1 /* posixstat.h -- Posix stat(2) definitions for systems that 2 don't have them. */ 3 4 /* Copyright (C) 1987-2019 Free Software Foundation, Inc. 5 6 This file is part of GNU Bash, the Bourne Again SHell. 7 8 Bash is free software: you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation, either version 3 of the License, or 11 (at your option) any later version. 12 13 Bash is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with Bash. If not, see <http://www.gnu.org/licenses/>. 20 */ 21 22 /* This file should be included instead of <sys/stat.h>. 23 It relies on the local sys/stat.h to work though. */ 24 #if !defined (_POSIXSTAT_H_) 25 #define _POSIXSTAT_H_ 26 27 #include <sys/stat.h> 28 29 #if defined (STAT_MACROS_BROKEN) 30 # undef S_ISBLK 31 # undef S_ISCHR 32 # undef S_ISDIR 33 # undef S_ISFIFO 34 # undef S_ISREG 35 # undef S_ISLNK 36 #endif /* STAT_MACROS_BROKEN */ 37 38 /* These are guaranteed to work only on isc386 */ 39 #if !defined (S_IFDIR) && !defined (S_ISDIR) 40 # define S_IFDIR 0040000 41 #endif /* !S_IFDIR && !S_ISDIR */ 42 #if !defined (S_IFMT) 43 # define S_IFMT 0170000 44 #endif /* !S_IFMT */ 45 46 /* Posix 1003.1 5.6.1.1 <sys/stat.h> file types */ 47 48 /* Some Posix-wannabe systems define _S_IF* macros instead of S_IF*, but 49 do not provide the S_IS* macros that Posix requires. */ 50 51 #if defined (_S_IFMT) && !defined (S_IFMT) 52 #define S_IFMT _S_IFMT 53 #endif 54 #if defined (_S_IFIFO) && !defined (S_IFIFO) 55 #define S_IFIFO _S_IFIFO 56 #endif 57 #if defined (_S_IFCHR) && !defined (S_IFCHR) 58 #define S_IFCHR _S_IFCHR 59 #endif 60 #if defined (_S_IFDIR) && !defined (S_IFDIR) 61 #define S_IFDIR _S_IFDIR 62 #endif 63 #if defined (_S_IFBLK) && !defined (S_IFBLK) 64 #define S_IFBLK _S_IFBLK 65 #endif 66 #if defined (_S_IFREG) && !defined (S_IFREG) 67 #define S_IFREG _S_IFREG 68 #endif 69 #if defined (_S_IFLNK) && !defined (S_IFLNK) 70 #define S_IFLNK _S_IFLNK 71 #endif 72 #if defined (_S_IFSOCK) && !defined (S_IFSOCK) 73 #define S_IFSOCK _S_IFSOCK 74 #endif 75 76 /* Test for each symbol individually and define the ones necessary (some 77 systems claiming Posix compatibility define some but not all). */ 78 79 #if defined (S_IFBLK) && !defined (S_ISBLK) 80 #define S_ISBLK(m) (((m)&S_IFMT) == S_IFBLK) /* block device */ 81 #endif 82 83 #if defined (S_IFCHR) && !defined (S_ISCHR) 84 #define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR) /* character device */ 85 #endif 86 87 #if defined (S_IFDIR) && !defined (S_ISDIR) 88 #define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR) /* directory */ 89 #endif 90 91 #if defined (S_IFREG) && !defined (S_ISREG) 92 #define S_ISREG(m) (((m)&S_IFMT) == S_IFREG) /* file */ 93 #endif 94 95 #if defined (S_IFIFO) && !defined (S_ISFIFO) 96 #define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO) /* fifo - named pipe */ 97 #endif 98 99 #if defined (S_IFLNK) && !defined (S_ISLNK) 100 #define S_ISLNK(m) (((m)&S_IFMT) == S_IFLNK) /* symbolic link */ 101 #endif 102 103 #if defined (S_IFSOCK) && !defined (S_ISSOCK) 104 #define S_ISSOCK(m) (((m)&S_IFMT) == S_IFSOCK) /* socket */ 105 #endif 106 107 /* 108 * POSIX 1003.1 5.6.1.2 <sys/stat.h> File Modes 109 */ 110 111 #if !defined (S_IRWXU) 112 # if !defined (S_IREAD) 113 # define S_IREAD 00400 114 # define S_IWRITE 00200 115 # define S_IEXEC 00100 116 # endif /* S_IREAD */ 117 118 # if !defined (S_IRUSR) 119 # define S_IRUSR S_IREAD /* read, owner */ 120 # define S_IWUSR S_IWRITE /* write, owner */ 121 # define S_IXUSR S_IEXEC /* execute, owner */ 122 123 # define S_IRGRP (S_IREAD >> 3) /* read, group */ 124 # define S_IWGRP (S_IWRITE >> 3) /* write, group */ 125 # define S_IXGRP (S_IEXEC >> 3) /* execute, group */ 126 127 # define S_IROTH (S_IREAD >> 6) /* read, other */ 128 # define S_IWOTH (S_IWRITE >> 6) /* write, other */ 129 # define S_IXOTH (S_IEXEC >> 6) /* execute, other */ 130 # endif /* !S_IRUSR */ 131 132 # define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR) 133 # define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP) 134 # define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH) 135 #else /* !S_IRWXU */ 136 /* S_IRWXU is defined, but "group" and "other" bits might not be 137 (happens in certain versions of MinGW). */ 138 # if !defined (S_IRGRP) 139 # define S_IRGRP (S_IREAD >> 3) /* read, group */ 140 # define S_IWGRP (S_IWRITE >> 3) /* write, group */ 141 # define S_IXGRP (S_IEXEC >> 3) /* execute, group */ 142 # endif /* !S_IRGRP */ 143 144 # if !defined (S_IROTH) 145 # define S_IROTH (S_IREAD >> 6) /* read, other */ 146 # define S_IWOTH (S_IWRITE >> 6) /* write, other */ 147 # define S_IXOTH (S_IEXEC >> 6) /* execute, other */ 148 # endif /* !S_IROTH */ 149 # if !defined (S_IRWXG) 150 # define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP) 151 # endif 152 # if !defined (S_IRWXO) 153 # define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH) 154 # endif 155 #endif /* !S_IRWXU */ 156 157 /* These are non-standard, but are used in builtins.c$symbolic_umask() */ 158 #define S_IRUGO (S_IRUSR | S_IRGRP | S_IROTH) 159 #define S_IWUGO (S_IWUSR | S_IWGRP | S_IWOTH) 160 #define S_IXUGO (S_IXUSR | S_IXGRP | S_IXOTH) 161 162 #endif /* _POSIXSTAT_H_ */ 163