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Jim, what do you think of this patch, making it possible to avoid
including "openat.h" if you only use the POSIX 2008 interfaces?
- --
Don't work too hard, make some time for fun as well!
Eric Blake e...@byu.net
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>From 601bb4476b3e9b8722f79fa05daacb34ae9f6430 Mon Sep 17 00:00:00 2001
From: Eric Blake <e...@byu.net>
Date: Wed, 2 Sep 2009 17:14:26 -0600
Subject: [PATCH] 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.
Signed-off-by: Eric Blake <e...@byu.net>
---
ChangeLog | 30 +++++++++++++++++++++++++
NEWS | 10 +++++++-
doc/posix-headers/fcntl.texi | 11 ++++++++-
lib/fcntl--.h | 1 -
lib/fcntl.in.h | 44 +++++++++++++++++++++++++++++++++++++
lib/openat-safer.c | 1 -
lib/openat.h | 45 +-------------------------------------
lib/sys_stat.in.h | 35 ++++++++++++++++++++++++++++++
lib/unistd.in.h | 25 +++++++++++++++++++++
m4/fcntl_h.m4 | 2 +
m4/openat.m4 | 49 ++++++++++++++++++++++++++++-------------
m4/sys_stat_h.m4 | 5 +--
m4/unistd_h.m4 | 3 +-
modules/fcntl-h | 5 ++++
modules/openat | 7 ++++++
modules/sys_stat | 8 ++++++-
modules/unistd | 5 ++++
17 files changed, 217 insertions(+), 69 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 4eeb067..1a8aca6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,33 @@
+2009-09-03 Eric Blake <e...@byu.net>
+
+ 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.
+
2009-09-02 Eric Blake <e...@byu.net>
errno: use consistently
diff --git a/NEWS b/NEWS
index 6a364a5..4cd0278 100644
--- a/NEWS
+++ b/NEWS
@@ -6,7 +6,15 @@ User visible incompatible changes
Date Modules Changes
-2009-09-30 striconveh The functions mem_cd_iconveh and str_cd_iconveh
+2009-09-03 openat The include files are standardized to POSIX 2008.
+ For openat, include <fcntl.h>; for
+ fchmodat, fstatat, and mkdirat, include
+ <sys/stat.h>; for fchownat and unlinkat,
+ include <unistd.h>. For all other
+ functions provided by this module,
+ continue to include "openat.h".
+
+2009-08-30 striconveh The functions mem_cd_iconveh and str_cd_iconveh
now take an 'iconveh_t *' argument instead of three
iconv_t arguments.
diff --git a/doc/posix-headers/fcntl.texi b/doc/posix-headers/fcntl.texi
index 6e770a3..020586c 100644
--- a/doc/posix-headers/fcntl.texi
+++ b/doc/posix-headers/fcntl.texi
@@ -27,7 +27,13 @@ fcntl.h
mingw
@item
-...@samp{at_fdcwd} and friends are provided by modules like openat.
+...@samp{at_fdcwd} is defined with a value too large for an int on some
+platforms:
+Solaris 10
+
+...@item
+...@samp{at_fdcwd}, @samp{AT_SYMLINK_NOFOLLOW}, and @samp{AT_REMOVEDIR}
+are missing on some platforms.
@end itemize
Portability problems not fixed by Gnulib:
@@ -55,4 +61,7 @@ fcntl.h
@samp{POSIX_FADV_NORMAL}, @samp{POSIX_FADV_RANDOM},
@samp{POSIX_FADV_SEQUENTIAL}, and @samp{POSIX_FADV_WILLNEED} are not
defined on some platforms.
+
+...@item
+...@samp{at_eaccess} and @samp{AT_SYMLINK_FOLLOW} are missing on some
platforms.
