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annotate src/lib/compat.h @ 22664:fea53c2725c0

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director: Fix director_max_parallel_moves/kicks type Should be uint, not time.
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Thu, 09 Nov 2017 12:24:16 +0200
parents abfa9d470305
children b50c55023f08
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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e4eb71ae8e96 Changed .h ifdef/defines to use <NAME>_H format.
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1 #ifndef COMPAT_H
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2 #define COMPAT_H
0
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3
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39389620ace4 Compile fix for HP-UX
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4 #if defined (HAVE_INTTYPES_H) && (defined(__osf__) || defined(_HPUX_SOURCE))
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77135b9e26b5 Include inttypes.h with Tru64 to get uint32_t etc. types defined.
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5 # include <inttypes.h>
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6 #endif
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7
56
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8 /* well, this is obviously wrong since it assumes it's 64bit, but older
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9 GCCs don't define it and we really want it. */
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10 #ifndef LLONG_MAX
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11 # define LLONG_MAX 9223372036854775807LL
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12 #endif
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13
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14 #if ((__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 3)) && \
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15 defined(HAVE_TYPEOF)) && !defined(__cplusplus)
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16 # define HAVE_TYPE_CHECKS
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17 #endif
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18
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19 /* We really want NULL to be a pointer, since we have various type-checks
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20 that may result in compiler warnings/errors if it's not. Do this only when
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21 type checking is used - it's not otherwise needed and causes compiling
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22 problems with e.g. Sun C compiler. */
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23 #ifdef HAVE_TYPE_CHECKS
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24 # undef NULL
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25 # define NULL ((void *)0)
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26 #endif
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27
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28 #ifndef __cplusplus
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29 #ifdef HAVE__BOOL
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30 typedef _Bool bool;
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31 #else
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32 typedef int bool;
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33 #endif
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34 #endif
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35
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36 #if defined (HAVE_UOFF_T)
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37 /* native support */
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38 #elif defined (UOFF_T_INT)
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39 typedef unsigned int uoff_t;
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40 #elif defined (UOFF_T_LONG)
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41 typedef unsigned long uoff_t;
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42 #elif defined (UOFF_T_LONG_LONG)
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43 typedef unsigned long long uoff_t;
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44 #else
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45 # error uoff_t size not set
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46 #endif
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47
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48 #ifndef HAVE_UINTMAX_T
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49 # if SIZEOF_LONG_LONG > 0
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50 typedef unsigned long long uintmax_t;
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51 # else
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52 typedef unsigned long uintmax_t;
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53 # endif
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54 #endif
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55
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56 #ifndef HAVE_UINT_FAST32_T
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57 # if SIZEOF_INT >= 4
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58 typedef unsigned int uint_fast32_t;
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59 # else
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60 typedef unsigned long uint_fast32_t;
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61 # endif
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62 #endif
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63
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64 #ifndef HAVE_SOCKLEN_T
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65 typedef int socklen_t;
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66 #endif
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67
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68 #ifdef HAVE_SYS_SYSMACROS_H
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69 # include <sys/sysmacros.h>
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70 # ifdef HAVE_SYS_MKDEV_H
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71 # include <sys/mkdev.h> /* UnixWare */
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72 # endif
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73 # define CMP_DEV_T(a, b) (major(a) == major(b) && minor(a) == minor(b))
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74 #elif !defined (DEV_T_STRUCT)
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75 # define CMP_DEV_T(a, b) ((a) == (b))
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76 #else
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77 # error I do not know how to compare dev_t
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78 #endif
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79
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80 #ifdef HAVE_STAT_XTIM
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81 # define HAVE_ST_NSECS
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82 # define ST_ATIME_NSEC(st) ((unsigned long)(st).st_atim.tv_nsec)
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83 # define ST_MTIME_NSEC(st) ((unsigned long)(st).st_mtim.tv_nsec)
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84 # define ST_CTIME_NSEC(st) ((unsigned long)(st).st_ctim.tv_nsec)
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85 #elif defined (HAVE_STAT_XTIMESPEC)
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86 # define HAVE_ST_NSECS
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87 # define ST_ATIME_NSEC(st) ((unsigned long)(st).st_atimespec.tv_nsec)
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88 # define ST_MTIME_NSEC(st) ((unsigned long)(st).st_mtimespec.tv_nsec)
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89 # define ST_CTIME_NSEC(st) ((unsigned long)(st).st_ctimespec.tv_nsec)
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90 #else
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91 # define ST_ATIME_NSEC(st) 0UL
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92 # define ST_MTIME_NSEC(st) 0UL
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93 # define ST_CTIME_NSEC(st) 0UL
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94 #endif
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95
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96 #ifdef HAVE_ST_NSECS
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97 /* TRUE if a nanosecond timestamp from struct stat matches another nanosecond.
