11 files changed, 936 insertions, 438 deletions

diff --git a/src/.distdep b/src/.distdep
index 3e0c443..c8e7e52 100644
--- a/src/.distdep
+++ b/src/.distdep
@@ -1,64 +1,3 @@
-H5.o: \
-   H5.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5ACprivate.h \
-   H5ACpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Ipublic.h \
-   H5Dpublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5Iprivate.h \
-   H5MMprivate.h \
-   H5MMpublic.h \
-   H5Pprivate.h \
-   H5Ppublic.h \
-   H5Zpublic.h \
-   H5Sprivate.h \
-   H5Spublic.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Oprivate.h \
-   H5Opublic.h \
-   H5HGprivate.h \
-   H5HGpublic.h \
-   H5Tprivate.h \
-   H5Tpublic.h
-H5A.o: \
-   H5A.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Iprivate.h \
-   H5Ipublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Dpublic.h \
-   H5Dprivate.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Oprivate.h \
-   H5Opublic.h \
-   H5HGprivate.h \
-   H5HGpublic.h \
-   H5Tprivate.h \
-   H5Tpublic.h \
-   H5Sprivate.h \
-   H5Spublic.h \
-   H5Zprivate.h \
-   H5Zpublic.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5MMprivate.h \
-   H5MMpublic.h \
-   H5Pprivate.h
 H5AC.o: \
    H5AC.c \
    H5private.h \
@@ -84,101 +23,6 @@ H5B.o: \
    H5Bpublic.h \
    H5Eprivate.h \
    H5Epublic.h
-H5D.o: \
-   H5D.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Iprivate.h \
-   H5Ipublic.h \
-   H5ACprivate.h \
-   H5ACpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Dpublic.h \
-   H5Dprivate.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
-   H5Oprivate.h \
-   H5Opublic.h \
-   H5HGprivate.h \
-   H5HGpublic.h \
-   H5Tprivate.h \
-   H5Tpublic.h \
-   H5Sprivate.h \
-   H5Spublic.h \
-   H5Zprivate.h \
-   H5Zpublic.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5HLprivate.h \
-   H5HLpublic.h \
-   H5MFprivate.h \
-   H5MFpublic.h \
-   H5MMprivate.h \
-   H5MMpublic.h
-H5E.o: \
-   H5E.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Iprivate.h \
-   H5Ipublic.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5MMprivate.h
-H5F.o: \
-   H5F.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Iprivate.h \
-   H5Ipublic.h \
-   H5ACprivate.h \
-   H5ACpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Dpublic.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
-   H5MMprivate.h \
-   H5MMpublic.h \
-   H5Pprivate.h \
-   H5Ppublic.h \
-   H5Zpublic.h \
-   H5Tprivate.h \
-   H5Tpublic.h
-H5Farray.o: \
-   H5Farray.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Dprivate.h \
-   H5Dpublic.h \
-   H5Ipublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
-   H5Oprivate.h \
-   H5Opublic.h \
-   H5HGprivate.h \
-   H5HGpublic.h \
-   H5Tprivate.h \
-   H5Tpublic.h \
-   H5Sprivate.h \
-   H5Spublic.h \
-   H5Zprivate.h \
-   H5Zpublic.h \
-   H5Eprivate.h
 H5Fcore.o: \
    H5Fcore.c \
    H5private.h \
@@ -199,49 +43,6 @@ H5Ffamily.o: \
    H5Ipublic.h \
    H5Fprivate.h \
    H5Fpublic.h
-H5Fistore.o: \
-   H5Fistore.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Dprivate.h \
-   H5Dpublic.h \
-   H5Ipublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
-   H5Oprivate.h \
-   H5Opublic.h \
-   H5HGprivate.h \
-   H5HGpublic.h \
-   H5Tprivate.h \
-   H5Tpublic.h \
-   H5Sprivate.h \
-   H5Spublic.h \
-   H5Zprivate.h \
-   H5Zpublic.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5MFprivate.h \
-   H5MFpublic.h \
-   H5MMprivate.h \
-   H5MMpublic.h
-H5Flow.o: \
-   H5Flow.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5Ipublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Dpublic.h \
-   H5MMprivate.h \
-   H5MMpublic.h
 H5Fmpio.o: \
    H5Fmpio.c \
    H5private.h \
@@ -283,16 +84,6 @@ H5Fsec2.o: \
    H5Dpublic.h \
    H5MMprivate.h \
    H5MMpublic.h
-H5Fsplit.o: \
-   H5Fsplit.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5Ipublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h
 H5Fstdio.o: \
    H5Fstdio.c \
    H5private.h \
@@ -306,56 +97,6 @@ H5Fstdio.o: \
    H5Dpublic.h \
    H5MMprivate.h \
    H5MMpublic.h
-H5G.o: \
-   H5G.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Ipublic.h \
-   H5Dpublic.h \
-   H5Dprivate.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Oprivate.h \
-   H5Opublic.h \
-   H5HGprivate.h \
-   H5HGpublic.h \
-   H5Tprivate.h \
-   H5Tpublic.h \
-   H5Sprivate.h \
-   H5Spublic.h \
-   H5Zprivate.h \
-   H5Zpublic.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5Gpkg.h \
-   H5ACprivate.h \
-   H5ACpublic.h \
-   H5HLprivate.h
-H5Gent.o: \
-   H5Gent.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5Ipublic.h \
-   H5Gpkg.h \
-   H5ACprivate.h \
-   H5ACpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Dpublic.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
-   H5HLprivate.h \
-   H5HLpublic.h
 H5Gnode.o: \
    H5Gnode.c \
    H5private.h \
@@ -416,21 +157,6 @@ H5Gstab.o: \
    H5Tpublic.h \
    H5Sprivate.h \
    H5Spublic.h
-H5HG.o: \
-   H5HG.c \
-   H5private.h \
-   H5public.h \
-   H5config.h \
-   H5ACprivate.h \
-   H5ACpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Ipublic.h \
-   H5Dpublic.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5HGprivate.h \
