annotate src/os_unix.h @ 29234:96ff6c230a66 v8.2.5136

patch 8.2.5136: debugger test fails when run with valgrind Commit: https://github.com/vim/vim/commit/e366ed4f2c6fa8cb663f1b9599b39d57ddbd8a2a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 19 20:13:56 2022 +0100 patch 8.2.5136: debugger test fails when run with valgrind Problem: Debugger test fails when run with valgrind. Solution: Wait longer when using valgrind.
author Bram Moolenaar <Bram@vim.org>
date Sun, 19 Jun 2022 21:15:03 +0200
parents 3f5f25f7d8a2
children 1690417aeafe
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4aead6a9b7a9 commit https://github.com/vim/vim/commit/edf3f97ae2af024708ebb4ac614227327033ca47
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1 /* vi:set ts=8 sts=4 sw=4 noet:
7
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 *
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5 * Do ":help uganda" in Vim to read copying and usage conditions.
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6 * Do ":help credits" in Vim to see a list of people who contributed.
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7 */
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8
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9 /*
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10 * NextStep has a problem with configure, undefine a few things:
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11 */
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12 #ifdef NeXT
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13 # ifdef HAVE_UTIME
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14 # undef HAVE_UTIME
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15 # endif
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16 # ifdef HAVE_SYS_UTSNAME_H
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17 # undef HAVE_SYS_UTSNAME_H
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18 # endif
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19 #endif
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20
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21 #include <stdio.h>
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22 #include <ctype.h>
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23
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24 #ifdef VAXC
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25 # include <types.h>
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26 # include <stat.h>
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27 #else
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28 # include <sys/types.h>
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29 # include <sys/stat.h>
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30 #endif
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31
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32 #ifdef HAVE_STDLIB_H
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33 # include <stdlib.h>
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34 #endif
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35
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36 #ifdef __CYGWIN__
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37 # define WIN32UNIX // Compiling for Win32 using Unix files.
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38 # define BINARY_FILE_IO
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39
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40 # define CASE_INSENSITIVE_FILENAME
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41 # define USE_FNAME_CASE // Fix filename case differences.
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42 #endif
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43
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44 // On AIX 4.2 there is a conflicting prototype for ioctl() in stropts.h and
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45 // unistd.h. This hack should fix that (suggested by Jeff George).
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46 // But on AIX 4.3 it's alright (suggested by Jake Hamby).
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47 #if defined(FEAT_GUI) && defined(_AIX) && !defined(_AIX43) && !defined(_NO_PROTO)
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48 # define _NO_PROTO
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49 #endif
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50
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51 #ifdef HAVE_UNISTD_H
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52 # include <unistd.h>
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53 #endif
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54
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55 #ifdef HAVE_LIBC_H
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56 # include <libc.h> // for NeXT
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57 #endif
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58
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59 #ifdef HAVE_SYS_PARAM_H
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60 # include <sys/param.h> // defines BSD, if it's a BSD system
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61 #endif
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62
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63 /*
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64 * Using getcwd() is preferred, because it checks for a buffer overflow.
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65 * Don't use getcwd() on systems do use system("sh -c pwd"). There is an
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66 * autoconf check for this.
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67 * Use getcwd() anyway if getwd() isn't present.
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68 */
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69 #if defined(HAVE_GETCWD) && !(defined(BAD_GETCWD) && defined(HAVE_GETWD))
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70 # define USE_GETCWD
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71 #endif
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72
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73 // always use unlink() to remove files
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74 #ifndef PROTO
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75 # ifdef VMS
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76 # define vim_mkdir(x, y) mkdir((char *)vms_fixfilename(x), y)
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77 # define mch_rmdir(x) delete((char *)vms_fixfilename(x))
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78 # define mch_remove(x) delete((char *)vms_fixfilename(x))
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79 # else
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80 # define vim_mkdir(x, y) mkdir((char *)(x), y)
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81 # define mch_rmdir(x) rmdir((char *)(x))
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82 # define mch_remove(x) unlink((char *)(x))
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83 # endif
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84 #endif
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85
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86 // The number of arguments to a signal handler is configured here.
