[svn-r27631] Description:

    Make error values from hyperslab operations clearer.

Tested on:
    MacOSX/64 10.10.5 (amazon) w/serial & parallel
    (Too minor to require h5committest)

6 files changed, 59 insertions, 49 deletions

diff --git a/src/H5Edefin.h b/src/H5Edefin.h
index 183f72c..066c35d 100644
--- a/src/H5Edefin.h
+++ b/src/H5Edefin.h
@@ -194,6 +194,7 @@ hid_t H5E_CANTSELECT_g     = FAIL;      /* Can't select hyperslab */
 hid_t H5E_CANTNEXT_g       = FAIL;      /* Can't move to next iterator location */
 hid_t H5E_BADSELECT_g      = FAIL;      /* Invalid selection */
 hid_t H5E_CANTCOMPARE_g    = FAIL;      /* Can't compare objects */
+hid_t H5E_CANTAPPEND_g     = FAIL;      /* Can't append object */
 
 /* Argument errors */
 hid_t H5E_UNINITIALIZED_g  = FAIL;      /* Information is uinitialized */
diff --git a/src/H5Einit.h b/src/H5Einit.h
index 9724748..35049b2 100644
--- a/src/H5Einit.h
+++ b/src/H5Einit.h
@@ -740,6 +740,11 @@ if((msg = H5E_create_msg(cls, H5E_MINOR, "Can't compare objects"))==NULL)
     HGOTO_ERROR(H5E_ERROR, H5E_CANTINIT, FAIL, "error message initialization failed")
 if((H5E_CANTCOMPARE_g = H5I_register(H5I_ERROR_MSG, msg, FALSE))<0)
     HGOTO_ERROR(H5E_ERROR, H5E_CANTREGISTER, FAIL, "can't register error message")
+assert(H5E_CANTAPPEND_g==(-1));
+if((msg = H5E_create_msg(cls, H5E_MINOR, "Can't append object"))==NULL)
+    HGOTO_ERROR(H5E_ERROR, H5E_CANTINIT, FAIL, "error message initialization failed")
+if((H5E_CANTAPPEND_g = H5I_register(H5I_ERROR_MSG, msg, FALSE))<0)
+    HGOTO_ERROR(H5E_ERROR, H5E_CANTREGISTER, FAIL, "can't register error message")
 
 /* Argument errors */
 assert(H5E_UNINITIALIZED_g==(-1));
diff --git a/src/H5Epubgen.h b/src/H5Epubgen.h
index e79106f..8b60079 100644
--- a/src/H5Epubgen.h
+++ b/src/H5Epubgen.h
@@ -328,12 +328,14 @@ H5_DLLVAR hid_t H5E_CANTRECV_g;      /* Can't receive data */
 #define H5E_CANTNEXT         (H5OPEN H5E_CANTNEXT_g)
 #define H5E_BADSELECT        (H5OPEN H5E_BADSELECT_g)
 #define H5E_CANTCOMPARE      (H5OPEN H5E_CANTCOMPARE_g)
+#define H5E_CANTAPPEND       (H5OPEN H5E_CANTAPPEND_g)
 H5_DLLVAR hid_t H5E_CANTCLIP_g;      /* Can't clip hyperslab region */
 H5_DLLVAR hid_t H5E_CANTCOUNT_g;     /* Can't count elements */
 H5_DLLVAR hid_t H5E_CANTSELECT_g;    /* Can't select hyperslab */
 H5_DLLVAR hid_t H5E_CANTNEXT_g;      /* Can't move to next iterator location */
 H5_DLLVAR hid_t H5E_BADSELECT_g;     /* Invalid selection */
 H5_DLLVAR hid_t H5E_CANTCOMPARE_g;   /* Can't compare objects */
+H5_DLLVAR hid_t H5E_CANTAPPEND_g;    /* Can't append object */
 
 /* Argument errors */
 #define H5E_UNINITIALIZED    (H5OPEN H5E_UNINITIALIZED_g)
diff --git a/src/H5Eterm.h b/src/H5Eterm.h
index 5db503c..bf39a6b 100644
--- a/src/H5Eterm.h
+++ b/src/H5Eterm.h
@@ -195,7 +195,8 @@ H5E_CANTCOUNT_g=
 H5E_CANTSELECT_g=    
 H5E_CANTNEXT_g=    
 H5E_BADSELECT_g=    
-H5E_CANTCOMPARE_g=
+H5E_CANTCOMPARE_g=    
+H5E_CANTAPPEND_g=
 
 /* Argument errors */    
 H5E_UNINITIALIZED_g=    
diff --git a/src/H5Shyper.c b/src/H5Shyper.c
index 51b5ab6..a2eb804 100644
--- a/src/H5Shyper.c
+++ b/src/H5Shyper.c
@@ -4833,7 +4833,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
 
                     /* Merge/add span 'a' with/to a_not_b list */
                     if(H5S_hyper_append_span(&last_a_not_b,a_not_b,span_a->low,span_a->high,span_a->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                     /* Advance span 'a', leave span 'b' */
                     H5S_hyper_recover_span(&recover_a,&span_a,span_a->next);
@@ -4848,7 +4848,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
 
                     /* Merge/add lower part of span 'a' with/to a_not_b list */
                     if(H5S_hyper_append_span(&last_a_not_b,a_not_b,span_a->low,span_b->low-1,span_a->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                     /* Check for overlaps between upper part of span 'a' and lower part of span 'b' */
 
