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annotate modules/unistd @ 11942:d1047ae4b8d5

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openat: declare in POSIX headers * NEWS: Mention this. * modules/openat (configure.ac): Declare witnesses. (Depends-on): Add fcntl-h, sys_stat, unistd. (Include): Mention correct headers. * modules/fcntl-h (Depends-on): Add link-warning. (Files): Add openat.m4. (Makefile.am): Substitute witnesses. * modules/sys_stat (Files, Makefile.am): Likewise. * modules/unistd (Files, Makefile.am): Likewise. * m4/openat.m4 (gl_FUNC_OPENAT, gl_FUNC_FCHOWNAT): Set witnesses. (gl_OPENAT_DEFAULTS): New macro. * m4/fcntl_h.m4 (gl_FCNTL_H_DEFAULTS): Use it. * m4/unistd_h.m4 (gl_UNISTD_H_DEFAULTS): Likewise. * m4/sys_stat_h.m4 (gl_SYS_STAT_H_DEFAULTS): Likewise. (SYS_STAT_H): Remove unused variable. * doc/posix-headers/fcntl.texi (fcntl.h): Update content. * lib/fcntl--.h (includes): Remove unneeded header. * lib/openat-safer.c (includes): Likewise. * lib/openat.h (AT_FDCWD, AT_SYMLINK_NOFOLLOW, AT_REMOVEDIR) (openat, fstatat, unlinkat, mkdirat, fchmodat, fchownat): Move to appropriate headers. (__OPENAT_PREFIX): Delete. * lib/fcntl.in.h (openat): Provide declaration. (AT_FDCWD): Fix Solaris bug. (AT_SYMLINK_NOFOLLOW, AT_REMOVEDIR): Provide macros. * lib/sys_stat.in.h (fstatat, mkdirat): Provide declaration. * lib/fchmodat.c (includes): Adjust to find declaration. * lib/fchownat.c (includes): Likewise. * lib/mkdirat.c (includes): Likewise. * lib/fstatat.c (includes): Likewise. Ensure original fstatat is still visible. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Wed, 02 Sep 2009 17:14:26 -0600
parents 3ac76948db10
children 2cf208dc022b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6685
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
Simon Josefsson <simon@josefsson.org>
parents:
diff changeset
1 Description:
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
2 A GNU-like <unistd.h>.
6685
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
Simon Josefsson <simon@josefsson.org>
parents:
diff changeset
3
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
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parents:
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4 Files:
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
Simon Josefsson <simon@josefsson.org>
parents:
diff changeset
5 m4/unistd_h.m4
9271
56962d28d442 Rename unistd_.h to unistd.in.h.
Bruno Haible <bruno@clisp.org>
parents: 9102
diff changeset
6 lib/unistd.in.h
11942
d1047ae4b8d5 openat: declare in POSIX headers
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parents: 11886
diff changeset
7 m4/openat.m4
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8
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
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9 Depends-on:
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1025663f7658 * m4/include_next.m4 (gl_INCLUDE_NEXT): Define and AC_SUBST
Paul Eggert <eggert@cs.ucla.edu>
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diff changeset
10 include_next
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11 link-warning
11832
ff3dd373542b stddef: fix NetBSD 5.0 NULL bug, rather than working around it
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12 stddef
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13
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
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14 configure.ac:
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diff changeset
15 gl_UNISTD_H
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16
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17 Makefile.am:
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18 BUILT_SOURCES += unistd.h
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19
6689
93d578c7aa44 * lib/c-stack.c: Include unistd.h unconditionally, since we now assume
Paul Eggert <eggert@cs.ucla.edu>
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diff changeset
20 # We need the following in order to create an empty placeholder for
93d578c7aa44 * lib/c-stack.c: Include unistd.h unconditionally, since we now assume
Paul Eggert <eggert@cs.ucla.edu>
parents: 6687
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21 # <unistd.h> when the system doesn't have one.
