types.h
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1 /*
2  * Copyright (C) 1996-2018 The Squid Software Foundation and contributors
3  *
4  * Squid software is distributed under GPLv2+ license and includes
5  * contributions from numerous individuals and organizations.
6  * Please see the COPYING and CONTRIBUTORS files for details.
7  */
8 
9 #ifndef SQUID_TYPES_H
10 #define SQUID_TYPES_H
11 
12 /*
13  * Here are defined several known-width types, obtained via autoconf
14  * from system locations or various attempts. This is just a convenience
15  * header to include which takes care of proper preprocessor stuff
16  *
17  * This file is only intended to be included via compat/compat.h, do
18  * not include directly.
19  */
20 
21 /* This should be in synch with what we have in acinclude.m4 */
22 #if HAVE_SYS_TYPES_H
23 #include <sys/types.h>
24 #endif
25 #if HAVE_LINUX_TYPES_H
26 #include <linux/types.h>
27 #endif
28 #if HAVE_STDLIB_H
29 #include <stdlib.h>
30 #endif
31 #if HAVE_STDDEF_H
32 #include <stddef.h>
33 #endif
34 #if HAVE_INTTYPES_H
35 #include <inttypes.h>
36 #endif
37 #if HAVE_SYS_BITYPES_H
38 #include <sys/bitypes.h>
39 #endif
40 #if HAVE_SYS_SELECT_H
41 #include <sys/select.h>
42 #endif
43 #if HAVE_NETINET_IN_SYSTM_H
44 /* Several OS require types declared by in_systm.h without including it themselves. */
45 #include <netinet/in_systm.h>
46 #endif
47 
48 #if __cplusplus && HAVE_TR1_RANDOM
49 #if !HAVE_STD_UNIFORM_INT_DISTRIBUTION && !HAVE_STD_UNIFORM_REAL_DISTRIBUTION
50 #include <tr1/random>
51 #endif
52 #endif
53 
54 /******************************************************/
55 /* Typedefs for missing entries on a system */
56 /******************************************************/
57 
58 /*
59  * Ensure that standard type limits are defined for use
60  */
61 #if __cplusplus
62 #include <cstdint>
63 #elif HAVE_STDINT_H
64 #include <stdint.h>
65 #endif
66 
67 /* explicit bit sizes */
68 #if !defined(UINT32_MIN)
69 #define UINT32_MIN 0x00000000L
70 #endif
71 #if !defined(UINT32_MAX)
72 #define UINT32_MAX 0xFFFFFFFFL
73 #endif
74 
75 #if !defined(INT_MAX)
76 #define INT_MAX 0x7FFFFFFFL // hack but a safe bet (32-bit signed integer)
77 #endif
78 
79 #if !defined(INT64_MIN)
80 /* Native 64 bit system without strtoll() */
81 #if defined(LONG_MIN) && (SIZEOF_LONG == 8)
82 #define INT64_MIN LONG_MIN
83 #else
84 /* 32 bit system */
85 #define INT64_MIN (-9223372036854775807LL-1LL)
86 #endif
87 #endif
88 
89 #if !defined(INT64_MAX)
90 /* Native 64 bit system without strtoll() */
91 #if defined(LONG_MAX) && (SIZEOF_LONG == 8)
92 #define INT64_MAX LONG_MAX
93 #else
94 /* 32 bit system */
95 #define INT64_MAX 9223372036854775807LL
96 #endif
97 #endif
98 
99 /*
100  * ISO C99 Standard printf() macros for 64 bit integers
101  * On some 64 bit platform, HP Tru64 is one, for printf must be used
102  * "%lx" instead of "%llx"
103  */
104 #ifndef PRId64
105 #if _SQUID_WINDOWS_
106 #define PRId64 "I64d"
107 #elif SIZEOF_INT64_T > SIZEOF_LONG
108 #define PRId64 "lld"
109 #else
110 #define PRId64 "ld"
111 #endif
112 #endif
113 
114 #ifndef PRIu64
115 #if _SQUID_WINDOWS_
116 #define PRIu64 "I64u"
117 #elif SIZEOF_INT64_T > SIZEOF_LONG
118 #define PRIu64 "llu"
119 #else
120 #define PRIu64 "lu"
121 #endif
122 #endif
123 
124 #ifndef PRIX64
125 #if _SQUID_WINDOWS_
126 #define PRIX64 "I64X"
127 #elif SIZEOF_INT64_T > SIZEOF_LONG
128 #define PRIX64 "llX"
129 #else
130 #define PRIX64 "lX"
131 #endif
132 #endif
133 
134 #ifndef PRIuSIZE
135 // NP: configure checks for support of %zu and defines where possible
136 #if SIZEOF_SIZE_T == 4 && _SQUID_MINGW_
137 #define PRIuSIZE "I32u"
138 #elif SIZEOF_SIZE_T == 4
139 #define PRIuSIZE "u"
140 #elif SIZEOF_SIZE_T == 8 && _SQUID_MINGW_
141 #define PRIuSIZE "I64u"
142 #elif SIZEOF_SIZE_T == 8
143 #define PRIuSIZE "lu"
144 #else
145 #error size_t is not 32-bit or 64-bit
146 #endif
147 #endif /* PRIuSIZE */
148 
149 #ifndef HAVE_MODE_T
150 typedef unsigned short mode_t;
151 #endif
152 
153 #ifndef HAVE_FD_MASK
154 typedef unsigned long fd_mask;
155 #endif
156 
157 #ifndef HAVE_SOCKLEN_T
158 typedef int socklen_t;
159 #endif
160 
161 #ifndef HAVE_MTYP_T
162 typedef long mtyp_t;
163 #endif
164 
165 #ifndef NULL
166 #define NULL 0
167 #endif
168 
169 /***********************************************************/
170 /* uniform_int_distribution backward compatibility wrapper */
171 /***********************************************************/
172 #if HAVE_STD_UNIFORM_INT_DISTRIBUTION
173 #define xuniform_int_distribution std::uniform_int_distribution
174 #else
175 #define xuniform_int_distribution std::tr1::uniform_int
176 #endif
177 
178 #if HAVE_STD_UNIFORM_REAL_DISTRIBUTION
179 #define xuniform_real_distribution std::uniform_real_distribution
180 #else
181 #define xuniform_real_distribution std::tr1::uniform_real
182 #endif
183 
184 #endif /* SQUID_TYPES_H */
185 
int socklen_t
Definition: types.h:158
unsigned long fd_mask
Definition: types.h:154
unsigned short mode_t
Definition: types.h:150
long mtyp_t
Definition: types.h:162

 

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