[svn-r800] Made a "htri_t" as a return value from "boolean" functions returning

TRUE/FALSE/FAIL, hbool_t is now strictly for true boolean values.

22 files changed, 73 insertions, 72 deletions

diff --git a/src/H5F.c b/src/H5F.c
index f5a679c..21a26df 100644
--- a/src/H5F.c
+++ b/src/H5F.c
@@ -444,7 +444,7 @@ H5F_locate_signature(H5F_low_t *f_handle, const H5F_access_t *access_parms,
     Check the file signature to detect an HDF5 file.
 
  USAGE
-    hbool_t H5Fis_hdf5(filename)
+    htri_t H5Fis_hdf5(filename)
 	const char *filename;	IN: Name of the file to check
  ERRORS
     ARGS      BADRANGE	    No filename specified. 
@@ -460,7 +460,7 @@ H5F_locate_signature(H5F_low_t *f_handle, const H5F_access_t *access_parms,
  DESCRIPTION
     This function determines if a file is an HDF5 format file.
 --------------------------------------------------------------------------*/
-hbool_t
+htri_t
 H5Fis_hdf5(const char *filename)
 {
     H5F_low_t	*f_handle = NULL;	/* file handle */
diff --git a/src/H5Fcore.c b/src/H5Fcore.c
index 49c41a9..dfc02bb 100644
--- a/src/H5Fcore.c
+++ b/src/H5Fcore.c
@@ -25,7 +25,7 @@
 static hbool_t		interface_initialize_g = FALSE;
 #define INTERFACE_INIT NULL
 
-static hbool_t H5F_core_access(const char *name,
+static htri_t H5F_core_access(const char *name,
 			       const H5F_access_t *access_parms, int mode,
 			       H5F_search_t *key/*out*/);
 static H5F_low_t *H5F_core_open(const char *name,
@@ -69,7 +69,7 @@ const H5F_low_class_t	H5F_LOW_CORE_g[1] = {{
  *
  *-------------------------------------------------------------------------
  */
-static hbool_t
+static htri_t
 H5F_core_access(const char __unused__*name,
 		const H5F_access_t __unused__ *access_parms,
 		int __unused__ mode, H5F_search_t __unused__ *key/*out*/)
diff --git a/src/H5Ffamily.c b/src/H5Ffamily.c
index db8f0ea..d5d06eb 100644
--- a/src/H5Ffamily.c
+++ b/src/H5Ffamily.c
@@ -35,7 +35,7 @@ static hbool_t		interface_initialize_g = FALSE;
 #define H5F_FAM_MEMBNO(LF,ADDR)	((intn)((ADDR)->offset /		     \
 					(LF)->u.fam.memb_size.offset))
 
-static hbool_t H5F_fam_access(const char *name,
+static htri_t H5F_fam_access(const char *name,
 			      const H5F_access_t *access_parms, int mode,
 			      H5F_search_t *key/*out*/);
 static H5F_low_t *H5F_fam_open(const char *name,
@@ -564,14 +564,14 @@ H5F_fam_flush(H5F_low_t *lf, const H5F_access_t *access_parms)
  *
  *-------------------------------------------------------------------------
  */
-static hbool_t
+static htri_t
 H5F_fam_access(const char *name, const H5F_access_t *access_parms,
 	       int mode, H5F_search_t *key/*out*/)
 {
     intn			membno;
     char			member_name[4096];
-    hbool_t			status;
-    hbool_t			ret_value = FALSE;
+    htri_t			status;
+    htri_t			ret_value = FALSE;
     const H5F_low_class_t	*memb_type = NULL;
 
     FUNC_ENTER(H5F_fam_access, FAIL);
diff --git a/src/H5Flow.c b/src/H5Flow.c
index 59a2425..cad16a6 100644
--- a/src/H5Flow.c
+++ b/src/H5Flow.c
@@ -477,12 +477,12 @@ H5F_low_size(H5F_low_t *lf, haddr_t *eof/*out*/)
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5F_low_access(const H5F_low_class_t *type, const char *name,
 	       const H5F_access_t *access_parms, int mode,
 	       H5F_search_t *key/*out*/)
 {
-    hbool_t		    ret_value;
+    htri_t		    ret_value;
     struct stat		    sb;
 