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56962d28d442 Rename unistd_.h to unistd.in.h.
Bruno Haible <bruno@clisp.org>
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diff changeset
22 unistd.h: unistd.in.h
11868
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parents: 11832
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23 $(AM_V_GEN)rm -f $@-t $@ && \
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8bace4b08db5 Mark generated files as "DO NOT EDIT".
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parents: 6689
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24 { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
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25 sed -e 's|@''HAVE_UNISTD_H''@|$(HAVE_UNISTD_H)|g' \
10375
f96e845fc36d Avoid some "gcc -pedantic" warnings.
Bruno Haible <bruno@clisp.org>
parents: 9721
diff changeset
26 -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
f96e845fc36d Avoid some "gcc -pedantic" warnings.
Bruno Haible <bruno@clisp.org>
parents: 9721
diff changeset
27 -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
8995
1025663f7658 * m4/include_next.m4 (gl_INCLUDE_NEXT): Define and AC_SUBST
Paul Eggert <eggert@cs.ucla.edu>
parents: 8982
diff changeset
28 -e 's|@''NEXT_UNISTD_H''@|$(NEXT_UNISTD_H)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
29 -e 's|@''GNULIB_CHOWN''@|$(GNULIB_CHOWN)|g' \
10609
5acc60c1ec66 New module 'close'.
Paolo Bonzini <bonzini@gnu.org>
parents: 10582
diff changeset
30 -e 's|@''GNULIB_CLOSE''@|$(GNULIB_CLOSE)|g' \
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31 -e 's|@''GNULIB_DUP2''@|$(GNULIB_DUP2)|g' \
11886
3ac76948db10 New module 'dup3'.
Bruno Haible <bruno@clisp.org>
parents: 11870
diff changeset
32 -e 's|@''GNULIB_DUP3''@|$(GNULIB_DUP3)|g' \
9721
1d443a80afc4 New module 'environ'.
Bruno Haible <bruno@clisp.org>
parents: 9552
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33 -e 's|@''GNULIB_ENVIRON''@|$(GNULIB_ENVIRON)|g' \
10662
ad36db29dad7 Move the euidaccess() declaration to <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 10661
diff changeset
34 -e 's|@''GNULIB_EUIDACCESS''@|$(GNULIB_EUIDACCESS)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
35 -e 's|@''GNULIB_FCHDIR''@|$(GNULIB_FCHDIR)|g' \
10565
6dd4cb5e376f fsync: new module
Richard W.M. Jones <rjones@redhat.com>
parents: 10498
diff changeset
36 -e 's|@''GNULIB_FSYNC''@|$(GNULIB_FSYNC)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
37 -e 's|@''GNULIB_FTRUNCATE''@|$(GNULIB_FTRUNCATE)|g' \
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
38 -e 's|@''GNULIB_GETCWD''@|$(GNULIB_GETCWD)|g' \
10661
65c9436dc0d3 Move the getdomainname() declaration to <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 10610
diff changeset
39 -e 's|@''GNULIB_GETDOMAINNAME''@|$(GNULIB_GETDOMAINNAME)|g' \
10582
738187526552 New module 'getdtablesize'.
Bruno Haible <bruno@clisp.org>
parents: 10565
diff changeset
40 -e 's|@''GNULIB_GETDTABLESIZE''@|$(GNULIB_GETDTABLESIZE)|g' \
10692
b867b19bccb3 Add gethostname() declaration to <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 10666
diff changeset
41 -e 's|@''GNULIB_GETHOSTNAME''@|$(GNULIB_GETHOSTNAME)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
42 -e 's|@''GNULIB_GETLOGIN_R''@|$(GNULIB_GETLOGIN_R)|g' \
9498
a2c450a3023c Move declaration of getpagesize() from getpagesize.h to unistd.h.
