = unzCloseCurrentFile (uf);
-            if (err!=UNZ_OK)
-            {
-                printf("error %d with zipfile in unzCloseCurrentFile\n",err);
-            }
-        }
-        else
-            unzCloseCurrentFile(uf); /* don't lose the error */
-    }
-
-    free(buf);
-    return err;
-}
-
-
-int do_extract(uf,opt_extract_without_path,opt_overwrite,password)
-    unzFile uf;
-    int opt_extract_without_path;
-    int opt_overwrite;
-    const char* password;
-{
-    uLong i;
-    unz_global_info gi;
-    int err;
-    FILE* fout=NULL;
-
-    err = unzGetGlobalInfo (uf,&gi);
-    if (err!=UNZ_OK)
-        printf("error %d with zipfile in unzGetGlobalInfo \n",err);
-
-    for (i=0;i<gi.number_entry;i++)
-    {
-        if (do_extract_currentfile(uf,&opt_extract_without_path,
-                                      &opt_overwrite,
-                                      password) != UNZ_OK)
-            break;
-
-        if ((i+1)<gi.number_entry)
-        {
-            err = unzGoToNextFile(uf);
-            if (err!=UNZ_OK)
-            {
-                printf("error %d with zipfile in unzGoToNextFile\n",err);
-                break;
-            }
-        }
-    }
-
-    return 0;
-}
-
-int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password)
-    unzFile uf;
-    const char* filename;
-    int opt_extract_without_path;
-    int opt_overwrite;
-    const char* password;
-{
-    int err = UNZ_OK;
-    if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK)
-    {
-        printf("file %s not found in the zipfile\n",filename);
-        return 2;
-    }
-
-    if (do_extract_currentfile(uf,&opt_extract_without_path,
-                                      &opt_overwrite,
-                                      password) == UNZ_OK)
-        return 0;
-    else
-        return 1;
-}
-
-
-int main(argc,argv)
-    int argc;
-    char *argv[];
-{
-    const char *zipfilename=NULL;
-    const char *filename_to_extract=NULL;
-    const char *password=NULL;
-    char filename_try[MAXFILENAME+16] = "";
-    int i;
-    int opt_do_list=0;
-    int opt_do_extract=1;
-    int opt_do_extract_withoutpath=0;
-    int opt_overwrite=0;
-    int opt_extractdir=0;
-    const char *dirname=NULL;
-    unzFile uf=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=='l') || (c=='L'))
-                        opt_do_list = 1;
-                    if ((c=='v') || (c=='V'))
-                        opt_do_list = 1;
-                    if ((c=='x') || (c=='X'))
-                        opt_do_extract = 1;
-                    if ((c=='e') || (c=='E'))
-                        opt_do_extract = opt_do_extract_withoutpath = 1;
-                    if ((c=='o') || (c=='O'))
-                        opt_overwrite=1;
-                    if ((c=='d') || (c=='D'))
-                    {
-                        opt_extractdir=1;
-                        dirname=argv[i+1];
-                    }
-
-                    if (((c=='p') || (c=='P')) && (i+1<argc))
-                    {
-                        password=argv[i+1];
-                        i++;
-                    }
-                }
-            }
-            else
-            {
-                if (zipfilename == NULL)
-                    zipfilename = argv[i];
-                else if ((filename_to_extract==NULL) && (!opt_extractdir))
-                        filename_to_extract = argv[i] ;
-            }
-        }
-    }
-
-    if (zipfilename!=NULL)
-    {
-
-#        ifdef USEWIN32IOAPI
-        zlib_filefunc_def ffunc;
-#        endif
-
-        strncpy(filename_try, zipfilename,MAXFILENAME-1);
-        /* strncpy doesnt append the trailing NULL, of the string is too long. */
-        filename_try[ MAXFILENAME ] = '\0';
-
-#        ifdef USEWIN32IOAPI
-        fill_win32_filefunc(&ffunc);
-        uf = unzOpen2(zipfilename,&ffunc);
-#        else
-        uf = unzOpen(zipfilename);
-#        endif
-        if (uf==NULL)
-        {
-            strcat(filename_try,".zip");
-#            ifdef USEWIN32IOAPI
-            uf = unzOpen2(filename_try,&ffunc);
