Add st_birthtime and friends for accurate create times on systems that support it (*BSD and MacOSX).

Should have done this ages ago, sorry.
Jeremy.
(This used to be commit 4c3a9558906f213948c3bdc081be73f8fed148cb)

1 files changed, 30 insertions, 10 deletions

diff --git a/source3/lib/time.c b/source3/lib/time.c
index 9db88b3fc8..3cf0cb4f64 100644
--- a/source3/lib/time.c
+++ b/source3/lib/time.c
@@ -826,14 +826,10 @@ void put_long_date(char *p, time_t t)
  structure.
 ****************************************************************************/
 
-time_t get_create_time(const SMB_STRUCT_STAT *st,bool fake_dirs)
+static time_t calc_create_time(const SMB_STRUCT_STAT *st)
 {
 	time_t ret, ret1;
 
-	if(S_ISDIR(st->st_mode) && fake_dirs) {
-		return (time_t)315493200L;          /* 1/1/1980 */
-	}
-    
 	ret = MIN(st->st_ctime, st->st_mtime);
 	ret1 = MIN(ret, st->st_atime);
 
@@ -848,12 +844,36 @@ time_t get_create_time(const SMB_STRUCT_STAT *st,bool fake_dirs)
 	return ret;
 }
 
-struct timespec get_create_timespec(const SMB_STRUCT_STAT *st,bool fake_dirs)
+/****************************************************************************
+ Return the 'create time' from a stat struct if it exists (birthtime) or else
+ use the best approximation.
+****************************************************************************/
+
+struct timespec get_create_timespec(const SMB_STRUCT_STAT *pst,bool fake_dirs)
 {
-	struct timespec ts;
-	ts.tv_sec = get_create_time(st, fake_dirs);
-	ts.tv_nsec = 0;
-	return ts;
+	struct timespec ret;
+
+	if(S_ISDIR(pst->st_mode) && fake_dirs) {
+		ret.tv_sec = 315493200L;          /* 1/1/1980 */
+		ret.tv_nsec = 0;
+		return ret;
+	}
+
+#if defined(HAVE_STAT_ST_BIRTHTIMESPEC)
+	return pst->st_birthtimespec;
+#elif defined(HAVE_STAT_ST_BIRTHTIMENSEC)
+	ret.tv_sec = pst->st_birthtime;
+	ret.tv_nsec = pst->st_birthtimenspec;
+	return ret;
+#elif defined(HAVE_STAT_ST_BIRTHTIME)
+	ret.tv_sec = pst->st_birthtime;
+	ret.tv_nsec = 0;
+	return ret;
+#else
+	ret.tv_sec = calc_create_time(pst);
+	ret.tv_nsec = 0;
+	return ret;
+#endif
 }
 
 /****************************************************************************