Bruno Haible <bruno@clisp.org>
parents: 9276
diff changeset
43 -e 's|@''GNULIB_GETPAGESIZE''@|$(GNULIB_GETPAGESIZE)|g' \
10666
d162e4057aa8 Add getusershell(), setusershell(), endusershell() declarations to <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 10662
diff changeset
44 -e 's|@''GNULIB_GETUSERSHELL''@|$(GNULIB_GETUSERSHELL)|g' \
8982
04a20e8bea33 Revamp lchown so that it lives in unistd.h where it belongs.
Paul Eggert <eggert@cs.ucla.edu>
parents: 8872
diff changeset
45 -e 's|@''GNULIB_LCHOWN''@|$(GNULIB_LCHOWN)|g' \
11041
894d336e6216 New module 'link'.
Martin Lambers <marlam@marlam.de>
parents: 10692
diff changeset
46 -e 's|@''GNULIB_LINK''@|$(GNULIB_LINK)|g' \
8872
dfee3b4fd46c Fix lseek on mingw.
Eric Blake <ebb9@byu.net>
parents: 8825
diff changeset
47 -e 's|@''GNULIB_LSEEK''@|$(GNULIB_LSEEK)|g' \
11942
d1047ae4b8d5 openat: declare in POSIX headers
Eric Blake <ebb9@byu.net>
parents: 11886
diff changeset
48 -e 's|@''GNULIB_OPENAT''@|$(GNULIB_OPENAT)|g' \
11870
ddd29d8cdded New module 'pipe2'.
Bruno Haible <bruno@clisp.org>
parents: 11868
diff changeset
49 -e 's|@''GNULIB_PIPE2''@|$(GNULIB_PIPE2)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
50 -e 's|@''GNULIB_READLINK''@|$(GNULIB_READLINK)|g' \
8786
b7c6961fb530 New module 'sleep'.
Bruno Haible <bruno@clisp.org>
parents: 8199
diff changeset
51 -e 's|@''GNULIB_SLEEP''@|$(GNULIB_SLEEP)|g' \
11810
d2c9dd185002 Ensure that getopt() gets declared by <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 11801
diff changeset
52 -e 's|@''GNULIB_UNISTD_H_GETOPT''@|$(GNULIB_UNISTD_H_GETOPT)|g' \
10484
b763245277c9 New module 'write'.
Bruno Haible <bruno@clisp.org>
parents: 10375
diff changeset
53 -e 's|@''GNULIB_UNISTD_H_SIGPIPE''@|$(GNULIB_UNISTD_H_SIGPIPE)|g' \
b763245277c9 New module 'write'.
Bruno Haible <bruno@clisp.org>
parents: 10375
diff changeset
54 -e 's|@''GNULIB_WRITE''@|$(GNULIB_WRITE)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
55 -e 's|@''HAVE_DUP2''@|$(HAVE_DUP2)|g' \
11886
3ac76948db10 New module 'dup3'.
Bruno Haible <bruno@clisp.org>
parents: 11870
diff changeset
56 -e 's|@''HAVE_DUP3''@|$(HAVE_DUP3)|g' \
10662
ad36db29dad7 Move the euidaccess() declaration to <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 10661
diff changeset
57 -e 's|@''HAVE_EUIDACCESS''@|$(HAVE_EUIDACCESS)|g' \
11942
d1047ae4b8d5 openat: declare in POSIX headers
Eric Blake <ebb9@byu.net>
parents: 11886
diff changeset
58 -e 's|@''HAVE_FCHOWNAT''@|$(HAVE_FCHOWNAT)|g' \
10565
6dd4cb5e376f fsync: new module
Richard W.M. Jones <rjones@redhat.com>
parents: 10498
diff changeset
59 -e 's|@''HAVE_FSYNC''@|$(HAVE_FSYNC)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
60 -e 's|@''HAVE_FTRUNCATE''@|$(HAVE_FTRUNCATE)|g' \
10661
65c9436dc0d3 Move the getdomainname() declaration to <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 10610