-#            else
-            uf = unzOpen(filename_try);
-#            endif
-        }
-    }
-
-    if (uf==NULL)
-    {
-        printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename);
-        return 1;
-    }
-    printf("%s opened\n",filename_try);
-
-    if (opt_do_list==1)
-        return do_list(uf);
-    else if (opt_do_extract==1)
-    {
-        if (opt_extractdir && chdir(dirname)) 
-        {
-          printf("Error changing into %s, aborting\n", dirname);
-          exit(-1);
-        }
-
-        if (filename_to_extract == NULL)
-            return do_extract(uf,opt_do_extract_withoutpath,opt_overwrite,password);
-        else
-            return do_extract_onefile(uf,filename_to_extract,
-                                      opt_do_extract_withoutpath,opt_overwrite,password);
-    }
-    unzCloseCurrentFile(uf);
-
-    return 0;
-}
+/*
+   miniunz.c
+   Version 1.01e, February 12th, 2005
+
+   Copyright (C) 1998-2005 Gilles Vollant
+*/
+
+
+#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>
+#else
+# include <direct.h>
+# include <io.h>
+#endif
+
+#include "unzip.h"
+
+#define CASESENSITIVITY (0)
+#define WRITEBUFFERSIZE (8192)
+#define MAXFILENAME (256)
+
+#ifdef WIN32
+#define USEWIN32IOAPI
+#include "iowin32.h"
+#endif
+/*
+  mini unzip, demo of unzip package
+
+  usage :
+  Usage : miniunz [-exvlo] file.zip [file_to_extract] [-d extractdir]
+
+  list the file in the zipfile, and print the content of FILE_ID.ZIP or README.TXT
+    if it exists
+*/
+
+
+/* change_file_date : change the date/time of a file
+    filename : the filename of the file where date/time must be modified
+    dosdate : the new date at the MSDos format (4 bytes)
+    tmu_date : the SAME new date at the tm_unz format */
+void change_file_date(filename,dosdate,tmu_date)
+    const char *filename;
+    uLong dosdate;
+    tm_unz tmu_date;
+{
+#ifdef WIN32
+  HANDLE hFile;
+  FILETIME ftm,ftLocal,ftCreate,ftLastAcc,ftLastWrite;
+
+  hFile = CreateFile(filename,GENERIC_READ | GENERIC_WRITE,
+                      0,NULL,OPEN_EXISTING,0,NULL);
+  GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite);
+  DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal);
+  LocalFileTimeToFileTime(&ftLocal,&ftm);
+  SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
+  CloseHandle(hFile);
+#else
+#ifdef unix
+  struct utimbuf ut;
+  struct tm newdate;
+  newdate.tm_sec = tmu_date.tm_sec;
+  newdate.tm_min=tmu_date.tm_min;
+  newdate.tm_hour=tmu_date.tm_hour;
+  newdate.tm_mday=tmu_date.tm_mday;
+  newdate.tm_mon=tmu_date.tm_mon;
+  if (tmu_date.tm_year > 1900)
+      newdate.tm_year=tmu_date.tm_year - 1900;
+  else
+      newdate.tm_year=tmu_date.tm_year ;
+  newdate.tm_isdst=-1;
+
+  ut.actime=ut.modtime=mktime(&newdate);
+  utime(filename,&ut);
+#endif
+#endif
+}
+
+
+/* mymkdir and change_file_date are not 100 % portable
+   As I don't know well Unix, I wait feedback for the unix portion */
+
+int mymkdir(dirname)
+    const char* dirname;
+{
+    int ret=0;
+#ifdef WIN32
+    ret = mkdir(dirname);
+#else
+#ifdef unix
+    ret = mkdir (dirname,0775);
+#endif
+#endif
+    return ret;
+}
+
+int makedir (newdir)
+    char *newdir;
+{
+  char *buffer ;
+  char *p;
+  int  len = (int)strlen(newdir);
+
+  if (len <= 0)
+    return 0;
+
+  buffer = (char*)malloc(len+1);
+  strcpy(buffer,newdir);
+
+  if (buffer[len-1] == '/') {
+    buffer[len-1] = '\0';
+  }
+  if (mymkdir(buffer) == 0)
+    {
+      free(buffer);
+      return 1;
+    }
+
+  p = buffer+1;
+  while (1)
+    {
+      char hold;
+
+      while(*p && *p != '\\' && *p != '/')
+        p++;
+      hold = *p;
+      *p = 0;
+      if ((mymkdir(buffer) == -1) && (errno == ENOENT))
+        {
+          printf("couldn't create directory %s\n",buffer);
+          free(buffer);
+          return 0;
+        }
+      if (hold == 0)
+        break;
+      *p++ = hold;
+    }
+  free(buffer);
+  return 1;
+}
+
+void do_banner()
+{
+    printf("MiniUnz 1.01b, demo of zLib + Unz package written by Gilles Vollant\n");
