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3a9c3d12 NC |
1 | /* |
2 | * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved. | |
3 | * | |
4 | * This software may be freely used, copied, modified, and distributed | |
5 | * provided that the above copyright notice is preserved in all copies of the | |
6 | * software. | |
7 | */ | |
8 | ||
9 | ||
10 | #ifndef _host_LOADED | |
11 | #define _host_LOADED 1 | |
12 | ||
13 | #include <stdio.h> | |
14 | #include <stddef.h> | |
15 | #include <stdlib.h> | |
16 | ||
17 | #ifndef SEEK_SET | |
18 | # define SEEK_SET 0 | |
19 | #endif | |
20 | #ifndef SEEK_CUR | |
21 | # define SEEK_CUR 1 | |
22 | #endif | |
23 | #ifndef SEEK_END | |
24 | # define SEEK_END 2 | |
25 | #endif | |
26 | ||
27 | /* The following for the benefit of compiling on SunOS */ | |
28 | #ifndef offsetof | |
29 | # define offsetof(T, member) ((char *)&(((T *)0)->member) - (char *)0) | |
30 | #endif | |
31 | ||
32 | #ifdef unix /* A temporary sop to older compilers */ | |
33 | # ifndef __unix /* (good for long-term portability?) */ | |
34 | # define __unix 1 | |
35 | # endif | |
36 | #endif | |
37 | ||
38 | #ifdef __unix | |
39 | /* Generic unix -- hopefully a split into other variants will not be */ | |
40 | /* needed. However, beware the 'bsd' test above and safe_toupper etc. */ | |
41 | /* which cope with backwards (pre-posix/X/open) unix compatility. */ | |
42 | # define COMPILING_ON_UNIX 1 | |
43 | #endif | |
44 | #if defined(_WIN32) | |
45 | # define COMPILING_ON_WIN32 1 | |
46 | # if !defined(__CYGWIN32__) | |
47 | # define COMPILING_ON_WINDOWS 1 | |
48 | # endif | |
49 | #endif | |
50 | #if defined(_CONSOLE) | |
51 | # define COMPILING_ON_WINDOWS_CONSOLE 1 | |
52 | # define COMPILING_ON_WINDOWS 1 | |
53 | #endif | |
54 | #ifdef _MSC_VER | |
55 | # define COMPILING_ON_MSDOS 1 | |
56 | # define COMPILING_ON_WINDOWS 1 | |
57 | # if defined(__cplusplus) | |
58 | # define IMPLEMENT_BOOL_AS_INT 1 /* VC++ doesn't have 'bool' (yet) */ | |
59 | # endif | |
60 | #endif | |
61 | /* The '(defined(__sparc) && defined(P_tmpdir) */ | |
62 | /* && !defined(__svr4__))' is to detect gcc on SunOS. */ | |
63 | /* C++ compilers don't have to define __STDC__ */ | |
64 | #if (defined(__sparc) && defined(P_tmpdir)) | |
65 | # if defined(__svr4__) | |
66 | # define COMPILING_ON_SOLARIS | |
67 | # else | |
68 | # define COMPILING_ON_SUNOS | |
69 | # endif | |
70 | #endif | |
71 | #ifdef __hppa | |
72 | # define COMPILING_ON_HPUX | |
73 | #endif | |
74 | ||
75 | /* | |
76 | * The following typedefs may need alteration for obscure host machines. | |
77 | */ | |
78 | #if defined(__alpha) && defined(__osf__) /* =========================== */ | |
79 | /* Under OSF the alpha has 64-bit pointers and 64-bit longs. */ | |
80 | typedef int int32; | |
81 | typedef unsigned int unsigned32; | |
82 | /* IPtr and UPtr are 'ints of same size as pointer'. Do not use in */ | |
83 | /* new code. Currently only used within 'ncc'. */ | |
84 | typedef long int IPtr; | |
85 | typedef unsigned long int UPtr; | |
86 | ||
87 | #else /* all hosts except alpha under OSF ============================= */ | |
88 | ||
89 | typedef long int int32; | |
90 | typedef unsigned long int unsigned32; | |
91 | /* IPtr and UPtr are 'ints of same size as pointer'. Do not use in */ | |
92 | /* new code. Currently only used within 'ncc'. */ | |
93 | #define IPtr int32 | |
94 | #define UPtr unsigned32 | |
95 | #endif /* ============================================================= */ | |
96 | ||
97 | typedef short int int16; | |
98 | typedef unsigned short int unsigned16; | |
99 | typedef signed char int8; | |
100 | typedef unsigned char unsigned8; | |
101 | ||
102 | /* The following code defines the 'bool' type to be 'int' under C */ | |
103 | /* and real 'bool' under C++. It also avoids warnings such as */ | |
104 | /* C++ keyword 'bool' used as identifier. It can be overridden by */ | |
105 | /* defining IMPLEMENT_BOOL_AS_ENUM or IMPLEMENT_BOOL_AS_INT. */ | |
106 | #undef _bool | |
107 | ||
108 | #ifdef IMPLEMENT_BOOL_AS_ENUM | |
109 | enum _bool { _false, _true }; | |
110 | # define _bool enum _bool | |