     FUNC_ENTER(H5F_low_size, FAIL);
@@ -708,7 +708,7 @@ H5F_addr_undef(haddr_t *addr/*out*/)
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5F_addr_defined(const haddr_t *addr)
 {
     FUNC_ENTER(H5F_addr_defined, FAIL);
@@ -752,7 +752,7 @@ H5F_addr_reset(haddr_t *addr/*out*/)
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5F_addr_zerop(const haddr_t *addr)
 {
     FUNC_ENTER(H5F_addr_zerop, FAIL);
diff --git a/src/H5Fmpio.c b/src/H5Fmpio.c
index b47188c..55080dc 100644
--- a/src/H5Fmpio.c
+++ b/src/H5Fmpio.c
@@ -99,7 +99,7 @@ static int H5F_mpio_Debug[256] =
           0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
 #endif
 
-static hbool_t H5F_mpio_access(const char *name,
+static htri_t H5F_mpio_access(const char *name,
 			       const H5F_access_t *access_parms, int mode,
 			       H5F_search_t *key/*out*/);
 static H5F_low_t *H5F_mpio_open(const char *name,
@@ -109,7 +109,7 @@ static herr_t H5F_mpio_close(H5F_low_t *lf, const H5F_access_t *access_parms);
 static herr_t H5F_mpio_read(H5F_low_t *lf, H5F_access_t *access_parms,
 			    const H5D_transfer_t xfer_mode,
 			    const haddr_t *addr, size_t size, uint8 *buf/*out*/);
-hbool_t H5F_mpio_tas_allsame(H5F_low_t *lf, hbool_t newval );
+htri_t H5F_mpio_tas_allsame(H5F_low_t *lf, hbool_t newval );
 static herr_t H5F_mpio_write(H5F_low_t *lf, H5F_access_t *access_parms,
 			     const H5D_transfer_t xfer_mode,
 			     const haddr_t *addr, size_t size, const uint8 *buf);
@@ -195,11 +195,11 @@ ino_t mpio_inode_num = 0;      /* fake "inode" number */
  *
  *-------------------------------------------------------------------------
  */
-static hbool_t
+static htri_t
 H5F_mpio_access(const char *name, const H5F_access_t *access_parms, int mode,
 		H5F_search_t *key/*out*/)
 {
-    hbool_t		   ret_val = FALSE;
+    htri_t		   ret_val = FALSE;
     MPI_File		   fh;
     int			   mpierr;
     int			   mpi_mode;
@@ -649,7 +649,7 @@ H5F_mpio_read(H5F_low_t *lf, H5F_access_t *access_parms,
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5F_mpio_tas_allsame(H5F_low_t *lf, hbool_t newval )
 {
     hbool_t		oldval;
diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h
index 4b42665..ec37e56 100644
--- a/src/H5Fprivate.h
+++ b/src/H5Fprivate.h
@@ -312,7 +312,7 @@ typedef struct H5MF_free_t {
  * Define the low-level file interface.
  */
 typedef struct H5F_low_class_t {
-    hbool_t	(*access)(const char *name, const H5F_access_t *access_parms,
+    htri_t	(*access)(const char *name, const H5F_access_t *access_parms,
 			  int mode, H5F_search_t *key/*out*/);
     struct H5F_low_t *(*open)(const char *name,
 			      const H5F_access_t *access_parms, uintn flags,
@@ -611,7 +611,7 @@ herr_t H5F_low_seteof(H5F_low_t *lf, const haddr_t *addr);
 intn H5F_low_alloc (H5F_low_t *lf, intn op, hsize_t alignment,
 		    hsize_t threshold, hsize_t size, H5MF_free_t *blk,
 		    haddr_t *addr/*out*/);
-hbool_t H5F_low_access(const H5F_low_class_t *type, const char *name,
+htri_t H5F_low_access(const H5F_low_class_t *type, const char *name,
 		       const H5F_access_t *access_parms, int mode,
 		       H5F_search_t *key);
 H5F_low_t *H5F_low_open(const H5F_low_class_t *type, const char *name,
@@ -636,10 +636,10 @@ herr_t H5F_low_flush(H5F_low_t *lf, const H5F_access_t *access_parms);
 #define H5F_addr_ge(A1,A2) (H5F_addr_cmp(A1,A2)>=0)
 
