Minor normalization with the async branch (#159)

* Minor normalization with the async branch

* Update CMake and the Autotools to use the new pass-through VOL ID

14 files changed, 45 insertions, 36 deletions

diff --git a/src/H5Adeprec.c b/src/H5Adeprec.c
index cfbe352..45792d2 100644
--- a/src/H5Adeprec.c
+++ b/src/H5Adeprec.c
@@ -387,12 +387,12 @@ H5Aiterate1(hid_t loc_id, unsigned *attr_num /*in,out*/, H5A_operator1_t op, voi
 
     /* Get the location object */
     if (NULL == (vol_obj = H5VL_vol_object(loc_id)))
-        HGOTO_ERROR(H5E_VOL, H5E_BADTYPE, H5_ITER_ERROR, "invalid location identifier")
+        HGOTO_ERROR(H5E_ATTR, H5E_BADTYPE, H5_ITER_ERROR, "invalid location identifier")
 
     /* Call attribute iteration routine */
     if ((ret_value = H5VL_attr_optional(vol_obj, H5VL_NATIVE_ATTR_ITERATE_OLD, H5P_DATASET_XFER_DEFAULT,
                                         H5_REQUEST_NULL, loc_id, attr_num, op, op_data)) < 0)
-        HERROR(H5E_VOL, H5E_BADITER, "error iterating over attributes");
+        HERROR(H5E_ATTR, H5E_BADITER, "error iterating over attributes");
 
 done:
     FUNC_LEAVE_API(ret_value)
diff --git a/src/H5Aint.c b/src/H5Aint.c
index 48e22ad..9b24950 100644
--- a/src/H5Aint.c
+++ b/src/H5Aint.c
@@ -1478,6 +1478,10 @@ H5A__exists_by_name(H5G_loc_t loc, const char *obj_name, const char *attr_name)
 
     FUNC_ENTER_PACKAGE
 
+    /* Sanity check */
+    HDassert(obj_name);
+    HDassert(attr_name);
+
     /* Set up opened group location to fill in */
     obj_loc.oloc = &obj_oloc;
     obj_loc.path = &obj_path;
diff --git a/src/H5D.c b/src/H5D.c
index 3a4d463..ff5fa6a 100644
--- a/src/H5D.c
+++ b/src/H5D.c
@@ -1000,7 +1000,7 @@ H5Dgather(hid_t src_space_id, const void *src_buf, hid_t type_id, size_t dst_buf
         /* Gather data */
         if (0 ==
             (nelmts_gathered = H5D__gather_mem(src_buf, iter, MIN(dst_buf_nelmts, (size_t)nelmts), dst_buf)))
-            HGOTO_ERROR(H5E_IO, H5E_CANTCOPY, FAIL, "gather failed")
+            HGOTO_ERROR(H5E_DATASET, H5E_CANTCOPY, FAIL, "gather failed")
         HDassert(nelmts_gathered == MIN(dst_buf_nelmts, (size_t)nelmts));
 
         /* Make callback to process dst_buf */
@@ -1207,7 +1207,7 @@ H5Dvlen_get_buf_size(hid_t dataset_id, hid_t type_id, hid_t space_id, hsize_t *s
     supported = 0;
     if (H5VL_introspect_opt_query(vol_obj, H5VL_SUBCLS_DATASET, H5VL_NATIVE_DATASET_GET_VLEN_BUF_SIZE,
                                   &supported) < 0)
-        HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, H5I_INVALID_HID,
+        HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL,
                     "can't check for 'get vlen buf size' operation")
     if (supported & H5VL_OPT_QUERY_SUPPORTED) {
         /* Make the 'get_vlen_buf_size' callback */
diff --git a/src/H5F.c b/src/H5F.c
index 6705a3c..3653677 100644
--- a/src/H5F.c
+++ b/src/H5F.c
@@ -742,19 +742,19 @@ H5Fdelete(const char *filename, hid_t fapl_id)
 
