4 files changed, 0 insertions, 701 deletions

diff --git a/contrib/README.contrib b/contrib/README.contrib
index 5e5f9505..d9480eea 100644
--- a/contrib/README.contrib
+++ b/contrib/README.contrib
@@ -49,9 +49,6 @@ puff/       by Mark Adler <madler@alumni.caltech.edu>
 testzlib/   by Gilles Vollant <info@winimage.com>
         Example of the use of zlib
 
-untgz/      by Pedro A. Aranda Gutierrez <paag@tid.es>
-        A very simple tar.gz file extractor using zlib
-
 vstudio/    by Gilles Vollant <info@winimage.com>
         Building a minizip-enhanced zlib with Microsoft Visual Studio
         Includes vc11 from kreuzerkrieg and vc12 from davispuh
diff --git a/contrib/untgz/Makefile b/contrib/untgz/Makefile
deleted file mode 100644
index b54266fb..00000000
--- a/contrib/untgz/Makefile
+++ /dev/null
@@ -1,14 +0,0 @@
-CC=cc
-CFLAGS=-g
-
-untgz: untgz.o ../../libz.a
-        $(CC) $(CFLAGS) -o untgz untgz.o -L../.. -lz
-
-untgz.o: untgz.c ../../zlib.h
-        $(CC) $(CFLAGS) -c -I../.. untgz.c
-
-../../libz.a:
-        cd ../..; ./configure; make
-
-clean:
-        rm -f untgz untgz.o *~
diff --git a/contrib/untgz/Makefile.msc b/contrib/untgz/Makefile.msc
deleted file mode 100644
index 77b86022..00000000
--- a/contrib/untgz/Makefile.msc
+++ /dev/null
@@ -1,17 +0,0 @@
-CC=cl
-CFLAGS=-MD
-
-untgz.exe: untgz.obj ..\..\zlib.lib
-        $(CC) $(CFLAGS) untgz.obj ..\..\zlib.lib
-
-untgz.obj: untgz.c ..\..\zlib.h
-        $(CC) $(CFLAGS) -c -I..\.. untgz.c
-
-..\..\zlib.lib:
-        cd ..\..
-        $(MAKE) -f win32\makefile.msc
-        cd contrib\untgz
-
-clean:
-        -del untgz.obj
-        -del untgz.exe
diff --git a/contrib/untgz/untgz.c b/contrib/untgz/untgz.c
deleted file mode 100644
index 78579211..00000000
--- a/contrib/untgz/untgz.c
+++ /dev/null
@@ -1,667 +0,0 @@
-/*
- * untgz.c -- Display contents and extract files from a gzip'd TAR file
- *
- * written by Pedro A. Aranda Gutierrez <paag@tid.es>
- * adaptation to Unix by Jean-loup Gailly <jloup@gzip.org>
- * various fixes by Cosmin Truta <cosmint@cs.ubbcluj.ro>
- *
- * This software is provided 'as-is', without any express or implied
- * warranty.  In no event will the authors be held liable for any damages
- * arising from the use of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- *    claim that you wrote the original software. If you use this software
- *    in a product, an acknowledgment in the product documentation would be
- *    appreciated but is not required.