-   H5HGpublic.h
 H5HL.o: \
    H5HL.c \
    H5private.h \
@@ -501,33 +227,33 @@ H5O.o: \
    H5Sprivate.h \
    H5Spublic.h \
    H5Zprivate.h
-H5Oattr.o: \
-   H5Oattr.c \
+H5Ocomp.o: \
+   H5Ocomp.c \
    H5private.h \
    H5public.h \
    H5config.h \
    H5Eprivate.h \
    H5Epublic.h \
    H5Ipublic.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Dpublic.h \
    H5MMprivate.h \
    H5MMpublic.h \
    H5Oprivate.h \
    H5Opublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Dpublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
    H5HGprivate.h \
    H5HGpublic.h \
    H5Tprivate.h \
    H5Tpublic.h \
    H5Sprivate.h \
    H5Spublic.h
-H5Ocomp.o: \
-   H5Ocomp.c \
+H5Ocont.o: \
+   H5Ocont.c \
    H5private.h \
    H5public.h \
    H5config.h \
@@ -551,8 +277,8 @@ H5Ocomp.o: \
    H5Tpublic.h \
    H5Sprivate.h \
    H5Spublic.h
-H5Ocont.o: \
-   H5Ocont.c \
+H5Oname.o: \
+   H5Oname.c \
    H5private.h \
    H5public.h \
    H5config.h \
@@ -576,8 +302,28 @@ H5Ocont.o: \
    H5Tpublic.h \
    H5Sprivate.h \
    H5Spublic.h
-H5Odtype.o: \
-   H5Odtype.c \
+H5Onull.o: \
+   H5Onull.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Oprivate.h \
+   H5Opublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Ipublic.h \
+   H5Dpublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
+   H5HGprivate.h \
+   H5HGpublic.h \
+   H5Tprivate.h \
+   H5Tpublic.h \
+   H5Sprivate.h
+H5Ostab.o: \
+   H5Ostab.c \
    H5private.h \
    H5public.h \
    H5config.h \
@@ -601,33 +347,129 @@ H5Odtype.o: \
    H5Tpublic.h \
    H5Sprivate.h \
    H5Spublic.h
-H5Oefl.o: \
-   H5Oefl.c \
+H5Tbit.o: \
+   H5Tbit.c \
    H5private.h \
    H5public.h \
    H5config.h \
    H5Eprivate.h \
    H5Epublic.h \
    H5Ipublic.h \
-   H5HLprivate.h \
-   H5HLpublic.h \
+   H5Iprivate.h \
+   H5Tpkg.h \
+   H5HGprivate.h \
+   H5HGpublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
    H5Dpublic.h \
+   H5Tprivate.h \
+   H5Tpublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
+   H5Bprivate.h
+H5Tconv.o: \
+   H5Tconv.c \
+   H5Iprivate.h \
+   H5Ipublic.h \
+   H5public.h \
+   H5config.h \
+   H5private.h \
+   H5Eprivate.h \
+   H5Epublic.h \
    H5MMprivate.h \
    H5MMpublic.h \
-   H5Oprivate.h \
-   H5Opublic.h \
+   H5Tpkg.h \
+   H5HGprivate.h \
+   H5HGpublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Dpublic.h \
+   H5Tprivate.h \
+   H5Tpublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h
+H5Flow.o: \
+   H5Flow.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5Ipublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Dpublic.h \
+   H5MMprivate.h \
+   H5MMpublic.h
+H5Fsplit.o: \
+   H5Fsplit.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5Ipublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h
+H5Gent.o: \
+   H5Gent.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5Ipublic.h \
+   H5Gpkg.h \
+   H5ACprivate.h \
+   H5ACpublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Dpublic.h \
    H5Gprivate.h \
    H5Gpublic.h \
    H5Bprivate.h \
    H5Bpublic.h \
+   H5HLprivate.h \
+   H5HLpublic.h
+H5HG.o: \
+   H5HG.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5ACprivate.h \
+   H5ACpublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Ipublic.h \
+   H5Dpublic.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5HGprivate.h \
+   H5HGpublic.h
+H5Tinit.o: \
+   H5Tinit.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Iprivate.h \
+   H5Ipublic.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5MMprivate.h \
+   H5MMpublic.h \
+   H5Tpkg.h \
    H5HGprivate.h \
    H5HGpublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Dpublic.h \
    H5Tprivate.h \
-   H5Tpublic.h
-H5Olayout.o: \
-   H5Olayout.c \
+   H5Tpublic.h \
+   H5Gprivate.h
+H5Farray.o: \
+   H5Farray.c \
    H5private.h \
    H5public.h \
    H5config.h \
@@ -651,21 +493,48 @@ H5Olayout.o: \
    H5Zprivate.h \
    H5Zpublic.h \
    H5Eprivate.h
-H5Oname.o: \
-   H5Oname.c \
+H5Odtype.o: \
+   H5Odtype.c \
    H5private.h \
    H5public.h \
    H5config.h \
    H5Eprivate.h \
    H5Epublic.h \
    H5Ipublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Dpublic.h \
    H5MMprivate.h \
    H5MMpublic.h \
    H5Oprivate.h \
    H5Opublic.h \
+   H5HGprivate.h \
+   H5HGpublic.h \
+   H5Tprivate.h \
+   H5Tpublic.h \
+   H5Sprivate.h \
+   H5Spublic.h
+H5Oefl.o: \
+   H5Oefl.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5Ipublic.h \
+   H5HLprivate.h \
+   H5HLpublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
    H5Dpublic.h \
+   H5MMprivate.h \
+   H5MMpublic.h \
+   H5Oprivate.h \
+   H5Opublic.h \
    H5Gprivate.h \
    H5Gpublic.h \
    H5Bprivate.h \
@@ -673,29 +542,32 @@ H5Oname.o: \
    H5HGprivate.h \
    H5HGpublic.h \
    H5Tprivate.h \
-   H5Tpublic.h \
-   H5Sprivate.h \
-   H5Spublic.h
-H5Onull.o: \
-   H5Onull.c \
+   H5Tpublic.h
+H5Olayout.o: \
+   H5Olayout.c \
    H5private.h \
    H5public.h \
    H5config.h \
-   H5Oprivate.h \
-   H5Opublic.h \
+   H5Dprivate.h \
+   H5Dpublic.h \
+   H5Ipublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
-   H5Ipublic.h \
-   H5Dpublic.h \
    H5Gprivate.h \
    H5Gpublic.h \
    H5Bprivate.h \
    H5Bpublic.h \
+   H5Oprivate.h \
