2 * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
3 * Redistribution and modifications are permitted subject to BSD license.
6 * Miscellaneous system-dependent types.
15 #ifndef _DEFAULT_SOURCE
16 #define _DEFAULT_SOURCE 1
20 #define _BSD_SOURCE /* for snprintf() on some linux systems */
23 #include <stdio.h> /* For snprintf(3) */
24 #include <stdlib.h> /* For *alloc(3) */
25 #include <string.h> /* For memcpy(3) */
26 #include <sys/types.h> /* For size_t */
27 #include <limits.h> /* For LONG_MAX */
28 #include <stdarg.h> /* For va_start */
29 #include <stddef.h> /* for offsetof and ptrdiff_t */
30 #include <inttypes.h> /* for PRIdMAX */
36 #define snprintf _snprintf
37 #define vsnprintf _vsnprintf
40 /* To avoid linking with ws2_32.lib, here's the definition of ntohl() */
41 #define sys_ntohl(l) ((((l) << 24) & 0xff000000) \
42 | (((l) << 8) & 0xff0000) \
43 | (((l) >> 8) & 0xff00) \
46 #ifdef _MSC_VER /* MSVS.Net */
48 #define inline __inline
50 #ifndef ASSUMESTDTYPES /* Standard types have been defined elsewhere */
51 #define ssize_t SSIZE_T
54 typedef short int16_t;
56 typedef unsigned char uint8_t;
57 typedef unsigned short uint16_t;
58 typedef unsigned int uint32_t;
59 #else /* _MSC_VER >= 1600 */
61 #endif /* _MSC_VER < 1600 */
62 #endif /* ASSUMESTDTYPES */
63 #define WIN32_LEAN_AND_MEAN
67 #define finite _finite
68 #define copysign _copysign
76 #if defined(__vxworks)
77 #include <types/vxTypes.h>
78 #else /* !defined(__vxworks) */
80 #include <inttypes.h> /* C99 specifies this file */
81 #ifdef HAVE_NETINET_IN_H
82 #include <netinet/in.h> /* for ntohl() */
84 #define sys_ntohl(foo) ntohl(foo)
85 #endif /* defined(__vxworks) */
89 #if __GNUC__ >= 3 || defined(__clang__)
90 #define CC_ATTRIBUTE(attr) __attribute__((attr))
92 #define CC_ATTRIBUTE(attr)
94 #if defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__>= 4) || __GNUC__ > 4)
95 #define CC_PRINTFLIKE(fmt, var) CC_ATTRIBUTE(format(gnu_printf, fmt, var))
96 #elif defined(__GNUC__)
98 #define CC_PRINTFLIKE(fmt, var) CC_ATTRIBUTE(__format__(__printf__, fmt, var))
100 #define CC_PRINTFLIKE(fmt, var) CC_ATTRIBUTE(format(printf, fmt, var))
103 #define CC_PRINTFLIKE(fmt, var)
105 #define CC_NOTUSED CC_ATTRIBUTE(unused)
106 #ifndef CC_ATTR_NO_SANITIZE
108 #define CC_ATTR_NO_SANITIZE(what)
110 #define CC_ATTR_NO_SANITIZE(what) CC_ATTRIBUTE(no_sanitize(what))
114 /* Figure out if thread safety is requested */
115 #if !defined(ASN_THREAD_SAFE) && (defined(THREAD_SAFE) || defined(_REENTRANT))
116 #define ASN_THREAD_SAFE
117 #endif /* Thread safety */
119 #ifndef offsetof /* If not defined by <stddef.h> */
120 #define offsetof(s, m) ((ptrdiff_t)&(((s *)0)->m) - (ptrdiff_t)((s *)0))
121 #endif /* offsetof */
123 #ifndef MIN /* Suitable for comparing primitive types (integers) */
124 #if defined(__GNUC__)
125 #define MIN(a,b) ({ __typeof a _a = a; __typeof b _b = b; \
126 ((_a)<(_b)?(_a):(_b)); })
127 #else /* !__GNUC__ */
128 #define MIN(a,b) ((a)<(b)?(a):(b)) /* Unsafe variant */
129 #endif /* __GNUC__ */
132 #if __STDC_VERSION__ >= 199901L
134 #define SIZE_MAX ((~((size_t)0)) >> 1)
137 #ifndef RSIZE_MAX /* C11, Annex K */
138 #define RSIZE_MAX (SIZE_MAX >> 1)
140 #ifndef RSSIZE_MAX /* Halve signed size even further than unsigned */
141 #define RSSIZE_MAX ((ssize_t)(RSIZE_MAX >> 1))
143 #else /* Old compiler */
147 #define SIZE_MAX ((~((size_t)0)) >> 1)
148 #define RSIZE_MAX (SIZE_MAX >> 1)
149 #define RSSIZE_MAX ((ssize_t)(RSIZE_MAX >> 1))
152 #if __STDC_VERSION__ >= 199901L
153 #define ASN_PRI_SIZE "zu"
154 #define ASN_PRI_SSIZE "zd"
155 #define ASN_PRIuMAX PRIuMAX
156 #define ASN_PRIdMAX PRIdMAX
158 #define ASN_PRI_SIZE "lu"
159 #define ASN_PRI_SSIZE "ld"
160 #if LLONG_MAX > LONG_MAX
161 #define ASN_PRIuMAX "llu"
162 #define ASN_PRIdMAX "lld"
164 #define ASN_PRIuMAX "lu"
165 #define ASN_PRIdMAX "ld"
169 #endif /* ASN_SYSTEM_H */