- * 2. Altered source versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <errno.h>
-
-#include "zlib.h"
-
-#ifdef _WIN32
-#  include <direct.h>
-#  include <io.h>
-#  include <windows.h>
-#  ifndef F_OK
-#    define F_OK  0
-#  endif
-#  define mkdir(dirname,mode)   _mkdir(dirname)
-#  ifdef _MSC_VER
-#    define access(path,mode)   _access(path,mode)
-#    define chmod(path,mode)    _chmod(path,mode)
-#    define strdup(str)         _strdup(str)
-#  endif
-#else
-#  include <sys/stat.h>
-#  include <unistd.h>
-#  include <utime.h>
-#endif
-
-
-/* values used in typeflag field */
-
-#define REGTYPE  '0'            /* regular file */
-#define AREGTYPE '\0'           /* regular file */
-#define LNKTYPE  '1'            /* link */
-#define SYMTYPE  '2'            /* reserved */
-#define CHRTYPE  '3'            /* character special */
-#define BLKTYPE  '4'            /* block special */
-#define DIRTYPE  '5'            /* directory */
-#define FIFOTYPE '6'            /* FIFO special */
-#define CONTTYPE '7'            /* reserved */
-
-/* GNU tar extensions */
-
-#define GNUTYPE_DUMPDIR  'D'    /* file names from dumped directory */
-#define GNUTYPE_LONGLINK 'K'    /* long link name */
-#define GNUTYPE_LONGNAME 'L'    /* long file name */
-#define GNUTYPE_MULTIVOL 'M'    /* continuation of file from another volume */
-#define GNUTYPE_NAMES    'N'    /* file name that does not fit into main hdr */
-#define GNUTYPE_SPARSE   'S'    /* sparse file */
-#define GNUTYPE_VOLHDR   'V'    /* tape/volume header */
-
-
-/* tar header */
-
-#define BLOCKSIZE     512
-#define SHORTNAMESIZE 100
-
-struct tar_header
-{                               /* byte offset */
-  char name[100];               /*   0 */
-  char mode[8];                 /* 100 */
-  char uid[8];                  /* 108 */
-  char gid[8];                  /* 116 */
-  char size[12];                /* 124 */
-  char mtime[12];               /* 136 */
-  char chksum[8];               /* 148 */
-  char typeflag;                /* 156 */
-  char linkname[100];           /* 157 */
-  char magic[6];                /* 257 */
-  char version[2];              /* 263 */
-  char uname[32];               /* 265 */
-  char gname[32];               /* 297 */
-  char devmajor[8];             /* 329 */
-  char devminor[8];             /* 337 */
-  char prefix[155];             /* 345 */
-                                /* 500 */
-};
-
-union tar_buffer
-{
-  char               buffer[BLOCKSIZE];
-  struct tar_header  header;
-};
-
-struct attr_item
-{
-  struct attr_item  *next;
-  char              *fname;
-  int                mode;
-  time_t             time;
-};
-
-enum { TGZ_EXTRACT, TGZ_LIST, TGZ_INVALID };
-
-char *prog;
-
-void error(const char *msg)
-{
-  fprintf(stderr, "%s: %s\n", prog, msg);
-  exit(1);
-}
-
-const char *TGZsuffix[] = { "\0", ".tar", ".tar.gz", ".taz", ".tgz", NULL };
-
-/* return the file name of the TGZ archive */
-/* or NULL if it does not exist */
-
-char *TGZfname (const char *arcname)
-{
-  static char buffer[1024];
-  int origlen,i;
-
-  strcpy(buffer,arcname);
-  origlen = strlen(buffer);
-
-  for (i=0; TGZsuffix[i]; i++)
-    {
-       strcpy(buffer+origlen,TGZsuffix[i]);
-       if (access(buffer,F_OK) == 0)
-         return buffer;
-    }
-  return NULL;
-}
-
-
-/* error message for the filename */
-
-void TGZnotfound (const char *arcname)
-{
-  int i;
-
-  fprintf(stderr,"%s: Couldn't find ",prog);
-  for (i=0;TGZsuffix[i];i++)
-    fprintf(stderr,(TGZsuffix[i+1]) ? "%s%s, " : "or %s%s\n",
-            arcname,
-            TGZsuffix[i]);
-  exit(1);
-}
-
-
-/* convert octal digits to int */
-/* on error return -1 */
-
-int getoct (char *p,int width)
-{
-  int result = 0;
-  char c;
-
-  while (width--)
-    {
-      c = *p++;
-      if (c == 0)
-        break;
-      if (c == ' ')
-        continue;
-      if (c < '0' || c > '7')
-        return -1;
-      result = result * 8 + (c - '0');
-    }
-  return result;
-}
-
-
-/* convert time_t to string */
-/* use the "YYYY/MM/DD hh:mm:ss" format */
-
