annotate src/os_unix.h @ 34686:83875247fbc0 v9.1.0224

patch 9.1.0224: cursor may move too many lines over "right" & "below" virt text Commit: https://github.com/vim/vim/commit/515f734e687f28f7199b2a8042197624d9f3ec15 Author: Dylan Thacker-Smith <dylan.ah.smith@gmail.com> Date: Thu Mar 28 12:01:14 2024 +0100 patch 9.1.0224: cursor may move too many lines over "right" & "below" virt text Problem: If a line has "right" & "below" virtual text properties, where the "below" property may be stored first due to lack of ordering between them, then the line height is calculated to be 1 more and causes the cursor to far over the line. Solution: Remove some unnecessary setting of a `next_right_goes_below = TRUE` flag for "below" and "above" text properties. (Dylan Thacker-Smith) I modified a regression test I recently added to cover this case, leveraging the fact that "after", "right" & "below" text properties are being stored in the reverse of the order they are added in. The previous version of this regression test was crafted to workaround this issue so it can be addressed by this separate patch. closes: #14317 Signed-off-by: Dylan Thacker-Smith <dylan.ah.smith@gmail.com> Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Thu, 28 Mar 2024 12:15:03 +0100
parents 695b50472e85
children 2d7721a4d213
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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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 #ifdef SIGHASARG
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92 # define SIGPROTOARG (int)
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93 # define SIGDEFARG(s) (int s UNUSED)
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94 # define SIGDUMMYARG 0
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95 #else
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96 # define SIGPROTOARG (void)
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97 # define SIGDEFARG(s) ()
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98 # define SIGDUMMYARG
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99 #endif
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100
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101 typedef void (*sighandler_T) SIGPROTOARG;
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102
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103 #ifdef HAVE_DIRENT_H
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104 # include <dirent.h>
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105 # ifndef NAMLEN
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106 # define NAMLEN(dirent) strlen((dirent)->d_name)
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107 # endif
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108 #else
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109 # define dirent direct
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110 # define NAMLEN(dirent) (dirent)->d_namlen
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111 # if HAVE_SYS_NDIR_H
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112 # include <sys/ndir.h>
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113 # endif
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114 # if HAVE_SYS_DIR_H
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115 # include <sys/dir.h>
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116 # endif
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117 # if HAVE_NDIR_H
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118 # include <ndir.h>
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119 # endif
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120 #endif
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121
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122 #include <time.h>
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123 #ifdef HAVE_SYS_TIME_H
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124 # include <sys/time.h>
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125 #endif
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126
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127 #include <signal.h>
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128
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129 #if defined(DIRSIZ) && !defined(MAXNAMLEN)
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130 # define MAXNAMLEN DIRSIZ
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131 #endif
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132
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133 #if defined(UFS_MAXNAMLEN) && !defined(MAXNAMLEN)
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134 # define MAXNAMLEN UFS_MAXNAMLEN // for dynix/ptx
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135 #endif
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136
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137 #if defined(NAME_MAX) && !defined(MAXNAMLEN)
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138 # define MAXNAMLEN NAME_MAX // for Linux before .99p3
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139 #endif
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140
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141 /*
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142 * Note: if MAXNAMLEN has the wrong value, you will get error messages
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143 * for not being able to open the swap file.