 intn H5F_addr_cmp(const haddr_t *, const haddr_t *);
-hbool_t H5F_addr_defined(const haddr_t *);
+htri_t H5F_addr_defined(const haddr_t *);
 void H5F_addr_undef(haddr_t *);
 void H5F_addr_reset(haddr_t *);
-hbool_t H5F_addr_zerop(const haddr_t *);
+htri_t H5F_addr_zerop(const haddr_t *);
 void H5F_addr_encode(H5F_t *, uint8 **, const haddr_t *);
 void H5F_addr_decode(H5F_t *, const uint8 **, haddr_t *);
 void H5F_addr_print(FILE *, const haddr_t *);
@@ -651,7 +651,7 @@ uintn H5F_addr_hash(const haddr_t *, uintn mod);
 
 /* Functions for MPI-IO */
 #ifdef HAVE_PARALLEL
-hbool_t H5F_mpio_tas_allsame(H5F_low_t *lf, hbool_t newval );
+htri_t H5F_mpio_tas_allsame(H5F_low_t *lf, hbool_t newval );
 #endif /* HAVE_PARALLEL */
 
 #endif
diff --git a/src/H5Fpublic.h b/src/H5Fpublic.h
index 239b321..42717ca 100644
--- a/src/H5Fpublic.h
+++ b/src/H5Fpublic.h
@@ -83,7 +83,7 @@ extern "C" {
 #endif
 
 /* Functions in H5F.c */
-hbool_t H5Fis_hdf5 (const char *filename);
+htri_t H5Fis_hdf5 (const char *filename);
 hid_t H5Fcreate (const char *filename, unsigned flags, hid_t create_plist,
                  hid_t access_plist);
 hid_t H5Fopen (const char *filename, unsigned flags, hid_t access_plist);
diff --git a/src/H5Fsplit.c b/src/H5Fsplit.c
index b3fcc10..e63ed72 100644
--- a/src/H5Fsplit.c
+++ b/src/H5Fsplit.c
@@ -25,7 +25,7 @@
 static hbool_t interface_initialize_g = FALSE;
 #define INTERFACE_INIT NULL
 
-static hbool_t H5F_split_access(const char *name,
+static htri_t H5F_split_access(const char *name,
 				const H5F_access_t *access_parms, int mode,
 				H5F_search_t *key/*out*/);
 static H5F_low_t *H5F_split_open(const char *name,
@@ -342,12 +342,12 @@ H5F_split_flush(H5F_low_t *lf, const H5F_access_t *access_parms)
  *
  *-------------------------------------------------------------------------
  */
-static hbool_t
+static htri_t
 H5F_split_access(const char *name, const H5F_access_t *access_parms,
 		 int mode, H5F_search_t *key/*out*/)
 {
     char                   	 fullname[4096];
-    hbool_t                 	status;
+    htri_t                 	status;
     const char			*ext; /*file extension*/
     const H5F_low_class_t	*meta_type = NULL;
     const H5F_low_class_t	*raw_type = NULL;
diff --git a/src/H5S.c b/src/H5S.c
index b7c74f3..61359e4 100644
--- a/src/H5S.c
+++ b/src/H5S.c
@@ -1182,7 +1182,7 @@ H5S_cmp(const H5S_t *ds1, const H5S_t *ds2)
  PURPOSE
     Check if a dataspace is simple (internal)
  USAGE
-    hbool_t H5S_is_simple(sdim)
+    htri_t H5S_is_simple(sdim)
 	H5S_t *sdim;		IN: Pointer to dataspace object to query
  RETURNS
     TRUE/FALSE/FAIL
@@ -1190,10 +1190,10 @@ H5S_cmp(const H5S_t *ds1, const H5S_t *ds2)
 	This function determines the if a dataspace is "simple". ie. if it
     has orthogonal, evenly spaced dimensions.
 --------------------------------------------------------------------------*/
-hbool_t
+htri_t
 H5S_is_simple(const H5S_t *sdim)
 {
-    hbool_t		    ret_value = FAIL;
+    htri_t		    ret_value = FAIL;
 
