/*
* This file is derived from various .h and .c files from the zlib-1.0.4
* distribution by Jean-loup Gailly and Mark Adler, with some additions
* by Paul Mackerras to aid in implementing Deflate compression and
* decompression for PPP packets. See zlib.h for conditions of
* distribution and use.
*
* Changes that have been made include:
* - added Z_PACKET_FLUSH (see zlib.h for details)
* - added inflateIncomp and deflateOutputPending
* - allow strm->next_out to be NULL, meaning discard the output
*
* $Id: zlib.c,v 1.11 1998/09/13 23:37:12 paulus Exp $
*/
/*
* ==FILEVERSION 971210==
*
* This marker is used by the Linux installation script to determine
* whether an up-to-date version of this file is already installed.
*/
#define NO_DUMMY_DECL
#define NO_ZCFUNCS
#define MY_ZCALLOC
#if defined(__FreeBSD__) && (defined(KERNEL) || defined(_KERNEL))
#define inflate inflate_ppp /* FreeBSD already has an inflate :-( */
#endif
/* +++ zutil.h */
/* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-1996 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.
*/
/* From: zutil.h,v 1.16 1996/07/24 13:41:13 me Exp $ */
#ifndef _Z_UTIL_H
#define _Z_UTIL_H
#include "zlib.h"
#if defined(KERNEL) || defined(_KERNEL)
/* Assume this is a *BSD or SVR4 kernel */
#include <sys/types.h>
#include <sys/time.h>
#include <sys/systm.h>
#undef u
# define HAVE_MEMCPY
# define memcpy(d, s, n) bcopy((s), (d), (n))
# define memset(d, v, n) bzero((d), (n))
# define memcmp bcmp
#else
#if defined(__KERNEL__)
/* Assume this is a Linux kernel */
#include <linux/string.h>
#define HAVE_MEMCPY
#else /* not kernel */
#if defined(MSDOS)||defined(VMS)||defined(CRAY)||defined(WIN32)||defined(RISCOS)
# include <stddef.h>
# include <errno.h>
#else
extern int errno;
#endif
#ifdef STDC
# include <string.h>
# include <stdlib.h>
#endif
#endif /* __KERNEL__ */
#endif /* _KERNEL || KERNEL */
#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 *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 */
#ifdef MSDOS
# define OS_CODE 0x00
# ifdef __TURBOC__
# include <alloc.h>
# else /* MSC or DJGPP */
# include <malloc.h>
# endif
#endif
#ifdef OS2
# define OS_CODE 0x06
#endif
#ifdef WIN32 /* Window 95 & Windows NT */
# define OS_CODE 0x0b
#endif
#if defined(VAXC) || defined(VMS)
# define OS_CODE 0x02
# define FOPEN(name, mode) \
fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
#endif
#ifdef AMIGA
# define OS_CODE 0x01
#endif
#if defined(ATARI) || defined(atarist)
# define OS_CODE 0x05
#endif
#ifdef MACOS
# define OS_CODE 0x07
#endif
#ifdef __50SERIES /* Prime/PRIMOS */
# define OS_CODE 0x0F
#endif
#ifdef TOPS20
# define OS_CODE 0x0a
#endif
#if defined(_BEOS_) || defined(RISCOS)
# define fdopen(fd,mode) NULL /* No fdopen() */
#endif
/* Common defaults */
#ifndef OS_CODE
# define OS_CODE 0x03 /* assume Unix */
#endif
#ifndef FOPEN
# define FOPEN(name, mode) fopen((name), (mode))
#endif
/* functions */
#ifdef HAVE_STRERROR
extern char *strerror OF((int));
# define zstrerror(errnum) strerror(errnum)
#else
# define zstrerror(errnum) ""
#endif
#if defined(pyr)
# define NO_MEMCPY
#endif
#if (defined(M_I86SM) || defined(M_I86MM)) && !defined(_MSC_VER)
/* 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).
*/
# 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, Bytef* source, uInt len));
extern int zmemcmp OF((Bytef* s1, Bytef* s2, uInt len));
extern void zmemzero OF((Bytef* dest, uInt len));
#endif
/* Diagnostic functions */
#ifdef DEBUG_ZLIB
# include <stdio.h>
# ifndef verbose
# define verbose 0
# endif
extern void z_error OF((char *m));
# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
# define Trace(x) fprintf x
# define Tracev(x) {if (verbose) fprintf x ;}
# define Tracevv(x) {if (verbose>1) fprintf x ;}
# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
# define Tracecv(c,x) {if (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
typedef uLong (*check_func) OF((uLong check, const Bytef *buf, uInt len));
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 /* _Z_UTIL_H */
/* --- zutil.h */
/* +++ deflate.h */
/* deflate.h -- internal compression state
* Copyright (C) 1995-1996 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.