+   H5Opublic.h \
    H5HGprivate.h \
    H5HGpublic.h \
    H5Tprivate.h \
    H5Tpublic.h \
-   H5Sprivate.h
+   H5Sprivate.h \
+   H5Spublic.h \
+   H5Zprivate.h \
+   H5Zpublic.h \
+   H5Eprivate.h
 H5Osdspace.o: \
    H5Osdspace.c \
    H5private.h \
@@ -746,23 +618,30 @@ H5Oshared.o: \
    H5Tpublic.h \
    H5Sprivate.h \
    H5Spublic.h
-H5Ostab.o: \
-   H5Ostab.c \
+H5E.o: \
+   H5E.c \
    H5private.h \
    H5public.h \
    H5config.h \
+   H5Iprivate.h \
+   H5Ipublic.h \
    H5Eprivate.h \
    H5Epublic.h \
+   H5MMprivate.h
+H5Fistore.o: \
+   H5Fistore.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Dprivate.h \
+   H5Dpublic.h \
    H5Ipublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
    H5Gprivate.h \
    H5Gpublic.h \
    H5Bprivate.h \
    H5Bpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Dpublic.h \
-   H5MMprivate.h \
-   H5MMpublic.h \
    H5Oprivate.h \
    H5Opublic.h \
    H5HGprivate.h \
@@ -770,22 +649,32 @@ H5Ostab.o: \
    H5Tprivate.h \
    H5Tpublic.h \
    H5Sprivate.h \
-   H5Spublic.h
-H5P.o: \
-   H5P.c \
+   H5Spublic.h \
+   H5Zprivate.h \
+   H5Zpublic.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5MFprivate.h \
+   H5MFpublic.h \
+   H5MMprivate.h \
+   H5MMpublic.h
+H5Oattr.o: \
+   H5Oattr.c \
    H5private.h \
    H5public.h \
    H5config.h \
-   H5Iprivate.h \
+   H5Eprivate.h \
+   H5Epublic.h \
    H5Ipublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
    H5Bprivate.h \
    H5Bpublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
    H5Dpublic.h \
-   H5Dprivate.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
+   H5MMprivate.h \
+   H5MMpublic.h \
    H5Oprivate.h \
    H5Opublic.h \
    H5HGprivate.h \
@@ -793,23 +682,15 @@ H5P.o: \
    H5Tprivate.h \
    H5Tpublic.h \
    H5Sprivate.h \
-   H5Spublic.h \
-   H5Zprivate.h \
-   H5Zpublic.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5MMprivate.h \
-   H5MMpublic.h \
-   H5Pprivate.h
-H5S.o: \
-   H5S.c \
+   H5Spublic.h
+H5Z.o: \
+   H5Z.c \
    H5private.h \
    H5public.h \
    H5config.h \
-   H5Iprivate.h \
-   H5Ipublic.h \
    H5Eprivate.h \
    H5Epublic.h \
+   H5Ipublic.h \
    H5MMprivate.h \
    H5MMpublic.h \
    H5Oprivate.h \
@@ -825,7 +706,10 @@ H5S.o: \
    H5HGpublic.h \
    H5Tprivate.h \
    H5Tpublic.h \
-   H5Sprivate.h
+   H5Sprivate.h \
+   H5Spublic.h \
+   H5Zprivate.h \
+   H5Zpublic.h
 H5Sall.o: \
    H5Sall.c \
    H5private.h \
@@ -851,8 +735,8 @@ H5Sall.o: \
    H5Tpublic.h \
    H5Zprivate.h \
    H5Zpublic.h
-H5Shyper.o: \
-   H5Shyper.c \
+H5Ssimp.o: \
+   H5Ssimp.c \
    H5private.h \
    H5public.h \
    H5config.h \
@@ -876,70 +760,126 @@ H5Shyper.o: \
    H5Tpublic.h \
    H5Zprivate.h \
    H5Zpublic.h
-H5Spoint.o: \
-   H5Spoint.c \
+H5T.o: \
+   H5T.c \
    H5private.h \
    H5public.h \
    H5config.h \
-   H5Eprivate.h \
-   H5Epublic.h \
+   H5Dprivate.h \
+   H5Dpublic.h \
    H5Ipublic.h \
-   H5MMprivate.h \
-   H5MMpublic.h \
-   H5Sprivate.h \
-   H5Spublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
    H5Gprivate.h \
    H5Gpublic.h \
    H5Bprivate.h \
    H5Bpublic.h \
-   H5Fprivate.h \
-   H5Fpublic.h \
-   H5Dpublic.h \
    H5Oprivate.h \
    H5Opublic.h \
    H5HGprivate.h \
    H5HGpublic.h \
    H5Tprivate.h \
-   H5Tpublic.h
-H5Ssimp.o: \
-   H5Ssimp.c \
+   H5Tpublic.h \
+   H5Sprivate.h \
+   H5Spublic.h \
+   H5Zprivate.h \
+   H5Zpublic.h \
+   H5Iprivate.h
+H5V.o: \
+   H5V.c \
    H5private.h \
    H5public.h \
    H5config.h \
    H5Eprivate.h \
    H5Epublic.h \
    H5Ipublic.h \
-   H5Sprivate.h \
-   H5Spublic.h \
+   H5Oprivate.h \
+   H5Opublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Dpublic.h \
    H5Gprivate.h \
    H5Gpublic.h \
    H5Bprivate.h \
    H5Bpublic.h \
+   H5HGprivate.h \
+   H5HGpublic.h \
+   H5Tprivate.h \
+   H5Tpublic.h \
+   H5Sprivate.h \
+   H5Spublic.h \
+   H5Zprivate.h \
+   H5Zpublic.h
+H5.o: \
+   H5.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5ACprivate.h \
+   H5ACpublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
+   H5Ipublic.h \
    H5Dpublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5Iprivate.h \
+   H5MMprivate.h \
+   H5MMpublic.h \
+   H5Pprivate.h \
+   H5Ppublic.h \
+   H5Zpublic.h \
+   H5Sprivate.h \
+   H5Spublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
    H5Oprivate.h \
    H5Opublic.h \
    H5HGprivate.h \
    H5HGpublic.h \
    H5Tprivate.h \
-   H5Tpublic.h \
-   H5Zprivate.h \
-   H5Zpublic.h
-H5T.o: \
-   H5T.c \
+   H5Tpublic.h
+H5F.o: \
+   H5F.c \
    H5private.h \
    H5public.h \
    H5config.h \
-   H5Dprivate.h \
-   H5Dpublic.h \
+   H5Iprivate.h \
    H5Ipublic.h \
+   H5ACprivate.h \
+   H5ACpublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
+   H5Dpublic.h \
+   H5Eprivate.h \
+   H5Epublic.h \
    H5Gprivate.h \
    H5Gpublic.h \
    H5Bprivate.h \
    H5Bpublic.h \
+   H5MMprivate.h \
+   H5MMpublic.h \
+   H5Pprivate.h \
+   H5Ppublic.h \
+   H5Zpublic.h \
+   H5Tprivate.h \
+   H5Tpublic.h
+H5G.o: \
+   H5G.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Ipublic.h \
+   H5Dpublic.h \
+   H5Dprivate.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
    H5Oprivate.h \
    H5Opublic.h \