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87 // It used to be a long list of almost all systems. Any system that doesn't
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88 // have an argument???
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89 #define SIGHASARG
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90
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91 // List 3 arg systems here. I guess __sgi, please test and correct me. jw.
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92 #if defined(__sgi) && defined(HAVE_SIGCONTEXT)
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93 # define SIGHAS3ARGS
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94 #endif
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95
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96 #ifdef SIGHASARG
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97 # ifdef SIGHAS3ARGS
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98 # define SIGPROTOARG (int, int, struct sigcontext *)
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99 # define SIGDEFARG(s) (int s, int sig2, struct sigcontext *scont)
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100 # define SIGDUMMYARG 0, 0, (struct sigcontext *)0
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101 # else
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102 # define SIGPROTOARG (int)
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103 # define SIGDEFARG(s) (int s UNUSED)
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104 # define SIGDUMMYARG 0
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105 # endif
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106 #else
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107 # define SIGPROTOARG (void)
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108 # define SIGDEFARG(s) ()
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109 # define SIGDUMMYARG
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110 #endif
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111
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112 #ifdef HAVE_DIRENT_H
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113 # include <dirent.h>
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114 # ifndef NAMLEN
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115 # define NAMLEN(dirent) strlen((dirent)->d_name)
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116 # endif
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117 #else
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118 # define dirent direct
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119 # define NAMLEN(dirent) (dirent)->d_namlen
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120 # if HAVE_SYS_NDIR_H
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121 # include <sys/ndir.h>
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122 # endif
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123 # if HAVE_SYS_DIR_H
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124 # include <sys/dir.h>
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125 # endif
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126 # if HAVE_NDIR_H
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127 # include <ndir.h>
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128 # endif
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129 #endif
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130
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131 // on some systems time.h should not be included together with sys/time.h
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132 #if !defined(HAVE_SYS_TIME_H) || defined(TIME_WITH_SYS_TIME)
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133 # include <time.h>
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134 #endif
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135 #ifdef HAVE_SYS_TIME_H
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136 # include <sys/time.h>
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137 #endif
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138
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139 #include <signal.h>
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140
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141 #if defined(DIRSIZ) && !defined(MAXNAMLEN)
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142 # define MAXNAMLEN DIRSIZ
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143 #endif
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144
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145 #if defined(UFS_MAXNAMLEN) && !defined(MAXNAMLEN)
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146 # define MAXNAMLEN UFS_MAXNAMLEN // for dynix/ptx
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147 #endif
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148
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149 #if defined(NAME_MAX) && !defined(MAXNAMLEN)
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150 # define MAXNAMLEN NAME_MAX // for Linux before .99p3
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151 #endif
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152
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153 /*
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154 * Note: if MAXNAMLEN has the wrong value, you will get error messages
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155 * for not being able to open the swap file.
