Annotation of src/external/gpl3/binutils.old/dist/zlib/zutil.h, Revision 1.4.2.1
1.1 christos 1: /* zutil.h -- internal interface and configuration of the compression library
1.4.2.1 ! martin 2: * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler
1.1 christos 3: * For conditions of distribution and use, see copyright notice in zlib.h
4: */
5:
6: /* WARNING: this file should *not* be used by applications. It is
7: part of the implementation of the compression library and is
8: subject to change. Applications should only use zlib.h.
9: */
10:
1.4.2.1 ! martin 11: /* @(#) Id: zutil.h,v 1.1.1.2 2002/03/11 21:53:28 tromey Exp */
1.1 christos 12:
13: #ifndef ZUTIL_H
14: #define ZUTIL_H
15:
16: #ifdef HAVE_HIDDEN
17: # define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
18: #else
19: # define ZLIB_INTERNAL
20: #endif
21:
22: #include "zlib.h"
23:
24: #if defined(STDC) && !defined(Z_SOLO)
25: # if !(defined(_WIN32_WCE) && defined(_MSC_VER))
26: # include <stddef.h>
27: # endif
28: # include <string.h>
29: # include <stdlib.h>
30: #endif
31:
32: #ifdef Z_SOLO
33: typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
34: #endif
35:
36: #ifndef local
37: # define local static
38: #endif
1.4.2.1 ! martin 39: /* since "static" is used to mean two completely different things in C, we
! 40: define "local" for the non-static meaning of "static", for readability
! 41: (compile with -Dlocal if your debugger can't find static symbols) */
1.1 christos 42:
43: typedef unsigned char uch;
44: typedef uch FAR uchf;
45: typedef unsigned short ush;
46: typedef ush FAR ushf;
47: typedef unsigned long ulg;
48:
1.3 christos 49: extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
1.1 christos 50: /* (size given to avoid silly warnings with Visual C++) */
51:
52: #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
53:
54: #define ERR_RETURN(strm,err) \
1.3 christos 55: return (strm->msg = ERR_MSG(err), (err))
1.1 christos 56: /* To be used only when the state is known to be valid */
57:
58: /* common constants */
59:
60: #ifndef DEF_WBITS
61: # define DEF_WBITS MAX_WBITS
62: #endif
63: /* default windowBits for decompression. MAX_WBITS is for compression only */
64:
65: #if MAX_MEM_LEVEL >= 8
66: # define DEF_MEM_LEVEL 8
67: #else
68: # define DEF_MEM_LEVEL MAX_MEM_LEVEL
69: #endif
70: /* default memLevel */
71:
72: #define STORED_BLOCK 0
73: #define STATIC_TREES 1
74: #define DYN_TREES 2
75: /* The three kinds of block type */
76:
77: #define MIN_MATCH 3
78: #define MAX_MATCH 258
79: /* The minimum and maximum match lengths */
80:
81: #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
82:
83: /* target dependencies */
84:
85: #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
86: # define OS_CODE 0x00
87: # ifndef Z_SOLO
88: # if defined(__TURBOC__) || defined(__BORLANDC__)
89: # if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
90: /* Allow compilation with ANSI keywords only enabled */
91: void _Cdecl farfree( void *block );
92: void *_Cdecl farmalloc( unsigned long nbytes );
93: # else
94: # include <alloc.h>
95: # endif
96: # else /* MSC or DJGPP */
97: # include <malloc.h>
98: # endif
99: # endif
100: #endif
101:
102: #ifdef AMIGA
1.4.2.1 ! martin 103: # define OS_CODE 1
1.1 christos 104: #endif
105:
106: #if defined(VAXC) || defined(VMS)
1.4.2.1 ! martin 107: # define OS_CODE 2
1.1 christos 108: # define F_OPEN(name, mode) \
109: fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
110: #endif
111:
1.4.2.1 ! martin 112: #ifdef __370__
! 113: # if __TARGET_LIB__ < 0x20000000
! 114: # define OS_CODE 4
! 115: # elif __TARGET_LIB__ < 0x40000000
! 116: # define OS_CODE 11
! 117: # else
! 118: # define OS_CODE 8
! 119: # endif
! 120: #endif
! 121:
1.1 christos 122: #if defined(ATARI) || defined(atarist)
1.4.2.1 ! martin 123: # define OS_CODE 5
1.1 christos 124: #endif
125:
126: #ifdef OS2
1.4.2.1 ! martin 127: # define OS_CODE 6
1.1 christos 128: # if defined(M_I86) && !defined(Z_SOLO)
129: # include <malloc.h>
130: # endif
131: #endif
132:
133: #if defined(MACOS) || defined(TARGET_OS_MAC)
1.4.2.1 ! martin 134: # define OS_CODE 7
1.1 christos 135: # ifndef Z_SOLO
136: # if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
137: # include <unix.h> /* for fdopen */
