--- /dev/null
+/* -*- buffer-read-only: t -*- vi: set ro: */
+/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
+/* stat-related time functions.
+
+ Copyright (C) 2005, 2007, 2009-2010 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Paul Eggert. */
+
+#ifndef STAT_TIME_H
+#define STAT_TIME_H 1
+
+#include <sys/stat.h>
+#include <time.h>
+
+/* STAT_TIMESPEC (ST, ST_XTIM) is the ST_XTIM member for *ST of type
+ struct timespec, if available. If not, then STAT_TIMESPEC_NS (ST,
+ ST_XTIM) is the nanosecond component of the ST_XTIM member for *ST,
+ if available. ST_XTIM can be st_atim, st_ctim, st_mtim, or st_birthtim
+ for access, status change, data modification, or birth (creation)
+ time respectively.
+
+ These macros are private to stat-time.h. */
+#if defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC
+# ifdef TYPEOF_STRUCT_STAT_ST_ATIM_IS_STRUCT_TIMESPEC
+# define STAT_TIMESPEC(st, st_xtim) ((st)->st_xtim)
+# else
+# define STAT_TIMESPEC_NS(st, st_xtim) ((st)->st_xtim.tv_nsec)
+# endif
+#elif defined HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC
+# define STAT_TIMESPEC(st, st_xtim) ((st)->st_xtim##espec)
+#elif defined HAVE_STRUCT_STAT_ST_ATIMENSEC
+# define STAT_TIMESPEC_NS(st, st_xtim) ((st)->st_xtim##ensec)
+#elif defined HAVE_STRUCT_STAT_ST_ATIM_ST__TIM_TV_NSEC
+# define STAT_TIMESPEC_NS(st, st_xtim) ((st)->st_xtim.st__tim.tv_nsec)
+#endif
+
+/* Return the nanosecond component of *ST's access time. */
+static inline long int
+get_stat_atime_ns (struct stat const *st)
+{
+# if defined STAT_TIMESPEC
+ return STAT_TIMESPEC (st, st_atim).tv_nsec;
+# elif defined STAT_TIMESPEC_NS
+ return STAT_TIMESPEC_NS (st, st_atim);
+# else
+ return 0;
+# endif
+}
+
+/* Return the nanosecond component of *ST's status change time. */
+static inline long int
+get_stat_ctime_ns (struct stat const *st)
+{
+# if defined STAT_TIMESPEC
+ return STAT_TIMESPEC (st, st_ctim).tv_nsec;
+# elif defined STAT_TIMESPEC_NS
+ return STAT_TIMESPEC_NS (st, st_ctim);
+# else
+ return 0;
+# endif
+}
+
+/* Return the nanosecond component of *ST's data modification time. */
+static inline long int
+get_stat_mtime_ns (struct stat const *st)
+{
+# if defined STAT_TIMESPEC
+ return STAT_TIMESPEC (st, st_mtim).tv_nsec;
+# elif defined STAT_TIMESPEC_NS
+ return STAT_TIMESPEC_NS (st, st_mtim);
+# else
+ return 0;
+# endif
+}
+
+/* Return the nanosecond component of *ST's birth time. */
+static inline long int
+get_stat_birthtime_ns (struct stat const *st)
+{
+# if defined HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC
+ return STAT_TIMESPEC (st, st_birthtim).tv_nsec;
+# elif defined HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC
+ return STAT_TIMESPEC_NS (st, st_birthtim);
+# else
+ /* Avoid a "parameter unused" warning. */
+ (void) st;
+ return 0;
+# endif
+}
+
+/* Return *ST's access time. */
+static inline struct timespec
+get_stat_atime (struct stat const *st)
+{
+#ifdef STAT_TIMESPEC
+ return STAT_TIMESPEC (st, st_atim);
+#else
+ struct timespec t;
+ t.tv_sec = st->st_atime;
+ t.tv_nsec = get_stat_atime_ns (st);
+ return t;
+#endif
+}
+
+/* Return *ST's status change time. */
+static inline struct timespec
+get_stat_ctime (struct stat const *st)
+{
+#ifdef STAT_TIMESPEC
+ return STAT_TIMESPEC (st, st_ctim);
+#else
+ struct timespec t;
+ t.tv_sec = st->st_ctime;
+ t.tv_nsec = get_stat_ctime_ns (st);
+ return t;
+#endif
+}
+
+/* Return *ST's data modification time. */
+static inline struct timespec
+get_stat_mtime (struct stat const *st)
+{
+#ifdef STAT_TIMESPEC
+ return STAT_TIMESPEC (st, st_mtim);
+#else
+ struct timespec t;
+ t.tv_sec = st->st_mtime;
+ t.tv_nsec = get_stat_mtime_ns (st);
+ return t;
+#endif
+}
+
+/* Return *ST's birth time, if available; otherwise return a value
+ with negative tv_nsec. */
+static inline struct timespec
+get_stat_birthtime (struct stat const *st)
+{
+ struct timespec t;
+
+#if (defined HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC \
+ || defined HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC)
+ t = STAT_TIMESPEC (st, st_birthtim);
+#elif defined HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC
+ t.tv_sec = st->st_birthtime;
+ t.tv_nsec = st->st_birthtimensec;
+#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ /* Woe32 native platforms (but not Cygwin) put the "file creation
+ time" in st_ctime (!). See
+ <http://msdn2.microsoft.com/de-de/library/14h5k7ff(VS.80).aspx>. */
+ t.tv_sec = st->st_ctime;
+ t.tv_nsec = 0;
+#else
+ /* Birth time is not supported. Set tv_sec to avoid undefined behavior. */
+ t.tv_sec = -1;
+ t.tv_nsec = -1;
+ /* Avoid a "parameter unused" warning. */
+ (void) st;
+#endif
+
+#if (defined HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC \
+ || defined HAVE_STRUCT_STAT_ST_BIRTHTIM_TV_NSEC \
+ || defined HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC)
+ /* FreeBSD and NetBSD sometimes signal the absence of knowledge by
+ using zero. Attempt to work around this problem. Alas, this can
+ report failure even for valid time stamps. Also, NetBSD
+ sometimes returns junk in the birth time fields; work around this
+ bug if it it is detected. There's no need to detect negative
+ tv_nsec junk as negative tv_nsec already indicates an error. */
+ if (t.tv_sec == 0 || 1000000000 <= t.tv_nsec)
+ t.tv_nsec = -1;
+#endif
+
+ return t;
+}
+
+#endif
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