diff changeset
61 -e 's|@''HAVE_GETDOMAINNAME''@|$(HAVE_GETDOMAINNAME)|g' \
10582
738187526552 New module 'getdtablesize'.
Bruno Haible <bruno@clisp.org>
parents: 10565
diff changeset
62 -e 's|@''HAVE_GETDTABLESIZE''@|$(HAVE_GETDTABLESIZE)|g' \
10692
b867b19bccb3 Add gethostname() declaration to <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 10666
diff changeset
63 -e 's|@''HAVE_GETHOSTNAME''@|$(HAVE_GETHOSTNAME)|g' \
9498
a2c450a3023c Move declaration of getpagesize() from getpagesize.h to unistd.h.
Bruno Haible <bruno@clisp.org>
parents: 9276
diff changeset
64 -e 's|@''HAVE_GETPAGESIZE''@|$(HAVE_GETPAGESIZE)|g' \
10666
d162e4057aa8 Add getusershell(), setusershell(), endusershell() declarations to <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 10662
diff changeset
65 -e 's|@''HAVE_GETUSERSHELL''@|$(HAVE_GETUSERSHELL)|g' \
11041
894d336e6216 New module 'link'.
Martin Lambers <marlam@marlam.de>
parents: 10692
diff changeset
66 -e 's|@''HAVE_LINK''@|$(HAVE_LINK)|g' \
11870
ddd29d8cdded New module 'pipe2'.
Bruno Haible <bruno@clisp.org>
parents: 11868
diff changeset
67 -e 's|@''HAVE_PIPE2''@|$(HAVE_PIPE2)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
68 -e 's|@''HAVE_READLINK''@|$(HAVE_READLINK)|g' \
8786
b7c6961fb530 New module 'sleep'.
Bruno Haible <bruno@clisp.org>
parents: 8199
diff changeset
69 -e 's|@''HAVE_SLEEP''@|$(HAVE_SLEEP)|g' \
11942
d1047ae4b8d5 openat: declare in POSIX headers
Eric Blake <ebb9@byu.net>
parents: 11886
diff changeset
70 -e 's|@''HAVE_UNLINKAT''@|$(HAVE_UNLINKAT)|g' \
9721
1d443a80afc4 New module 'environ'.
Bruno Haible <bruno@clisp.org>
parents: 9552
diff changeset
71 -e 's|@''HAVE_DECL_ENVIRON''@|$(HAVE_DECL_ENVIRON)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
72 -e 's|@''HAVE_DECL_GETLOGIN_R''@|$(HAVE_DECL_GETLOGIN_R)|g' \
9498
a2c450a3023c Move declaration of getpagesize() from getpagesize.h to unistd.h.
Bruno Haible <bruno@clisp.org>
parents: 9276
diff changeset
73 -e 's|@''HAVE_OS_H''@|$(HAVE_OS_H)|g' \
a2c450a3023c Move declaration of getpagesize() from getpagesize.h to unistd.h.
Bruno Haible <bruno@clisp.org>
parents: 9276
diff changeset
74 -e 's|@''HAVE_SYS_PARAM_H''@|$(HAVE_SYS_PARAM_H)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
75 -e 's|@''REPLACE_CHOWN''@|$(REPLACE_CHOWN)|g' \
10609
5acc60c1ec66 New module 'close'.
Paolo Bonzini <bonzini@gnu.org>
parents: 10582
diff changeset
76 -e 's|@''REPLACE_CLOSE''@|$(REPLACE_CLOSE)|g' \
11726
c694fa3f9d7d dup2: work around mingw and cygwin 1.5 bug
Eric Blake <ebb9@byu.net>
parents: 11041
diff changeset
77 -e 's|@''REPLACE_DUP2''@|$(REPLACE_DUP2)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
78 -e 's|@''REPLACE_FCHDIR''@|$(REPLACE_FCHDIR)|g' \
11942
d1047ae4b8d5 openat: declare in POSIX headers
Eric Blake <ebb9@byu.net>
parents: 11886
diff changeset
79 -e 's|@''REPLACE_FCHOWNAT''@|$(REPLACE_FCHOWNAT)|g' \
8199
51d32a83a7df Move more declarations into <unistd.h>.
