y2038: xstat64: Use statx Linux syscall to read file timestamp beyond…

… y2038

Signed-off-by: Lukasz Majewski <lukma@denx.de>

sysdeps/unix/sysv/linux/xstat64.c

@@ -83,6 +83,23 @@ __xstat64_time64 (int vers, const char *name, struct __stat64_t64 *buf)
       buf->st_ctim.tv_pad = 0;
 
       buf->st_ino          = st64.st_ino;
+
+      /* For Y2038 being safe we provide explicitly 64 bit time data types
+	 via statx - as stat{64} syscall can only handle 32bits. */
+#ifdef __NR_statx
+      struct statx stx;
+      result = INLINE_SYSCALL_CALL (statx, 0, name, 0,
+				    STATX_ATIME | STATX_MTIME | STATX_CTIME,
+				    &stx);
+      if (!result) {
+	      buf->st_atim.tv_sec  = stx.stx_atime.tv_sec;
+	      buf->st_atim.tv_nsec = stx.stx_atime.tv_nsec;
+	      buf->st_mtim.tv_sec  = stx.stx_mtime.tv_sec;
+	      buf->st_mtim.tv_nsec = stx.stx_mtime.tv_nsec;
+	      buf->st_ctim.tv_sec  = stx.stx_ctime.tv_sec;
+	      buf->st_ctim.tv_nsec = stx.stx_ctime.tv_nsec;
+      }
+#endif
     }
   return result;
 }