111 | #elif defined(IMPLEMENT_BOOL_AS_INT) || !defined(__cplusplus) | |
112 | # define _bool int | |
113 | # define _false 0 | |
114 | # define _true 1 | |
115 | #endif | |
116 | ||
117 | #ifdef _bool | |
118 | # if defined(_MFC_VER) || defined(__CC_NORCROFT) /* When using MS Visual C/C++ v4.2 */ | |
119 | # define bool _bool /* avoids "'bool' is reserved word" warning */ | |
120 | # else | |
121 | typedef _bool bool; | |
122 | # endif | |
123 | # define true _true | |
124 | # define false _false | |
125 | #endif | |
126 | ||
127 | #define YES true | |
128 | #define NO false | |
129 | #undef TRUE /* some OSF headers define as 1 */ | |
130 | #define TRUE true | |
131 | #undef FALSE /* some OSF headers define as 1 */ | |
132 | #define FALSE false | |
133 | ||
134 | /* 'uint' conflicts with some Unixen sys/types.h, so we now don't define it */ | |
135 | typedef unsigned8 uint8; | |
136 | typedef unsigned16 uint16; | |
137 | typedef unsigned32 uint32; | |
138 | ||
139 | typedef unsigned Uint; | |
140 | typedef unsigned8 Uint8; | |
141 | typedef unsigned16 Uint16; | |
142 | typedef unsigned32 Uint32; | |
143 | ||
144 | #ifdef ALPHA_TASO_SHORT_ON_OSF /* was __alpha && __osf. */ | |
145 | /* The following sets ArgvType for 64-bit pointers so that */ | |
146 | /* DEC Unix (OSF) cc can be used with the -xtaso_short compiler option */ | |
147 | /* to force pointers to be 32-bit. Not currently used since most/all */ | |
148 | /* ARM tools accept 32 or 64 bit pointers transparently. See IPtr. */ | |
149 | #pragma pointer_size (save) | |
150 | #pragma pointer_size (long) | |
151 | typedef char *ArgvType; | |
152 | #pragma pointer_size (restore) | |
153 | #else | |
154 | typedef char *ArgvType; | |
155 | #endif | |
156 | ||
157 | /* | |
158 | * Rotate macros | |
159 | */ | |
160 | #define ROL_32(val, n) \ | |
161 | ((((unsigned32)(val) << (n)) | ((unsigned32)(val) >> (32-(n)))) & 0xFFFFFFFFL) | |
162 | #define ROR_32(val, n) \ | |
163 | ((((unsigned32)(val) >> (n)) | ((unsigned32)(val) << (32-(n)))) & 0xFFFFFFFFL) | |
164 | ||
165 | #ifdef COMPILING_ON_UNIX | |
166 | # define FOPEN_WB "w" | |
167 | # define FOPEN_RB "r" | |
168 | # define FOPEN_RWB "r+" | |
169 | # ifndef __STDC__ /* caveat RISCiX... */ | |
170 | # define remove(file) unlink(file) /* a horrid hack, but probably best? */ | |
171 | # endif | |
172 | #else | |
173 | # define FOPEN_WB "wb" | |
174 | # define FOPEN_RB "rb" | |
175 | # define FOPEN_RWB "rb+" | |
176 | #endif | |
177 | ||
178 | #ifndef FILENAME_MAX | |
179 | # define FILENAME_MAX 256 | |
180 | #endif | |
181 | ||
182 | #if (!defined(__STDC__) && !defined(__cplusplus) && !defined(_MSC_VER)) || \ | |
183 | defined(COMPILING_ON_SUNOS) | |
184 | /* Use bcopy rather than memmove, as memmove is not available. */ | |
185 | /* There does not seem to be a header for bcopy. */ | |
186 | void bcopy(const char *src, char *dst, int length); | |
187 | # define memmove(d,s,l) bcopy(s,d,l) | |
188 | ||
189 | /* BSD/SUN don't have strtoul(), but then strtol() doesn't barf on */ | |
190 | /* overflow as required by ANSI... This bodge is horrid. */ | |
191 | # define strtoul(s, ptr, base) strtol(s, ptr, base) | |
192 | ||
193 | /* strtod is present in the C-library but is not in stdlib.h */ | |
194 | extern double strtod(const char *str, char **ptr); | |
195 | #endif | |
196 | ||
197 | /* For systems that do not define EXIT_SUCCESS and EXIT_FAILURE */ | |
198 | #ifndef EXIT_SUCCESS | |
199 | # define EXIT_SUCCESS 0 | |
200 | #endif | |
201 | #ifndef EXIT_FAILURE | |
202 | # define EXIT_FAILURE 1 | |
203 | #endif | |
204 | ||
205 | #ifndef IGNORE | |
206 | #define IGNORE(x) (x = x) /* Silence compiler warnings for unused arguments */ | |
207 | #endif | |
208 | ||
209 | /* Define endian-ness of host */ | |
210 | ||
211 | #if defined(__acorn) || defined(__mvs) || defined(_WIN32) || \ | |
212 | (defined(__alpha) && defined(__osf__)) | |
213 | # define HOST_ENDIAN_LITTLE | |
214 | #elif defined(__sparc) || defined(macintosh) | |
215 | # define HOST_ENDIAN_BIG | |
216 | #else | |
217 | # define HOST_ENDIAN_UNKNOWN | |
218 | #endif | |
219 | ||
220 | #endif | |
221 | ||
222 | /* end of host.h */ |