return ret;
}
+/****************************************************************************
+ Return the best approximation to a 'create time' under UNIX from a stat
+ structure.
+****************************************************************************/
+
+static time_t calc_create_time(const struct stat *st)
+{
+ time_t ret, ret1;
+
+ ret = MIN(st->st_ctime, st->st_mtime);
+ ret1 = MIN(ret, st->st_atime);
+
+ if(ret1 != (time_t)0) {
+ return ret1;
+ }
+
+ /*
+ * One of ctime, mtime or atime was zero (probably atime).
+ * Just return MIN(ctime, mtime).
+ */
+ return ret;
+}
+
+/****************************************************************************
+ Return the 'create time' from a stat struct if it exists (birthtime) or else
+ use the best approximation.
+****************************************************************************/
+
+static struct timespec get_create_timespec(const struct stat *pst)
+{
+ struct timespec ret;
+
+ if (S_ISDIR(pst->st_mode) && lp_fake_dir_create_times()) {
+ ret.tv_sec = 315493200L; /* 1/1/1980 */
+ ret.tv_nsec = 0;
+ return ret;
+ }
+
+#if defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC)
+ ret = pst->st_birthtimespec;
+#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC)
+ ret.tv_sec = pst->st_birthtime;
+ ret.tv_nsec = pst->st_birthtimenspec;
+#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIME)
+ ret.tv_sec = pst->st_birthtime;
+ ret.tv_nsec = 0;
+#else
+ ret.tv_sec = calc_create_time(pst);
+ ret.tv_nsec = 0;
+#endif
+
+ /* Deal with systems that don't initialize birthtime correctly.
+ * Pointed out by SATOH Fumiyasu <fumiyas@osstech.jp>.
+ */
+ if (null_timespec(ret)) {
+ ret.tv_sec = calc_create_time(pst);
+ ret.tv_nsec = 0;
+ }
+ return ret;
+}
+
+/****************************************************************************
+ Get/Set all the possible time fields from a stat struct as a timespec.
+****************************************************************************/
+
+static struct timespec get_atimespec(const struct stat *pst)
+{
+#if !defined(HAVE_STAT_HIRES_TIMESTAMPS)
+ struct timespec ret;
+
+ /* Old system - no ns timestamp. */
+ ret.tv_sec = pst->st_atime;
+ ret.tv_nsec = 0;
+ return ret;
+#else
+#if defined(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
+ return pst->st_atim;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
+ struct timespec ret;
+ ret.tv_sec = pst->st_atime;
+ ret.tv_nsec = pst->st_atimensec;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIME_N)
+ struct timespec ret;
+ ret.tv_sec = pst->st_atime;
+ ret.tv_nsec = pst->st_atime_n;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_UMTIME)
+ struct timespec ret;
+ ret.tv_sec = pst->st_atime;
+ ret.tv_nsec = pst->st_uatime * 1000;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
+ return pst->st_atimespec;
+#else
+#error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT
+#endif
+#endif
+}
+
+static struct timespec get_mtimespec(const struct stat *pst)
+{
+#if !defined(HAVE_STAT_HIRES_TIMESTAMPS)
+ struct timespec ret;
+
+ /* Old system - no ns timestamp. */
+ ret.tv_sec = pst->st_mtime;
+ ret.tv_nsec = 0;
+ return ret;
+#else
+#if defined(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
+ return pst->st_mtim;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
+ struct timespec ret;
+ ret.tv_sec = pst->st_mtime;
+ ret.tv_nsec = pst->st_mtimensec;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIME_N)
+ struct timespec ret;
+ ret.tv_sec = pst->st_mtime;
+ ret.tv_nsec = pst->st_mtime_n;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_UMTIME)