@end itemize
diff --git a/lib/fcntl--.h b/lib/fcntl--.h
index 9e311ce..588b69a 100644
--- a/lib/fcntl--.h
+++ b/lib/fcntl--.h
@@ -27,7 +27,6 @@
#define creat creat_safer
#if GNULIB_OPENAT_SAFER
-# include "openat.h" /* FIXME - <fcntl.h> should be sufficient. */
# undef openat
# define openat openat_safer
#endif
diff --git a/lib/fcntl.in.h b/lib/fcntl.in.h
index 5c63afd..6c88b47 100644
--- a/lib/fcntl.in.h
+++ b/lib/fcntl.in.h
@@ -44,6 +44,9 @@
#define _GL_FCNTL_H
+/* The definition of GL_LINK_WARNING is copied here. */
+
+
/* Declare overridden functions. */
#ifdef __cplusplus
@@ -58,6 +61,20 @@ extern int open (const char *filename, int flags, ...);
# endif
#endif
+#if @GNULIB_OPENAT@
+# if !...@have_openat@
+# undef openat
+# define openat rpl_openat
+int openat (int fd, char const *file, int flags, /* mode_t mode */ ...);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef openat
+# define openat(f,u,g) \
+ (GL_LINK_WARNING ("openat is not portable - " \
+ "use gnulib module openat for portability"), \
+ openat)
+#endif
+
#ifdef __cplusplus
}
#endif
@@ -148,6 +165,33 @@ extern int open (const char *filename, int flags, ...);
# define O_TEXT 0
#endif
+/* Fix up the AT_* macros. */
+
+/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its
+ value exceeds INT_MAX, so its use as an int doesn't conform to the
+ C standard, and GCC and Sun C complain in some cases. If the bug
+ is present, undef AT_FDCWD here, so it can be redefined below. */
+#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553
+# undef AT_FDCWD
+#endif
+
+/* Use the same bit pattern as Solaris 9, but with the proper
+ signedness. The bit pattern is important, in case this actually is
+ Solaris with the above workaround. */
+#ifndef AT_FDCWD
+# define AT_FDCWD (-3041965)
+#endif
+
+/* Use the same values as Solaris 9. This shouldn't matter, but
+ there's no real reason to differ. */
+#ifndef AT_SYMLINK_NOFOLLOW
+# define AT_SYMLINK_NOFOLLOW 4096
+#endif
+
+#ifndef AT_REMOVEDIR
+# define AT_REMOVEDIR 1
+#endif
+
#endif /* _GL_FCNTL_H */
#endif /* _GL_FCNTL_H */
diff --git a/lib/openat-safer.c b/lib/openat-safer.c
index f6977fd..58d9a5e 100644
--- a/lib/openat-safer.c
+++ b/lib/openat-safer.c
@@ -22,7 +22,6 @@
#include "fcntl-safer.h"
#include <fcntl.h>
-#include "openat.h" /* FIXME - <fcntl.h> should be sufficient. */
#include <stdarg.h>
#include "unistd-safer.h"
diff --git a/lib/openat.h b/lib/openat.h
index df52691..1d8596f 100644
--- a/lib/openat.h
+++ b/lib/openat.h
@@ -37,42 +37,10 @@
# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
#endif
-/* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its
- value exceeds INT_MAX, so its use as an int doesn't conform to the
- C standard, and GCC and Sun C complain in some cases. If the bug
- is present, undef AT_FDCWD here, so it can be redefined below. */
-#if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553
-# undef AT_FDCWD
-#endif
-
-/* Use the same bit pattern as Solaris 9, but with the proper
- signedness. The bit pattern is important, in case this actually is
- Solaris with the above workaround. */
-#ifndef AT_FDCWD
-# define AT_FDCWD (-3041965)
-#endif
-
-/* Use the same values as Solaris 9. This shouldn't matter, but
- there's no real reason to differ. */
-#ifndef AT_SYMLINK_NOFOLLOW
-# define AT_SYMLINK_NOFOLLOW 4096
-# define AT_REMOVEDIR 1
-#endif
+#if !HAVE_OPENAT
-#ifdef __OPENAT_PREFIX
-
-# undef openat
-# define __OPENAT_CONCAT(x, y) x ## y
-# define __OPENAT_XCONCAT(x, y) __OPENAT_CONCAT (x, y)
-# define __OPENAT_ID(y) __OPENAT_XCONCAT (__OPENAT_PREFIX, y)
-# define openat __OPENAT_ID (openat)
-int openat (int fd, char const *file, int flags, /* mode_t mode */ ...);
int openat_permissive (int fd, char const *file, int flags, mode_t mode,
int *cwd_errno);
-# define fstatat __OPENAT_ID (fstatat)
-int fstatat (int fd, char const *file, struct stat *st, int flag);
-# define unlinkat __OPENAT_ID (unlinkat)