     FUNC_ENTER(H5S_is_simple, FAIL);
 
@@ -1211,7 +1211,7 @@ H5S_is_simple(const H5S_t *sdim)
  PURPOSE
     Check if a dataspace is simple
  USAGE
-    hbool_t H5Sis_simple(space_id)
+    htri_t H5Sis_simple(space_id)
 	hid_t space_id;	      IN: ID of dataspace object to query
  RETURNS
     TRUE/FALSE/FAIL
@@ -1219,11 +1219,11 @@ H5S_is_simple(const H5S_t *sdim)
 	This function determines the if a dataspace is "simple". ie. if it
     has orthogonal, evenly spaced dimensions.
 --------------------------------------------------------------------------*/
-hbool_t
+htri_t
 H5Sis_simple(hid_t space_id)
 {
     H5S_t		   *space = NULL;	/* dataspace to modify */
-    hbool_t		    ret_value = FAIL;
+    htri_t		    ret_value = FAIL;
 
     FUNC_ENTER(H5Sis_simple, FAIL);
     H5TRACE1("b","i",space_id);
diff --git a/src/H5Shyper.c b/src/H5Shyper.c
index b5e383c..768201e 100644
--- a/src/H5Shyper.c
+++ b/src/H5Shyper.c
@@ -2585,7 +2585,7 @@ done:
     Check whether the selection fits within the extent, with the current
     offset defined.
  USAGE
-    hbool_t H5S_hyper_select_valid(space);
+    htri_t H5S_hyper_select_valid(space);
         H5S_t *space;             IN: Dataspace pointer to query
  RETURNS
     TRUE if the selection fits within the extent, FALSE if it does not and
@@ -2598,12 +2598,12 @@ done:
  EXAMPLES
  REVISION LOG
 --------------------------------------------------------------------------*/
-hbool_t
+htri_t
 H5S_hyper_select_valid (const H5S_t *space)
 {
     H5S_hyper_node_t *curr;     /* Hyperslab information nodes */
     intn i;                     /* Counter */
-    hbool_t ret_value=TRUE;     /* return value */
+    htri_t ret_value=TRUE;     /* return value */
 
     FUNC_ENTER (H5S_hyper_select_valid, FAIL);
 
diff --git a/src/H5Spoint.c b/src/H5Spoint.c
index 560d0a2..d0c966a 100644
--- a/src/H5Spoint.c
+++ b/src/H5Spoint.c
@@ -788,7 +788,7 @@ done:
     Check whether the selection fits within the extent, with the current
     offset defined.
  USAGE
-    hbool_t H5S_point_select_valid(space);
+    htri_t H5S_point_select_valid(space);
         H5S_t *space;             IN: Dataspace pointer to query
  RETURNS
     TRUE if the selection fits within the extent, FALSE if it does not and
@@ -801,12 +801,12 @@ done:
  EXAMPLES
  REVISION LOG
 --------------------------------------------------------------------------*/
-hbool_t
+htri_t
 H5S_point_select_valid (const H5S_t *space)
 {
     H5S_pnt_node_t *curr;       /* Point information nodes */
     intn i;                     /* Counter */
-    hbool_t ret_value=TRUE;     /* return value */
+    htri_t ret_value=TRUE;     /* return value */
 