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144 */
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145 #if !defined(MAXNAMLEN)
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146 # define MAXNAMLEN 512 // for all other Unix
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147 #endif
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148
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149 #define BASENAMELEN (MAXNAMLEN - 5)
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150
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151 #ifdef HAVE_PWD_H
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152 # include <pwd.h>
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153 #endif
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154
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155 #if (defined(HAVE_SYS_RESOURCE_H) && defined(HAVE_GETRLIMIT)) \
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156 || (defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO)) \
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157 || defined(HAVE_SYSCTL) || defined(HAVE_SYSCONF)
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158 # define HAVE_TOTAL_MEM
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159 #endif
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160
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161
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162 #ifndef PROTO
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163
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164 #ifdef VMS
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165 # include <unixio.h>
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166 # include <unixlib.h>
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167 # include <signal.h>
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168 # include <file.h>
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169 # include <ssdef.h>
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170 # include <descrip.h>
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171 # include <libclidef.h>
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172 # include <lnmdef.h>
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173 # include <psldef.h>
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174 # include <prvdef.h>
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175 # include <dvidef.h>
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176 # include <dcdef.h>
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177 # include <stsdef.h>
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178 # include <iodef.h>
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179 # include <ttdef.h>
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180 # include <tt2def.h>
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181 # include <jpidef.h>
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182 # include <rms.h>
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183 # include <trmdef.h>
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184 # include <string.h>
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185 # include <starlet.h>
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186 # include <socket.h>
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187 # include <lib$routines.h>
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188 # include <libdef.h>
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189 # include <libdtdef.h>
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190
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191 # if defined(FEAT_GUI_MOTIF)
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192 # define XFree XFREE
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193 # define XmRepTypeInstallTearOffModelCon XMREPTYPEINSTALLTEAROFFMODELCON
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194 # endif
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195 #endif // VMS
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196
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197 #ifdef HAVE_FLOCK
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198 # include <sys/file.h>
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199 #endif
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200
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201 #endif // PROTO
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202
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203 #ifdef VMS
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204 typedef struct dsc$descriptor DESC;
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205 #endif
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206
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207 /*
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208 * Unix system-dependent file names
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209 */
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210 #ifndef SYS_VIMRC_FILE
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211 # define SYS_VIMRC_FILE "$VIM/vimrc"
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212 #endif
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213 #ifndef SYS_GVIMRC_FILE
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214 # define SYS_GVIMRC_FILE "$VIM/gvimrc"
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215 #endif
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216 #ifndef DFLT_HELPFILE
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217 # define DFLT_HELPFILE "$VIMRUNTIME/doc/help.txt"
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218 #endif
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219 #ifndef SYS_MENU_FILE
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220 # define SYS_MENU_FILE "$VIMRUNTIME/menu.vim"
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221 #endif
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222
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223 #ifndef USR_EXRC_FILE
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224 # ifdef VMS
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225 # define USR_EXRC_FILE "sys$login:.exrc"
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226 # else
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227 # define USR_EXRC_FILE "$HOME/.exrc"
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228 # endif
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229 #endif
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230
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231 #if !defined(USR_EXRC_FILE2) && defined(VMS)
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232 # define USR_EXRC_FILE2 "sys$login:_exrc"
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233 #endif
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234
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235 #ifndef USR_VIMRC_FILE
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236 # ifdef VMS
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237 # define USR_VIMRC_FILE "sys$login:.vimrc"
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238 # else
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239 # define USR_VIMRC_FILE "$HOME/.vimrc"
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240 # endif
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241 #endif
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242
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243
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244 #if !defined(USR_VIMRC_FILE2)
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245 # ifdef VMS
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246 # define USR_VIMRC_FILE2 "sys$login:vimfiles/vimrc"
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247 # else
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248 # define USR_VIMRC_FILE2 "~/.vim/vimrc"
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249 # endif
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250 #endif
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251
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252 #if !defined(USR_VIMRC_FILE3) && defined(VMS)
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253 # define USR_VIMRC_FILE3 "sys$login:_vimrc"
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254 #endif
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255
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256 #ifndef USR_GVIMRC_FILE
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257 # ifdef VMS
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258 # define USR_GVIMRC_FILE "sys$login:.gvimrc"
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259 # else
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260 # define USR_GVIMRC_FILE "$HOME/.gvimrc"