     /* Verify access property list and set up collective metadata if appropriate */
     if (H5CX_set_apl(&fapl_id, H5P_CLS_FACC, H5I_INVALID_HID, TRUE) < 0)
-        HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set access property list info")
+        HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set access property list info")
 
     /* Get the VOL info from the fapl */
     if (NULL == (plist = (H5P_genplist_t *)H5I_object_verify(fapl_id, H5I_GENPROP_LST)))
-        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not a property list")
+        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list")
     if (H5P_peek(plist, H5F_ACS_VOL_CONN_NAME, &connector_prop) < 0)
-        HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "can't get VOL connector info")
+        HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get VOL connector info")
 
     /* Stash a copy of the "top-level" connector property, before any pass-through
      *  connectors modify or unwrap it.
      */
     if (H5CX_set_vol_connector_prop(&connector_prop) < 0)
-        HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set VOL connector info in API context")
+        HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set VOL connector info in API context")
 
     /* Make sure this is HDF5 storage for this VOL connector */
     if (H5VL_file_specific(NULL, H5VL_FILE_IS_ACCESSIBLE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, fapl_id,
diff --git a/src/H5Gnode.c b/src/H5Gnode.c
index a08acca..c66a174 100644
--- a/src/H5Gnode.c
+++ b/src/H5Gnode.c
@@ -97,7 +97,7 @@ H5B_class_t H5B_SNODE[1] = {{
     H5G__node_create,       /*new           */
     H5G__node_cmp2,         /*cmp2          */
     H5G__node_cmp3,         /*cmp3          */
-    H5G__node_found,        /*found	        */
+    H5G__node_found,        /*found         */
     H5G__node_insert,       /*insert        */
     TRUE,                   /*follow min branch?    */
     TRUE,                   /*follow max branch?    */
diff --git a/src/H5HFhuge.c b/src/H5HFhuge.c
index 56f2477..b981797 100644
--- a/src/H5HFhuge.c
+++ b/src/H5HFhuge.c
@@ -525,7 +525,7 @@ H5HF__huge_get_obj_len(H5HF_hdr_t *hdr, const uint8_t *id, size_t *obj_len_p)
 
             /* Look up object in v2 B-tree */
             if (H5B2_find(hdr->huge_bt2, &search_rec, H5HF__huge_bt2_filt_indir_found, &found_rec) != TRUE)
-                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in B-tree")
+                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in v2 B-tree")
 
             /* Retrieve the object's length */
             *obj_len_p = (size_t)found_rec.obj_size;
@@ -539,7 +539,7 @@ H5HF__huge_get_obj_len(H5HF_hdr_t *hdr, const uint8_t *id, size_t *obj_len_p)
 
             /* Look up object in v2 B-tree */
             if (H5B2_find(hdr->huge_bt2, &search_rec, H5HF__huge_bt2_indir_found, &found_rec) != TRUE)
-                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in B-tree")
+                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in v2 B-tree")
 
             /* Retrieve the object's length */
             *obj_len_p = (size_t)found_rec.len;
@@ -607,7 +607,7 @@ H5HF__huge_get_obj_off(H5HF_hdr_t *hdr, const uint8_t *id, hsize_t *obj_off_p)
 
             /* Look up object in v2 B-tree */
             if (H5B2_find(hdr->huge_bt2, &search_rec, H5HF__huge_bt2_filt_indir_found, &found_rec) != TRUE)
-                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in B-tree")
+                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in v2 B-tree")
 
             /* Retrieve the object's address & length */
             obj_addr = found_rec.addr;
@@ -621,7 +621,7 @@ H5HF__huge_get_obj_off(H5HF_hdr_t *hdr, const uint8_t *id, hsize_t *obj_off_p)
 
