[svn-r337] Changes since 19980403

----------------------

./configure.in
	Moved setting of compiler warning switches earlier in the file.
	Turned on more warning switches to gcc.

./config/linux
	Prints a warning if the gcc version is less than 2.8.1 since
	that version has problems with register allocation for `long
	long'.

./html/Datatypes.html
	Documented sharing of data types between datasets.

./src/H5G.c
./src/H5Gpublic.h
	Implemented H5Gmove(), H5Glink() and H5Gunlink() for hard
	links.  Still have soft links to do.

./src/H5AC.c
./src/H5ACprivate.h
./src/H5D.c
./src/H5E.c
./src/H5Eprivate.h
./src/H5F.c
./src/H5Farray.c
./src/H5Fcore.c
./src/H5Ffamily.c
./src/H5Fistore.c
./src/H5Flow.c
./src/H5Fprivate.h
./src/H5Fpublic.h
./src/H5Fsec2.c
./src/H5Fstdio.c
./src/H5G.c
./src/H5Gent.c
./src/H5Gnode.c
./src/H5Gpkg.h
./src/H5Gprivate.h
./src/H5HG.c
./src/H5HL.c
./src/H5HLprivate.h
./src/H5I.c
./src/H5Iprivate.h
./src/H5MM.c
./src/H5MMprivate.h
./src/H5O.c
./src/H5Oefl.c
./src/H5Oprivate.h
./src/H5Osdspace.c
./src/H5Oshared.c
./src/H5Ostab.c
./src/H5P.c
./src/H5S.c
./src/H5Ssimp.c
./src/H5T.c
./src/H5Tconv.c
./src/H5Tprivate.h
./src/H5Tpublic.h
./src/H5V.c
./src/H5Vprivate.h
./src/H5detect.c
./src/h5ls.c
./test/cmpd_dset.c
./test/dsets.c
./test/external.c
./test/hyperslab.c
./test/iopipe.c
./test/istore.c
./test/shtype.c
./test/tstab.c
	Fixed comparisons between signed and unsigned values. Fixed
	warnings about unused function arguments.

1 files changed, 4 insertions, 3 deletions

diff --git a/src/H5HG.c b/src/H5HG.c
index 176c687..f457839 100644
--- a/src/H5HG.c
+++ b/src/H5HG.c
@@ -131,7 +131,7 @@ H5HG_create (H5F_t *f, size_t size)
     UINT16ENCODE (p, 0);	/*object ID*/
     UINT16ENCODE (p, 0);	/*reference count*/
     H5F_encode_length (f, p, heap->obj[0].size);
-    HDmemset (p, 0, (heap->chunk+heap->nalloc) - p);
+    HDmemset (p, 0, (size_t)((heap->chunk+heap->nalloc) - p));
 
     /* Add the heap to the cache */
     if (H5AC_set (f, H5AC_GHEAP, &addr, heap)<0) {
@@ -845,7 +845,8 @@ herr_t
 H5HG_debug(H5F_t *f, const haddr_t *addr, FILE *stream, intn indent,
 	  intn fwidth)
 {
-    int			i, j, k, nused, maxobj;
+    int			i, nused, maxobj;
+    uintn		j, k;
     H5HG_heap_t		*h = NULL;
     char		buf[64];
     size_t		size;
@@ -855,7 +856,7 @@ H5HG_debug(H5F_t *f, const haddr_t *addr, FILE *stream, intn indent,
 
     /* check arguments */
     assert(f);
-    if (addr && H5F_addr_defined (addr));
+    assert(addr && H5F_addr_defined (addr));
     assert(stream);
     assert(indent >= 0);
     assert(fwidth >= 0);