138: # else
139: # ifndef fdopen
140: # define fdopen(fd,mode) NULL /* No fdopen() */
141: # endif
142: # endif
143: # endif
144: #endif
145:
1.4.2.1 ! martin 146: #ifdef __acorn
! 147: # define OS_CODE 13
1.1 christos 148: #endif
149:
1.4.2.1 ! martin 150: #if defined(WIN32) && !defined(__CYGWIN__)
! 151: # define OS_CODE 10
! 152: #endif
! 153:
! 154: #ifdef _BEOS_
! 155: # define OS_CODE 16
! 156: #endif
! 157:
! 158: #ifdef __TOS_OS400__
! 159: # define OS_CODE 18
1.1 christos 160: #endif
161:
1.4.2.1 ! martin 162: #ifdef __APPLE__
! 163: # define OS_CODE 19
1.1 christos 164: #endif
165:
166: #if defined(_BEOS_) || defined(RISCOS)
167: # define fdopen(fd,mode) NULL /* No fdopen() */
168: #endif
169:
170: #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
171: # if defined(_WIN32_WCE)
172: # define fdopen(fd,mode) NULL /* No fdopen() */
173: # ifndef _PTRDIFF_T_DEFINED
174: typedef int ptrdiff_t;
175: # define _PTRDIFF_T_DEFINED
176: # endif
177: # else
178: # define fdopen(fd,type) _fdopen(fd,type)
179: # endif
180: #endif
181:
182: #if defined(__BORLANDC__) && !defined(MSDOS)
183: #pragma warn -8004
184: #pragma warn -8008
185: #pragma warn -8066
186: #endif
187:
188: /* provide prototypes for these when building zlib without LFS */
1.3 christos 189: #if !defined(_WIN32) && \
190: (!defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0)
1.1 christos 191: ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
192: ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
193: #endif
194:
195: /* common defaults */
196:
197: #ifndef OS_CODE
1.4.2.1 ! martin 198: # define OS_CODE 3 /* assume Unix */
1.1 christos 199: #endif
200:
201: #ifndef F_OPEN
202: # define F_OPEN(name, mode) fopen((name), (mode))
203: #endif
204:
205: /* functions */
206:
207: #if defined(pyr) || defined(Z_SOLO)
208: # define NO_MEMCPY
209: #endif
210: #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
211: /* Use our own functions for small and medium model with MSC <= 5.0.
212: * You may have to use the same strategy for Borland C (untested).
213: * The __SC__ check is for Symantec.
214: */
215: # define NO_MEMCPY
216: #endif
217: #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
218: # define HAVE_MEMCPY
219: #endif
220: #ifdef HAVE_MEMCPY
221: # ifdef SMALL_MEDIUM /* MSDOS small or medium model */
222: # define zmemcpy _fmemcpy
223: # define zmemcmp _fmemcmp
224: # define zmemzero(dest, len) _fmemset(dest, 0, len)
225: # else
226: # define zmemcpy memcpy
227: # define zmemcmp memcmp
228: # define zmemzero(dest, len) memset(dest, 0, len)
229: # endif
230: #else
231: void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
232: int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
233: void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
234: #endif
235:
236: /* Diagnostic functions */
1.4.2.1 ! martin 237: #ifdef ZLIB_DEBUG
1.1 christos 238: # include <stdio.h>
239: extern int ZLIB_INTERNAL z_verbose;
240: extern void ZLIB_INTERNAL z_error OF((char *m));
241: # define Assert(cond,msg) {if(!(cond)) z_error(msg);}
242: # define Trace(x) {if (z_verbose>=0) fprintf x ;}
243: # define Tracev(x) {if (z_verbose>0) fprintf x ;}
244: # define Tracevv(x) {if (z_verbose>1) fprintf x ;}
245: # define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
246: # define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
247: #else
248: # define Assert(cond,msg)
249: # define Trace(x)
250: # define Tracev(x)
251: # define Tracevv(x)
252: # define Tracec(c,x)
253: # define Tracecv(c,x)
254: #endif
255:
256: #ifndef Z_SOLO
257: voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
258: unsigned size));
259: void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
260: #endif
261:
262: #define ZALLOC(strm, items, size) \
263: (*((strm)->zalloc))((strm)->opaque, (items), (size))
264: #define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
265: #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
266:
267: /* Reverse the bytes in a 32-bit value */
268: #define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
269: (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
270:
271: #endif /* ZUTIL_H */
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