-int unlinkat (int fd, char const *file, int flag);
bool openat_needs_fchdir (void);
#else
@@ -83,19 +51,8 @@ bool openat_needs_fchdir (void);
#endif
-#if HAVE_OPENAT && ! LSTAT_FOLLOWS_SLASHED_SYMLINK
-int rpl_fstatat (int fd, char const *file, struct stat *st, int flag);
-# if !COMPILING_FSTATAT
-# undef fstatat
-# define fstatat rpl_fstatat
-# endif
-#endif
-
-int mkdirat (int fd, char const *file, mode_t mode);
void openat_restore_fail (int) ATTRIBUTE_NORETURN;
void openat_save_fail (int) ATTRIBUTE_NORETURN;
-int fchmodat (int fd, char const *file, mode_t mode, int flag);
-int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag);
/* Using these function names makes application code
slightly more readable than it would be with
diff --git a/lib/sys_stat.in.h b/lib/sys_stat.in.h
index b034168..2d89beb 100644
--- a/lib/sys_stat.in.h
+++ b/lib/sys_stat.in.h
@@ -302,6 +302,41 @@ extern int rpl_lstat (const char *name, struct stat *buf);
lstat (p, b))
#endif
+#if @GNULIB_OPENAT@
+# if @REPLACE_FSTATAT@
+# undef fstatat
+# define fstatat rpl_fstatat
+# endif
+# if !...@have_fstatat@ || @REPLACE_FSTATAT@
+int fstatat (int fd, char const *name, struct stat *st, int flags);
+# endif
+
+# if !...@have_fchmodat@
+int fchmodat (int fd, char const *file, mode_t mode, int flag);
+# endif
+
+# if !...@have_mkdirat@
+int mkdirat (int fd, char const *file, mode_t mode);
+#endif
+
+#elif defined GNULIB_POSIXCHECK
+# undef fchmodat
+# define fchmodat(d,n,m,f) \
+ (GL_LINK_WARNING ("fchmodat is not portable - " \
+ "use gnulib module openat for portability"), \
+ fchmodat (d, n, m, f))
+# undef fstatat
+# define fstatat(d,n,s,f) \
+ (GL_LINK_WARNING ("fstatat is not portable - " \
+ "use gnulib module openat for portability"), \
+ fstatat (d, n, s, f))
+# undef mkdirat
+# define mkdirat(d,n,m) \
+ (GL_LINK_WARNING ("mkdirat is not portable - " \
+ "use gnulib module openat for portability"), \
+ mkdirat (d, n, m))
+#endif /* @GNULIB_OPENAT@ */
+
#if @REPLACE_FCHDIR@
# define fstat rpl_fstat
extern int fstat (int fd, struct stat *buf);
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index fe645b7..e6db70b 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -138,6 +138,31 @@ extern int chown (const char *file, uid_t uid, gid_t gid);
#endif
+#if @GNULIB_OPENAT@
+# if @REPLACE_FCHOWNAT@
+# undef fchownat
+# define fchownat rpl_fchownat
+# endif
+# if !...@have_fchownat@ || @REPLACE_FCHOWNAT@
+int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag);
+# endif
+# if !...@have_unlinkat@
+int unlinkat (int fd, char const *file, int flag);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fchownat
+# define fchownat(d,n,o,g,f) \
+ (GL_LINK_WARNING ("fchownat is not portable - " \
+ "use gnulib module openat for portability"), \
+ fchownat (d, n, o, g, f))
+# undef unlinkat
+# define unlinkat(d,n,f) \
+ (GL_LINK_WARNING ("unlinkat is not portable - " \
+ "use gnulib module openat for portability"), \
+ unlinkat (d, n, f))
+#endif /* @GNULIB_OPENAT@ */
+
+
#if @GNULIB_CLOSE@
# if @REPLACE_CLOSE@
/* Automatically included by modules that need a replacement for close. */
diff --git a/m4/fcntl_h.m4 b/m4/fcntl_h.m4
index 1ae0b15..fdea01f 100644
--- a/m4/fcntl_h.m4
+++ b/m4/fcntl_h.m4
@@ -1,3 +1,4 @@
+# serial 2
# Configure fcntl.h.
dnl Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
@@ -90,6 +91,7 @@ AC_DEFUN([gl_FCNTL_MODULE_INDICATOR],
AC_DEFUN([gl_FCNTL_H_DEFAULTS],
[
+ AC_REQUIRE([gl_OPENAT_DEFAULTS]) dnl for GNULIB_OPENAT
GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN])
dnl Assume proper GNU behavior unless another module says otherwise.
REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN])
diff --git a/m4/openat.m4 b/m4/openat.m4
index c8403a1..51f38d0 100644
--- a/m4/openat.m4
+++ b/m4/openat.m4
@@ -1,4 +1,4 @@
-# serial 19
+# serial 20
# See if we need to use our replacement for Solaris' openat et al functions.
dnl Copyright (C) 2004-2009 Free Software Foundation, Inc.