*/
/* From: deflate.h,v 1.10 1996/07/02 12:41:00 me Exp $ */
#ifndef _DEFLATE_H
#define _DEFLATE_H
/* #include "zutil.h" */
/* ===========================================================================
* Internal compression state.
*/
#define LENGTH_CODES 29
/* number of length codes, not counting the special END_BLOCK code */
#define LITERALS 256
/* number of literal bytes 0..255 */
#define L_CODES (LITERALS+1+LENGTH_CODES)
/* number of Literal or Length codes, including the END_BLOCK code */
#define D_CODES 30
/* number of distance codes */
#define BL_CODES 19
/* number of codes used to transfer the bit lengths */
#define HEAP_SIZE (2*L_CODES+1)
/* maximum heap size */
#define MAX_BITS 15
/* All codes must not exceed MAX_BITS bits */
#define INIT_STATE 42
#define BUSY_STATE 113
#define FINISH_STATE 666
/* Stream status */
/* Data structure describing a single value and its code string. */
typedef struct ct_data_s {
union {
ush freq; /* frequency count */
ush code; /* bit string */
} fc;
union {
ush dad; /* father node in Huffman tree */
ush len; /* length of bit string */
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ppp-2.4.0.tar.gz (171个子文件)
Changes-2.3 18KB
pppd.8 67KB
chat.8 18KB
pppstats.8 5KB
pppdump.8 2KB
pppgetpass.8 450B
ip-up.local.add 729B
ip-down.local.add 548B
zlib.c 174KB
zlib.c 153KB
sys-linux.c 67KB
sys-solaris.c 63KB
ppp.c 61KB
ppp.c 61KB
lcp.c 54KB
ipcp.c 51KB
auth.c 47KB
main.c 41KB
ipv6cp.c 38KB
ipxcp.c 37KB
options.c 35KB
sys-sunos4.c 35KB
chat.c 33KB
ccp.c 32KB
tdb.c 30KB
bsd-comp.c 29KB
tty.c 29KB
ppp_comp.c 27KB
ppp_comp.c 27KB
ppp_ahdlc.c 22KB
ppp_ahdlc.c 22KB
chap.c 21KB
bsd-comp.c 20KB
deflate.c 19KB
if_ppp.c 19KB
utils.c 18KB
fsm.c 16KB
vjcompress.c 16KB
upap.c 14KB
pppstats.c 13KB
pppdump.c 12KB
md5.c 11KB
demand.c 9KB
deflate.c 9KB
cbcp.c 9KB
multilink.c 9KB
chap_ms.c 9KB
md4.c 8KB
chatchat.c 8KB
pppgetpass.vt.c 5KB
ppp_mod.c 4KB
ppp_mod.c 4KB
passprompt.c 2KB
pppgetpass.gtk.c 2KB
ppp_comp_mod.c 2KB
ppp_comp_mod.c 2KB
magic.c 2KB
ppp_vdcmd.c 2KB
eui64.c 1KB
minconn.c 1KB
ppp_ahdlc_vdcmd.c 1KB
ppp_comp_vdcmd.c 1020B
if_ppp_vdcmd.c 1010B
ppp_ahdlc_mod.c 725B
ppp_ahdlc_mod.c 725B
callback 2KB
README.cbcp 3KB
chap-secrets 78B
chat-callback 3KB
ppp.conf 39B
ppp.conf 39B
configure 4KB
FAQ 25KB
zlib.h 42KB
pppd.h 29KB
zlib.h 27KB
ppp-comp.h 6KB
ppp_defs.h 6KB
if_ppp.h 6KB
ppp_defs.h 6KB
slcompress.h 6KB
ppp-comp.h 6KB
if_pppvar.h 6KB
vjcompress.h 5KB
if_ppp.h 5KB
ipv6cp.h 5KB
ppp-comp.h 5KB
fsm.h 5KB
ppp_mod.h 5KB
ppp_mod.h 5KB
chap.h 4KB
pppio.h 4KB
lcp.h 4KB
pcap-int.h 3KB
ipcp.h 3KB
md5.h 3KB
upap.h 3KB
eui64.h 3KB
tdb.h 3KB
ipxcp.h 3KB
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