New module 'fstatat', split off from module 'openat'.

* lib/openat.h (statat, lstatat): Enable only if GNULIB_FSTATAT is
defined.
* m4/fstatat.m4: New file. extracted from m4/openat.m4.
* m4/openat.m4 (gl_FUNC_OPENAT): Don't set GNULIB_FSTATAT. Don't invoke
gl_FUNC_FSTATAT.
(gl_FUNC_FSTATAT): Moved to m4/fstatat.m4.
* modules/fstatat: New file, extracted from modules/openat.
* modules/openat (Files): Remove lib/fstatat.c.
(Depends-on): Remove lstat.
(configure.ac): Remove AC_LIBOBJ of fstatat.
* modules/fstatat-tests: New file, extracted from modules/openat-tests.
* modules/openat-tests (Files): Remove tests/test-fstatat.c,
tests/test-lstat.h, tests/test-stat.h.
(Depends-on): Remove getcwd-lgpl.
(Makefile.am): Remove rules for test-fstatat.
* doc/posix-functions/fstatat.texi: Mention module 'fstatat' instead
of module 'openat'.
* NEWS: Mention the change.
* modules/getcwd (Depends-on): Add fstatat.
* modules/linkat (Depends-on): Likewise.
* modules/mkfifoat-tests (Depends-on): Likewise.
* modules/utimensat (Depends-on): Add fstatat. Remove openat.

8 files changed, 70 insertions, 13 deletions

diff --git a/modules/fstatat b/modules/fstatat
new file mode 100644
index 0000000000..77e7a9b931
--- /dev/null
+++ b/modules/fstatat
@@ -0,0 +1,45 @@
+Description:
+fstatat() function: Return information about a file at a directory.
+
+Files:
+lib/fstatat.c
+lib/at-func.c
+lib/openat.h
+lib/openat-priv.h
+m4/fstatat.m4
+
+Depends-on:
+dirent
+dosname
+errno
+extensions
+fchdir
+fcntl-h
+fstat
+lstat
+openat
+openat-die
+save-cwd
+stdbool
+sys_stat
+unistd
+
+configure.ac:
+gl_FUNC_FSTATAT
+if test $HAVE_FSTATAT = 0 || test $REPLACE_FSTATAT = 1; then
+  AC_LIBOBJ([fstatat])
+fi
+AC_REQUIRE([AC_C_INLINE]) dnl because 'inline' is used in lib/openat.h
+gl_MODULE_INDICATOR([fstatat]) dnl for lib/openat.h
+gl_SYS_STAT_MODULE_INDICATOR([fstatat])
+
+Makefile.am:
+
+Include:
+<sys/stat.h>
+
+License:
+GPL
+
+Maintainer:
+Jim Meyering, Eric Blake
diff --git a/modules/fstatat-tests b/modules/fstatat-tests
new file mode 100644
index 0000000000..f33ff11f0d
--- /dev/null
+++ b/modules/fstatat-tests
@@ -0,0 +1,19 @@
+Files:
+tests/test-fstatat.c
+tests/test-lstat.h
+tests/test-stat.h
+tests/signature.h
+tests/macros.h
+
+Depends-on:
+getcwd-lgpl
+ignore-value
+progname
+symlink
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-fstatat
+check_PROGRAMS += test-fstatat
+test_fstatat_LDADD = $(LDADD) @LIBINTL@
diff --git a/modules/getcwd b/modules/getcwd
index aa3fe69a86..3bd2ba783e 100644
--- a/modules/getcwd
+++ b/modules/getcwd
@@ -17,6 +17,7 @@ d-ino           [test $REPLACE_GETCWD = 1]
 memmove         [test $REPLACE_GETCWD = 1]
 openat          [test $REPLACE_GETCWD = 1]
 fstat           [test $REPLACE_GETCWD = 1]
+fstatat         [test $REPLACE_GETCWD = 1]
 opendir         [test $REPLACE_GETCWD = 1]
 closedir        [test $REPLACE_GETCWD = 1]
 stdbool         [test $REPLACE_GETCWD = 1]
diff --git a/modules/linkat b/modules/linkat
index 77f08d01b4..3902e35f9e 100644
--- a/modules/linkat
+++ b/modules/linkat
@@ -17,6 +17,7 @@ errno            [test $HAVE_LINKAT = 0 || test $REPLACE_LINKAT = 1]
 fcntl-h          [test $HAVE_LINKAT = 0 || test $REPLACE_LINKAT = 1]
 filenamecat-lgpl [test $HAVE_LINKAT = 0 || test $REPLACE_LINKAT = 1]
 fstat            [test $HAVE_LINKAT = 0 || test $REPLACE_LINKAT = 1]
+fstatat          [test $HAVE_LINKAT = 0 || test $REPLACE_LINKAT = 1]
 getcwd-lgpl      [test $HAVE_LINKAT = 0 || test $REPLACE_LINKAT = 1]
 openat           [test $HAVE_LINKAT = 0 || test $REPLACE_LINKAT = 1]
 link             [test $HAVE_LINKAT = 0 || test $REPLACE_LINKAT = 1]
diff --git a/modules/mkfifoat-tests b/modules/mkfifoat-tests
index b50bbf5767..4c0e23fff2 100644
--- a/modules/mkfifoat-tests
+++ b/modules/mkfifoat-tests
@@ -5,6 +5,7 @@ tests/signature.h
 tests/macros.h
 