+    printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");
+}
+
+void do_help()
+{
+    printf("Usage : miniunz [-e] [-x] [-v] [-l] [-o] [-p password] file.zip [file_to_extr.] [-d extractdir]\n\n" \
+           "  -e  Extract without pathname (junk paths)\n" \
+           "  -x  Extract with pathname\n" \
+           "  -v  list files\n" \
+           "  -l  list files\n" \
+           "  -d  directory to extract into\n" \
+           "  -o  overwrite files without prompting\n" \
+           "  -p  extract crypted file using password\n\n");
+}
+
+
+int do_list(uf)
+    unzFile uf;
+{
+    uLong i;
+    unz_global_info gi;
+    int err;
+
+    err = unzGetGlobalInfo (uf,&gi);
+    if (err!=UNZ_OK)
+        printf("error %d with zipfile in unzGetGlobalInfo \n",err);
+    printf(" Length  Method   Size  Ratio   Date    Time   CRC-32     Name\n");
+    printf(" ------  ------   ----  -----   ----    ----   ------     ----\n");
+    for (i=0;i<gi.number_entry;i++)
+    {
+        char filename_inzip[256];
+        unz_file_info file_info;
+        uLong ratio=0;
+        const char *string_method;
+        char charCrypt=' ';
+        err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
+        if (err!=UNZ_OK)
+        {
+            printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
+            break;
+        }
+        if (file_info.uncompressed_size>0)
+            ratio = (file_info.compressed_size*100)/file_info.uncompressed_size;
+
+        /* display a '*' if the file is crypted */
+        if ((file_info.flag & 1) != 0)
+            charCrypt='*';
+
+        if (file_info.compression_method==0)
+            string_method="Stored";
+        else
+        if (file_info.compression_method==Z_DEFLATED)
+        {
+            uInt iLevel=(uInt)((file_info.flag & 0x6)/2);
+            if (iLevel==0)
+              string_method="Defl:N";
+            else if (iLevel==1)
+              string_method="Defl:X";
+            else if ((iLevel==2) || (iLevel==3))
+              string_method="Defl:F"; /* 2:fast , 3 : extra fast*/
+        }
+        else
+            string_method="Unkn. ";
+
+        printf("%7lu  %6s%c%7lu %3lu%%  %2.2lu-%2.2lu-%2.2lu  %2.2lu:%2.2lu  %8.8lx   %s\n",
+                file_info.uncompressed_size,string_method,
+                charCrypt,
+                file_info.compressed_size,
+                ratio,
+                (uLong)file_info.tmu_date.tm_mon + 1,
+                (uLong)file_info.tmu_date.tm_mday,
+                (uLong)file_info.tmu_date.tm_year % 100,
+                (uLong)file_info.tmu_date.tm_hour,(uLong)file_info.tmu_date.tm_min,
+                (uLong)file_info.crc,filename_inzip);
+        if ((i+1)<gi.number_entry)
+        {
+            err = unzGoToNextFile(uf);
+            if (err!=UNZ_OK)
+            {
+                printf("error %d with zipfile in unzGoToNextFile\n",err);
+                break;
+            }
+        }
+    }
+
+    return 0;
+}
+
+
+int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
+    unzFile uf;
+    const int* popt_extract_without_path;
+    int* popt_overwrite;
+    const char* password;
+{
+    char filename_inzip[256];
+    char* filename_withoutpath;
+    char* p;
+    int err=UNZ_OK;
+    FILE *fout=NULL;
+    void* buf;
+    uInt size_buf;
+
+    unz_file_info file_info;
+    uLong ratio=0;
+    err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
+
+    if (err!=UNZ_OK)
+    {
+        printf("error %d with zipfile in unzGetCurrentFileInfo\n",err);
+        return err;
+    }
+
+    size_buf = WRITEBUFFERSIZE;
+    buf = (void*)malloc(size_buf);
+    if (buf==NULL)
+    {
+        printf("Error allocating memory\n");
+        return UNZ_INTERNALERROR;
+    }
+
+    p = filename_withoutpath = filename_inzip;
+    while ((*p) != '\0')
+    {
+        if (((*p)=='/') || ((*p)=='\\'))
+            filename_withoutpath = p+1;
+        p++;
+    }
+
+    if ((*filename_withoutpath)=='\0')
+    {
+        if ((*popt_extract_without_path)==0)
+        {
+            printf("creating directory: %s\n",filename_inzip);