     FUNC_ENTER (H5S_point_select_valid, FAIL);
 
diff --git a/src/H5Sprivate.h b/src/H5Sprivate.h
index 550b8a7..9b920e3 100644
--- a/src/H5Sprivate.h
+++ b/src/H5Sprivate.h
@@ -300,7 +300,7 @@ intn H5S_get_simple_extent_dims (const H5S_t *ds, hsize_t dims[]/*out*/,
 herr_t H5S_modify (H5G_entry_t *ent, const H5S_t *space);
 H5S_t *H5S_read (H5G_entry_t *ent);
 intn H5S_cmp (const H5S_t *ds1, const H5S_t *ds2);
-hbool_t H5S_is_simple (const H5S_t *sdim);
+htri_t H5S_is_simple (const H5S_t *sdim);
 uintn H5S_nelem (const H5S_t *space);
 H5S_conv_t *H5S_find (const H5S_t *mem_space, const H5S_t *file_space);
 herr_t H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op,
@@ -320,7 +320,7 @@ hssize_t H5S_get_select_npoints (const H5S_t *space);
 intn H5S_extend (H5S_t *space, const hsize_t *size);
 herr_t H5S_set_extent_simple (H5S_t *space, int rank, const hsize_t *dims,
 			      const hsize_t *max);
-hbool_t H5S_select_valid (const H5S_t *space);
+htri_t H5S_select_valid (const H5S_t *space);
 herr_t H5S_debug(H5F_t *f, const void *_mesg, FILE *stream, intn indent,
 		 intn fwidth);
 herr_t H5S_register(H5S_sel_type cls, const H5S_fconv_t *fconv,
@@ -331,7 +331,7 @@ herr_t H5S_point_add (H5S_t *space, size_t num_elemn, const hssize_t **coord);
 herr_t H5S_point_release (H5S_t *space);
 hsize_t H5S_point_npoints (const H5S_t *space);
 herr_t H5S_point_copy (H5S_t *dst, const H5S_t *src);
-hbool_t H5S_point_select_valid (const H5S_t *space);
+htri_t H5S_point_select_valid (const H5S_t *space);
 
 /* "All" select functions */
 herr_t H5S_all_release (H5S_t *space);
@@ -345,7 +345,7 @@ hsize_t H5S_hyper_npoints (const H5S_t *space);
 int H5S_hyper_compare_regions (const void *r1, const void *r2);
 int H5S_hyper_compare_bounds (const void *r1, const void *r2);
 herr_t H5S_hyper_copy (H5S_t *dst, const H5S_t *src);
-hbool_t H5S_hyper_select_valid (const H5S_t *space);
+htri_t H5S_hyper_select_valid (const H5S_t *space);
 herr_t H5S_hyper_node_add (H5S_hyper_node_t **head, intn endflag, intn rank, const hssize_t *start, const hsize_t *size);
 herr_t H5S_hyper_clip (H5S_t *space, H5S_hyper_node_t *nodes, H5S_hyper_node_t **uniq, H5S_hyper_node_t **overlap);
 
diff --git a/src/H5Spublic.h b/src/H5Spublic.h
index bdf339a..fee1d00 100644
--- a/src/H5Spublic.h
+++ b/src/H5Spublic.h
@@ -63,7 +63,7 @@ hsize_t H5Sget_simple_extent_npoints (hid_t space_id);
 int H5Sget_simple_extent_ndims (hid_t space_id);
 int H5Sget_simple_extent_dims (hid_t space_id, hsize_t dims[],
 			       hsize_t maxdims[]);
-hbool_t H5Sis_simple (hid_t space_id);
+htri_t H5Sis_simple (hid_t space_id);
 herr_t H5Sset_space (hid_t space_id, int rank, const hsize_t *dims);
 hssize_t H5Sget_select_npoints (hid_t spaceid);
 herr_t H5Sselect_hyperslab (hid_t space_id, H5S_seloper_t op,
@@ -77,7 +77,7 @@ herr_t H5Sextent_copy (hid_t dst_id,hid_t src_id);
 herr_t H5Sselect_all (hid_t spaceid);
 herr_t H5Sselect_none (hid_t spaceid);
 herr_t H5Soffset_simple (hid_t space_id, const hssize_t *offset);
-hbool_t H5Sselect_valid (hid_t spaceid);
+htri_t H5Sselect_valid (hid_t spaceid);
 