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156 */
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157 #if !defined(MAXNAMLEN)
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158 # define MAXNAMLEN 512 // for all other Unix
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159 #endif
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160
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161 #define BASENAMELEN (MAXNAMLEN - 5)
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162
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163 #ifdef HAVE_PWD_H
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164 # include <pwd.h>
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165 #endif
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166
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167 #if (defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT)) \
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168 || (defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)) \
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169 || defined(HAVE_SYSCTL) || defined(HAVE_SYSCONF)
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170 # define HAVE_TOTAL_MEM
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171 #endif
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172
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173
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174 #ifndef PROTO
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175
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176 #ifdef VMS
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177 # include <unixio.h>
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178 # include <unixlib.h>
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179 # include <signal.h>
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180 # include <file.h>
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181 # include <ssdef.h>
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182 # include <descrip.h>
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183 # include <libclidef.h>
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184 # include <lnmdef.h>
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185 # include <psldef.h>
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186 # include <prvdef.h>
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187 # include <dvidef.h>
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188 # include <dcdef.h>
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189 # include <stsdef.h>
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190 # include <iodef.h>
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191 # include <ttdef.h>
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192 # include <tt2def.h>
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193 # include <jpidef.h>
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194 # include <rms.h>
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195 # include <trmdef.h>
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196 # include <string.h>
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197 # include <starlet.h>
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198 # include <socket.h>
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199 # include <lib$routines.h>
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200 # include <libdef.h>
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201 # include <libdtdef.h>
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202
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203 # if defined(FEAT_GUI_MOTIF)
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204 # define XFree XFREE
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205 # define XmRepTypeInstallTearOffModelCon XMREPTYPEINSTALLTEAROFFMODELCON
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206 # endif
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207 #endif // VMS
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208
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209 #ifdef HAVE_FLOCK
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210 # include <sys/file.h>
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211 #endif
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212
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213 #endif // PROTO
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214
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215 #ifdef VMS
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216 typedef struct dsc$descriptor DESC;
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217 #endif
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218
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219 /*
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220 * Unix system-dependent file names
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221 */
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222 #ifndef SYS_VIMRC_FILE
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223 # define SYS_VIMRC_FILE "$VIM/vimrc"
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224 #endif
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225 #ifndef SYS_GVIMRC_FILE
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226 # define SYS_GVIMRC_FILE "$VIM/gvimrc"
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227 #endif
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228 #ifndef DFLT_HELPFILE
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229 # define DFLT_HELPFILE "$VIMRUNTIME/doc/help.txt"
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230 #endif
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231 #ifndef FILETYPE_FILE
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232 # define FILETYPE_FILE "filetype.vim"
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233 #endif
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234 #ifndef FTPLUGIN_FILE
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235 # define FTPLUGIN_FILE "ftplugin.vim"
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236 #endif
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237 #ifndef INDENT_FILE
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238 # define INDENT_FILE "indent.vim"
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239 #endif
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240 #ifndef FTOFF_FILE
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241 # define FTOFF_FILE "ftoff.vim"
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242 #endif
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243 #ifndef FTPLUGOF_FILE
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244 # define FTPLUGOF_FILE "ftplugof.vim"
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245 #endif
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246 #ifndef INDOFF_FILE
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247 # define INDOFF_FILE "indoff.vim"
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248 #endif
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249 #ifndef SYS_MENU_FILE
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250 # define SYS_MENU_FILE "$VIMRUNTIME/menu.vim"
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251 #endif
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252
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253 #ifndef USR_EXRC_FILE
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254 # ifdef VMS
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255 # define USR_EXRC_FILE "sys$login:.exrc"
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256 # else
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257 # define USR_EXRC_FILE "$HOME/.exrc"
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258 # endif
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259 #endif
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260
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261 #if !defined(USR_EXRC_FILE2) && defined(VMS)
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262 # define USR_EXRC_FILE2 "sys$login:_exrc"
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263 #endif
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264
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265 #ifndef USR_VIMRC_FILE
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266 # ifdef VMS
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267 # define USR_VIMRC_FILE "sys$login:.vimrc"
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268 # else
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269 # define USR_VIMRC_FILE "$HOME/.vimrc"
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270 # endif
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271 #endif
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272
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273
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274 #if !defined(USR_VIMRC_FILE2)
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275 # ifdef VMS
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276 # define USR_VIMRC_FILE2 "sys$login:vimfiles/vimrc"
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277 # else
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278 # define USR_VIMRC_FILE2 "~/.vim/vimrc"
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279 # endif
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280 #endif
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281
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282 #if !defined(USR_VIMRC_FILE3) && defined(VMS)
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283 # define USR_VIMRC_FILE3 "sys$login:_vimrc"
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284 #endif
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285
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286 #ifndef USR_GVIMRC_FILE
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287 # ifdef VMS
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288 # define USR_GVIMRC_FILE "sys$login:.gvimrc"
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289 # else
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290 # define USR_GVIMRC_FILE "$HOME/.gvimrc"
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291 # endif
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292 #endif
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293
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294 #ifndef USR_GVIMRC_FILE2
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295 # ifdef VMS
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296 # define USR_GVIMRC_FILE2 "sys$login:vimfiles/gvimrc"
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297 # else
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298 # define USR_GVIMRC_FILE2 "~/.vim/gvimrc"
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299 # endif
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300 #endif
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301
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302 #ifdef VMS
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303 # ifndef USR_GVIMRC_FILE3
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304 # define USR_GVIMRC_FILE3 "sys$login:_gvimrc"
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305 # endif
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306 #endif
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307
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308 #ifndef VIM_DEFAULTS_FILE
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309 # define VIM_DEFAULTS_FILE "$VIMRUNTIME/defaults.vim"
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310 #endif
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311
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312 #ifndef EVIM_FILE
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313 # define EVIM_FILE "$VIMRUNTIME/evim.vim"
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314 #endif
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315
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316 #ifdef FEAT_VIMINFO
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317 # ifndef VIMINFO_FILE
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318 # ifdef VMS
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319 # define VIMINFO_FILE "sys$login:.viminfo"
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320 # else
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321 # define VIMINFO_FILE "$HOME/.viminfo"
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322 # endif
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323 # endif
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324 # if !defined(VIMINFO_FILE2) && defined(VMS)
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325 # define VIMINFO_FILE2 "sys$login:_viminfo"
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326 # endif
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327 #endif
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328
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329 #ifndef EXRC_FILE
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330 # define EXRC_FILE ".exrc"
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331 #endif
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332
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333 #ifndef VIMRC_FILE
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334 # define VIMRC_FILE ".vimrc"
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335 #endif
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336
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337 #ifdef FEAT_GUI
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338 # ifndef GVIMRC_FILE
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339 # define GVIMRC_FILE ".gvimrc"
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340 # endif
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341 #endif
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342
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343 #ifndef SYNTAX_FNAME
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344 # define SYNTAX_FNAME "$VIMRUNTIME/syntax/%s.vim"
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345 #endif
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346
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347 #ifndef DFLT_BDIR
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348 # ifdef VMS
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349 # define DFLT_BDIR "./,sys$login:,tmp:"
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350 # else
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351 # define DFLT_BDIR ".,~/tmp,~/" // default for 'backupdir'
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352 # endif
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353 #endif
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354
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355 #ifndef DFLT_DIR
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356 # ifdef VMS
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357 # define DFLT_DIR "./,sys$login:,tmp:"
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358 # else
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359 # define DFLT_DIR ".,~/tmp,/var/tmp,/tmp" // default for 'directory'
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360 # endif
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361 #endif
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362
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363 #ifndef DFLT_VDIR
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364 # ifdef VMS
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365 # define DFLT_VDIR "sys$login:vimfiles/view"
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366 # else
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367 # define DFLT_VDIR "$HOME/.vim/view" // default for 'viewdir'
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368 # endif
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369 #endif
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370
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371 #define DFLT_ERRORFILE "errors.err"
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372
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373 #ifndef DFLT_RUNTIMEPATH
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374
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375 # ifdef VMS
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376 # define DFLT_RUNTIMEPATH "sys$login:vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,sys$login:vimfiles/after"
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377 # define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after"
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378 # else
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379 # ifdef RUNTIME_GLOBAL
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380 # ifdef RUNTIME_GLOBAL_AFTER
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381 # define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER ",~/.vim/after"
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382 # define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER
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383 # else
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384 # define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after"
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385 # define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after"
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386 # endif
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387 # else
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388 # define DFLT_RUNTIMEPATH "~/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,~/.vim/after"
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389 # define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after"
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390 # endif
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391 # endif
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392
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393 #endif
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394
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395 #ifdef VMS
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396 # ifndef VAX
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397 # define VMS_TEMPNAM // to fix default .LIS extension
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398 # endif
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399 # define TEMPNAME "TMP:v?XXXXXX.txt"
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400 # define TEMPNAMELEN 28
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401 #else
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402 // Try several directories to put the temp files.