@@ -17,13 +17,24 @@ AC_DEFUN([gl_FUNC_OPENAT],
AC_REQUIRE([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
case $ac_cv_func_openat+$ac_cv_func_lstat_dereferences_slashed_symlink in
yes+yes) ;;
- yes+*) AC_LIBOBJ([fstatat]);;
+ yes+*)
+ AC_LIBOBJ([fstatat])
+ REPLACE_FSTATAT=1
+ ;;
*)
- AC_DEFINE([__OPENAT_PREFIX], [[rpl_]],
- [Define to rpl_ if the openat replacement function should be used.])
+ HAVE_OPENAT=0
+ HAVE_UNLINKAT=0 # No known system with unlinkat but not openat
+ HAVE_FSTATAT=0 # No known system with fstatat but not openat
gl_PREREQ_OPENAT;;
esac
+ if test $ac_cv_func_fchmodat != yes; then
+ HAVE_FCHMODAT=0
+ fi
+ if test $ac_cv_func_mkdirat != yes; then
+ HAVE_MKDIRAT=0
+ fi
gl_FUNC_FCHOWNAT
+ GNULIB_OPENAT=1
])
# gl_FUNC_FCHOWNAT_DEREF_BUG([ACTION-IF-BUGGY[, ACTION-IF-NOT_BUGGY]])
@@ -68,19 +79,11 @@ main ()
# Also use the replacement function if fchownat is simply not available.
AC_DEFUN([gl_FUNC_FCHOWNAT],
[
- # Assume we'll use the replacement function.
- # The only case in which we won't is when we have fchownat, and it works.
- use_replacement_fchownat=yes
-
- AC_CHECK_FUNC([fchownat], [have_fchownat=yes], [have_fchownat=no])
- if test $have_fchownat = yes; then
- gl_FUNC_FCHOWNAT_DEREF_BUG([], [use_replacement_fchownat=no])
- fi
-
- if test $use_replacement_fchownat = yes; then
+ AC_CHECK_FUNC([fchownat],
+ [gl_FUNC_FCHOWNAT_DEREF_BUG([REPLACE_FCHOWNAT=1])],
+ [HAVE_FCHOWNAT=0])
+ if test $HAVE_FCHOWNAT = 0 || test $REPLACE_FCHOWNAT = 1; then
AC_LIBOBJ([fchownat])
- AC_DEFINE([fchownat], [rpl_fchownat],
- [Define to rpl_fchownat if the replacement function should be used.])
fi
])
@@ -89,3 +92,17 @@ AC_DEFUN([gl_PREREQ_OPENAT],
AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T])
:
])
+
+AC_DEFUN([gl_OPENAT_DEFAULTS],
+[
+ GNULIB_OPENAT=0; AC_SUBST([GNULIB_OPENAT])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_FCHMODAT=1; AC_SUBST([HAVE_FCHMODAT])
+ HAVE_FCHOWNAT=1; AC_SUBST([HAVE_FCHOWNAT])
+ HAVE_FSTATAT=1; AC_SUBST([HAVE_FSTATAT])
+ HAVE_MKDIRAT=1; AC_SUBST([HAVE_MKDIRAT])
+ HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT])
+ HAVE_UNLINKAT=1; AC_SUBST([HAVE_UNLINKAT])
+ REPLACE_FCHOWNAT=0; AC_SUBST([REPLACE_FCHOWNAT])
+ REPLACE_FSTATAT=0; AC_SUBST([REPLACE_FSTATAT])
+])
diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4
index 5113e55..634a33f 100644
--- a/m4/sys_stat_h.m4
+++ b/m4/sys_stat_h.m4
@@ -1,4 +1,4 @@
-# sys_stat_h.m4 serial 11 -*- Autoconf -*-
+# sys_stat_h.m4 serial 12 -*- Autoconf -*-
dnl Copyright (C) 2006-2009 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -28,8 +28,6 @@ AC_DEFUN([gl_HEADER_SYS_STAT_H],
AC_REQUIRE([AC_HEADER_STAT])
gl_CHECK_NEXT_HEADERS([sys/stat.h])
- SYS_STAT_H='sys/stat.h'
- AC_SUBST([SYS_STAT_H])
dnl Define types that are supposed to be defined in <sys/types.h> or
dnl <sys/stat.h>.