 #ifdef __cplusplus
 }
diff --git a/src/H5Sselect.c b/src/H5Sselect.c
index 73e5a4d..bd7962f 100644
--- a/src/H5Sselect.c
+++ b/src/H5Sselect.c
@@ -845,7 +845,7 @@ H5S_sel_iter_release (const H5S_t *space, H5S_sel_iter_t *sel_iter)
     Check whether the selection fits within the extent, with the current
     offset defined.
  USAGE
-    hbool_t H5Sselect_void(dsid)
+    htri_t H5Sselect_void(dsid)
         hid_t dsid;             IN: Dataspace ID to query
  RETURNS
     TRUE if the selection fits within the extent, FALSE if it does not and
@@ -858,11 +858,11 @@ H5S_sel_iter_release (const H5S_t *space, H5S_sel_iter_t *sel_iter)
  EXAMPLES
  REVISION LOG
 --------------------------------------------------------------------------*/
-hbool_t
+htri_t
 H5Sselect_valid(hid_t spaceid)
 {
     H5S_t	*space = NULL;      /* Dataspace to modify selection of */
-    hbool_t ret_value=FAIL;     /* return value */
+    htri_t ret_value=FAIL;     /* return value */
 
     FUNC_ENTER (H5Sselect_valid, 0);
     H5TRACE1("b","i",spaceid);
@@ -885,7 +885,7 @@ H5Sselect_valid(hid_t spaceid)
     Check whether the selection fits within the extent, with the current
     offset defined.
  USAGE
-    hbool_t H5Sselect_void(space)
+    htri_t H5Sselect_void(space)
         H5S_t *space;             IN: Dataspace pointer to query
  RETURNS
     TRUE if the selection fits within the extent, FALSE if it does not and
@@ -898,10 +898,10 @@ H5Sselect_valid(hid_t spaceid)
  EXAMPLES
  REVISION LOG
 --------------------------------------------------------------------------*/
-hbool_t
+htri_t
 H5S_select_valid (const H5S_t *space)
 {
-    hbool_t ret_value=FAIL;  /* return value */
+    htri_t ret_value=FAIL;  /* return value */
 
     FUNC_ENTER (H5S_select_valid, FAIL);
 
diff --git a/src/H5T.c b/src/H5T.c
index 985bd05..916bc87 100644
--- a/src/H5T.c
+++ b/src/H5T.c
@@ -1010,7 +1010,7 @@ H5Tcommit(hid_t loc_id, const char *name, hid_t type_id)
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5Tcommitted(hid_t type_id)
 {
     H5T_t	*type = NULL;
@@ -1161,12 +1161,12 @@ H5Tclose(hid_t type_id)
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5Tequal(hid_t type1_id, hid_t type2_id)
 {
     const H5T_t		*dt1 = NULL;
     const H5T_t		*dt2 = NULL;
-    hbool_t		ret_value = FAIL;
+    htri_t		ret_value = FAIL;
 
