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Remote Control PCs

, 20 Sep 2013 GPL3
Two projects that work together to remote control PCs across a LAN.
/* zutil.h -- internal interface and configuration of the compression library
 * Copyright (C) 1995-2005 Jean-loup Gailly.
 * For conditions of distribution and use, see copyright notice in zlib.h
 */

/* WARNING: this file should *not* be used by applications. It is
   part of the implementation of the compression library and is
   subject to change. Applications should only use zlib.h.
 */

/* @(#) $Id$ */

#ifndef ZUTIL_H
#define ZUTIL_H

#define ZLIB_INTERNAL
#include "zlib.h"

#ifdef STDC
#  ifndef _WIN32_WCE
#    include <stddef.h>
#  endif
#  include <string.h>
#  include <stdlib.h>
#endif
#ifdef NO_ERRNO_H
#   ifdef _WIN32_WCE
      /* The Microsoft C Run-Time Library for Windows CE doesn't have
       * errno.  We define it as a global variable to simplify porting.
       * Its value is always 0 and should not be used.  We rename it to
       * avoid conflict with other libraries that use the same workaround.
       */
#     define errno z_errno
#   endif
    extern int errno;
#else
#  ifndef _WIN32_WCE
#    include <errno.h>
#  endif
#endif

#ifndef local
#  define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */

typedef unsigned char  uch;
typedef uch FAR uchf;
typedef unsigned short ush;
typedef ush FAR ushf;
typedef unsigned long  ulg;

extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */

#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]

#define ERR_RETURN(strm,err) \
  return (strm->msg = (char*)ERR_MSG(err), (err))
/* To be used only when the state is known to be valid */

        /* common constants */

#ifndef DEF_WBITS
#  define DEF_WBITS MAX_WBITS
#endif
/* default windowBits for decompression. MAX_WBITS is for compression only */

#if MAX_MEM_LEVEL >= 8
#  define DEF_MEM_LEVEL 8
#else
#  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
#endif
/* default memLevel */

#define STORED_BLOCK 0
#define STATIC_TREES 1
#define DYN_TREES    2
/* The three kinds of block type */

#define MIN_MATCH  3
#define MAX_MATCH  258
/* The minimum and maximum match lengths */

#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */

        /* target dependencies */

#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
#  define OS_CODE  0x00
#  if defined(__TURBOC__) || defined(__BORLANDC__)
#    if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
       /* Allow compilation with ANSI keywords only enabled */
       void _Cdecl farfree( void *block );
       void *_Cdecl farmalloc( unsigned long nbytes );
#    else
#      include <alloc.h>
#    endif
#  else /* MSC or DJGPP */
#    include <malloc.h>
#  endif
#endif

#ifdef AMIGA
#  define OS_CODE  0x01
#endif

#if defined(VAXC) || defined(VMS)
#  define OS_CODE  0x02
#  define F_OPEN(name, mode) \
     fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
#endif

#if defined(ATARI) || defined(atarist)
#  define OS_CODE  0x05
#endif

#ifdef OS2
#  define OS_CODE  0x06
#  ifdef M_I86
     #include <malloc.h>
#  endif
#endif

#if defined(MACOS) || defined(TARGET_OS_MAC)
#  define OS_CODE  0x07
#  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
#    include <unix.h> /* for fdopen */
#  else
#    ifndef fdopen
#      define fdopen(fd,mode) NULL /* No fdopen() */
#    endif
#  endif
#endif

#ifdef TOPS20
#  define OS_CODE  0x0a
#endif

#ifdef WIN32
#  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
#    define OS_CODE  0x0b
#  endif
#endif

#ifdef __50SERIES /* Prime/PRIMOS */
#  define OS_CODE  0x0f
#endif

#if defined(_BEOS_) || defined(RISCOS)
#  define fdopen(fd,mode) NULL /* No fdopen() */
#endif