@@ -51,6 +49,7 @@ AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR],
AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],
[
AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
+ AC_REQUIRE([gl_OPENAT_DEFAULTS]) dnl for GNULIB_OPENAT
GNULIB_LCHMOD=0; AC_SUBST([GNULIB_LCHMOD])
GNULIB_LSTAT=0; AC_SUBST([GNULIB_LSTAT])
dnl Assume proper GNU behavior unless another module says otherwise.
diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4
index 53fc330..c8e93da 100644
--- a/m4/unistd_h.m4
+++ b/m4/unistd_h.m4
@@ -1,4 +1,4 @@
-# unistd_h.m4 serial 21
+# unistd_h.m4 serial 22
dnl Copyright (C) 2006-2009 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -32,6 +32,7 @@ AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
AC_DEFUN([gl_UNISTD_H_DEFAULTS],
[
+ AC_REQUIRE([gl_OPENAT_DEFAULTS]) dnl for GNULIB_OPENAT
GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN])
GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE])
GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2])
diff --git a/modules/fcntl-h b/modules/fcntl-h
index 8e2af03..d86f572 100644
--- a/modules/fcntl-h
+++ b/modules/fcntl-h
@@ -4,9 +4,11 @@ Like <fcntl.h>, but with non-working flags defined to 0.
Files:
lib/fcntl.in.h
m4/fcntl_h.m4
+m4/openat.m4
Depends-on:
include_next
+link-warning
unistd
extensions
@@ -25,7 +27,10 @@ fcntl.h: fcntl.in.h
-e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
-e 's|@''NEXT_FCNTL_H''@|$(NEXT_FCNTL_H)|g' \
-e 's|@''GNULIB_OPEN''@|$(GNULIB_OPEN)|g' \
+ -e 's|@''GNULIB_OPENAT''@|$(GNULIB_OPENAT)|g' \
-e 's|@''REPLACE_OPEN''@|$(REPLACE_OPEN)|g' \
+ -e 's|@''HAVE_OPENAT''@|$(HAVE_OPENAT)|g' \
+ -e '/definition of GL_LINK_WARNING/r $(LINK_WARNING_H)' \
< $(srcdir)/fcntl.in.h; \
} > $...@-t && \
mv $...@-t $@
diff --git a/modules/openat b/modules/openat
index 3ea5b4d..e1dda71 100644
--- a/modules/openat
+++ b/modules/openat
@@ -19,6 +19,7 @@ dirname
errno
extensions
fchdir
+fcntl-h
fdopendir
gettext-h
intprops
@@ -29,13 +30,19 @@ rmdir
same-inode
save-cwd
stdbool
+sys_stat
+unistd
configure.ac:
gl_FUNC_OPENAT
+gl_MODULE_INDICATOR([openat])
Makefile.am:
Include:
+<fcntl.h>
+<sys/stat.h>
+<unistd.h>
"openat.h"
License:
diff --git a/modules/sys_stat b/modules/sys_stat
index 40f1c18..bad77be 100644
--- a/modules/sys_stat
+++ b/modules/sys_stat
@@ -4,6 +4,7 @@ A <sys/stat.h> for systems with missing declarations.
Files:
lib/sys_stat.in.h
m4/sys_stat_h.m4
+m4/openat.m4
m4/unistd_h.m4
Depends-on:
@@ -15,7 +16,7 @@ gl_HEADER_SYS_STAT_H
AC_PROG_MKDIR_P
Makefile.am:
-BUILT_SOURCES += $(SYS_STAT_H)