     FUNC_ENTER(H5Tequal, FAIL);
     H5TRACE2("b","ii",type1_id,type2_id);
@@ -3820,7 +3820,7 @@ H5T_close(H5T_t *dt)
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5T_is_atomic(const H5T_t *dt)
 {
     FUNC_ENTER(H5T_is_atomic, FAIL);
diff --git a/src/H5Tbit.c b/src/H5Tbit.c
index 8b0b53b..74db048 100644
--- a/src/H5Tbit.c
+++ b/src/H5Tbit.c
@@ -328,7 +328,7 @@ H5T_bit_find (uint8 *buf, size_t offset, size_t size, H5T_sdir_t direction,
 	/* Beginning */
 	if (offset) {
 	    for (i=offset; i<8 && size>0; i++, size--) {
-		if (value==((buf[idx]>>i) & 0x01)) {
+		if (value==(hbool_t)((buf[idx]>>i) & 0x01)) {
 		    return 8*idx+i - base;
 		}
 	    }
@@ -339,7 +339,7 @@ H5T_bit_find (uint8 *buf, size_t offset, size_t size, H5T_sdir_t direction,
 	while (size>=8) {
 	    if ((value?0x00:0xff)!=buf[idx]) {
 		for (i=0; i<8; i++) {
-		    if (value==((buf[idx]>>i) & 0x01)) {
+		    if (value==(hbool_t)((buf[idx]>>i) & 0x01)) {
 			return 8*idx+i - base;
 		    }
 		}
@@ -349,7 +349,7 @@ H5T_bit_find (uint8 *buf, size_t offset, size_t size, H5T_sdir_t direction,
 	}
 	/* End */
 	for (i=0; i<(ssize_t)size; i++) {
-	    if (value==((buf[idx]>>i) & 0x01)) {
+	    if (value==(hbool_t)((buf[idx]>>i) & 0x01)) {
 		return 8*idx+i - base;
 	    }
 	}
@@ -363,7 +363,7 @@ H5T_bit_find (uint8 *buf, size_t offset, size_t size, H5T_sdir_t direction,
 	/* Beginning */
 	if (size>8-offset && (offset+size)%8) {
 	    for (i=(offset+size)%8-1; i>=0; --i, --size) {
-		if (value==((buf[idx]>>i) & 0x01)) {
+		if (value==(hbool_t)((buf[idx]>>i) & 0x01)) {
 		    return 8*idx+i - base;
 		}
 	    }
@@ -373,7 +373,7 @@ H5T_bit_find (uint8 *buf, size_t offset, size_t size, H5T_sdir_t direction,
 	while (size>=8) {
 	    if ((value?0x00:0xff)!=buf[idx]) {
 		for (i=7; i>=0; --i) {
-		    if (value==((buf[idx]>>i) & 0x01)) {
+		    if (value==(hbool_t)((buf[idx]>>i) & 0x01)) {
 			return 8*idx+i - base;
 		    }
 		}
@@ -384,7 +384,7 @@ H5T_bit_find (uint8 *buf, size_t offset, size_t size, H5T_sdir_t direction,
 	/* End */
 	if (size>0) {
 	    for (i=offset+size-1; i>=(ssize_t)offset; --i) {
-		if (value==((buf[idx]>>i) & 0x01)) {
+		if (value==(hbool_t)((buf[idx]>>i) & 0x01)) {
 		    return 8*idx+i - base;
 		}
 	    }
@@ -414,7 +414,7 @@ H5T_bit_find (uint8 *buf, size_t offset, size_t size, H5T_sdir_t direction,
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5T_bit_inc(uint8 *buf, size_t start, size_t size)
 {
     size_t	idx = start / 8;
diff --git a/src/H5Tpkg.h b/src/H5Tpkg.h
index 4930bd5..2c7621b 100644
--- a/src/H5Tpkg.h
+++ b/src/H5Tpkg.h
@@ -155,6 +155,6 @@ hsize_t H5T_bit_get_d (uint8 *buf, size_t offset, size_t size);
 void H5T_bit_set_d (uint8 *buf, size_t offset, size_t size, hsize_t val);
 ssize_t H5T_bit_find (uint8 *buf, size_t offset, size_t size,
 		      H5T_sdir_t direction, hbool_t value);
-hbool_t H5T_bit_inc(uint8 *buf, size_t start, size_t size);
+htri_t H5T_bit_inc(uint8 *buf, size_t start, size_t size);
 
 #endif
diff --git a/src/H5Tprivate.h b/src/H5Tprivate.h
index 7d22895..25d4f6d 100644
--- a/src/H5Tprivate.h
+++ b/src/H5Tprivate.h
@@ -52,7 +52,7 @@ herr_t H5T_lock (H5T_t *dt, hbool_t immutable);
 herr_t H5T_close (H5T_t *dt);
 size_t H5T_get_size (const H5T_t *dt);
 intn H5T_cmp (const H5T_t *dt1, const H5T_t *dt2);
-hbool_t H5T_is_atomic (const H5T_t *dt);
+htri_t H5T_is_atomic (const H5T_t *dt);
 herr_t H5T_insert (H5T_t *parent, const char *name, size_t offset,
                    intn ndims, const size_t *dim, const intn *perm,
 		   const H5T_t *member);
diff --git a/src/H5Tpublic.h b/src/H5Tpublic.h
index acf0510..8c7792e 100644
--- a/src/H5Tpublic.h
+++ b/src/H5Tpublic.h
@@ -377,10 +377,10 @@ hid_t H5Topen (hid_t loc_id, const char *name);
 hid_t H5Tcreate (H5T_class_t type, size_t size);
 hid_t H5Tcopy (hid_t type_id);
 herr_t H5Tclose (hid_t type_id);
-hbool_t H5Tequal (hid_t type1_id, hid_t type2_id);
+htri_t H5Tequal (hid_t type1_id, hid_t type2_id);
 herr_t H5Tlock (hid_t type_id);
 herr_t H5Tcommit (hid_t loc_id, const char *name, hid_t type_id);
-hbool_t H5Tcommitted (hid_t type_id);
+htri_t H5Tcommitted (hid_t type_id);
 