             /* Look up object in v2 B-tree */
             if (H5B2_find(hdr->huge_bt2, &search_rec, H5HF__huge_bt2_indir_found, &found_rec) != TRUE)
-                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in B-tree")
+                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in v2 B-tree")
 
             /* Retrieve the object's address & length */
             obj_addr = found_rec.addr;
@@ -699,7 +699,7 @@ H5HF__huge_op_real(H5HF_hdr_t *hdr, const uint8_t *id, hbool_t is_read, H5HF_ope
 
             /* Look up object in v2 B-tree */
             if (H5B2_find(hdr->huge_bt2, &search_rec, H5HF__huge_bt2_filt_indir_found, &found_rec) != TRUE)
-                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in B-tree")
+                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in v2 B-tree")
 
             /* Retrieve the object's address & length */
             obj_addr = found_rec.addr;
@@ -715,7 +715,7 @@ H5HF__huge_op_real(H5HF_hdr_t *hdr, const uint8_t *id, hbool_t is_read, H5HF_ope
 
             /* Look up object in v2 B-tree */
             if (H5B2_find(hdr->huge_bt2, &search_rec, H5HF__huge_bt2_indir_found, &found_rec) != TRUE)
-                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in B-tree")
+                HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in v2 B-tree")
 
             /* Retrieve the object's address & length */
             obj_addr = found_rec.addr;
@@ -846,7 +846,7 @@ H5HF__huge_write(H5HF_hdr_t *hdr, const uint8_t *id, const void *obj)
 
         /* Look up object in v2 B-tree */
         if (H5B2_find(hdr->huge_bt2, &search_rec, H5HF__huge_bt2_indir_found, &found_rec) != TRUE)
-            HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in B-tree")
+            HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "can't find object in v2 B-tree")
 
         /* Retrieve the object's address & length */
         obj_addr = found_rec.addr;
diff --git a/src/H5I.c b/src/H5I.c
index 90a7479..623a2f7 100644
--- a/src/H5I.c
+++ b/src/H5I.c
@@ -300,7 +300,7 @@ done:
 /*-------------------------------------------------------------------------
  * Function:    H5Iregister
  *
- * Purpose:     Public interface to H5I_register.
+ * Purpose:     Register an object.
  *
  * Return:      Success:    New object ID
  *              Failure:    H5I_INVALID_HID
@@ -318,6 +318,7 @@ H5Iregister(H5I_type_t type, const void *object)
     if (H5I_IS_LIB_TYPE(type))
         HGOTO_ERROR(H5E_ID, H5E_BADGROUP, H5I_INVALID_HID, "cannot call public function on library type")
 
+    /* Register the object */
     ret_value = H5I_register(type, object, TRUE);
 
 done:
diff --git a/src/H5L.c b/src/H5L.c
index 699521f..fbf5b1f 100644
--- a/src/H5L.c
+++ b/src/H5L.c
@@ -434,7 +434,7 @@ done:
  *
  * Return:      Non-negative on success/Negative on failure
  *
- * Programmer:	Robb Matzke
+ * Programmer:  Robb Matzke
  *              Monday, April  6, 1998
  *
  *-------------------------------------------------------------------------
@@ -505,7 +505,7 @@ done:
  *
  * Return:      Non-negative on success/Negative on failure
  *
- * Programmer:	Robb Matzke
+ * Programmer:  Robb Matzke
  *              Monday, April  6, 1998
  *
  *-------------------------------------------------------------------------
@@ -3251,6 +3251,10 @@ H5L__exists(const H5G_loc_t *loc, const char *name)
 