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403 # define TEMPDIRNAMES "$TMPDIR", "/tmp", ".", "$HOME"
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404 # define TEMPNAMELEN 256
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405 #endif
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406
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407 // Special wildcards that need to be handled by the shell
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408 #define SPECIAL_WILDCHAR "`'{"
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409
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410 /*
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411 * Unix has plenty of memory, use large buffers
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412 */
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413 #define CMDBUFFSIZE 1024 // size of the command processing buffer
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414
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415 // Use the system path length if it makes sense.
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416 #if defined(PATH_MAX) && (PATH_MAX > 1000)
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417 # define MAXPATHL PATH_MAX
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418 #else
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419 # define MAXPATHL 1024
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420 #endif
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421
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422 #define CHECK_INODE // used when checking if a swap file already
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423 // exists for a file
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424 #ifdef VMS // Use less memory because of older systems
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425 # ifndef DFLT_MAXMEM
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426 # define DFLT_MAXMEM (2*1024)
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427 # endif
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428 # ifndef DFLT_MAXMEMTOT
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429 # define DFLT_MAXMEMTOT (5*1024)
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430 # endif
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431 #else
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432 # ifndef DFLT_MAXMEM
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433 # define DFLT_MAXMEM (5*1024) // use up to 5 Mbyte for a buffer
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434 # endif
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435 # ifndef DFLT_MAXMEMTOT
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436 # define DFLT_MAXMEMTOT (10*1024) // use up to 10 Mbyte for Vim
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437 # endif
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438 #endif
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439
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440 // memmove() is not present on all systems, use memmove, bcopy or memcpy.
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441 // Some systems have (void *) arguments, some (char *). If we use (char *) it
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442 // works for all
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443 #if defined(USEMEMMOVE) || (!defined(USEBCOPY) && !defined(USEMEMCPY))
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444 # define mch_memmove(to, from, len) memmove((char *)(to), (char *)(from), len)
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445 #else
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446 # ifdef USEBCOPY
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447 # define mch_memmove(to, from, len) bcopy((char *)(from), (char *)(to), len)
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448 # else
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449 // ifdef USEMEMCPY
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450 # define mch_memmove(to, from, len) memcpy((char *)(to), (char *)(from), len)
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451 # endif
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452 #endif
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453
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454 #ifndef PROTO
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455 # ifdef HAVE_RENAME
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456 # define mch_rename(src, dst) rename(src, dst)
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457 # else
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458 int mch_rename(const char *src, const char *dest);
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459 # endif
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460 # ifndef VMS
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461 # ifdef __MVS__
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462 // on OS390 Unix getenv() doesn't return a pointer to persistent
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463 // storage -> use __getenv()
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464 # define mch_getenv(x) (char_u *)__getenv((char *)(x))
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465 # else
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466 # define mch_getenv(x) (char_u *)getenv((char *)(x))
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467 # endif
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468 # define mch_setenv(name, val, x) setenv(name, val, x)
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469 # endif
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470 #endif
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471
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472 // Note: Some systems need both string.h and strings.h (Savage). However,
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473 // some systems can't handle both, only use string.h in that case.
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474 #ifdef HAVE_STRING_H
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475 # include <string.h>
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476 #endif
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477 #if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
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478 # include <strings.h>
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479 #endif
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480
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481 #if defined(HAVE_SETJMP_H)
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482 # include <setjmp.h>
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483 # ifdef HAVE_SIGSETJMP
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484 # define JMP_BUF sigjmp_buf
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485 # define SETJMP(x) sigsetjmp((x), 1)
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486 # define LONGJMP siglongjmp
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487 # else
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488 # define JMP_BUF jmp_buf
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489 # define SETJMP(x) setjmp(x)
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490 # define LONGJMP longjmp
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491 # endif
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492 #endif
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493
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494 #ifndef HAVE_DUP
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495 # define HAVE_DUP // have dup()
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496 #endif
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497 #define HAVE_ST_MODE // have stat.st_mode
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498
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499 // We have three kinds of ACL support.
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500 #define HAVE_ACL (HAVE_POSIX_ACL || HAVE_SOLARIS_ACL || HAVE_AIX_ACL)