 /* Operations defined on compound data types */
 herr_t H5Tinsert (hid_t parent_id, const char *name, size_t offset,
diff --git a/src/H5V.c b/src/H5V.c
index c4ffa7f..4a916ab 100644
--- a/src/H5V.c
+++ b/src/H5V.c
@@ -200,7 +200,7 @@ H5V_hyper_stride(intn n, const hsize_t *size,
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5V_hyper_eq(intn n,
 	     const hssize_t *offset1, const hsize_t *size1,
 	     const hssize_t *offset2, const hsize_t *size2)
@@ -241,7 +241,7 @@ H5V_hyper_eq(intn n,
  *
  *-------------------------------------------------------------------------
  */
-hbool_t
+htri_t
 H5V_hyper_disjointp(intn n,
 		    const hssize_t *offset1, const hsize_t *size1,
 		    const hssize_t *offset2, const hsize_t *size2)
diff --git a/src/H5Vprivate.h b/src/H5Vprivate.h
index 0f29e7e..cfcc5be 100644
--- a/src/H5Vprivate.h
+++ b/src/H5Vprivate.h
@@ -42,10 +42,10 @@
 hsize_t H5V_hyper_stride(intn n, const hsize_t *size,
 			 const hsize_t *total_size, const hssize_t *offset,
 			 hssize_t *stride);
-hbool_t H5V_hyper_disjointp(intn n, const hssize_t *offset1,
+htri_t H5V_hyper_disjointp(intn n, const hssize_t *offset1,
 			    const hsize_t *size1, const hssize_t *offset2,
 			    const hsize_t *size2);
-hbool_t H5V_hyper_eq(intn n, const hssize_t *offset1, const hsize_t *size1,
+htri_t H5V_hyper_eq(intn n, const hssize_t *offset1, const hsize_t *size1,
 		     const hssize_t *offset2, const hsize_t *size2);
 herr_t H5V_hyper_fill(intn n, const hsize_t *_size, const hsize_t *total_size,
 		      const hssize_t *offset, void *_dst, uintn fill_value);
@@ -116,7 +116,7 @@ H5V_vector_reduce_product(intn n, const hsize_t *v)
  *
  *-------------------------------------------------------------------------
  */
-static inline hbool_t __unused__
+static inline htri_t __unused__
 H5V_vector_zerop_u(intn n, const hsize_t *v)
 {
     if (!v) return TRUE;
@@ -143,7 +143,7 @@ H5V_vector_zerop_u(intn n, const hsize_t *v)
  *
  *-------------------------------------------------------------------------
  */
-static inline hbool_t __unused__
+static inline htri_t __unused__
 H5V_vector_zerop_s(intn n, const hssize_t *v)
 {
     if (!v) return TRUE;
diff --git a/src/H5public.h b/src/H5public.h
index 12bada4..d5e5509 100644
--- a/src/H5public.h
+++ b/src/H5public.h
@@ -60,7 +60,8 @@ typedef int herr_t;
  * 	    printf("error determining whether data type is committed\n");
  *	}
  */
-typedef int hbool_t;
+typedef unsigned int hbool_t;           /* For truly boolean values */
+typedef int htri_t;                     /* For values that might be TRUE/FALSE/FAIL */
 
 /*
  * The sizes of file-objects in hdf5 have their own types defined here.  On