Bruno Haible <bruno@clisp.org>
parents: 7865
diff changeset
80 -e 's|@''REPLACE_GETCWD''@|$(REPLACE_GETCWD)|g' \
9552
6632990b0812 Override getpagesize on mingw.
Martin Lambers <marlam@marlam.de>
parents: 9498
diff changeset
81 -e 's|@''REPLACE_GETPAGESIZE''@|$(REPLACE_GETPAGESIZE)|g' \
8982
04a20e8bea33 Revamp lchown so that it lives in unistd.h where it belongs.
Paul Eggert <eggert@cs.ucla.edu>
parents: 8872
diff changeset
82 -e 's|@''REPLACE_LCHOWN''@|$(REPLACE_LCHOWN)|g' \
8872
dfee3b4fd46c Fix lseek on mingw.
Eric Blake <ebb9@byu.net>
parents: 8825
diff changeset
83 -e 's|@''REPLACE_LSEEK''@|$(REPLACE_LSEEK)|g' \
10484
b763245277c9 New module 'write'.
Bruno Haible <bruno@clisp.org>
parents: 10375
diff changeset
84 -e 's|@''REPLACE_WRITE''@|$(REPLACE_WRITE)|g' \
10610
9202c6340cce Combine the two replacements of 'close'.
Paolo Bonzini <bonzini@gnu.org>
parents: 10609
diff changeset
85 -e 's|@''UNISTD_H_HAVE_WINSOCK2_H''@|$(UNISTD_H_HAVE_WINSOCK2_H)|g' \
11801
a29d6bab4448 Make it possible to use module 'gethostname' without module 'close' or 'ioctl'.
Bruno Haible <bruno@clisp.org>
parents: 11726
diff changeset
86 -e 's|@''UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS''@|$(UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS)|g' \
10498
8bc209f25988 Provide the definition of GL_LINK-WARNING.
Bruno Haible <bruno@clisp.org>
parents: 10484
diff changeset
87 -e '/definition of GL_LINK_WARNING/r $(LINK_WARNING_H)' \
9276
811a59a761ec Perform one more "_.h" -> ".in.h" substitution.
Jim Meyering <jim@meyering.net>
parents: 9271
diff changeset
88 < $(srcdir)/unistd.in.h; \
11868
67c2b22aff08 annotate automake snippets with $(AM_V_GEN) and $(AM_V_at)
Jim Meyering <meyering@redhat.com>
parents: 11832
diff changeset
89 } > $@-t && \
7863
cb2590895141 New module 'fchdir'.
Bruno Haible <bruno@clisp.org>
parents: 7421
diff changeset
90 mv $@-t $@
cb2590895141 New module 'fchdir'.
Bruno Haible <bruno@clisp.org>
parents: 7421
diff changeset
91 MOSTLYCLEANFILES += unistd.h unistd.h-t
6685
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
Simon Josefsson <simon@josefsson.org>
parents:
diff changeset
92
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
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parents:
diff changeset
93 Include:
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
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parents:
diff changeset
94 #include <unistd.h>
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
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parents:
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95
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
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parents:
diff changeset
96 License:
9102
404dc8725caf Use the synonymous term LGPLv2.
Bruno Haible <bruno@clisp.org>
parents: 8995
diff changeset
97 LGPLv2+
6685
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
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parents:
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98
143f906c9a6a Fix use of unistd.h in getopt through a new unistd module.
Simon Josefsson <simon@josefsson.org>
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99 Maintainer:
8995
1025663f7658 * m4/include_next.m4 (gl_INCLUDE_NEXT): Define and AC_SUBST
Paul Eggert <eggert@cs.ucla.edu>
parents: 8982
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100 all