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261 # endif
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262 #endif
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263
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264 #ifndef USR_GVIMRC_FILE2
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265 # ifdef VMS
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266 # define USR_GVIMRC_FILE2 "sys$login:vimfiles/gvimrc"
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267 # else
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268 # define USR_GVIMRC_FILE2 "~/.vim/gvimrc"
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269 # endif
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270 #endif
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271
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272 #ifdef VMS
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273 # ifndef USR_GVIMRC_FILE3
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274 # define USR_GVIMRC_FILE3 "sys$login:_gvimrc"
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275 # endif
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276 #endif
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277
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278 #ifndef VIM_DEFAULTS_FILE
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279 # define VIM_DEFAULTS_FILE "$VIMRUNTIME/defaults.vim"
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280 #endif
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281
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282 #ifndef EVIM_FILE
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283 # define EVIM_FILE "$VIMRUNTIME/evim.vim"
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284 #endif
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285
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286 #ifdef FEAT_VIMINFO
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287 # ifndef VIMINFO_FILE
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288 # ifdef VMS
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289 # define VIMINFO_FILE "sys$login:.viminfo"
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290 # else
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291 # define VIMINFO_FILE "$HOME/.viminfo"
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292 # endif
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293 # endif
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294 # if !defined(VIMINFO_FILE2) && defined(VMS)
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295 # define VIMINFO_FILE2 "sys$login:_viminfo"
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296 # endif
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297 #endif
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298
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299 #ifndef EXRC_FILE
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300 # define EXRC_FILE ".exrc"
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301 #endif
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302
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303 #ifndef VIMRC_FILE
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304 # define VIMRC_FILE ".vimrc"
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305 #endif
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306
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307 #ifdef FEAT_GUI
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308 # ifndef GVIMRC_FILE
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309 # define GVIMRC_FILE ".gvimrc"
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310 # endif
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311 #endif
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312
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313 #ifndef SYNTAX_FNAME
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314 # define SYNTAX_FNAME "$VIMRUNTIME/syntax/%s.vim"
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315 #endif
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316
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317 #ifndef DFLT_BDIR
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318 # ifdef VMS
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319 # define DFLT_BDIR "./,sys$login:,tmp:"
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320 # else
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321 # define DFLT_BDIR ".,~/tmp,~/" // default for 'backupdir'
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322 # endif
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323 #endif
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324
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325 #ifndef DFLT_DIR
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326 # ifdef VMS
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327 # define DFLT_DIR "./,sys$login:,tmp:"
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328 # else
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329 # define DFLT_DIR ".,~/tmp,/var/tmp,/tmp" // default for 'directory'
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330 # endif
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331 #endif
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332
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333 #ifndef DFLT_VDIR
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334 # ifdef VMS
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335 # define DFLT_VDIR "sys$login:vimfiles/view"
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336 # else
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337 # define DFLT_VDIR "$HOME/.vim/view" // default for 'viewdir'
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338 # endif
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339 #endif
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340
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341 #define DFLT_ERRORFILE "errors.err"
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342
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343 #ifndef DFLT_RUNTIMEPATH
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344
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345 # ifdef VMS
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346 # define DFLT_RUNTIMEPATH "sys$login:vimfiles,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,sys$login:vimfiles/after"
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347 # define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after"
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348 # else
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349 # ifdef RUNTIME_GLOBAL
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350 # ifdef RUNTIME_GLOBAL_AFTER
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351 # define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER ",~/.vim/after"
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352 # define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL_AFTER
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353 # else
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354 # define DFLT_RUNTIMEPATH "~/.vim," RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after,~/.vim/after"
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355 # define CLEAN_RUNTIMEPATH RUNTIME_GLOBAL ",$VIMRUNTIME," RUNTIME_GLOBAL "/after"
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356 # endif
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357 # else
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358 # define DFLT_RUNTIMEPATH "~/.vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,~/.vim/after"
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359 # define CLEAN_RUNTIMEPATH "$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after"
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360 # endif
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361 # endif
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362
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363 #endif
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364
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365 #ifdef VMS
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366 # ifndef VAX
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367 # define VMS_TEMPNAM // to fix default .LIS extension
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368 # endif
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369 # define TEMPNAME "TMP:v?XXXXXX.txt"
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370 # define TEMPNAMELEN 28
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371 #else
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372 // Try several directories to put the temp files.