    H5HGprivate.h \
@@ -950,70 +890,92 @@ H5T.o: \
    H5Spublic.h \
    H5Zprivate.h \
    H5Zpublic.h \
-   H5Iprivate.h
-H5Tbit.o: \
-   H5Tbit.c \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5Gpkg.h \
+   H5ACprivate.h \
+   H5ACpublic.h \
+   H5HLprivate.h
+H5P.o: \
+   H5P.c \
    H5private.h \
    H5public.h \
    H5config.h \
-   H5Eprivate.h \
-   H5Epublic.h \
-   H5Ipublic.h \
    H5Iprivate.h \
-   H5Tpkg.h \
-   H5HGprivate.h \
-   H5HGpublic.h \
+   H5Ipublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
    H5Dpublic.h \
-   H5Tprivate.h \
-   H5Tpublic.h \
+   H5Dprivate.h \
    H5Gprivate.h \
    H5Gpublic.h \
-   H5Bprivate.h
-H5Tconv.o: \
-   H5Tconv.c \
-   H5Iprivate.h \
-   H5Ipublic.h \
-   H5public.h \
-   H5config.h \
-   H5private.h \
+   H5Oprivate.h \
+   H5Opublic.h \
+   H5HGprivate.h \
+   H5HGpublic.h \
+   H5Tprivate.h \
+   H5Tpublic.h \
+   H5Sprivate.h \
+   H5Spublic.h \
+   H5Zprivate.h \
+   H5Zpublic.h \
    H5Eprivate.h \
    H5Epublic.h \
    H5MMprivate.h \
    H5MMpublic.h \
-   H5Tpkg.h \
-   H5HGprivate.h \
-   H5HGpublic.h \
+   H5Pprivate.h
+H5Shyper.o: \
+   H5Shyper.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5Ipublic.h \
+   H5Sprivate.h \
+   H5Spublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
    H5Dpublic.h \
+   H5Oprivate.h \
+   H5Opublic.h \
+   H5HGprivate.h \
+   H5HGpublic.h \
    H5Tprivate.h \
    H5Tpublic.h \
-   H5Gprivate.h \
-   H5Gpublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h
-H5Tinit.o: \
-   H5Tinit.c \
+   H5Zprivate.h \
+   H5Zpublic.h
+H5Spoint.o: \
+   H5Spoint.c \
    H5private.h \
    H5public.h \
    H5config.h \
-   H5Iprivate.h \
-   H5Ipublic.h \
    H5Eprivate.h \
    H5Epublic.h \
+   H5Ipublic.h \
    H5MMprivate.h \
    H5MMpublic.h \
-   H5Tpkg.h \
-   H5HGprivate.h \
-   H5HGpublic.h \
+   H5Sprivate.h \
+   H5Spublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
    H5Dpublic.h \
+   H5Oprivate.h \
+   H5Opublic.h \
+   H5HGprivate.h \
+   H5HGpublic.h \
    H5Tprivate.h \
-   H5Tpublic.h \
-   H5Gprivate.h
+   H5Tpublic.h
 H5TB.o: \
    H5TB.c \
    H5private.h \
@@ -1024,23 +986,23 @@ H5TB.o: \
    H5Eprivate.h \
    H5Epublic.h \
    H5MMprivate.h
-H5V.o: \
-   H5V.c \
+H5A.o: \
+   H5A.c \
    H5private.h \
    H5public.h \
    H5config.h \
-   H5Eprivate.h \
-   H5Epublic.h \
+   H5Iprivate.h \
    H5Ipublic.h \
-   H5Oprivate.h \
-   H5Opublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
    H5Fprivate.h \
    H5Fpublic.h \
    H5Dpublic.h \
+   H5Dprivate.h \
    H5Gprivate.h \
    H5Gpublic.h \
-   H5Bprivate.h \
-   H5Bpublic.h \
+   H5Oprivate.h \
+   H5Opublic.h \
    H5HGprivate.h \
    H5HGpublic.h \
    H5Tprivate.h \
@@ -1048,15 +1010,21 @@ H5V.o: \
    H5Sprivate.h \
    H5Spublic.h \
    H5Zprivate.h \
-   H5Zpublic.h
-H5Z.o: \
-   H5Z.c \
+   H5Zpublic.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5MMprivate.h \
+   H5MMpublic.h \
+   H5Pprivate.h
+H5S.o: \
+   H5S.c \
    H5private.h \
    H5public.h \
    H5config.h \
+   H5Iprivate.h \
+   H5Ipublic.h \
    H5Eprivate.h \
    H5Epublic.h \
-   H5Ipublic.h \
    H5MMprivate.h \
    H5MMpublic.h \
    H5Oprivate.h \
@@ -1072,10 +1040,7 @@ H5Z.o: \
    H5HGpublic.h \
    H5Tprivate.h \
    H5Tpublic.h \
-   H5Sprivate.h \
-   H5Spublic.h \
-   H5Zprivate.h \
-   H5Zpublic.h
+   H5Sprivate.h
 H5Sselect.o: \
    H5Sselect.c \
    H5private.h \
@@ -1101,3 +1066,26 @@ H5Sselect.o: \
    H5HGprivate.h \
    H5HGpublic.h \
    H5Tprivate.h
+H5Omtime.o: \
+   H5Omtime.c \
+   H5private.h \
+   H5public.h \
+   H5config.h \
+   H5Eprivate.h \
+   H5Epublic.h \
+   H5Ipublic.h \
+   H5MMprivate.h \
+   H5MMpublic.h \
+   H5Oprivate.h \
+   H5Opublic.h \
+   H5Fprivate.h \
+   H5Fpublic.h \
+   H5Dpublic.h \
+   H5Gprivate.h \
+   H5Gpublic.h \
+   H5Bprivate.h \
+   H5Bpublic.h \
+   H5HGprivate.h \
+   H5HGpublic.h \
+   H5Tprivate.h \
+   H5Tpublic.h
diff --git a/src/H5D.c b/src/H5D.c
index a6621af..1a88560 100644
--- a/src/H5D.c
+++ b/src/H5D.c
@@ -753,7 +753,8 @@ H5Dextend (hid_t dset_id, const hsize_t *size)
  * Errors:
  *		DATASET	  CANTINIT	Can't update dataset header. 
  *		DATASET	  CANTINIT	Problem with the dataset name. 
- *		DATASET	  CANTINIT	Fail in file space allocation for chunks");
+ *		DATASET	  CANTINIT	Fail in file space allocation for
+ *					chunks
  *
  * Programmer:	Robb Matzke
  *		Thursday, December  4, 1997
@@ -762,6 +763,9 @@ H5Dextend (hid_t dset_id, const hsize_t *size)
  *	Robb Matzke, 9 Jun 1998
  *	The data space message is no longer cached in the dataset struct.
  *
+ * 	Robb Matzke, 27 Jul 1998
+ *	Added the MTIME message to the dataset object header.
+ *
  *-------------------------------------------------------------------------
  */
 H5D_t *
@@ -896,6 +900,14 @@ H5D_create(H5G_t *loc, const char *name, const H5T_t *type, const H5S_t *space,
 	HGOTO_ERROR (H5E_DATASET, H5E_CANTINIT, NULL,
 		     "unable to update compression header message");
     }
+
+    /*
+     * Add a modification time message.
+     */
+    if (H5O_touch(&(new_dset->ent), TRUE)<0) {
+	HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL,
+		    "unable to update modification time message");
+    }
     