+ struct timespec ret;
+ ret.tv_sec = pst->st_mtime;
+ ret.tv_nsec = pst->st_umtime * 1000;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
+ return pst->st_mtimespec;
+#else
+#error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT
+#endif
+#endif
+}
+
+static struct timespec get_ctimespec(const struct stat *pst)
+{
+#if !defined(HAVE_STAT_HIRES_TIMESTAMPS)
+ struct timespec ret;
+
+ /* Old system - no ns timestamp. */
+ ret.tv_sec = pst->st_ctime;
+ ret.tv_nsec = 0;
+ return ret;
+#else
+#if defined(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
+ return pst->st_ctim;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
+ struct timespec ret;
+ ret.tv_sec = pst->st_ctime;
+ ret.tv_nsec = pst->st_ctimensec;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIME_N)
+ struct timespec ret;
+ ret.tv_sec = pst->st_ctime;
+ ret.tv_nsec = pst->st_ctime_n;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_UMTIME)
+ struct timespec ret;
+ ret.tv_sec = pst->st_ctime;
+ ret.tv_nsec = pst->st_uctime * 1000;
+ return ret;
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
+ return pst->st_ctimespec;
+#else
+#error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT
+#endif
+#endif
+}
+
+static void init_stat_ex_from_stat (struct stat_ex *dst,
+ const struct stat *src)
+{
+ dst->st_ex_dev = src->st_dev;
+ dst->st_ex_ino = src->st_ino;
+ dst->st_ex_mode = src->st_mode;
+ dst->st_ex_nlink = src->st_nlink;
+ dst->st_ex_uid = src->st_uid;
+ dst->st_ex_gid = src->st_gid;
+ dst->st_ex_rdev = src->st_rdev;
+ dst->st_ex_size = src->st_size;
+ dst->st_ex_atime = get_atimespec(src);
+ dst->st_ex_mtime = get_mtimespec(src);
+ dst->st_ex_ctime = get_ctimespec(src);
+ dst->st_ex_btime = get_create_timespec(src);
+ dst->st_ex_blksize = src->st_blksize;
+ dst->st_ex_blocks = src->st_blocks;
+}
+
/*******************************************************************
A stat() wrapper that will deal with 64 bit filesizes.
********************************************************************/
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_STAT64)
ret = stat64(fname, sbuf);
#else
- ret = stat(fname, sbuf);
+ struct stat statbuf;
+ ret = stat(fname, &statbuf);
#endif
- /* we always want directories to appear zero size */
- if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
+ if (ret == 0) {
+ /* we always want directories to appear zero size */
+ if (S_ISDIR(statbuf.st_mode)) {
+ statbuf.st_size = 0;
+ }
+ init_stat_ex_from_stat(sbuf, &statbuf);
+ }
return ret;
}
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_FSTAT64)
ret = fstat64(fd, sbuf);
#else
- ret = fstat(fd, sbuf);
+ struct stat statbuf;
+ ret = fstat(fd, &statbuf);
#endif
- /* we always want directories to appear zero size */
- if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
+ if (ret == 0) {
+ /* we always want directories to appear zero size */
+ if (S_ISDIR(statbuf.st_mode)) {
+ statbuf.st_size = 0;
+ }
+ init_stat_ex_from_stat(sbuf, &statbuf);
+ }
return ret;
}
#if defined(HAVE_EXPLICIT_LARGEFILE_SUPPORT) && defined(HAVE_OFF64_T) && defined(HAVE_LSTAT64)
ret = lstat64(fname, sbuf);
#else
- ret = lstat(fname, sbuf);
+ struct stat statbuf;
+ ret = lstat(fname, &statbuf);
#endif
- /* we always want directories to appear zero size */
- if (ret == 0 && S_ISDIR(sbuf->st_mode)) sbuf->st_size = 0;
+ if (ret == 0) {
+ /* we always want directories to appear zero size */
+ if (S_ISDIR(statbuf.st_mode)) {
+ statbuf.st_size = 0;
+ }
+ init_stat_ex_from_stat(sbuf, &statbuf);
+ }
return ret;
}
git.samba.org / ira / wip.git / blobdiff