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373 # define TEMPDIRNAMES "$TMPDIR", "/tmp", ".", "$HOME"
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374 # define TEMPNAMELEN 256
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375 #endif
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376
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377 // Special wildcards that need to be handled by the shell
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378 #define SPECIAL_WILDCHAR "`'{"
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379
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380 /*
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381 * Unix has plenty of memory, use large buffers
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382 */
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383 #define CMDBUFFSIZE 1024 // size of the command processing buffer
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384
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385 // Use the system path length if it makes sense.
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386 #if defined(PATH_MAX) && (PATH_MAX > 1000)
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387 # define MAXPATHL PATH_MAX
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388 #else
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389 # define MAXPATHL 1024
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390 #endif
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391
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392 #define CHECK_INODE // used when checking if a swap file already
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393 // exists for a file
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394 #ifdef VMS // Use less memory because of older systems
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395 # ifndef DFLT_MAXMEM
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396 # define DFLT_MAXMEM (2*1024)
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397 # endif
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398 # ifndef DFLT_MAXMEMTOT
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399 # define DFLT_MAXMEMTOT (5*1024)
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400 # endif
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401 #else
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402 # ifndef DFLT_MAXMEM
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403 # define DFLT_MAXMEM (5*1024) // use up to 5 Mbyte for a buffer
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404 # endif
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405 # ifndef DFLT_MAXMEMTOT
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406 # define DFLT_MAXMEMTOT (10*1024) // use up to 10 Mbyte for Vim
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407 # endif
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408 #endif
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409
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410 // memmove() is not present on all systems, use memmove, bcopy or memcpy.
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411 // Some systems have (void *) arguments, some (char *). If we use (char *) it
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412 // works for all
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413 #if defined(USEMEMMOVE) || (!defined(USEBCOPY) && !defined(USEMEMCPY))
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414 # define mch_memmove(to, from, len) memmove((char *)(to), (char *)(from), len)
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415 #else
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416 # ifdef USEBCOPY
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417 # define mch_memmove(to, from, len) bcopy((char *)(from), (char *)(to), len)
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418 # else
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419 // ifdef USEMEMCPY
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420 # define mch_memmove(to, from, len) memcpy((char *)(to), (char *)(from), len)
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421 # endif
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422 #endif
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423
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424 #ifndef PROTO
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425 # ifdef HAVE_RENAME
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426 # define mch_rename(src, dst) rename(src, dst)
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427 # else
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428 int mch_rename(const char *src, const char *dest);
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429 # endif
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430 # ifndef VMS
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431 # ifdef __MVS__
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432 // on OS390 Unix getenv() doesn't return a pointer to persistent
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433 // storage -> use __getenv()
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434 # define mch_getenv(x) (char_u *)__getenv((char *)(x))
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435 # else
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436 # define mch_getenv(x) (char_u *)getenv((char *)(x))
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437 # endif
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438 # define mch_setenv(name, val, x) setenv(name, val, x)
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439 # endif
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440 #endif
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441
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442 // Note: Some systems need both string.h and strings.h (Savage). However,
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443 // some systems can't handle both, only use string.h in that case.
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444 #ifdef HAVE_STRING_H
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445 # include <string.h>
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446 #endif
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447 #if defined(HAVE_STRINGS_H) && !defined(NO_STRINGS_WITH_STRING_H)
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448 # include <strings.h>
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449 #endif
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450
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451 #if defined(HAVE_SETJMP_H)
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452 # include <setjmp.h>
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453 # ifdef HAVE_SIGSETJMP
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454 # define JMP_BUF sigjmp_buf
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455 # define SETJMP(x) sigsetjmp((x), 1)
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456 # define LONGJMP siglongjmp
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457 # else
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458 # define JMP_BUF jmp_buf
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459 # define SETJMP(x) setjmp(x)
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460 # define LONGJMP longjmp
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461 # endif
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462 #endif
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463
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464 #ifndef HAVE_DUP
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465 # define HAVE_DUP // have dup()
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466 #endif
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467 #define HAVE_ST_MODE // have stat.st_mode
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468
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469 // We have three kinds of ACL support.
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470 #define HAVE_ACL (HAVE_POSIX_ACL || HAVE_SOLARIS_ACL || HAVE_AIX_ACL)