+            mymkdir(filename_inzip);
+        }
+    }
+    else
+    {
+        const char* write_filename;
+        int skip=0;
+
+        if ((*popt_extract_without_path)==0)
+            write_filename = filename_inzip;
+        else
+            write_filename = filename_withoutpath;
+
+        err = unzOpenCurrentFilePassword(uf,password);
+        if (err!=UNZ_OK)
+        {
+            printf("error %d with zipfile in unzOpenCurrentFilePassword\n",err);
+        }
+
+        if (((*popt_overwrite)==0) && (err==UNZ_OK))
+        {
+            char rep=0;
+            FILE* ftestexist;
+            ftestexist = fopen(write_filename,"rb");
+            if (ftestexist!=NULL)
+            {
+                fclose(ftestexist);
+                do
+                {
+                    char answer[128];
+                    int ret;
+
+                    printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ",write_filename);
+                    ret = scanf("%1s",answer);
+                    if (ret != 1) 
+                    {
+                       exit(EXIT_FAILURE);
+                    }
+                    rep = answer[0] ;
+                    if ((rep>='a') && (rep<='z'))
+                        rep -= 0x20;
+                }
+                while ((rep!='Y') && (rep!='N') && (rep!='A'));
+            }
+
+            if (rep == 'N')
+                skip = 1;
+
+            if (rep == 'A')
+                *popt_overwrite=1;
+        }
+
+        if ((skip==0) && (err==UNZ_OK))
+        {
+            fout=fopen(write_filename,"wb");
+
+            /* some zipfile don't contain directory alone before file */
+            if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
+                                (filename_withoutpath!=(char*)filename_inzip))
+            {
+                char c=*(filename_withoutpath-1);
+                *(filename_withoutpath-1)='\0';
+                makedir(write_filename);
+                *(filename_withoutpath-1)=c;
+                fout=fopen(write_filename,"wb");
+            }
+
+            if (fout==NULL)
+            {
+                printf("error opening %s\n",write_filename);
+            }
+        }
+
+        if (fout!=NULL)
+        {
+            printf(" extracting: %s\n",write_filename);
+
+            do
+            {
+                err = unzReadCurrentFile(uf,buf,size_buf);
+                if (err<0)
+                {
+                    printf("error %d with zipfile in unzReadCurrentFile\n",err);
+                    break;
+                }
+                if (err>0)
+                    if (fwrite(buf,err,1,fout)!=1)
+                    {
+                        printf("error in writing extracted file\n");
+                        err=UNZ_ERRNO;
+                        break;
+                    }
+            }
+            while (err>0);
+            if (fout)
+                    fclose(fout);
+
+            if (err==0)
+                change_file_date(write_filename,file_info.dosDate,
+                                 file_info.tmu_date);
+        }
+
+        if (err==UNZ_OK)
+        {
+            err = unzCloseCurrentFile (uf);
+            if (err!=UNZ_OK)
+            {
+                printf("error %d with zipfile in unzCloseCurrentFile\n",err);
+            }
+        }
+        else
+            unzCloseCurrentFile(uf); /* don't lose the error */
+    }
+
+    free(buf);
+    return err;
+}
+
+
+int do_extract(uf,opt_extract_without_path,opt_overwrite,password)
+    unzFile uf;
+    int opt_extract_without_path;
+    int opt_overwrite;
+    const char* password;
+{
+    uLong i;
+    unz_global_info gi;
+    int err;
+    FILE* fout=NULL;
+
+    err = unzGetGlobalInfo (uf,&gi);
+    if (err!=UNZ_OK)
+        printf("error %d with zipfile in unzGetGlobalInfo \n",err);
+
+    for (i=0;i<gi.number_entry;i++)
+    {
+        if (do_extract_currentfile(uf,&opt_extract_without_path,
+                                      &opt_overwrite,
+                                      password) != UNZ_OK)