-char *strtime (time_t *t)
-{
-  struct tm   *local;
-  static char result[32];
-
-  local = localtime(t);
-  sprintf(result,"%4d/%02d/%02d %02d:%02d:%02d",
-          local->tm_year+1900, local->tm_mon+1, local->tm_mday,
-          local->tm_hour, local->tm_min, local->tm_sec);
-  return result;
-}
-
-
-/* set file time */
-
-int setfiletime (char *fname,time_t ftime)
-{
-#ifdef _WIN32
-  static int isWinNT = -1;
-  SYSTEMTIME st;
-  FILETIME locft, modft;
-  struct tm *loctm;
-  HANDLE hFile;
-  int result;
-
-  loctm = localtime(&ftime);
-  if (loctm == NULL)
-    return -1;
-
-  st.wYear         = (WORD)loctm->tm_year + 1900;
-  st.wMonth        = (WORD)loctm->tm_mon + 1;
-  st.wDayOfWeek    = (WORD)loctm->tm_wday;
-  st.wDay          = (WORD)loctm->tm_mday;
-  st.wHour         = (WORD)loctm->tm_hour;
-  st.wMinute       = (WORD)loctm->tm_min;
-  st.wSecond       = (WORD)loctm->tm_sec;
-  st.wMilliseconds = 0;
-  if (!SystemTimeToFileTime(&st, &locft) ||
-      !LocalFileTimeToFileTime(&locft, &modft))
-    return -1;
-
-  if (isWinNT < 0)
-    isWinNT = (GetVersion() < 0x80000000) ? 1 : 0;
-  hFile = CreateFile(fname, GENERIC_WRITE, 0, NULL, OPEN_EXISTING,
-                     (isWinNT ? FILE_FLAG_BACKUP_SEMANTICS : 0),
-                     NULL);
-  if (hFile == INVALID_HANDLE_VALUE)
-    return -1;
-  result = SetFileTime(hFile, NULL, NULL, &modft) ? 0 : -1;
-  CloseHandle(hFile);
-  return result;
-#else
-  struct utimbuf settime;
-
-  settime.actime = settime.modtime = ftime;
-  return utime(fname,&settime);
-#endif
-}
-
-
-/* push file attributes */
-
-void push_attr(struct attr_item **list,char *fname,int mode,time_t time)
-{
-  struct attr_item *item;
-
-  item = (struct attr_item *)malloc(sizeof(struct attr_item));
-  if (item == NULL)
-    error("Out of memory");
-  item->fname = strdup(fname);
-  item->mode  = mode;
-  item->time  = time;
-  item->next  = *list;
-  *list       = item;
-}
-
-
-/* restore file attributes */
-
-void restore_attr(struct attr_item **list)
-{
-  struct attr_item *item, *prev;
-
-  for (item = *list; item != NULL; )
-    {
-      setfiletime(item->fname,item->time);
-      chmod(item->fname,item->mode);
-      prev = item;
-      item = item->next;
-      free(prev);
-    }
-  *list = NULL;
-}
-
-
-/* match regular expression */
-
-#define ISSPECIAL(c) (((c) == '*') || ((c) == '/'))
-
-int ExprMatch (char *string,char *expr)
-{
-  while (1)
-    {
-      if (ISSPECIAL(*expr))
-        {
-          if (*expr == '/')
-            {
-              if (*string != '\\' && *string != '/')
-                return 0;
-              string ++; expr++;
-            }
-          else if (*expr == '*')
-            {
-              if (*expr ++ == 0)
-                return 1;
-              while (*++string != *expr)
-                if (*string == 0)
-                  return 0;
-            }
-        }
-      else
-        {
-          if (*string != *expr)
-            return 0;
-          if (*expr++ == 0)
-            return 1;
-          string++;
-        }
-    }
-}
-
-
-/* recursive mkdir */
-/* abort on ENOENT; ignore other errors like "directory already exists" */
-/* return 1 if OK */
-/*        0 on error */
-
-int makedir (char *newdir)
-{
-  char *buffer = strdup(newdir);
-  char *p;
-  int  len = strlen(buffer);
-
-  if (len <= 0) {
-    free(buffer);
-    return 0;
-  }
-  if (buffer[len-1] == '/') {
-    buffer[len-1] = '\0';
-  }
-  if (mkdir(buffer, 0755) == 0)
-    {
-      free(buffer);
-      return 1;
-    }
-
-  p = buffer+1;
-  while (1)
-    {
-      char hold;
-
-      while(*p && *p != '\\' && *p != '/')
-        p++;
-      hold = *p;
-      *p = 0;
-      if ((mkdir(buffer, 0755) == -1) && (errno == ENOENT))
-        {
-          fprintf(stderr,"%s: Couldn't create directory %s\n",prog,buffer);
-          free(buffer);
-          return 0;
-        }
-      if (hold == 0)
-        break;
-      *p++ = hold;
-    }
-  free(buffer);
-  return 1;
-}
-
-
-int matchname (int arg,int argc,char **argv,char *fname)
-{
