2 * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
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3 * Redistribution and modifications are permitted subject to BSD license.
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6 * Miscellaneous system-dependent types.
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11 #ifdef HAVE_CONFIG_H
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15 #ifndef _DEFAULT_SOURCE
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16 #define _DEFAULT_SOURCE 1
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20 #define _BSD_SOURCE /* for snprintf() on some linux systems */
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23 #include <stdio.h> /* For snprintf(3) */
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24 #include <stdlib.h> /* For *alloc(3) */
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25 #include <string.h> /* For memcpy(3) */
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26 #include <sys/types.h> /* For size_t */
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27 #include <limits.h> /* For LONG_MAX */
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28 #include <stdarg.h> /* For va_start */
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29 #include <stddef.h> /* for offsetof and ptrdiff_t */
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34 #define snprintf _snprintf
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35 #define vsnprintf _vsnprintf
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37 /* To avoid linking with ws2_32.lib, here's the definition of ntohl() */
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38 #define sys_ntohl(l) ((((l) << 24) & 0xff000000) \
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39 | (((l) << 8) & 0xff0000) \
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40 | (((l) >> 8) & 0xff00) \
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41 | ((l >> 24) & 0xff))
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43 #ifdef _MSC_VER /* MSVS.Net */
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45 #define inline __inline
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47 #ifndef ASSUMESTDTYPES /* Standard types have been defined elsewhere */
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48 #define ssize_t SSIZE_T
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50 typedef char int8_t;
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51 typedef short int16_t;
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52 typedef int int32_t;
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53 typedef unsigned char uint8_t;
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54 typedef unsigned short uint16_t;
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55 typedef unsigned int uint32_t;
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56 #else /* _MSC_VER >= 1600 */
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58 #endif /* _MSC_VER < 1600 */
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59 #endif /* ASSUMESTDTYPES */
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60 #define WIN32_LEAN_AND_MEAN
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61 #include <windows.h>
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63 #define isnan _isnan
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64 #define finite _finite
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65 #define copysign _copysign
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67 #else /* !_MSC_VER */
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69 #endif /* _MSC_VER */
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73 #if defined(__vxworks)
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74 #include <types/vxTypes.h>
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75 #else /* !defined(__vxworks) */
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77 #include <inttypes.h> /* C99 specifies this file */
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78 #include <netinet/in.h> /* for ntohl() */
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79 #define sys_ntohl(foo) ntohl(foo)
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80 #endif /* defined(__vxworks) */
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84 #if __GNUC__ >= 3 || defined(__clang__)
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85 #define CC_ATTRIBUTE(attr) __attribute__((attr))
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87 #define CC_ATTRIBUTE(attr)
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89 #define CC_PRINTFLIKE(fmt, var) CC_ATTRIBUTE(format(printf, fmt, var))
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90 #define CC_NOTUSED CC_ATTRIBUTE(unused)
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91 #ifndef CC_ATTR_NO_SANITIZE
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92 #define CC_ATTR_NO_SANITIZE(what) CC_ATTRIBUTE(no_sanitize(what))
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95 /* Figure out if thread safety is requested */
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96 #if !defined(ASN_THREAD_SAFE) && (defined(THREAD_SAFE) || defined(_REENTRANT))
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97 #define ASN_THREAD_SAFE
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98 #endif /* Thread safety */
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100 #ifndef offsetof /* If not defined by <stddef.h> */
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101 #define offsetof(s, m) ((ptrdiff_t)&(((s *)0)->m) - (ptrdiff_t)((s *)0))
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102 #endif /* offsetof */
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104 #ifndef MIN /* Suitable for comparing primitive types (integers) */
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105 #if defined(__GNUC__)
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106 #define MIN(a,b) ({ __typeof a _a = a; __typeof b _b = b; \
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107 ((_a)<(_b)?(_a):(_b)); })
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108 #else /* !__GNUC__ */
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109 #define MIN(a,b) ((a)<(b)?(a):(b)) /* Unsafe variant */
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110 #endif /* __GNUC__ */
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113 #if __STDC_VERSION__ >= 199901L
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115 #define SIZE_MAX ((~((size_t)0)) >> 1)
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118 #ifndef RSIZE_MAX /* C11, Annex K */
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119 #define RSIZE_MAX (SIZE_MAX >> 1)
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121 #ifndef RSSIZE_MAX /* Halve signed size even further than unsigned */
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122 #define RSSIZE_MAX ((ssize_t)(RSIZE_MAX >> 1))
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124 #else /* Old compiler */
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128 #define SIZE_MAX ((~((size_t)0)) >> 1)
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129 #define RSIZE_MAX (SIZE_MAX >> 1)
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130 #define RSSIZE_MAX ((ssize_t)(RSIZE_MAX >> 1))
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133 #if __STDC_VERSION__ >= 199901L
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134 #define ASN_PRI_SIZE "zu"
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135 #define ASN_PRI_SSIZE "zd"
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136 #define ASN_PRIuMAX PRIuMAX
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137 #define ASN_PRIdMAX PRIdMAX
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139 #define ASN_PRI_SIZE "lu"
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140 #define ASN_PRI_SSIZE "ld"
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141 #if LLONG_MAX > LONG_MAX
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142 #define ASN_PRIuMAX "llu"
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143 #define ASN_PRIdMAX "lld"
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145 #define ASN_PRIuMAX "lu"
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146 #define ASN_PRIdMAX "ld"
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150 #endif /* ASN_SYSTEM_H */
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