     FUNC_ENTER_PACKAGE
 
+    /* Sanity checks */
+    HDassert(loc);
+    HDassert(name);
+
     /* A path of "/" will always exist in a file */
     if (0 == HDstrcmp(name, "/"))
         HGOTO_DONE(TRUE)
diff --git a/src/H5Ldeprec.c b/src/H5Ldeprec.c
index 2adc1fe..3eee8a1 100644
--- a/src/H5Ldeprec.c
+++ b/src/H5Ldeprec.c
@@ -341,7 +341,7 @@ H5Lget_info1(hid_t loc_id, const char *name, H5L_info1_t *linfo /*out*/, hid_t l
             void *vol_obj_data;
 
             if (NULL == (vol_obj_data = H5VL_object_data(vol_obj)))
-                HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get underlying VOL object")
+                HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "can't get underlying VOL object")
 
             if (H5VL_native_token_to_addr(vol_obj_data, loc_params.obj_type, linfo2.u.token,
                                           &linfo->u.address) < 0)
@@ -431,7 +431,7 @@ H5Lget_info_by_idx1(hid_t loc_id, const char *group_name, H5_index_t idx_type, H
             void *vol_obj_data;
 
             if (NULL == (vol_obj_data = H5VL_object_data(vol_obj)))
-                HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get underlying VOL object")
+                HGOTO_ERROR(H5E_LINK, H5E_CANTGET, FAIL, "can't get underlying VOL object")
 
             if (H5VL_native_token_to_addr(vol_obj_data, loc_params.obj_type, linfo2.u.token,
                                           &linfo->u.address) < 0)
diff --git a/src/H5O.c b/src/H5O.c
index 709f479..9da011b 100644
--- a/src/H5O.c
+++ b/src/H5O.c
@@ -1422,8 +1422,8 @@ done:
  *
  * Return:      SUCCEED/FAIL
  *
- * Programmer:	James Laird
- *		July 14 2006
+ * Programmer:  James Laird
+ *              July 14 2006
  *
  *-------------------------------------------------------------------------
  */
@@ -1716,7 +1716,7 @@ H5Otoken_cmp(hid_t loc_id, const H5O_token_t *token1, const H5O_token_t *token2,
 
     /* Compare the two tokens */
     if (H5VL_token_cmp(vol_obj, token1, token2, cmp_value) < 0)
-        HGOTO_ERROR(H5E_VOL, H5E_CANTCOMPARE, FAIL, "object token comparison failed")
+        HGOTO_ERROR(H5E_OHDR, H5E_CANTCOMPARE, FAIL, "object token comparison failed")
 
 done:
     FUNC_LEAVE_API(ret_value)
@@ -1752,11 +1752,11 @@ H5Otoken_to_str(hid_t loc_id, const H5O_token_t *token, char **token_str)
 
     /* Get object type */
     if ((vol_obj_type = H5I_get_type(loc_id)) < 0)
-        HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get underlying VOL object type")
+        HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get underlying VOL object type")
 
     /* Serialize the token */
     if (H5VL_token_to_str(vol_obj, vol_obj_type, token, token_str) < 0)
-        HGOTO_ERROR(H5E_VOL, H5E_CANTSERIALIZE, FAIL, "object token serialization failed")
+        HGOTO_ERROR(H5E_OHDR, H5E_CANTSERIALIZE, FAIL, "object token serialization failed")
 
 done:
     FUNC_LEAVE_API(ret_value)
@@ -1792,11 +1792,11 @@ H5Otoken_from_str(hid_t loc_id, const char *token_str, H5O_token_t *token)
 
     /* Get object type */
     if ((vol_obj_type = H5I_get_type(loc_id)) < 0)
-        HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get underlying VOL object type")
+        HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get underlying VOL object type")
 