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98 If nanoseconds aren't supported in struct stat, returns always TRUE (useful
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99 with NFS if some hosts support nanoseconds and others don't). */
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100 # define ST_NTIMES_EQUAL(ns1, ns2) ((ns1) == (ns2))
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101 #else
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102 # define ST_NTIMES_EQUAL(ns1, ns2) TRUE
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103 #endif
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104
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105 #define CMP_ST_MTIME(st1, st2) \
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106 ((st1)->st_mtime == (st2)->st_mtime && \
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107 ST_NTIMES_EQUAL(ST_MTIME_NSEC(*(st1)), ST_MTIME_NSEC(*(st2))))
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108 #define CMP_ST_CTIME(st1, st2) \
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109 ((st1)->st_ctime == (st2)->st_ctime && \
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110 ST_NTIMES_EQUAL(ST_CTIME_NSEC(*(st1)), ST_CTIME_NSEC(*(st2))))
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111
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112 /* strcasecmp(), strncasecmp() */
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113 #ifndef HAVE_STRCASECMP
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114 # ifdef HAVE_STRICMP
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115 # define strcasecmp stricmp
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116 # define strncasecmp strnicmp
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117 # else
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118 # define strcasecmp i_my_strcasecmp
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119 # define strncasecmp i_my_strncasecmp
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120 int i_my_strcasecmp(const char *s1, const char *s2);
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121 int i_my_strncasecmp(const char *s1, const char *s2, size_t max_chars);
0
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122 # endif
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123 #endif
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124
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125 #ifndef HAVE_INET_ATON
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126 # include <sys/socket.h>
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127 # include <netinet/in.h>
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128 # include <arpa/inet.h>
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129 # define inet_aton i_my_inet_aton
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130 int i_my_inet_aton(const char *cp, struct in_addr *inp);
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131 #endif
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132
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133 #ifndef HAVE_VSYSLOG
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134 # define vsyslog i_my_vsyslog
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135 void i_my_vsyslog(int priority, const char *format, va_list args);
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136 #endif
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137
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138 #ifndef HAVE_GETPAGESIZE
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139 # define getpagesize i_my_getpagesize
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140 int i_my_getpagesize(void);
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141 #endif
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142
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143 #ifndef HAVE_FDATASYNC
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144 # define fdatasync fsync
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145 #endif
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146
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147 struct const_iovec {
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148 const void *iov_base;
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149 size_t iov_len;
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150 };
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151
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152 #ifndef HAVE_STRUCT_IOVEC
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153 struct iovec {
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154 void *iov_base;
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155 size_t iov_len;
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156 };
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157 #endif
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158
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159 /* IOV_MAX should be in limits.h nowadays. Linux still (2005) requires
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160 defining _XOPEN_SOURCE to get that value. UIO_MAXIOV works with it though,
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161 so use it instead. 16 is the lowest acceptable value for all OSes. */
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162 #ifndef IOV_MAX
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163 # include <sys/uio.h>
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164 # ifdef UIO_MAXIOV
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165 # define IOV_MAX UIO_MAXIOV
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166 # else
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167 # define IOV_MAX 16
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168 # endif
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169 #endif
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170
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171 #ifndef HAVE_WRITEV
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172 # define writev i_my_writev
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173 struct iovec;
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174 ssize_t i_my_writev(int fd, const struct iovec *iov, int iov_len);
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175 #endif
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176
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177 #if !defined(HAVE_PREAD) || defined(PREAD_WRAPPERS) || defined(PREAD_BROKEN)
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178 # ifndef IN_COMPAT_C
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179 # define pread i_my_pread
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180 # define pwrite i_my_pwrite
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181 # endif
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182 ssize_t i_my_pread(int fd, void *buf, size_t count, off_t offset);
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183 ssize_t i_my_pwrite(int fd, const void *buf, size_t count, off_t offset);
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184 #endif
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185
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186 #ifndef HAVE_SETEUID
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187 # define seteuid i_my_seteuid
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188 int i_my_seteuid(uid_t euid);
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189 #endif
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190
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191 #ifndef HAVE_SETEGID
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192 # define setegid i_my_setegid
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193 int i_my_setegid(gid_t egid);
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194 #endif
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195
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196 #ifndef HAVE_LIBGEN_H
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197 # define basename i_my_basename
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198 char *i_my_basename(char *path);
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199 #endif
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200
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201 #ifdef HAVE_OLD_VSNPRINTF
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202 # include <stdio.h>
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203 # define vsnprintf i_my_vsnprintf