+BUILT_SOURCES += sys/stat.h
# We need the following in order to create <sys/stat.h> when the system
# has one that is incomplete.
@@ -28,11 +29,16 @@ sys/stat.h: sys_stat.in.h
-e 's|@''NEXT_SYS_STAT_H''@|$(NEXT_SYS_STAT_H)|g' \
-e 's|@''GNULIB_LCHMOD''@|$(GNULIB_LCHMOD)|g' \
-e 's|@''GNULIB_LSTAT''@|$(GNULIB_LSTAT)|g' \
+ -e 's|@''GNULIB_OPENAT''@|$(GNULIB_OPENAT)|g' \
+ -e 's|@''HAVE_FCHMODAT''@|$(HAVE_FCHMODAT)|g' \
+ -e 's|@''HAVE_FSTATAT''@|$(HAVE_FSTATAT)|g' \
-e 's|@''HAVE_LCHMOD''@|$(HAVE_LCHMOD)|g' \
-e 's|@''HAVE_LSTAT''@|$(HAVE_LSTAT)|g' \
+ -e 's|@''HAVE_MKDIRAT''@|$(HAVE_MKDIRAT)|g' \
-e 's|@''REPLACE_LSTAT''@|$(REPLACE_LSTAT)|g' \
-e 's|@''REPLACE_MKDIR''@|$(REPLACE_MKDIR)|g' \
-e 's|@''REPLACE_FCHDIR''@|$(REPLACE_FCHDIR)|g' \
+ -e 's|@''REPLACE_FSTATAT''@|$(REPLACE_FSTATAT)|g' \
-e '/definition of GL_LINK_WARNING/r $(LINK_WARNING_H)' \
< $(srcdir)/sys_stat.in.h; \
} > $...@-t && \
diff --git a/modules/unistd b/modules/unistd
index 66fc1a3..4c5add7 100644
--- a/modules/unistd
+++ b/modules/unistd
@@ -4,6 +4,7 @@ A GNU-like <unistd.h>.
Files:
m4/unistd_h.m4
lib/unistd.in.h
+m4/openat.m4
Depends-on:
include_next
@@ -44,6 +45,7 @@ unistd.h: unistd.in.h
-e 's|@''GNULIB_LCHOWN''@|$(GNULIB_LCHOWN)|g' \
-e 's|@''GNULIB_LINK''@|$(GNULIB_LINK)|g' \
-e 's|@''GNULIB_LSEEK''@|$(GNULIB_LSEEK)|g' \
+ -e 's|@''GNULIB_OPENAT''@|$(GNULIB_OPENAT)|g' \
-e 's|@''GNULIB_PIPE2''@|$(GNULIB_PIPE2)|g' \
-e 's|@''GNULIB_READLINK''@|$(GNULIB_READLINK)|g' \
-e 's|@''GNULIB_SLEEP''@|$(GNULIB_SLEEP)|g' \
@@ -53,6 +55,7 @@ unistd.h: unistd.in.h
-e 's|@''HAVE_DUP2''@|$(HAVE_DUP2)|g' \
-e 's|@''HAVE_DUP3''@|$(HAVE_DUP3)|g' \
-e 's|@''HAVE_EUIDACCESS''@|$(HAVE_EUIDACCESS)|g' \
+ -e 's|@''HAVE_FCHOWNAT''@|$(HAVE_FCHOWNAT)|g' \
-e 's|@''HAVE_FSYNC''@|$(HAVE_FSYNC)|g' \
-e 's|@''HAVE_FTRUNCATE''@|$(HAVE_FTRUNCATE)|g' \
-e 's|@''HAVE_GETDOMAINNAME''@|$(HAVE_GETDOMAINNAME)|g' \
@@ -64,6 +67,7 @@ unistd.h: unistd.in.h
-e 's|@''HAVE_PIPE2''@|$(HAVE_PIPE2)|g' \
-e 's|@''HAVE_READLINK''@|$(HAVE_READLINK)|g' \
-e 's|@''HAVE_SLEEP''@|$(HAVE_SLEEP)|g' \
+ -e 's|@''HAVE_UNLINKAT''@|$(HAVE_UNLINKAT)|g' \
-e 's|@''HAVE_DECL_ENVIRON''@|$(HAVE_DECL_ENVIRON)|g' \
-e 's|@''HAVE_DECL_GETLOGIN_R''@|$(HAVE_DECL_GETLOGIN_R)|g' \
-e 's|@''HAVE_OS_H''@|$(HAVE_OS_H)|g' \
@@ -72,6 +76,7 @@ unistd.h: unistd.in.h
-e 's|@''REPLACE_CLOSE''@|$(REPLACE_CLOSE)|g' \
-e 's|@''REPLACE_DUP2''@|$(REPLACE_DUP2)|g' \
-e 's|@''REPLACE_FCHDIR''@|$(REPLACE_FCHDIR)|g' \
+ -e 's|@''REPLACE_FCHOWNAT''@|$(REPLACE_FCHOWNAT)|g' \
-e 's|@''REPLACE_GETCWD''@|$(REPLACE_GETCWD)|g' \
-e 's|@''REPLACE_GETPAGESIZE''@|$(REPLACE_GETPAGESIZE)|g' \
-e 's|@''REPLACE_LCHOWN''@|$(REPLACE_LCHOWN)|g' \
--
1.6.3.3.334.g916e1
