[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, 2 insertions, 2 deletions

diff --git a/test/iopipe.c b/test/iopipe.c
index 4d856b9..640b2d3 100644
--- a/test/iopipe.c
+++ b/test/iopipe.c
@@ -213,7 +213,7 @@ main (void)
 	offset = lseek (fd, 0, SEEK_SET);
 	assert (0==offset);
 	n = write (fd, the_data, size[0]*size[1]);
-	assert (n==size[0]*size[1]);
+	assert (n>=0 && (size_t)n==size[0]*size[1]);
     }
     getrusage (RUSAGE_SELF, &r_stop);
     gettimeofday (&t_stop, NULL);
@@ -252,7 +252,7 @@ main (void)
 	offset = lseek (fd, 0, SEEK_SET);
 	assert (0==offset);
 	n = read (fd, the_data, size[0]*size[1]);
-	assert (n==size[0]*size[1]);
+	assert (n>=0 && (size_t)n==size[0]*size[1]);
     }
     getrusage (RUSAGE_SELF, &r_stop);
     gettimeofday (&t_stop, NULL);