     /*
      * Initialize storage.  We assume that external storage is already
@@ -1597,6 +1609,11 @@ H5D_write(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space,
     HDmemset(&bkg_iter,0,sizeof(H5S_sel_iter_t));
     HDmemset(&file_iter,0,sizeof(H5S_sel_iter_t));
 
+    if (0==(dataset->ent.file->intent & H5F_ACC_RDWR)) {
+	HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL,
+		    "no write intent on file");
+    }
+
     if (!file_space) {
 	if (NULL==(free_this_space=H5S_read (&(dataset->ent)))) {
 	    HGOTO_ERROR (H5E_DATASET, H5E_CANTINIT, FAIL,
@@ -1849,6 +1866,14 @@ H5D_write(H5D_t *dataset, const H5T_t *mem_type, const H5S_t *mem_space,
         }
     }
 
+    /*
+     * Update modification time.  We have to do this explicitly because
+     * writing to a dataset doesn't necessarily change the object header.
+     */
+    if (H5O_touch(&(dataset->ent), FALSE)<0) {
+	HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL,
+		    "unable to update modification time");
+    }
 
  succeed:
     ret_value = SUCCEED;
diff --git a/src/H5G.c b/src/H5G.c
index c875814..75ce590 100644
--- a/src/H5G.c
+++ b/src/H5G.c
@@ -1982,10 +1982,16 @@ H5G_stat (H5G_t *loc, const char *name, hbool_t follow_link,
     if (statbuf) {
 	if (H5G_CACHED_SLINK!=obj_ent.type) {
 	    statbuf->objno[0] = (unsigned long)(obj_ent.header.offset);
-	    statbuf->objno[1] = (unsigned long)(obj_ent.header.offset >>
-						8*sizeof(long));
+	    if (sizeof(obj_ent.header.offset)>sizeof(long)) {
+		statbuf->objno[1] = (unsigned long)(obj_ent.header.offset >>
+						    8*sizeof(long));
+	    }
 	    statbuf->nlink = H5O_link (&obj_ent, 0);
 	    statbuf->type = H5G_LINK;
+	    if (NULL==H5O_read(&obj_ent, H5O_MTIME, 0, &(statbuf->mtime))) {
+		H5E_clear();
+		statbuf->mtime = 0;
+	    }
 	} else {
 	    if (NULL==H5O_read (&grp_ent, H5O_STAB, 0, &stab_mesg) ||
 		NULL==(s=H5HL_peek (grp_ent.file, &(stab_mesg.heap_addr), 
diff --git a/src/H5Gpublic.h b/src/H5Gpublic.h
index 217ad7e..f4de521 100644
--- a/src/H5Gpublic.h
+++ b/src/H5Gpublic.h
@@ -42,11 +42,12 @@ typedef enum H5G_link_t {
 
 /* Information about an object */
 typedef struct H5G_stat_t {
-    unsigned long fileno[2];
-    unsigned long objno[2];
-    unsigned nlink;
-    int type;
-    size_t linklen;
+    unsigned long 	fileno[2];	/*file number			*/
+    unsigned long 	objno[2];	/*object number			*/
+    unsigned 		nlink;		/*number of hard links to object*/
+    int 		type;		/*basic object type		*/
+    time_t		mtime;		/*modification time		*/
+    size_t		linklen;	/*symbolic link value length	*/
 } H5G_stat_t;
     
 
diff --git a/src/H5O.c b/src/H5O.c
index dde5917..c3bb495 100644
--- a/src/H5O.c
+++ b/src/H5O.c
@@ -35,6 +35,7 @@ static intn H5O_alloc(H5F_t *f, H5O_t *oh, const H5O_class_t *type,
 		      size_t size);
 static intn H5O_alloc_extend_chunk(H5O_t *oh, intn chunkno, size_t size);
 static intn H5O_alloc_new_chunk(H5F_t *f, H5O_t *oh, size_t size);
+static herr_t H5O_touch_oh(H5F_t *f, H5O_t *oh, hbool_t force);
 
 /* H5O inherits cache-like properties from H5AC */
 static const H5AC_class_t H5AC_OHDR[1] = {{
@@ -64,7 +65,7 @@ static const H5O_class_t *const message_type_g[] = {
     H5O_COMPRESS,	/*0x000B Data storage -- compressed object	*/
     H5O_ATTR,		/*0x000C Attribute list				*/
     H5O_NAME,		/*0x000D Object name				*/
-    NULL,		/*0x000E Object modification date and time	*/
+    H5O_MTIME,		/*0x000E Object modification date and time	*/
     NULL,		/*0x000F Shared header message			*/
     H5O_CONT,		/*0x0010 Object header continuation		*/
     H5O_STAB,		/*0x0011 Symbol table				*/
@@ -1235,6 +1236,9 @@ H5O_modify(H5G_entry_t *ent, const H5O_class_t *type, intn overwrite,
 			"unable to copy message to object header");
 	}
     }
+
+    /* Update the modification time message if any */
+    H5O_touch_oh(ent->file, oh, FALSE);
     
     oh->mesg[idx].flags = flags;
     oh->mesg[idx].dirty = TRUE;
@@ -1252,6 +1256,126 @@ H5O_modify(H5G_entry_t *ent, const H5O_class_t *type, intn overwrite,
 
 
 /*-------------------------------------------------------------------------
+ * Function:	H5O_touch_oh
+ *
+ * Purpose:	If FORCE is non-zero then create a modification time message
+ *		unless one already exists.  Then update any existing
+ *		modification time message with the current time.
+ *
+ * Return:	Success:	SUCCEED
+ *
+ *		Failure:	FAIL
+ *
+ * Programmer:	Robb Matzke
+ *              Monday, July 27, 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O_touch_oh(H5F_t *f, H5O_t *oh, hbool_t force)
+{
+    intn	idx;
+    time_t	now = time(NULL);
+    size_t	size;
+    
+    FUNC_ENTER(H5O_touch_oh, FAIL);
+    assert(oh);
+
+    /* Look for existing message */
+    for (idx=0; idx<oh->nmesgs; idx++) {
+	if (H5O_MTIME==oh->mesg[idx].type) break;
+    }
+
+    /* Create a new message */
+    if (idx==oh->nmesgs) {
+	if (!force) HRETURN(SUCCEED); /*nothing to do*/
+	size = (H5O_MTIME->raw_size)(f, &now);
+	size = H5O_ALIGN(size);
+	if ((idx=H5O_alloc(f, oh, H5O_MTIME, size))<0) {
+	    HRETURN_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL,
+			  "unable to allocate space for modification time "
+			  "message");
+	}
+    }
+
+    /* Update the native part */
+    if (NULL==oh->mesg[idx].native) {
+	if (NULL==(oh->mesg[idx].native = H5MM_malloc(sizeof(time_t)))) {
+	    HRETURN_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL,
+			  "memory allocation failed for modification time "
+			  "message");
+	}
+    }
+    *((time_t*)(oh->mesg[idx].native)) = now;
+    oh->mesg[idx].dirty = TRUE;
+    oh->dirty = TRUE;
+
+    FUNC_LEAVE(SUCCEED);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:	H5O_touch
+ *
+ * Purpose:	Touch an object by setting the modification time to the
+ *		current time and marking the object as dirty.  Unless FORCE
+ *		is non-zero, nothing happens if there is no MTIME message in
+ *		the object header.
+ *
+ * Return:	Success:	SUCCEED
+ *
+ *		Failure:	FAIL
+ *
+ * Programmer:	Robb Matzke
+ *              Monday, July 27, 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5O_touch(H5G_entry_t *ent, hbool_t force)
+{
+    H5O_t	*oh = NULL;
+    herr_t	ret_value = FAIL;
+    
+    FUNC_ENTER(H5O_touch, FAIL);
+
+    /* check args */
+    assert(ent);
+    assert(ent->file);
+    assert(H5F_addr_defined(&(ent->header)));
+    if (0==(ent->file->intent & H5F_ACC_RDWR)) {
+	HGOTO_ERROR(H5E_OHDR, H5E_WRITEERROR, FAIL,
+		    "no write intent on file");
+    }
+
+    /* Get the object header */
+    if (NULL==(oh=H5AC_protect(ent->file, H5AC_OHDR, &(ent->header),
+			       NULL, NULL))) {
+	HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL,
+		    "unable to load object header");
+    }
+
+    /* Create/Update the modification time message */
+    if (H5O_touch_oh(ent->file, oh, force)<0) {
+	HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL,
+		    "unable to update object modificaton time");
+    }
+    ret_value = SUCCEED;
+
+ done:
+    if (oh && H5AC_unprotect(ent->file, H5AC_OHDR, &(ent->header), oh)<0) {
+	HRETURN_ERROR(H5E_OHDR, H5E_PROTECT, FAIL,
+		      "unable to release object header");
+    }
+    FUNC_LEAVE(ret_value);
+}
+
+
+/*-------------------------------------------------------------------------
  * Function:	H5O_remove
  *
  * Purpose:	Removes the specified message from the object header.
@@ -1347,6 +1471,7 @@ H5O_remove(H5G_entry_t *ent, const H5O_class_t *type, intn sequence)
 	    oh->mesg[i].native = H5O_free (type, oh->mesg[i].native);
 	    oh->mesg[i].dirty = TRUE;
 	    oh->dirty = TRUE;
+	    H5O_touch_oh(ent->file, oh, FALSE);
 	}
     }
 