-  if (arg == argc)      /* no arguments given (untgz tgzarchive) */
-    return 1;
-
-  while (arg < argc)
-    if (ExprMatch(fname,argv[arg++]))
-      return 1;
-
-  return 0; /* ignore this for the moment being */
-}
-
-
-/* tar file list or extract */
-
-int tar (gzFile in,int action,int arg,int argc,char **argv)
-{
-  union  tar_buffer buffer;
-  int    len;
-  int    err;
-  int    getheader = 1;
-  int    remaining = 0;
-  FILE   *outfile = NULL;
-  char   fname[BLOCKSIZE];
-  int    tarmode;
-  time_t tartime;
-  struct attr_item *attributes = NULL;
-
-  if (action == TGZ_LIST)
-    printf("    date      time     size                       file\n"
-           " ---------- -------- --------- -------------------------------------\n");
-  while (1)
-    {
-      len = gzread(in, &buffer, BLOCKSIZE);
-      if (len < 0)
-        error(gzerror(in, &err));
-      /*
-       * Always expect complete blocks to process
-       * the tar information.
-       */
-      if (len != BLOCKSIZE)
-        {
-          action = TGZ_INVALID; /* force error exit */
-          remaining = 0;        /* force I/O cleanup */
-        }
-
-      /*
-       * If we have to get a tar header
-       */
-      if (getheader >= 1)
-        {
-          /*
-           * if we met the end of the tar
-           * or the end-of-tar block,
-           * we are done
-           */
-          if (len == 0 || buffer.header.name[0] == 0)
-            break;
-
-          tarmode = getoct(buffer.header.mode,8);
-          tartime = (time_t)getoct(buffer.header.mtime,12);
-          if (tarmode == -1 || tartime == (time_t)-1)
-            {
-              buffer.header.name[0] = 0;
-              action = TGZ_INVALID;
-            }
-
-          if (getheader == 1)
-            {
-              strncpy(fname,buffer.header.name,SHORTNAMESIZE);
-              if (fname[SHORTNAMESIZE-1] != 0)
-                  fname[SHORTNAMESIZE] = 0;
-            }
-          else
-            {
-              /*
-               * The file name is longer than SHORTNAMESIZE
-               */
-              if (strncmp(fname,buffer.header.name,SHORTNAMESIZE-1) != 0)
-                  error("bad long name");
-              getheader = 1;
-            }
-
-          /*
-           * Act according to the type flag
-           */
-          switch (buffer.header.typeflag)
-            {
-            case DIRTYPE:
-              if (action == TGZ_LIST)
-                printf(" %s     <dir> %s\n",strtime(&tartime),fname);
-              if (action == TGZ_EXTRACT)
-                {
-                  makedir(fname);
-                  push_attr(&attributes,fname,tarmode,tartime);
-                }
-              break;
-            case REGTYPE:
-            case AREGTYPE:
-              remaining = getoct(buffer.header.size,12);
-              if (remaining == -1)
-                {
-                  action = TGZ_INVALID;
-                  break;
-                }
-              if (action == TGZ_LIST)
-                printf(" %s %9d %s\n",strtime(&tartime),remaining,fname);
-              else if (action == TGZ_EXTRACT)
-                {
-                  if (matchname(arg,argc,argv,fname))
-                    {
-                      outfile = fopen(fname,"wb");
-                      if (outfile == NULL) {
-                        /* try creating directory */
-                        char *p = strrchr(fname, '/');
-                        if (p != NULL) {
-                          *p = '\0';
-                          makedir(fname);
-                          *p = '/';
-                          outfile = fopen(fname,"wb");
-                        }
-                      }
-                      if (outfile != NULL)
-                        printf("Extracting %s\n",fname);
-                      else
-                        fprintf(stderr, "%s: Couldn't create %s",prog,fname);
-                    }
-                  else
-                    outfile = NULL;
-                }
-              getheader = 0;
-              break;
