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1 /*
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2 Copyright (C) 1995 Free Software Foundation, Inc.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not really in FSF. */
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22
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23 #include <errno.h>
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100
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24
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25 #ifndef WINDOWSNT
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0
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26 #include <sys/errno.h> /* <errno.h> does not always imply this */
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100
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27 #endif
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28
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0
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29 /* Load sys/types.h if not already loaded.
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30 In some systems loading it twice is suicidal. */
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31 #ifndef makedev
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32 #include <sys/types.h> /* some typedefs are used in sys/file.h */
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33 #endif
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34 #include <sys/file.h>
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35 #include <sys/stat.h>
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36 #include <sys/param.h>
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37
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38 #if NeXT
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39 /* what is needed from here? Do others need it too? */
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40 # include <sys/fcntl.h>
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41 #endif /* NeXT */
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42
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43 #ifdef VMS
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44 #ifndef __GNUC__
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45 #include <file.h>
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46 #endif
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47 #include <rms.h>
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48 #include <rmsdef.h>
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49 #include <fab.h>
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50 #include <nam.h>
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51 #include <perror.h>
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52 #include <stddef.h>
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53 #endif
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54
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55 #ifdef WINDOWSNT
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100
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56 #include <io.h>
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57 #endif
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58
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59 #if 0
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60 #ifdef WINDOWSNT
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0
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61 #include <windows.h>
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62 #include <stdlib.h> /* for proper declaration of environ */
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63 #include <fcntl.h>
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64 #include "nt.h"
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65 #define _P_NOWAIT 1 /* from process.h */
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66 #endif
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100
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67 #endif
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0
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68
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69 #ifdef MSDOS
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70 #include <dos.h>
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71 #include "msdos.h"
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72 #endif /* MSDOS */
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73
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74 #ifndef O_RDONLY
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75 #define O_RDONLY 0
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76 #endif
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77
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78 #ifndef O_WRONLY
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79 #define O_WRONLY 1
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80 #endif
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81
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82 #ifndef O_RDWR
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83 #define O_RDWR 2
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84 #endif
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85
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86 /* if system does not have symbolic links, it does not have lstat.
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87 In that case, use ordinary stat instead. */
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88
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89 #ifndef S_IFLNK
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90 #define lstat stat
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91 #endif
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92
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93 #if !S_IRUSR
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94 # if S_IREAD
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95 # define S_IRUSR S_IREAD
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96 # else
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97 # define S_IRUSR 00400
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98 # endif
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99 #endif
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100
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101 #if !S_IWUSR
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102 # if S_IWRITE
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103 # define S_IWUSR S_IWRITE
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104 # else
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105 # define S_IWUSR 00200
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106 # endif
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107 #endif
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108
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109 #if !S_IXUSR
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110 # if S_IEXEC
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111 # define S_IXUSR S_IEXEC
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112 # else
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113 # define S_IXUSR 00100
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114 # endif
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115 #endif
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116
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117 #ifdef STAT_MACROS_BROKEN
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118 #undef S_ISBLK
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119 #undef S_ISCHR
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120 #undef S_ISDIR
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121 #undef S_ISFIFO
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122 #undef S_ISLNK
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123 #undef S_ISMPB
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124 #undef S_ISMPC
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125 #undef S_ISNWK
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126 #undef S_ISREG
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127 #undef S_ISSOCK
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128 #endif /* STAT_MACROS_BROKEN. */
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129
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130 #if !defined(S_ISBLK) && defined(S_IFBLK)
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131 #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
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132 #endif
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133 #if !defined(S_ISCHR) && defined(S_IFCHR)
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134 #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
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135 #endif
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136 #if !defined(S_ISDIR) && defined(S_IFDIR)
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137 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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138 #endif
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139 #if !defined(S_ISREG) && defined(S_IFREG)
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140 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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141 #endif
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142 #if !defined(S_ISFIFO) && defined(S_IFIFO)
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143 #define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
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144 #endif
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145 #if !defined(S_ISLNK) && defined(S_IFLNK)
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146 #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
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147 #endif
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148 #if !defined(S_ISSOCK) && defined(S_IFSOCK)
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149 #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
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150 #endif
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151 #if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
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152 #define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
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153 #define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
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154 #endif
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155 #if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
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156 #define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
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157 #endif
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158
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159 #if !defined (USG) && !defined (VMS) && !defined (WINDOWSNT)
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160 # define HAVE_FSYNC
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161 #endif
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162
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163 #ifndef MAXPATHLEN
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164 /* in 4.1, param.h fails to define this. */
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165 #define MAXPATHLEN 1024
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166 #endif /* not MAXPATHLEN */
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167
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168 #ifndef X_OK
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169 # define X_OK 01