#if (defined(_MSC_VER) && (_MSC_VER > 600))
#  if defined(_WIN32_WCE)
#    define fdopen(fd,mode) NULL /* No fdopen() */
#    ifndef _PTRDIFF_T_DEFINED
       typedef int ptrdiff_t;
#      define _PTRDIFF_T_DEFINED
#    endif
#  else
#    define fdopen(fd,type)  _fdopen(fd,type)
#  endif
#endif

        /* common defaults */

#ifndef OS_CODE
#  define OS_CODE  0x03  /* assume Unix */
#endif

#ifndef F_OPEN
#  define F_OPEN(name, mode) fopen((name), (mode))
#endif

         /* functions */

#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
#  ifndef HAVE_VSNPRINTF
#    define HAVE_VSNPRINTF
#  endif
#endif
#if defined(__CYGWIN__)
#  ifndef HAVE_VSNPRINTF
#    define HAVE_VSNPRINTF
#  endif
#endif
#ifndef HAVE_VSNPRINTF
#  ifdef MSDOS
     /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
        but for now we just assume it doesn't. */
#    define NO_vsnprintf
#  endif
#  ifdef __TURBOC__
#    define NO_vsnprintf
#  endif
#  ifdef WIN32
     /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
#    if !defined(vsnprintf) && !defined(NO_vsnprintf)
#      define vsnprintf _vsnprintf
#    endif
#  endif
#  ifdef __SASC
#    define NO_vsnprintf
#  endif
#endif
#ifdef VMS
#  define NO_vsnprintf
#endif

#if defined(pyr)
#  define NO_MEMCPY
#endif
#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
 /* Use our own functions for small and medium model with MSC <= 5.0.
  * You may have to use the same strategy for Borland C (untested).
  * The __SC__ check is for Symantec.
  */
#  define NO_MEMCPY
#endif
#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
#  define HAVE_MEMCPY
#endif
#ifdef HAVE_MEMCPY
#  ifdef SMALL_MEDIUM /* MSDOS small or medium model */
#    define zmemcpy _fmemcpy
#    define zmemcmp _fmemcmp
#    define zmemzero(dest, len) _fmemset(dest, 0, len)
#  else
#    define zmemcpy memcpy
#    define zmemcmp memcmp
#    define zmemzero(dest, len) memset(dest, 0, len)
#  endif
#else
   extern void zmemcpy  OF((Bytef* dest, const Bytef* source, uInt len));
   extern int  zmemcmp  OF((const Bytef* s1, const Bytef* s2, uInt len));
   extern void zmemzero OF((Bytef* dest, uInt len));
#endif

/* Diagnostic functions */
#ifdef DEBUG
#  include <stdio.h>
   extern int z_verbose;
   extern void z_error    OF((char *m));
#  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
#  define Trace(x) {if (z_verbose>=0) fprintf x ;}
#  define Tracev(x) {if (z_verbose>0) fprintf x ;}
#  define Tracevv(x) {if (z_verbose>1) fprintf x ;}
#  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
#  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
#else
#  define Assert(cond,msg)
#  define Trace(x)
#  define Tracev(x)
#  define Tracevv(x)
#  define Tracec(c,x)
#  define Tracecv(c,x)
#endif


voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
void   zcfree  OF((voidpf opaque, voidpf ptr));

#define ZALLOC(strm, items, size) \
           (*((strm)->zalloc))((strm)->opaque, (items), (size))
#define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}

#endif /* ZUTIL_H */

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License

This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)

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About the Author

Andy Bantly
Founder
United States United States
Working as a software developer since 1989. Started out with Basic, FORTRAN and JCL, moved into Visual Basic 1.0, C, then C++, and now I work mainly in C++ using MFC, Win32, and ATL/COM. I use Microsoft Products only because that is what gives me gainful employment. Through work, I have a lot of experience with HTML, JavaScript, XSL transformations, the XMLHTTP object, PHP 4.x, and simple COM object integrations.
 
I've worked for the University of Oklahoma in the school of meteorology (Go SOONERS!), consulting, and now as a Senior Software Engineer. These things keep my lights on and electricity going. My dream job is to own a bowling alley and rub elbows with pro-bowlers! I'm also an avid pedicab driver and have my own cab. I like the hustle of picking up people in downtown and biking them to their destination.
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