37 # define errno z_errno
51 typedef unsigned char uch;
53 typedef unsigned short ush;
55 typedef unsigned long ulg;
57 extern const char *
const z_errmsg[10];
60 #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
62 #define ERR_RETURN(strm,err) \
63 return (strm->msg = (char*)ERR_MSG(err), (err))
69 # define DEF_WBITS MAX_WBITS
73 #if MAX_MEM_LEVEL >= 8
74 # define DEF_MEM_LEVEL 8
76 # define DEF_MEM_LEVEL MAX_MEM_LEVEL
80 #define STORED_BLOCK 0
81 #define STATIC_TREES 1
89 #define PRESET_DICT 0x20
93 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
95 # if defined(__TURBOC__) || defined(__BORLANDC__)
96 # if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
98 void _Cdecl farfree(
void *block );
99 void *_Cdecl farmalloc(
unsigned long nbytes );
109 # define OS_CODE 0x01
112 #if defined(VAXC) || defined(VMS)
113 # define OS_CODE 0x02
114 # define F_OPEN(name, mode) \
115 fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
118 #if defined(ATARI) || defined(atarist)
119 # define OS_CODE 0x05
123 # define OS_CODE 0x06
129 #if defined(MACOS) || defined(TARGET_OS_MAC)
130 # define OS_CODE 0x07
131 # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
135 # define fdopen(fd,mode) NULL
141 # define OS_CODE 0x0a
146 # define OS_CODE 0x0b
151 # define OS_CODE 0x0f
154 #if defined(_BEOS_) || defined(RISCOS)
155 # define fdopen(fd,mode) NULL
158 #if (defined(_MSC_VER) && (_MSC_VER > 600))
159 # if defined(_WIN32_WCE)
160 # define fdopen(fd,mode) NULL
161 # ifndef _PTRDIFF_T_DEFINED
162 typedef int ptrdiff_t;
163 # define _PTRDIFF_T_DEFINED
166 # define fdopen(fd,type) _fdopen(fd,type)
173 # define OS_CODE 0x03
177 # define F_OPEN(name, mode) fopen((name), (mode))
182 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
183 # ifndef HAVE_VSNPRINTF
184 # define HAVE_VSNPRINTF
187 #if defined(__CYGWIN__)
188 # ifndef HAVE_VSNPRINTF
189 # define HAVE_VSNPRINTF
192 #ifndef HAVE_VSNPRINTF
196 # define NO_vsnprintf
199 # define NO_vsnprintf
203 # if !defined(vsnprintf) && !defined(NO_vsnprintf)
204 # define vsnprintf _vsnprintf
208 # define NO_vsnprintf
212 # define NO_vsnprintf
218 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
225 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
230 # define zmemcpy _fmemcpy
231 # define zmemcmp _fmemcmp
232 # define zmemzero(dest, len) _fmemset(dest, 0, len)
234 # define zmemcpy memcpy
235 # define zmemcmp memcmp
236 # define zmemzero(dest, len) memset(dest, 0, len)
239 extern void zmemcpy
OF((Bytef* dest,
const Bytef* source, uInt len));
240 extern int zmemcmp
OF((
const Bytef* s1,
const Bytef* s2, uInt len));
241 extern void zmemzero
OF((Bytef* dest, uInt len));
247 extern int z_verbose;
248 extern void z_error
OF((
char *m));
249 # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
250 # define Trace(x) {if (z_verbose>=0) fprintf x ;}
251 # define Tracev(x) {if (z_verbose>0) fprintf x ;}
252 # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
253 # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
254 # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
256 # define Assert(cond,msg)
261 # define Tracecv(c,x)
265 voidpf zcalloc
OF((voidpf opaque,
unsigned items,
unsigned size));
266 void zcfree
OF((voidpf opaque, voidpf ptr));
268 #define ZALLOC(strm, items, size) \
269 (*((strm)->zalloc))((strm)->opaque, (items), (size))
270 #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
271 #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
const char *const z_errmsg[10]