-            case GNUTYPE_LONGLINK:
-            case GNUTYPE_LONGNAME:
-              remaining = getoct(buffer.header.size,12);
-              if (remaining < 0 || remaining >= BLOCKSIZE)
-                {
-                  action = TGZ_INVALID;
-                  break;
-                }
-              len = gzread(in, fname, BLOCKSIZE);
-              if (len < 0)
-                error(gzerror(in, &err));
-              if (fname[BLOCKSIZE-1] != 0 || (int)strlen(fname) > remaining)
-                {
-                  action = TGZ_INVALID;
-                  break;
-                }
-              getheader = 2;
-              break;
-            default:
-              if (action == TGZ_LIST)
-                printf(" %s     <---> %s\n",strtime(&tartime),fname);
-              break;
-            }
-        }
-      else
-        {
-          unsigned int bytes = (remaining > BLOCKSIZE) ? BLOCKSIZE : remaining;
-
-          if (outfile != NULL)
-            {
-              if (fwrite(&buffer,sizeof(char),bytes,outfile) != bytes)
-                {
-                  fprintf(stderr,
-                    "%s: Error writing %s -- skipping\n",prog,fname);
-                  fclose(outfile);
-                  outfile = NULL;
-                  remove(fname);
-                }
-            }
-          remaining -= bytes;
-        }
-
-      if (remaining == 0)
-        {
-          getheader = 1;
-          if (outfile != NULL)
-            {
-              fclose(outfile);
-              outfile = NULL;
-              if (action != TGZ_INVALID)
-                push_attr(&attributes,fname,tarmode,tartime);
-            }
-        }
-
-      /*
-       * Abandon if errors are found
-       */
-      if (action == TGZ_INVALID)
-        {
-          error("broken archive");
-          break;
-        }
-    }
-
-  /*
-   * Restore file modes and time stamps
-   */
-  restore_attr(&attributes);
-
-  if (gzclose(in) != Z_OK)
-    error("failed gzclose");
-
-  return 0;
-}
-
-
-/* ============================================================ */
-
-void help(int exitval)
-{
-  printf("untgz version 0.2.1\n"
-         "  using zlib version %s\n\n",
-         zlibVersion());
-  printf("Usage: untgz file.tgz            extract all files\n"
-         "       untgz file.tgz fname ...  extract selected files\n"
-         "       untgz -l file.tgz         list archive contents\n"
-         "       untgz -h                  display this help\n");
-  exit(exitval);
-}
-
-
-/* ============================================================ */
-
-#if defined(WIN32) && defined(__GNUC__)
-int _CRT_glob = 0;      /* disable argument globbing in MinGW */
-#endif
-
-int main(int argc,char **argv)
-{
-    int         action = TGZ_EXTRACT;
-    int         arg = 1;
-    char        *TGZfile;
-    gzFile      f;
-
-    prog = strrchr(argv[0],'\\');
-    if (prog == NULL)
-      {
-        prog = strrchr(argv[0],'/');
-        if (prog == NULL)
-          {
-            prog = strrchr(argv[0],':');
-            if (prog == NULL)
-              prog = argv[0];
-            else
-              prog++;
-          }
-        else
-          prog++;
-      }
-    else
-      prog++;
-
-    if (argc == 1)
-      help(0);
-
-    if (strcmp(argv[arg],"-l") == 0)
-      {
-        action = TGZ_LIST;
-        if (argc == ++arg)
-          help(0);
-      }
-    else if (strcmp(argv[arg],"-h") == 0)
-      {
-        help(0);
-      }
-
-    if ((TGZfile = TGZfname(argv[arg])) == NULL)
-      TGZnotfound(argv[arg]);
-
-    ++arg;
-    if ((action == TGZ_LIST) && (arg != argc))
-      help(1);
-
-/*
- *  Process the TGZ file
- */
-    switch(action)
-      {
-      case TGZ_LIST:
-      case TGZ_EXTRACT:
-        f = gzopen(TGZfile,"rb");
-        if (f == NULL)
-          {
-            fprintf(stderr,"%s: Couldn't gzopen %s\n",prog,TGZfile);
-            return 1;
-          }
-        exit(tar(f, action, arg, argc, argv));
-      break;
-
-      default:
-        error("Unknown option");
-        exit(1);
-      }
-
-    return 0;
-}