 Depends-on:
+fstatat
 ignore-value
 symlink
 unlinkat
diff --git a/modules/openat b/modules/openat
index 167fa92147..503c12135e 100644
--- a/modules/openat
+++ b/modules/openat
@@ -3,7 +3,6 @@ Open a file at a directory.
 
 Files:
 lib/at-func.c
-lib/fstatat.c
 lib/mkdirat.c
 lib/openat.c
 lib/openat.h
@@ -23,7 +22,6 @@ fstat
 gettext-h
 intprops
 largefile
-lstat
 mkdir           [test $HAVE_MKDIRAT = 0]
 open
 openat-die
@@ -35,9 +33,6 @@ unistd
 configure.ac:
 gl_FUNC_OPENAT
 AC_LIBOBJ([openat-proc])
-if test $ac_cv_func_fstatat = no || test $REPLACE_FSTATAT = 1; then
-  AC_LIBOBJ([fstatat])
-fi
 if test $HAVE_MKDIRAT = 0; then
   AC_LIBOBJ([mkdirat])
 fi
diff --git a/modules/openat-tests b/modules/openat-tests
index bdefca3f83..cb38d2e114 100644
--- a/modules/openat-tests
+++ b/modules/openat-tests
@@ -1,15 +1,11 @@
 Files:
-tests/test-lstat.h
 tests/test-mkdir.h
-tests/test-stat.h
-tests/test-fstatat.c
 tests/test-mkdirat.c
 tests/test-openat.c
 tests/signature.h
 tests/macros.h
 
 Depends-on:
-getcwd-lgpl
 ignore-value
 progname
 symlink
@@ -18,9 +14,8 @@ configure.ac:
 
 Makefile.am:
 TESTS += \
-  test-fstatat test-mkdirat test-openat
+  test-mkdirat test-openat
 check_PROGRAMS += \
-  test-fstatat test-mkdirat test-openat
-test_fstatat_LDADD = $(LDADD) @LIBINTL@
+  test-mkdirat test-openat
 test_mkdirat_LDADD = $(LDADD) @LIBINTL@
 test_openat_LDADD = $(LDADD) @LIBINTL@
diff --git a/modules/utimensat b/modules/utimensat
index a70ca8cbb2..9f3ec7efcf 100644
--- a/modules/utimensat
+++ b/modules/utimensat
@@ -8,7 +8,7 @@ m4/utimensat.m4
 Depends-on:
 sys_stat
 extensions
-openat          [test $HAVE_UTIMENSAT = 0 || test $REPLACE_UTIMENSAT = 1]
+fstatat         [test $HAVE_UTIMENSAT = 0 || test $REPLACE_UTIMENSAT = 1]
 utimens         [test $HAVE_UTIMENSAT = 0 || test $REPLACE_UTIMENSAT = 1]
 
 configure.ac: