1 /* ucl_conf.h -- main internal configuration file for the the UCL library
2 
3    This file is part of the UCL data compression library.
4 
5    Copyright (C) 1996-2004 Markus Franz Xaver Johannes Oberhumer
6    All Rights Reserved.
7 
8    The UCL library is free software; you can redistribute it and/or
9    modify it under the terms of the GNU General Public License as
10    published by the Free Software Foundation; either version 2 of
11    the License, or (at your option) any later version.
12 
13    The UCL library is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with the UCL library; see the file COPYING.
20    If not, write to the Free Software Foundation, Inc.,
21    59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 
23    Markus F.X.J. Oberhumer
24    <markus@oberhumer.com>
25    http://www.oberhumer.com/opensource/ucl/
26  */
27 
28 
29 /* WARNING: this file should *not* be used by applications. It is
30    part of the implementation of the library and is subject
31    to change.
32  */
33 
34 
35 #ifndef __UCL_CONF_H
36 #define __UCL_CONF_H
37 
38 
39 /***********************************************************************
40 //
41 ************************************************************************/
42 
43 #if defined(__UCLCONF_H_INCLUDED)
44 #  error "include this file first"
45 #endif
46 #include <ucl/uclconf.h>
47 
48 #if defined(UCL_HAVE_CONFIG_H)
49 #  define ACC_CONFIG_NO_HEADER 1
50 #endif
51 #define __ACCLIB_FUNCNAME(f)        error_do_not_use_acclib
52 #include "acc/acc.h"
53 
54 #if (ACC_CC_MSC && (_MSC_VER >= 1300))
55    /* avoid `-Wall' warnings in system header files */
56 #  pragma warning(disable: 4820)
57    /* avoid warnings about inlining */
58 #  pragma warning(disable: 4710 4711)
59 #endif
60 
61 #if defined(__UCL_MMODEL_HUGE) && (!ACC_HAVE_MM_HUGE_PTR)
62 #  error "this should not happen - check defines for __huge"
63 #endif
64 #if !defined(__UCL_MMODEL_HUGE) && defined(HAVE_MEMCMP)
65 #  define ucl_memcmp(a,b,c)     memcmp(a,b,c)
66 #endif
67 #if !defined(__UCL_MMODEL_HUGE) && defined(HAVE_MEMCPY)
68 #  define ucl_memcpy(a,b,c)     memcpy(a,b,c)
69 #endif
70 #if !defined(__UCL_MMODEL_HUGE) && defined(HAVE_MEMMOVE)
71 #  define ucl_memmove(a,b,c)    memmove(a,b,c)
72 #endif
73 #if !defined(__UCL_MMODEL_HUGE) && defined(HAVE_MEMSET)
74 #  define ucl_memset(a,b,c)     memset(a,b,c)
75 #endif
76 
77 #if (ACC_OS_DOS16 + 0 != UCL_OS_DOS16 + 0)
78 #  error "DOS16"
79 #endif
80 #if (ACC_OS_OS216 + 0 != UCL_OS_OS216 + 0)
81 #  error "OS216"
82 #endif
83 #if (ACC_OS_WIN16 + 0 != UCL_OS_WIN16 + 0)
84 #  error "WIN16"
85 #endif
86 #if (ACC_OS_DOS32 + 0 != UCL_OS_DOS32 + 0)
87 #  error "DOS32"
88 #endif
89 #if (ACC_OS_OS2 + 0 != UCL_OS_OS2 + 0)
90 #  error "DOS32"
91 #endif
92 #if (ACC_OS_WIN32 + 0 != UCL_OS_WIN32 + 0)
93 #  error "WIN32"
94 #endif
95 #if (ACC_OS_WIN64 + 0 != UCL_OS_WIN64 + 0)
96 #  error "WIN64"
97 #endif
98 
99 
100 #include "acc/acc_incd.h"
101 #if (ACC_OS_DOS16 || ACC_OS_OS216 || ACC_OS_WIN16)
102 #  include "acc/acc_ince.h"
103 #  include "acc/acc_inci.h"
104 #endif
105 
106 #undef NDEBUG
107 #if !defined(UCL_DEBUG)
108 #  define NDEBUG 1
109 #endif
110 #include <assert.h>
111 
112 
113 #if (ACC_OS_DOS16 || ACC_OS_OS216 || ACC_OS_WIN16) && (ACC_CC_BORLANDC)
114 #  if (__BORLANDC__ >= 0x0450)  /* v4.00 */
115 #    pragma option -h           /* enable fast huge pointers */
116 #  else
117 #    pragma option -h-          /* disable fast huge pointers - compiler bug */
118 #  endif
119 #endif
120 
121 
122 /***********************************************************************