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204 int i_my_vsnprintf(char *str, size_t size, const char *format, va_list ap);
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205 #endif
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206
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207 #ifndef HAVE_CLOCK_GETTIME
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208 # include <time.h>
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209 # undef CLOCK_REALTIME
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210 # define CLOCK_REALTIME 1
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211 # define clock_gettime i_my_clock_gettime
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212 int i_my_clock_gettime(int clk_id, struct timespec *tp);
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213 #endif
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214
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215 /* ctype.h isn't safe with signed chars,
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216 use our own instead if really needed */
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c7f42a8e7176 Reverted back the isdigit()/etc. They're defined to get int argument, so we
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217 #define i_toupper(x) ((char) toupper((int) (unsigned char) (x)))
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218 #define i_tolower(x) ((char) tolower((int) (unsigned char) (x)))
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219 #define i_isalnum(x) isalnum((int) (unsigned char) (x))
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220 #define i_isalpha(x) isalpha((int) (unsigned char) (x))
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221 #define i_isascii(x) isascii((int) (unsigned char) (x))
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222 #define i_isblank(x) isblank((int) (unsigned char) (x))
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223 #define i_iscntrl(x) iscntrl((int) (unsigned char) (x))
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224 #define i_isdigit(x) isdigit((int) (unsigned char) (x))
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225 #define i_isgraph(x) isgraph((int) (unsigned char) (x))
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226 #define i_islower(x) islower((int) (unsigned char) (x))
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227 #define i_isprint(x) isprint((int) (unsigned char) (x))
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228 #define i_ispunct(x) ispunct((int) (unsigned char) (x))
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229 #define i_isspace(x) isspace((int) (unsigned char) (x))
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230 #define i_isupper(x) isupper((int) (unsigned char) (x))
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231 #define i_isxdigit(x) isxdigit((int) (unsigned char) (x))
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232
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233 #ifndef EOVERFLOW
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234 # define EOVERFLOW ERANGE
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235 #endif
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236
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237 #ifdef EDQUOT
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238 # define ENOSPACE(errno) ((errno) == ENOSPC || (errno) == EDQUOT)
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239 # define ENOQUOTA(errno) ((errno) == EDQUOT)
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240 #else
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241 /* probably all modern OSes have EDQUOT, but just in case one doesn't assume
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242 that ENOSPC is the same as "over quota". */
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243 # define ENOSPACE(errno) ((errno) == ENOSPC)
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244 # define ENOQUOTA(errno) ((errno) == ENOSPC)
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245 #endif
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246
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247 /* EPERM is returned sometimes if device doesn't support such modification */
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248 #ifdef EROFS
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249 # define ENOACCESS(errno) \
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250 ((errno) == EACCES || (errno) == EROFS || (errno) == EPERM)
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251 #else
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252 # define ENOACCESS(errno) ((errno) == EACCES || (errno) == EPERM)
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253 #endif
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254
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255 #define ENOTFOUND(errno) \
14332
37d6dd0f053b lib-storage: Don't log errors if trying to open a mailbox with too long name.
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256 ((errno) == ENOENT || (errno) == ENOTDIR || \
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257 (errno) == ELOOP || (errno) == ENAMETOOLONG)
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258
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259 #define ECANTLINK(errno) \
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260 ((errno) == EXDEV || (errno) == EMLINK || (errno) == EPERM)
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261
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262 /* Returns TRUE if unlink() failed because it attempted to delete a directory */
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263 #define UNLINK_EISDIR(errno) \
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264 ((errno) == EPERM || /* POSIX */ \
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265 (errno) == EISDIR) /* Linux */
0ff8d85a6893 Added UNLINK_EISDIR() helper macro.
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266
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267 /* EBUSY is given by some NFS implementations */
5ea3e08af1e2 Added EDESTDIREXISTS() macro, and changed rename() calls to use it.
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268 #define EDESTDIREXISTS(errno) \
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269 ((errno) == EEXIST || (errno) == ENOTEMPTY || (errno) == EBUSY)
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270
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271 /* fstat() returns ENOENT instead of ESTALE with some Linux versions */
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272 #define ESTALE_FSTAT(errno) \
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273 ((errno) == ESTALE || (errno) == ENOENT)
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274
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275 #if !defined(_POSIX_SYNCHRONIZED_IO) && \
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276 defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && \
940212bda6ea OS X: Fixed compiler warning about missing fdatasync() prototypes.
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277 (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1060)
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diff changeset
278 /* OS X Snow Leopard has fdatasync(), but no prototype for it. */
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diff changeset
279 int fdatasync(int);
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280 #endif
10383
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281
11309
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282 /* Try to keep IO operations at least this size */
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283 #ifndef IO_BLOCK_SIZE
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284 # define IO_BLOCK_SIZE 8192
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285 #endif
11309
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286
15286
6cac808c4bd8 Compiling fix for HURD
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diff changeset
287 #if !defined(PIPE_BUF) && defined(_POSIX_PIPE_BUF)
6cac808c4bd8 Compiling fix for HURD
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288 # define PIPE_BUF (8 * _POSIX_PIPE_BUF) /* for HURD */
11309
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diff changeset
289 #endif
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290
6cac808c4bd8 Compiling fix for HURD
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291 #endif