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authorBruno Haible <bruno@clisp.org>2007-03-27 11:01:11 +0000
committerBruno Haible <bruno@clisp.org>2007-03-27 11:01:11 +0000
commit735c00a2f3a5ce7aaec8517f5438ce37b48a936c (patch)
tree41cc9b8d0367ee93915f67063e82eb6d3769b010 /m4
parent6997174ab598e752b1a66d9928aaae871c1700db (diff)
downloadgnulib-735c00a2f3a5ce7aaec8517f5438ce37b48a936c.tar.gz
2007-03-27 Bruno Haible <bruno@clisp.org>
* lib/stat-time.h: Include <sys/stat.h>. 2007-03-27 James Youngman <jay@gnu.org> * lib/stat-time.h (get_stat_birthtime): New function for retrieving st_birthtime as provided by UFS2 (hence *BSD). * m4/stat-time.m4 (gl_STAT_BIRTHTIME): Probe for st_birthtime and its variants. * modules/stat-time (configure.ac): call gl_STAT_BIRTHTIME. * modules/stat-time-test: New file. * tests/test-stat-time.c: New test, devised by Bruno Haible.
Diffstat (limited to 'm4')
-rw-r--r--m4/stat-time.m429
1 files changed, 27 insertions, 2 deletions
diff --git a/m4/stat-time.m4 b/m4/stat-time.m4
index 353de213f9..6b98dd73cc 100644
--- a/m4/stat-time.m4
+++ b/m4/stat-time.m4
@@ -10,11 +10,13 @@
dnl From Paul Eggert.
# st_atim.tv_nsec - Linux, Solaris
-# st_atimespec.tv_nsec - FreeBSD, if ! defined _POSIX_SOURCE
-# st_atimensec - FreeBSD, if defined _POSIX_SOURCE
+# st_atimespec.tv_nsec - FreeBSD, NetBSD, if ! defined _POSIX_SOURCE
+# st_atimensec - FreeBSD, NetBSD, if defined _POSIX_SOURCE
# st_atim.st__tim.tv_nsec - UnixWare (at least 2.1.2 through 7.1)
# st_spare1 - Cygwin?
+# st_birthtimespec present on NetBSD (probably also FreBSD, OpenBSD)
+
AC_DEFUN([gl_STAT_TIME],
[
AC_REQUIRE([AC_C_INLINE])
@@ -61,3 +63,26 @@ AC_DEFUN([gl_STAT_TIME],
[#include <sys/types.h>
#include <sys/stat.h>])
])
+
+# Checks for st_birthtime, which is a feature from UFS2 (FreeBSD, NetBSD, OpenBSD, etc.)
+# There was a time when this field was named st_createtime (21 June 2002 to 16 July 2002)
+# But that window is very small and applied only to development code, so systems still
+# using that configuration are not a realistic development target.
+# See revisions 1.10 and 1.11 of FreeBSD's src/sys/ufs/ufs/dinode.h.
+#
+AC_DEFUN([gl_STAT_BIRTHTIME],
+[
+ AC_REQUIRE([AC_C_INLINE])
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+ AC_CHECK_HEADERS_ONCE([sys/time.h])
+ AC_CHECK_MEMBERS([struct stat.st_birthtimespec.tv_sec, struct stat.st_birthtimespec.tv_nsec], [],
+ [AC_CHECK_MEMBERS([struct stat.st_birthtime, struct stat.st_birthtimensec], [],
+ [AC_CHECK_MEMBERS([struct stat.st_spare4], [],
+ [],
+ [#include <sys/types.h>
+ #include <sys/stat.h>])],
+ [#include <sys/types.h>
+ #include <sys/stat.h>])],
+ [#include <sys/types.h>
+ #include <sys/stat.h>])
+])