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1 //===-- sanitizer_platform_limits_openbsd.cpp -----------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This file is a part of Sanitizer common code.
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10 //
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11 // Sizes and layouts of platform-specific NetBSD data structures.
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12 //===----------------------------------------------------------------------===//
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13
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14 #include "sanitizer_platform.h"
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15
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16 #if SANITIZER_OPENBSD
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17 #include <arpa/inet.h>
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18 #include <dirent.h>
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19 #include <glob.h>
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20 #include <grp.h>
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21 #include <ifaddrs.h>
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22 #include <limits.h>
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23 #include <link_elf.h>
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24 #include <sys/socket.h>
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25 #include <net/if.h>
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26 #include <net/ppp_defs.h>
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27 #include <net/route.h>
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28 #include <netdb.h>
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29 #include <netinet/in.h>
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30 #include <netinet/ip_mroute.h>
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31 #include <poll.h>
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32 #include <pthread.h>
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33 #include <pwd.h>
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34 #include <semaphore.h>
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35 #include <signal.h>
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36 #include <soundcard.h>
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37 #include <stddef.h>
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38 #include <stdint.h>
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39 #include <sys/filio.h>
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40 #include <sys/ipc.h>
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41 #include <sys/mman.h>
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42 #include <sys/mount.h>
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43 #include <sys/msg.h>
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44 #include <sys/mtio.h>
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45 #include <sys/ptrace.h>
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46 #include <sys/resource.h>
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47 #include <sys/shm.h>
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48 #include <sys/signal.h>
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49 #include <sys/sockio.h>
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50 #include <sys/stat.h>
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51 #include <sys/statvfs.h>
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52 #include <sys/time.h>
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53 #include <sys/times.h>
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54 #include <sys/types.h>
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55 #include <sys/utsname.h>
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56 #include <term.h>
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57 #include <time.h>
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58 #include <utime.h>
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59 #include <utmp.h>
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60 #include <wchar.h>
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61
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62 // Include these after system headers to avoid name clashes and ambiguities.
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63 #include "sanitizer_internal_defs.h"
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64 #include "sanitizer_platform_limits_openbsd.h"
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65
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66 namespace __sanitizer {
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67 unsigned struct_utsname_sz = sizeof(struct utsname);
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68 unsigned struct_stat_sz = sizeof(struct stat);
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69 unsigned struct_rusage_sz = sizeof(struct rusage);
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70 unsigned struct_tm_sz = sizeof(struct tm);
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71 unsigned struct_passwd_sz = sizeof(struct passwd);
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72 unsigned struct_group_sz = sizeof(struct group);
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73 unsigned siginfo_t_sz = sizeof(siginfo_t);
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74 unsigned struct_sigaction_sz = sizeof(struct sigaction);
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75 unsigned struct_itimerval_sz = sizeof(struct itimerval);
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76 unsigned pthread_t_sz = sizeof(pthread_t);
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77 unsigned pthread_mutex_t_sz = sizeof(pthread_mutex_t);
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78 unsigned pthread_cond_t_sz = sizeof(pthread_cond_t);
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79 unsigned pid_t_sz = sizeof(pid_t);
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80 unsigned timeval_sz = sizeof(timeval);
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81 unsigned uid_t_sz = sizeof(uid_t);
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82 unsigned gid_t_sz = sizeof(gid_t);
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83 unsigned mbstate_t_sz = sizeof(mbstate_t);
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84 unsigned sigset_t_sz = sizeof(sigset_t);
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85 unsigned struct_timezone_sz = sizeof(struct timezone);
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86 unsigned struct_tms_sz = sizeof(struct tms);
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87 unsigned struct_sched_param_sz = sizeof(struct sched_param);
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88 unsigned struct_sockaddr_sz = sizeof(struct sockaddr);
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89 unsigned struct_rlimit_sz = sizeof(struct rlimit);
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90 unsigned struct_timespec_sz = sizeof(struct timespec);
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91 unsigned struct_utimbuf_sz = sizeof(struct utimbuf);
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92 unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
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93 unsigned struct_msqid_ds_sz = sizeof(struct msqid_ds);
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94 unsigned struct_statvfs_sz = sizeof(struct statvfs);
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95
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96 const uptr sig_ign = (uptr)SIG_IGN;
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97 const uptr sig_dfl = (uptr)SIG_DFL;
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98 const uptr sig_err = (uptr)SIG_ERR;
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99 const uptr sa_siginfo = (uptr)SA_SIGINFO;
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100
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101 int shmctl_ipc_stat = (int)IPC_STAT;
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102
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103 unsigned struct_utmp_sz = sizeof(struct utmp);
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104
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105 int map_fixed = MAP_FIXED;
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106
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107 int af_inet = (int)AF_INET;
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108 int af_inet6 = (int)AF_INET6;
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109
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110 uptr __sanitizer_in_addr_sz(int af) {
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111 if (af == AF_INET)
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112 return sizeof(struct in_addr);
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113 else if (af == AF_INET6)
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114 return sizeof(struct in6_addr);
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115 else
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116 return 0;
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117 }
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118
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119 unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
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120
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121 int glob_nomatch = GLOB_NOMATCH;
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122 int glob_altdirfunc = GLOB_ALTDIRFUNC;
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123
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124 unsigned path_max = PATH_MAX;
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125
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126 const int si_SEGV_MAPERR = SEGV_MAPERR;
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127 const int si_SEGV_ACCERR = SEGV_ACCERR;
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128 } // namespace __sanitizer
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129
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130 using namespace __sanitizer;
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131
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132 COMPILER_CHECK(sizeof(__sanitizer_pthread_attr_t) >= sizeof(pthread_attr_t));
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133
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134 COMPILER_CHECK(sizeof(socklen_t) == sizeof(unsigned));
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135 CHECK_TYPE_SIZE(pthread_key_t);
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136
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137 CHECK_TYPE_SIZE(dl_phdr_info);
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138 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_addr);
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139 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_name);
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140 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
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141 CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
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142
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143 CHECK_TYPE_SIZE(glob_t);
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144 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
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145 CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
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146 CHECK_SIZE_AND_OFFSET(glob_t, gl_offs);
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147 CHECK_SIZE_AND_OFFSET(glob_t, gl_flags);
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148 CHECK_SIZE_AND_OFFSET(glob_t, gl_closedir);
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149 CHECK_SIZE_AND_OFFSET(glob_t, gl_readdir);
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150 CHECK_SIZE_AND_OFFSET(glob_t, gl_opendir);
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151 CHECK_SIZE_AND_OFFSET(glob_t, gl_lstat);
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152 CHECK_SIZE_AND_OFFSET(glob_t, gl_stat);
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153
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154 CHECK_TYPE_SIZE(addrinfo);
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155 CHECK_SIZE_AND_OFFSET(addrinfo, ai_flags);
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156 CHECK_SIZE_AND_OFFSET(addrinfo, ai_family);
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157 CHECK_SIZE_AND_OFFSET(addrinfo, ai_socktype);
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158 CHECK_SIZE_AND_OFFSET(addrinfo, ai_protocol);
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159 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addrlen);
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160 CHECK_SIZE_AND_OFFSET(addrinfo, ai_addr);
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161 CHECK_SIZE_AND_OFFSET(addrinfo, ai_canonname);
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162 CHECK_SIZE_AND_OFFSET(addrinfo, ai_next);
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163
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164 CHECK_TYPE_SIZE(hostent);
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165 CHECK_SIZE_AND_OFFSET(hostent, h_name);
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166 CHECK_SIZE_AND_OFFSET(hostent, h_aliases);
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167 CHECK_SIZE_AND_OFFSET(hostent, h_addrtype);
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168 CHECK_SIZE_AND_OFFSET(hostent, h_length);
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169 CHECK_SIZE_AND_OFFSET(hostent, h_addr_list);
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170
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171 CHECK_TYPE_SIZE(iovec);
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172 CHECK_SIZE_AND_OFFSET(iovec, iov_base);
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173 CHECK_SIZE_AND_OFFSET(iovec, iov_len);
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174
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175 CHECK_TYPE_SIZE(msghdr);
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176 CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
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177 CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
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178 CHECK_SIZE_AND_OFFSET(msghdr, msg_iov);
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179 CHECK_SIZE_AND_OFFSET(msghdr, msg_iovlen);
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180 CHECK_SIZE_AND_OFFSET(msghdr, msg_control);
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181 CHECK_SIZE_AND_OFFSET(msghdr, msg_controllen);
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182 CHECK_SIZE_AND_OFFSET(msghdr, msg_flags);
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183
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184 CHECK_TYPE_SIZE(cmsghdr);
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185 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
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186 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
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187 CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
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188
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189 COMPILER_CHECK(sizeof(__sanitizer_dirent) <= sizeof(dirent));
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190 CHECK_SIZE_AND_OFFSET(dirent, d_fileno);
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191 CHECK_SIZE_AND_OFFSET(dirent, d_off);
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192 CHECK_SIZE_AND_OFFSET(dirent, d_reclen);
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193
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194 CHECK_TYPE_SIZE(ifconf);
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195 CHECK_SIZE_AND_OFFSET(ifconf, ifc_len);
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196 CHECK_SIZE_AND_OFFSET(ifconf, ifc_ifcu);
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197
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198 CHECK_TYPE_SIZE(pollfd);
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199 CHECK_SIZE_AND_OFFSET(pollfd, fd);
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200 CHECK_SIZE_AND_OFFSET(pollfd, events);
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201 CHECK_SIZE_AND_OFFSET(pollfd, revents);
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202
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203 CHECK_TYPE_SIZE(nfds_t);
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204
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205 CHECK_TYPE_SIZE(sigset_t);
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206
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207 COMPILER_CHECK(sizeof(__sanitizer_sigaction) == sizeof(struct sigaction));
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208 // Can't write checks for sa_handler and sa_sigaction due to them being
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209 // preprocessor macros.
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210 CHECK_STRUCT_SIZE_AND_OFFSET(sigaction, sa_mask);
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211
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212 CHECK_TYPE_SIZE(tm);
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213 CHECK_SIZE_AND_OFFSET(tm, tm_sec);
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214 CHECK_SIZE_AND_OFFSET(tm, tm_min);
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215 CHECK_SIZE_AND_OFFSET(tm, tm_hour);
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216 CHECK_SIZE_AND_OFFSET(tm, tm_mday);
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217 CHECK_SIZE_AND_OFFSET(tm, tm_mon);
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218 CHECK_SIZE_AND_OFFSET(tm, tm_year);
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219 CHECK_SIZE_AND_OFFSET(tm, tm_wday);
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220 CHECK_SIZE_AND_OFFSET(tm, tm_yday);
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221 CHECK_SIZE_AND_OFFSET(tm, tm_isdst);
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222 CHECK_SIZE_AND_OFFSET(tm, tm_gmtoff);
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223 CHECK_SIZE_AND_OFFSET(tm, tm_zone);
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224
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225 CHECK_TYPE_SIZE(ipc_perm);
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226 CHECK_SIZE_AND_OFFSET(ipc_perm, cuid);
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227 CHECK_SIZE_AND_OFFSET(ipc_perm, cgid);
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228 CHECK_SIZE_AND_OFFSET(ipc_perm, uid);
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229 CHECK_SIZE_AND_OFFSET(ipc_perm, gid);
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230 CHECK_SIZE_AND_OFFSET(ipc_perm, mode);
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231 CHECK_SIZE_AND_OFFSET(ipc_perm, seq);
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232 CHECK_SIZE_AND_OFFSET(ipc_perm, key);
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233
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234 CHECK_TYPE_SIZE(shmid_ds);
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235 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_perm);
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236 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_segsz);
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237 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_atime);
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238 CHECK_SIZE_AND_OFFSET(shmid_ds, __shm_atimensec);
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239 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_dtime);
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240 CHECK_SIZE_AND_OFFSET(shmid_ds, __shm_dtimensec);
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241 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_ctime);
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242 CHECK_SIZE_AND_OFFSET(shmid_ds, __shm_ctimensec);
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243 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_cpid);
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244 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_lpid);
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245 CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
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246
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247 CHECK_TYPE_SIZE(clock_t);
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248
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249 CHECK_TYPE_SIZE(ifaddrs);
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250 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_next);
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251 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_name);
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252 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_addr);
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253 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_netmask);
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254 // Compare against the union, because we can't reach into the union in a
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255 // compliant way.
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256 #ifdef ifa_dstaddr
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257 #undef ifa_dstaddr
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258 #endif
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259 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
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260 CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
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261
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262 CHECK_TYPE_SIZE(passwd);
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263 CHECK_SIZE_AND_OFFSET(passwd, pw_name);
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264 CHECK_SIZE_AND_OFFSET(passwd, pw_passwd);
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265 CHECK_SIZE_AND_OFFSET(passwd, pw_uid);
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266 CHECK_SIZE_AND_OFFSET(passwd, pw_gid);
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267 CHECK_SIZE_AND_OFFSET(passwd, pw_dir);
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268 CHECK_SIZE_AND_OFFSET(passwd, pw_shell);
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269
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270 CHECK_SIZE_AND_OFFSET(passwd, pw_gecos);
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271
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272 CHECK_TYPE_SIZE(group);
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273 CHECK_SIZE_AND_OFFSET(group, gr_name);
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274 CHECK_SIZE_AND_OFFSET(group, gr_passwd);
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275 CHECK_SIZE_AND_OFFSET(group, gr_gid);
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276 CHECK_SIZE_AND_OFFSET(group, gr_mem);
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277
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278 #endif // SANITIZER_OPENBSD
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