@@ -1789,6 +1914,7 @@ H5O_alloc(H5F_t *f, H5O_t *oh, const H5O_class_t *type, size_t size)
 	oh->mesg[null_idx].chunkno = oh->mesg[idx].chunkno;
 	oh->mesg[idx].raw_size = size;
     }
+
     /* initialize the new message */
     oh->mesg[idx].type = type;
     oh->mesg[idx].dirty = TRUE;
@@ -1996,16 +2122,17 @@ H5O_debug(H5F_t *f, const haddr_t *addr, FILE * stream, intn indent,
 	}
 	
 	/* decode the message */
-	if (NULL == oh->mesg[i].native && oh->mesg[i].type->decode) {
-	    if (oh->mesg[i].flags & H5O_FLAG_SHARED) {
-		decode = H5O_SHARED->decode;
-		debug = H5O_SHARED->debug;
-	    } else {
-		decode = oh->mesg[i].type->decode;
-		debug = oh->mesg[i].type->debug;
-	    }
-	    oh->mesg[i].native = (decode)(f, oh->mesg[i].raw, NULL);
+	if (oh->mesg[i].flags & H5O_FLAG_SHARED) {
+	    decode = H5O_SHARED->decode;
+	    debug = H5O_SHARED->debug;
 	} else {
+	    decode = oh->mesg[i].type->decode;
+	    debug = oh->mesg[i].type->debug;
+	}
+	if (NULL==oh->mesg[i].native && oh->mesg[i].type->decode) {
+	    oh->mesg[i].native = (decode)(f, oh->mesg[i].raw, NULL);
+	}
+	if (NULL==oh->mesg[i].native) {
 	    debug = NULL;
 	}
 	