+            break;
+
+        if ((i+1)<gi.number_entry)
+        {
+            err = unzGoToNextFile(uf);
+            if (err!=UNZ_OK)
+            {
+                printf("error %d with zipfile in unzGoToNextFile\n",err);
+                break;
+            }
+        }
+    }
+
+    return 0;
+}
+
+int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,password)
+    unzFile uf;
+    const char* filename;
+    int opt_extract_without_path;
+    int opt_overwrite;
+    const char* password;
+{
+    int err = UNZ_OK;
+    if (unzLocateFile(uf,filename,CASESENSITIVITY)!=UNZ_OK)
+    {
+        printf("file %s not found in the zipfile\n",filename);
+        return 2;
+    }
+
+    if (do_extract_currentfile(uf,&opt_extract_without_path,
+                                      &opt_overwrite,
+                                      password) == UNZ_OK)
+        return 0;
+    else
+        return 1;
+}
+
+
+int main(argc,argv)
+    int argc;
+    char *argv[];
+{
+    const char *zipfilename=NULL;
+    const char *filename_to_extract=NULL;
+    const char *password=NULL;
+    char filename_try[MAXFILENAME+16] = "";
+    int i;
+    int opt_do_list=0;
+    int opt_do_extract=1;
+    int opt_do_extract_withoutpath=0;
+    int opt_overwrite=0;
+    int opt_extractdir=0;
+    const char *dirname=NULL;
+    unzFile uf=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=='l') || (c=='L'))
+                        opt_do_list = 1;
+                    if ((c=='v') || (c=='V'))
+                        opt_do_list = 1;
+                    if ((c=='x') || (c=='X'))
+                        opt_do_extract = 1;
+                    if ((c=='e') || (c=='E'))
+                        opt_do_extract = opt_do_extract_withoutpath = 1;
+                    if ((c=='o') || (c=='O'))
+                        opt_overwrite=1;
+                    if ((c=='d') || (c=='D'))
+                    {
+                        opt_extractdir=1;
+                        dirname=argv[i+1];
+                    }
+
+                    if (((c=='p') || (c=='P')) && (i+1<argc))
+                    {
+                        password=argv[i+1];
+                        i++;
+                    }
+                }
+            }
+            else
+            {
+                if (zipfilename == NULL)
+                    zipfilename = argv[i];
+                else if ((filename_to_extract==NULL) && (!opt_extractdir))
+                        filename_to_extract = argv[i] ;
+            }
+        }
+    }
+
+    if (zipfilename!=NULL)
+    {
+
+#        ifdef USEWIN32IOAPI
+        zlib_filefunc_def ffunc;
+#        endif
+
+        strncpy(filename_try, zipfilename,MAXFILENAME-1);
+        /* strncpy doesnt append the trailing NULL, of the string is too long. */
+        filename_try[ MAXFILENAME ] = '\0';
+
+#        ifdef USEWIN32IOAPI
+        fill_win32_filefunc(&ffunc);
+        uf = unzOpen2(zipfilename,&ffunc);
+#        else
+        uf = unzOpen(zipfilename);
+#        endif
+        if (uf==NULL)
+        {
+            strcat(filename_try,".zip");
+#            ifdef USEWIN32IOAPI
+            uf = unzOpen2(filename_try,&ffunc);
+#            else
+            uf = unzOpen(filename_try);
+#            endif
+        }
+    }
+
+    if (uf==NULL)
+    {
+        printf("Cannot open %s or %s.zip\n",zipfilename,zipfilename);
+        return 1;
+    }
+    printf("%s opened\n",filename_try);
+
+    if (opt_do_list==1)
+        return do_list(uf);
+    else if (opt_do_extract==1)
+    {
+        if (opt_extractdir && chdir(dirname)) 
+        {
+          printf("Error changing into %s, aborting\n", dirname);
+          exit(-1);
+        }
+
+        if (filename_to_extract == NULL)
+            return do_extract(uf,opt_do_extract_withoutpath,opt_overwrite,password);
+        else
+            return do_extract_onefile(uf,filename_to_extract,
+                                      opt_do_extract_withoutpath,opt_overwrite,password);
+    }
+    unzCloseCurrentFile(uf);
+
+    return 0;
+}
-- 
cgit v1.2.3-55-g6feb