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170 #endif
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171
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172 #ifndef FD_CLOEXEC
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173 # define FD_CLOEXEC 1
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174 #endif
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175
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176 /* encapsulations: file-information calls */
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177
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178 #ifdef ENCAPSULATE_ACCESS
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179 extern int sys_access (CONST char *path, int mode);
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180 #endif
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181 #if defined (ENCAPSULATE_ACCESS) && !defined (DONT_ENCAPSULATE)
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182 # undef access
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183 # define access sys_access
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184 #endif
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185 #if !defined (ENCAPSULATE_ACCESS) && defined (DONT_ENCAPSULATE)
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186 # define sys_access access
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187 #endif
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188
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2
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189 #ifdef ENCAPSULATE_EACCESS
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190 extern int sys_eaccess (CONST char *path, int mode);
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191 #endif
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192 #if defined (ENCAPSULATE_EACCESS) && !defined (DONT_ENCAPSULATE)
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193 # undef eaccess
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194 # define eaccess sys_eaccess
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195 #endif
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196 #if !defined (ENCAPSULATE_EACCESS) && defined (DONT_ENCAPSULATE)
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197 # define sys_eaccess eaccess
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198 #endif
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199
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200 #ifdef ENCAPSULATE_LSTAT
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201 extern int sys_lstat (CONST char *path, struct stat *buf);
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202 #endif
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203 #if defined (ENCAPSULATE_LSTAT) && !defined (DONT_ENCAPSULATE)
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204 # undef lstat
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205 # define lstat sys_lstat
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206 #endif
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207 #if !defined (ENCAPSULATE_LSTAT) && defined (DONT_ENCAPSULATE)
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208 # define sys_lstat lstat
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209 #endif
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210
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211 #ifdef ENCAPSULATE_READLINK
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212 extern int sys_readlink (CONST char *path, char *buf, int bufsiz);
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213 #endif
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214 #if defined (ENCAPSULATE_READLINK) && !defined (DONT_ENCAPSULATE)
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215 # undef readlink
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216 # define readlink sys_readlink
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217 #endif
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218 #if !defined (ENCAPSULATE_READLINK) && defined (DONT_ENCAPSULATE)
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219 # define sys_readlink readlink
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220 #endif
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221
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222 #ifdef ENCAPSULATE_STAT
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223 extern int sys_stat (CONST char *path, struct stat *buf);
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224 #endif
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225 #if defined (ENCAPSULATE_STAT) && !defined (DONT_ENCAPSULATE)
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226 # undef stat
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227 /* Need to use arguments to avoid messing with struct stat */
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228 # define stat(path, buf) sys_stat (path, buf)
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229 #endif
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230 #if !defined (ENCAPSULATE_STAT) && defined (DONT_ENCAPSULATE)
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231 # define sys_stat stat
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232 #endif
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233
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234 /* encapsulations: file-manipulation calls */
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235
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236 #ifdef ENCAPSULATE_CHMOD
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237 extern int sys_chmod (CONST char *path, int mode);
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238 #endif
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239 #if defined (ENCAPSULATE_CHMOD) && !defined (DONT_ENCAPSULATE)
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240 # undef chmod
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241 # define chmod sys_chmod
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242 #endif
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243 #if !defined (ENCAPSULATE_CHMOD) && defined (DONT_ENCAPSULATE)
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244 # define sys_chmod chmod
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245 #endif
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246
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247 #ifdef ENCAPSULATE_CREAT
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248 extern int sys_creat (CONST char *path, int mode);
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249 #endif
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250 #if defined (ENCAPSULATE_CREAT) && !defined (DONT_ENCAPSULATE)
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251 # undef creat
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252 # define creat sys_creat
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253 #endif
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254 #if !defined (ENCAPSULATE_CREAT) && defined (DONT_ENCAPSULATE)
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255 # define sys_creat creat
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256 #endif
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257
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258 #ifdef ENCAPSULATE_LINK
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259 extern int sys_link (CONST char *existing, CONST char *new);
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260 #endif
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261 #if defined (ENCAPSULATE_LINK) && !defined (DONT_ENCAPSULATE)
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262 # undef link
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263 # define link sys_link
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264 #endif
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265 #if !defined (ENCAPSULATE_LINK) && defined (DONT_ENCAPSULATE)
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266 # define sys_link link
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267 #endif
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268
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269 #ifdef ENCAPSULATE_RENAME
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270 extern int sys_rename (CONST char *old, CONST char *new);
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271 #endif
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272 #if defined (ENCAPSULATE_RENAME) && !defined (DONT_ENCAPSULATE)
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273 # undef rename
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274 # define rename sys_rename
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275 #endif
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276 #if !defined (ENCAPSULATE_RENAME) && defined (DONT_ENCAPSULATE)
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277 # define sys_rename rename
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278 #endif
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279
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280 #ifdef ENCAPSULATE_SYMLINK
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281 extern int sys_symlink (CONST char *name1, CONST char *name2);
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282 #endif
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283 #if defined (ENCAPSULATE_SYMLINK) && !defined (DONT_ENCAPSULATE)
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284 # undef symlink
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285 # define symlink sys_symlink
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286 #endif
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287 #if !defined (ENCAPSULATE_SYMLINK) && defined (DONT_ENCAPSULATE)
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288 # define sys_symlink symlink
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289 #endif
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290
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291 #ifdef ENCAPSULATE_UNLINK
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292 extern int sys_unlink (CONST char *path);
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293 #endif
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294 #if defined (ENCAPSULATE_UNLINK) && !defined (DONT_ENCAPSULATE)
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295 # undef unlink
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296 # define unlink sys_unlink
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297 #endif
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298 #if !defined (ENCAPSULATE_UNLINK) && defined (DONT_ENCAPSULATE)
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299 # define sys_unlink unlink
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300 #endif
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301
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302 #ifdef ENCAPSULATE_EXECVP
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303 extern int sys_execvp (CONST char *, char * CONST *);
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304 #endif
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305 #if defined (ENCAPSULATE_EXECVP) && !defined (DONT_ENCAPSULATE)
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306 # undef execvp
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307 # define execvp sys_execvp
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308 #endif
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309 #if !defined (ENCAPSULATE_EXECVP) && defined (DONT_ENCAPSULATE)
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310 # define sys_execvp execvp
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311 #endif
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