diff --git a/src/H5Omtime.c b/src/H5Omtime.c
new file mode 100644
index 0000000..ae85abb
--- /dev/null
+++ b/src/H5Omtime.c
@@ -0,0 +1,316 @@
+/*
+ * Copyright © 1998 NCSA
+ *		    All rights reserved.
+ *
+ * Programmer:	Robb Matzke <matzke@llnl.gov>
+ *		Friday, July 24, 1998
+ *
+ * Purpose:	The object modification time message.
+ */
+#include <H5private.h>
+#include <H5Eprivate.h>
+#include <H5MMprivate.h>
+#include <H5Oprivate.h>
+
+#define PABLO_MASK	H5O_mtime_mask
+
+static void *H5O_mtime_decode(H5F_t *f, const uint8 *p, H5O_shared_t *sh);
+static herr_t H5O_mtime_encode(H5F_t *f, uint8 *p, const void *_mesg);
+static void *H5O_mtime_copy(const void *_mesg, void *_dest);
+static size_t H5O_mtime_size(H5F_t *f, const void *_mesg);
+static herr_t H5O_mtime_debug(H5F_t *f, const void *_mesg, FILE * stream,
+			     intn indent, intn fwidth);
+
+/* This message derives from H5O */
+const H5O_class_t H5O_MTIME[1] = {{
+    H5O_MTIME_ID,		/*message id number		*/
+    "mtime",			/*message name for debugging	*/
+    sizeof(time_t),		/*native message size		*/
+    H5O_mtime_decode,		/*decode message		*/
+    H5O_mtime_encode,		/*encode message		*/
+    H5O_mtime_copy,		/*copy the native value		*/
+    H5O_mtime_size,		/*raw message size		*/
+    NULL,			/*free internal memory		*/
+    NULL,			/*get share method		*/
+    NULL,			/*set share method		*/
+    H5O_mtime_debug,		/*debug the message		*/
+}};
+
+/* Interface initialization */
+static hbool_t interface_initialize_g = FALSE;
+#define INTERFACE_INIT	NULL
+
+
+/*-------------------------------------------------------------------------
+ * Function:	H5O_mtime_decode
+ *
+ * Purpose:	Decode a modification time message and return a pointer to a
+ *		new time_t value.
+ *
+ * Return:	Success:	Ptr to new message in native struct.
+ *
+ *		Failure:	NULL
+ *
+ * Programmer:	Robb Matzke
+ *		matzke@llnl.gov
+ *		Jul 24 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5O_mtime_decode(H5F_t __unused__ *f, const uint8 *p,
+		 H5O_shared_t __unused__ *sh)
+{
+    time_t	*mesg, the_time;
+    intn	i;
+    struct tm	tm;
+    static int	ncalls=0;
+
+    FUNC_ENTER(H5O_mtime_decode, NULL);
+
+    /* check args */
+    assert(f);
+    assert(p);
+    assert (!sh);
+
+    /* Initialize time zone information */
+    if (0==ncalls++) tzset();
+
+    /* decode */
+    for (i=0; i<14; i++) {
+	if (!isdigit(p[i])) {
+	    HRETURN_ERROR(H5E_OHDR, H5E_CANTINIT, NULL,
+			  "badly formatted modification time message");
+	}
+    }
+
+    /*
+     * Convert YYYYMMDDhhmmss UTC to a time_t.  This is a little problematic
+     * because mktime() operates on local times.  We convert to local time
+     * and then figure out the adjustment based on the local time zone and
+     * daylight savings setting.
+     */
+    memset(&tm, 0, sizeof tm);
+    tm.tm_year = (p[0]-'0')*1000 + (p[1]-'0')*100 +
+		 (p[2]-'0')*10 + (p[3]-'0') - 1900;
+    tm.tm_mon = (p[4]-'0')*10 + (p[5]-'0') - 1;
+    tm.tm_mday = (p[6]-'0')*10 + (p[7]-'0');
+    tm.tm_hour = (p[8]-'0')*10 + (p[9]-'0');
+    tm.tm_min = (p[10]-'0')*10 + (p[11]-'0');
+    tm.tm_sec = (p[12]-'0')*10 + (p[13]-'0');
+    tm.tm_isdst = -1; /*figure it out*/
+    if ((time_t)-1==(the_time=mktime(&tm))) {
+	HRETURN_ERROR(H5E_OHDR, H5E_CANTINIT, NULL,
+		      "badly formatted modification time message");
+    }
+
+#if defined(HAVE_TM_GMTOFF)
+    /* FreeBSD, OSF 4.0 */
+    the_time += tm.tm_gmtoff;
+#elif defined(HAVE_TIMEZONE)
+    /* Linux */
+    the_time -= timezone - (tm.tm_isdst?3600:0);
+#elif defined(HAVE_BSDGETTIMEOFDAY) && defined(HAVE_STRUCT_TIMEZONE)
+    /* Irix5.3 */
+    {
+	struct timezone tz;
+	if (BSDgettimeofday(NULL, &tz)<0) {
+	    HRETURN_ERROR(H5E_OHDR, H5E_CANTINIT, NULL,
+			  "unable to obtain local timezone information");
+	}
+	the_time -= tz.tz_minuteswest*60 - (tm.tm_idst?3600:0);
+    }
+#elif defined(HAVE_GETTIMEOFDAY) && defined(HAVE_STRUCT_TIMEZONE)
+    {
+	struct timezone tz;
+	if (gettimeofday(NULL, &tz)<0) {
+	    HRETURN_ERROR(H5E_OHDR, H5E_CANTINIT, NULL,
+			  "unable to obtain local timezone information");
+	}
+	the_time -= tz.tz_minuteswest*60 - (tm.tm_isdst?3600:0);
+    }
+#else
+    /*
+     * The catch-all.  If we can't convert a character string universal
+     * coordinated time to a time_t value reliably then we can't decode the
+     * modification time message. This really isn't as bad as it sounds --
+     * the only way a user can get the modification time is from H5Gstat()
+     * and H5G_stat() can gracefully recover.
+     */
+
+    /* Irix64 */
+    HRETURN_ERROR(H5E_OHDR, H5E_CANTINIT, NULL,
+		  "unable to obtain local timezone information");
+#endif
+    
+    /* The return value */
+    if (NULL==(mesg = H5MM_calloc(sizeof(time_t)))) {
+	HRETURN_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL,
+		       "memory allocation failed");
+    }
+    *mesg = the_time;
+
+    FUNC_LEAVE((void*)mesg);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:	H5O_mtime_encode
+ *
+ * Purpose:	Encodes a modification time message.
+ *
+ * Return:	Success:	SUCCEED
+ *
+ *		Failure:	FAIL
+ *
+ * Programmer:	Robb Matzke
+ *		matzke@llnl.gov
+ *		Jul 24 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O_mtime_encode(H5F_t __unused__ *f, uint8 *p, const void *_mesg)
+{
+    const time_t	*mesg = (const time_t *) _mesg;
+    struct tm		*tm;
+    
+
+    FUNC_ENTER(H5O_mtime_encode, FAIL);
+
+    /* check args */
+    assert(f);
+    assert(p);
+    assert(mesg);
+
+    /* encode */
+    tm = gmtime(mesg);
+    sprintf(p, "%04d%02d%02d%02d%02d%02d",
+	    1900+tm->tm_year, 1+tm->tm_mon, tm->tm_mday,
+	    tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+    FUNC_LEAVE(SUCCEED);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:	H5O_mtime_copy
+ *
+ * Purpose:	Copies a message from _MESG to _DEST, allocating _DEST if
+ *		necessary.
+ *
+ * Return:	Success:	Ptr to _DEST
+ *
+ *		Failure:	NULL
+ *
+ * Programmer:	Robb Matzke
+ *		matzke@llnl.gov
+ *		Jul 24 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5O_mtime_copy(const void *_mesg, void *_dest)
+{
+    const time_t	*mesg = (const time_t *) _mesg;
+    time_t		*dest = (time_t *) _dest;
+
+    FUNC_ENTER(H5O_mtime_copy, NULL);
+
+    /* check args */
+    assert(mesg);
+    if (!dest && NULL==(dest = H5MM_calloc(sizeof(time_t)))) {
+	HRETURN_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL,
+		       "memory allocation failed");
+    }
+    
+    /* copy */
+    *dest = *mesg;
+
+    FUNC_LEAVE((void *) dest);
+}
+
+/*-------------------------------------------------------------------------
+ * Function:	H5O_mtime_size
+ *
+ * Purpose:	Returns the size of the raw message in bytes not
+ *		counting the message type or size fields, but only the data
+ *		fields.	 This function doesn't take into account
+ *		alignment.
+ *
+ * Return:	Success:	Message data size in bytes w/o alignment.
+ *
+ *		Failure:	FAIL
+ *
+ * Programmer:	Robb Matzke
+ *		matzke@llnl.gov
+ *		Jul 14 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static size_t
+H5O_mtime_size(H5F_t __unused__ *f, const void __unused__ *mesg)
+{
+    FUNC_ENTER(H5O_mtime_size, 0);
+
+    /* check args */
+    assert(f);
+    assert(mesg);
+
+    FUNC_LEAVE(16);
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function:	H5O_mtime_debug
+ *
+ * Purpose:	Prints debugging info for the message.
+ *
+ * Return:	Success:	SUCCEED
+ *
+ *		Failure:	FAIL
+ *
+ * Programmer:	Robb Matzke
+ *		matzke@llnl.gov
+ *		Jul 24 1998
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5O_mtime_debug(H5F_t __unused__ *f, const void *_mesg, FILE *stream,
+		intn indent, intn fwidth)
+{
+    const time_t	*mesg = (const time_t *)_mesg;
+    struct tm		*tm;
+    char		buf[128];
+    
+    FUNC_ENTER(H5O_mtime_debug, FAIL);
+
+    /* check args */
+    assert(f);
+    assert(mesg);
+    assert(stream);
+    assert(indent >= 0);
+    assert(fwidth >= 0);
+
+    /* debug */
+    tm = localtime(mesg);
+
+    
+    strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S %z", tm);
+    fprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
+	    "Time:", buf);
+
+    FUNC_LEAVE(SUCCEED);
+}
+
diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h
index 7f6cabb..92ba11a 100644
--- a/src/H5Oprivate.h
+++ b/src/H5Oprivate.h
@@ -200,6 +200,12 @@ typedef struct H5O_name_t {
 } H5O_name_t;
 