     /* Deserialize the token */
     if (H5VL_token_from_str(vol_obj, vol_obj_type, token_str, token) < 0)
-        HGOTO_ERROR(H5E_VOL, H5E_CANTUNSERIALIZE, FAIL, "object token deserialization failed")
+        HGOTO_ERROR(H5E_OHDR, H5E_CANTUNSERIALIZE, FAIL, "object token deserialization failed")
 
 done:
     FUNC_LEAVE_API(ret_value)
diff --git a/src/H5Odeprec.c b/src/H5Odeprec.c
index 3fe1416..a4a5091 100644
--- a/src/H5Odeprec.c
+++ b/src/H5Odeprec.c
@@ -240,7 +240,7 @@ H5O__get_info_old(H5VL_object_t *vol_obj, H5VL_loc_params_t *loc_params, H5O_inf
             void *vol_obj_data;
 
             if (NULL == (vol_obj_data = H5VL_object_data(vol_obj)))
-                HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get underlying VOL object")
+                HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get underlying VOL object")
 
             oinfo->fileno = dm_info.fileno;
             oinfo->type   = dm_info.type;
diff --git a/src/H5TS.c b/src/H5TS.c
index 29be128..aa53943 100644
--- a/src/H5TS.c
+++ b/src/H5TS.c
@@ -332,7 +332,7 @@ H5TS_pthread_first_thread_init(void)
  *    H5TS_mutex_lock(&mutex_var)
  *
  * RETURNS
- *    0 on success and non-zero on error.
+ *    Non-negative on success / Negative on failure
  *
  * DESCRIPTION
  *    Recursive lock semantics for HDF5 (locking) -
@@ -347,7 +347,7 @@ H5TS_pthread_first_thread_init(void)
 herr_t
 H5TS_mutex_lock(H5TS_mutex_t *mutex)
 {
-    herr_t ret_value = 0;
+    herr_t ret_value = SUCCEED;
 
     FUNC_ENTER_NOAPI_NAMECHECK_ONLY
 
@@ -389,7 +389,7 @@ done:
  *    H5TS_mutex_unlock(&mutex_var)
  *
  * RETURNS
- *    0 on success and non-zero on error.
+ *    Non-negative on success / Negative on failure
  *
  * DESCRIPTION
  *    Recursive lock semantics for HDF5 (unlocking) -
@@ -404,7 +404,7 @@ done:
 herr_t
 H5TS_mutex_unlock(H5TS_mutex_t *mutex)
 {
-    herr_t ret_value = 0;
+    herr_t ret_value = SUCCEED;
 
     FUNC_ENTER_NOAPI_NAMECHECK_ONLY
 
@@ -444,7 +444,7 @@ done:
  *    H5TS_cancel_count_inc()
  *
  * RETURNS
- *    0 on success non-zero error code on error.
+ *    Non-negative on success / Negative on failure
  *
  * DESCRIPTION
  *    Creates a cancellation counter for a thread if it is the first time
diff --git a/src/H5Tdeprec.c b/src/H5Tdeprec.c
index 89de9e1..a6a6631 100644
--- a/src/H5Tdeprec.c
+++ b/src/H5Tdeprec.c
@@ -135,7 +135,7 @@ H5Tcommit1(hid_t loc_id, const char *name, hid_t type_id)
 
     /* Set up VOL object */
     if (NULL == (new_obj = H5FL_CALLOC(H5VL_object_t)))
-        HGOTO_ERROR(H5E_VOL, H5E_NOSPACE, FAIL, "can't allocate top object structure")
+        HGOTO_ERROR(H5E_DATATYPE, H5E_NOSPACE, FAIL, "can't allocate top object structure")
     new_obj->connector = vol_obj->connector;
     new_obj->connector->nrefs++;
     new_obj->data = data;
diff --git a/src/H5VLpassthru.h b/src/H5VLpassthru.h
index a8ef42c..8576d21 100644
--- a/src/H5VLpassthru.h
+++ b/src/H5VLpassthru.h
@@ -25,7 +25,7 @@
 
 /* Characteristics of the pass-through VOL connector */
 #define H5VL_PASSTHRU_NAME    "pass_through"
-#define H5VL_PASSTHRU_VALUE   505 /* VOL connector ID */
+#define H5VL_PASSTHRU_VALUE   1         /* VOL connector ID */
 #define H5VL_PASSTHRU_VERSION 0
 
 /* Pass-through VOL connector info */