Block devices generally truncate the size of I/O requests which go past EOF.
[dragonfly.git] / contrib / libreadline / posixstat.h
blobc93b52887e9dfc5b0405153cc9c3658f0281ac1c
1 /* posixstat.h -- Posix stat(2) definitions for systems that
2 don't have them. */
4 /* Copyright (C) 1987,1991 Free Software Foundation, Inc.
6 This file is part of GNU Bash, the Bourne Again SHell.
8 Bash is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
13 Bash is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
16 License for more details.
18 You should have received a copy of the GNU General Public License
19 along with Bash; see the file COPYING. If not, write to the Free
20 Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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_
27 #include <sys/stat.h>
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 */
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 */
46 /* Posix 1003.1 5.6.1.1 <sys/stat.h> file types */
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. */
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
76 /* Test for each symbol individually and define the ones necessary (some
77 systems claiming Posix compatibility define some but not all). */
79 #if defined (S_IFBLK) && !defined (S_ISBLK)
80 #define S_ISBLK(m) (((m)&S_IFMT) == S_IFBLK) /* block device */
81 #endif
83 #if defined (S_IFCHR) && !defined (S_ISCHR)
84 #define S_ISCHR(m) (((m)&S_IFMT) == S_IFCHR) /* character device */
85 #endif
87 #if defined (S_IFDIR) && !defined (S_ISDIR)
88 #define S_ISDIR(m) (((m)&S_IFMT) == S_IFDIR) /* directory */
89 #endif
91 #if defined (S_IFREG) && !defined (S_ISREG)
92 #define S_ISREG(m) (((m)&S_IFMT) == S_IFREG) /* file */
93 #endif
95 #if defined (S_IFIFO) && !defined (S_ISFIFO)
96 #define S_ISFIFO(m) (((m)&S_IFMT) == S_IFIFO) /* fifo - named pipe */
97 #endif
99 #if defined (S_IFLNK) && !defined (S_ISLNK)
100 #define S_ISLNK(m) (((m)&S_IFMT) == S_IFLNK) /* symbolic link */
101 #endif
103 #if defined (S_IFSOCK) && !defined (S_ISSOCK)
104 #define S_ISSOCK(m) (((m)&S_IFMT) == S_IFSOCK) /* socket */
105 #endif
108 * POSIX 1003.1 5.6.1.2 <sys/stat.h> File Modes
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 */
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 */
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 */
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 */
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 #endif /* !S_IRWXU */
137 /* These are non-standard, but are used in builtins.c$symbolic_umask() */
138 #define S_IRUGO (S_IRUSR | S_IRGRP | S_IROTH)
139 #define S_IWUGO (S_IWUSR | S_IWGRP | S_IWOTH)
140 #define S_IXUGO (S_IXUSR | S_IXGRP | S_IXOTH)
142 #endif /* _POSIXSTAT_H_ */