 /*
+ * Modification time message.  The message is just a `time_t'.
+ */
+#define H5O_MTIME_ID	0x000e
+extern const H5O_class_t H5O_MTIME[1];
+
+/*
  * Shared object message.  This message ID never really appears in an object
  * header.  Instead, bit 2 of the `Flags' field will be set and the ID field
  * will be the ID of the pointed-to message.
@@ -253,6 +259,7 @@ void *H5O_read (H5G_entry_t *ent, const H5O_class_t *type, intn sequence,
 		void *mesg);
 intn H5O_modify (H5G_entry_t *ent, const H5O_class_t *type, intn overwrite,
 		 uintn flags, const void *mesg);
+herr_t H5O_touch(H5G_entry_t *ent, hbool_t force);
 herr_t H5O_remove (H5G_entry_t *ent, const H5O_class_t *type, intn sequence);
 herr_t H5O_reset (const H5O_class_t *type, void *native);
 void *H5O_free (const H5O_class_t *type, void *mesg);
diff --git a/src/H5T.c b/src/H5T.c
index bf0f03b..0d37c02 100644
--- a/src/H5T.c
+++ b/src/H5T.c
@@ -2639,8 +2639,8 @@ H5Tget_member_dims (hid_t type_id, int membno,
     /* Value */
     ndims = dt->u.compnd.memb[membno].ndims;
     for (i = 0; i < ndims; i++) {
-	if (dims[i]) dims[i] = dt->u.compnd.memb[membno].dim[i];
-	if (perm[i]) perm[i] = dt->u.compnd.memb[membno].perm[i];
+	if (dims) dims[i] = dt->u.compnd.memb[membno].dim[i];
+	if (perm) perm[i] = dt->u.compnd.memb[membno].perm[i];
     }
 
     FUNC_LEAVE(ndims);
@@ -2816,10 +2816,10 @@ H5Tinsert_array (hid_t parent_id, const char *name, size_t offset,
     if (!name || !*name) {
 	HRETURN_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no member name");
     }
-    if (ndims<1 || ndims>4) {
+    if (ndims<0 || ndims>4) {
 	HRETURN_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid dimensionality");
     }
-    if (!dim) {
+    if (ndims>0 && !dim) {
 	HRETURN_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no dimensions specified");
     }
     for (i=0; i<ndims; i++) {
diff --git a/src/H5config.h.in b/src/H5config.h.in
index 5feabff..5978d92 100644
--- a/src/H5config.h.in
+++ b/src/H5config.h.in
@@ -3,6 +3,13 @@
 /* Define to empty if the keyword does not work.  */
 #undef const
 
+/* Define if your struct tm has tm_zone.  */
+#undef HAVE_TM_ZONE
+
+/* Define if you don't have tm_zone but do have the external array
+   tzname.  */
+#undef HAVE_TZNAME
+
 /* Define as __inline if that's what the C compiler calls it.  */
 #undef inline
 
@@ -15,6 +22,9 @@
 /* Define if you have the ANSI C header files.  */
 #undef STDC_HEADERS
 
+/* Define if your <sys/time.h> declares struct tm.  */
+#undef TM_IN_SYS_TIME
+
 /* Define if your processor stores words with the most significant
    byte first (like Motorola and SPARC, unlike Intel and VAX).  */
 #undef WORDS_BIGENDIAN
@@ -34,6 +44,15 @@
 /* The width parameter for printf formats for type `long long', us. `ll' */
 #undef PRINTF_LL_WIDTH
 
+/* Define if `tm_gmtoff' is a member of `struct tm' */
+#undef HAVE_TM_GMTOFF
+
+/* Define if `timezone' is a global variable */
+#undef HAVE_TIMEZONE
+
+/* Define if `struct timezone' is defined */
+#undef HAVE_STRUCT_TIMEZONE
+
 /* The number of bytes in a double.  */
 #undef SIZEOF_DOUBLE
 
@@ -61,6 +80,9 @@
 /* The number of bytes in a size_t.  */
 #undef SIZEOF_SIZE_T
 
+/* Define if you have the BSDgettimeofday function.  */
+#undef HAVE_BSDGETTIMEOFDAY
+
 /* Define if you have the fork function.  */
 #undef HAVE_FORK
 
@@ -76,6 +98,9 @@
 /* Define if you have the getrusage function.  */
 #undef HAVE_GETRUSAGE
 
+/* Define if you have the gettimeofday function.  */
+#undef HAVE_GETTIMEOFDAY
+
 /* Define if you have the lseek64 function.  */
 #undef HAVE_LSEEK64
 
diff --git a/src/H5private.h b/src/H5private.h
index 2dac272..7f26ff3 100644
--- a/src/H5private.h
+++ b/src/H5private.h
@@ -32,11 +32,14 @@
  */
 #ifdef STDC_HEADERS
 #   include <assert.h>
+#   include <ctype.h>
 #   include <fcntl.h>
 #   include <stdio.h>
 #   include <stdlib.h>
 #   include <string.h>
+#   include <sys/time.h>
 #   include <sys/types.h>
+#   include <time.h>
 #   include <unistd.h>
 #endif
 
diff --git a/src/Makefile.in b/src/Makefile.in
index 4eaebdd..681e285 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -18,9 +18,9 @@ LIB_SRC=H5.c H5A.c H5AC.c H5B.c H5D.c H5E.c H5F.c H5Farray.c H5Fcore.c \
     H5Ffamily.c H5Fistore.c H5Flow.c H5Fmpio.c H5Fsec2.c H5Fsplit.c \
     H5Fstdio.c H5G.c H5Gent.c H5Gnode.c H5Gstab.c H5HG.c H5HL.c H5I.c H5MF.c \
     H5MM.c H5O.c H5Oattr.c H5Ocomp.c H5Ocont.c H5Odtype.c H5Oefl.c \
-    H5Olayout.c H5Oname.c H5Onull.c H5Osdspace.c H5Oshared.c H5Ostab.c H5P.c \
-    H5S.c H5Sall.c H5Shyper.c H5Spoint.c H5Ssimp.c H5Sselect.c H5T.c H5Tbit.c \
-    H5Tconv.c H5Tinit.c H5TB.c H5V.c H5Z.c 
+    H5Olayout.c H5Omtime.c H5Oname.c H5Onull.c H5Osdspace.c H5Oshared.c \
+    H5Ostab.c H5P.c H5S.c H5Sall.c H5Shyper.c H5Spoint.c H5Ssimp.c \
+    H5Sselect.c H5T.c H5Tbit.c H5Tconv.c H5Tinit.c H5TB.c H5V.c H5Z.c 
 
 LIB_OBJ=$(LIB_SRC:.c=.o)