123 //
124 ************************************************************************/
125 
126 #if 1
127 #  define UCL_BYTE(x)       ((unsigned char) (x))
128 #else
129 #  define UCL_BYTE(x)       ((unsigned char) ((x) & 0xff))
130 #endif
131 #if 0
132 #  define UCL_USHORT(x)     ((unsigned short) (x))
133 #else
134 #  define UCL_USHORT(x)     ((unsigned short) ((x) & 0xffff))
135 #endif
136 
137 #define UCL_MAX(a,b)        ((a) >= (b) ? (a) : (b))
138 #define UCL_MIN(a,b)        ((a) <= (b) ? (a) : (b))
139 #define UCL_MAX3(a,b,c)     ((a) >= (b) ? UCL_MAX(a,c) : UCL_MAX(b,c))
140 #define UCL_MIN3(a,b,c)     ((a) <= (b) ? UCL_MIN(a,c) : UCL_MIN(b,c))
141 
142 #define ucl_sizeof(type)    ((ucl_uint) (sizeof(type)))
143 
144 #define UCL_HIGH(array)     ((ucl_uint) (sizeof(array)/sizeof(*(array))))
145 
146 /* this always fits into 16 bits */
147 #define UCL_SIZE(bits)      (1u << (bits))
148 #define UCL_MASK(bits)      (UCL_SIZE(bits) - 1)
149 
150 #define UCL_LSIZE(bits)     (1ul << (bits))
151 #define UCL_LMASK(bits)     (UCL_LSIZE(bits) - 1)
152 
153 #define UCL_USIZE(bits)     ((ucl_uint) 1 << (bits))
154 #define UCL_UMASK(bits)     (UCL_USIZE(bits) - 1)
155 
156 /* Maximum value of a signed/unsigned type.
157    Do not use casts, avoid overflows ! */
158 #define UCL_STYPE_MAX(b)    (((1l  << (8*(b)-2)) - 1l)  + (1l  << (8*(b)-2)))
159 #define UCL_UTYPE_MAX(b)    (((1ul << (8*(b)-1)) - 1ul) + (1ul << (8*(b)-1)))
160 
161 
162 /***********************************************************************
163 // compiler and architecture specific stuff
164 ************************************************************************/
165 
166 /* Some defines that indicate if memory can be accessed at unaligned
167  * memory addresses. You should also test that this is actually faster
168  * even if it is allowed by your system.
169  */
170 
171 #undef UA_GET2
172 #undef UA_SET2
173 #undef UA_GET4
174 #undef UA_SET4
175 #if 1 && (ACC_ARCH_AMD64 || ACC_ARCH_IA32)
176 #  define UA_GET2(p)    (* (const ucl_ushortp) (p))
177 #  define UA_SET2(p)    (* (ucl_ushortp) (p))
178 #  define UA_GET4(p)    (* (const acc_uint32e_t *) (p))
179 #  define UA_SET4(p)    (* (acc_uint32e_t *) (p))
180 #elif 0 && (ACC_ARCH_M68K) && (ACC_CC_GNUC >= 0x020900ul)
181    typedef struct { unsigned short v; } __ucl_ua2_t __attribute__((__aligned__(1)));
182    typedef struct { unsigned long v; }  __ucl_ua4_t __attribute__((__aligned__(1)));
183 #  define UA_GET2(p)    (((const __ucl_ua2_t *)(p))->v)
184 #  define UA_SET2(p)    (((__ucl_ua2_t *)(p))->v)
185 #  define UA_GET4(p)    (((const __ucl_ua4_t *)(p))->v)
186 #  define UA_SET4(p)    (((__ucl_ua4_t *)(p))->v)
187 #endif
188 
189 
190 /***********************************************************************
191 // some globals
192 ************************************************************************/
193 
194 __UCL_EXTERN_C int __ucl_init_done;
195 UCL_EXTERN(const ucl_bytep) ucl_copyright(void);
196 
197 
198 /***********************************************************************
199 // ANSI C preprocessor macros
200 ************************************************************************/
201 
202 #define _UCL_STRINGIZE(x)           #x
203 #define _UCL_MEXPAND(x)             _UCL_STRINGIZE(x)
204 
205 
206 /***********************************************************************
207 //
208 ************************************************************************/
209 
210 #include "ucl_ptr.h"
211 
212 
213 #endif /* already included */
214 
215 /*
216 vi:ts=4:et
217 */
218 
219