@@ -4859,7 +4859,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                     if(span_a->down==NULL) {
                         /* Merge/add overlapped part with/to a_and_b list */
                         if(H5S_hyper_append_span(&last_a_and_b,a_and_b,span_b->low,span_a->high,NULL,NULL)==FAIL)
-                            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                            HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
                     } /* end if */
                     /* If there are down spans, check for the overlap in them and add to each appropriate list */
                     else {
@@ -4876,7 +4876,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_a_not_b!=NULL) {
                             /* Merge/add overlapped part with/to a_not_b list */
                             if(H5S_hyper_append_span(&last_a_not_b,a_not_b,span_b->low,span_a->high,down_a_not_b,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_a_not_b);
@@ -4886,7 +4886,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_a_and_b!=NULL) {
                             /* Merge/add overlapped part with/to a_and_b list */
                             if(H5S_hyper_append_span(&last_a_and_b,a_and_b,span_b->low,span_a->high,down_a_and_b,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_a_and_b);
@@ -4896,7 +4896,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_b_not_a!=NULL) {
                             /* Merge/add overlapped part with/to b_not_a list */
                             if(H5S_hyper_append_span(&last_b_not_a,b_not_a,span_b->low,span_a->high,down_b_not_a,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_b_not_a);
@@ -4935,7 +4935,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
 
                     /* Merge/add lower part of span 'a' with/to a_not_b list */
                     if(H5S_hyper_append_span(&last_a_not_b,a_not_b,span_a->low,span_b->low-1,span_a->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                     /* Check for overlaps between middle part of span 'a' and span 'b' */
 
@@ -4946,7 +4946,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                     if(span_a->down==NULL) {
                         /* Merge/add overlapped part with/to a_and_b list */
                         if(H5S_hyper_append_span(&last_a_and_b,a_and_b,span_b->low,span_b->high,NULL,NULL)==FAIL)
-                            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                            HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
                     } /* end if */
                     /* If there are down spans, check for the overlap in them and add to each appropriate list */
                     else {
@@ -4963,7 +4963,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_a_not_b!=NULL) {
                             /* Merge/add overlapped part with/to a_not_b list */
                             if(H5S_hyper_append_span(&last_a_not_b,a_not_b,span_b->low,span_b->high,down_a_not_b,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_a_not_b);
@@ -4973,7 +4973,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_a_and_b!=NULL) {
                             /* Merge/add overlapped part with/to a_and_b list */
                             if(H5S_hyper_append_span(&last_a_and_b,a_and_b,span_b->low,span_b->high,down_a_and_b,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_a_and_b);
@@ -4983,7 +4983,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_b_not_a!=NULL) {
                             /* Merge/add overlapped part with/to b_not_a list */
                             if(H5S_hyper_append_span(&last_b_not_a,b_not_a,span_b->low,span_b->high,down_b_not_a,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_b_not_a);
@@ -5014,7 +5014,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                     if(span_a->low>span_b->low) {
                         /* Merge/add lower part of span 'b' with/to b_not_a list */
                         if(H5S_hyper_append_span(&last_b_not_a,b_not_a,span_b->low,span_a->low-1,span_b->down,NULL)==FAIL)
-                            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                            HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
                     } /* end if */
                     else {
                         /* Keep going, nothing to split off */
@@ -5029,7 +5029,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                     if(span_a->down==NULL) {
                         /* Merge/add overlapped part with/to a_and_b list */
                         if(H5S_hyper_append_span(&last_a_and_b,a_and_b,span_a->low,span_a->high,NULL,NULL)==FAIL)
-                            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                            HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
                     } /* end if */
                     /* If there are down spans, check for the overlap in them and add to each appropriate list */
                     else {
@@ -5046,7 +5046,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_a_not_b!=NULL) {
                             /* Merge/add overlapped part with/to a_not_b list */
                             if(H5S_hyper_append_span(&last_a_not_b,a_not_b,span_a->low,span_a->high,down_a_not_b,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_a_not_b);
@@ -5056,7 +5056,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_a_and_b!=NULL) {
                             /* Merge/add overlapped part with/to a_and_b list */
                             if(H5S_hyper_append_span(&last_a_and_b,a_and_b,span_a->low,span_a->high,down_a_and_b,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_a_and_b);
@@ -5066,7 +5066,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_b_not_a!=NULL) {
                             /* Merge/add overlapped part with/to b_not_a list */
                             if(H5S_hyper_append_span(&last_b_not_a,b_not_a,span_a->low,span_a->high,down_b_not_a,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_b_not_a);
@@ -5106,7 +5106,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
 
                         /* Merge/add lower part of span 'b' with/to b_not_a list */
                         if(H5S_hyper_append_span(&last_b_not_a,b_not_a,span_b->low,span_a->low-1,span_b->down,NULL)==FAIL)
-                            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                            HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
                     } /* end if */
                     else {
                         /* Keep going, nothing to split off */
@@ -5121,7 +5121,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                     if(span_a->down==NULL) {
                         /* Merge/add overlapped part with/to a_and_b list */
                         if(H5S_hyper_append_span(&last_a_and_b,a_and_b,span_a->low,span_b->high,NULL,NULL)==FAIL)
-                            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                            HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
                     } /* end if */
                     /* If there are down spans, check for the overlap in them and add to each appropriate list */
                     else {
@@ -5138,7 +5138,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_a_not_b!=NULL) {
                             /* Merge/add overlapped part with/to a_not_b list */
                             if(H5S_hyper_append_span(&last_a_not_b,a_not_b,span_a->low,span_b->high,down_a_not_b,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_a_not_b);
@@ -5148,7 +5148,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_a_and_b!=NULL) {
                             /* Merge/add overlapped part with/to a_and_b list */
                             if(H5S_hyper_append_span(&last_a_and_b,a_and_b,span_a->low,span_b->high,down_a_and_b,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_a_and_b);
@@ -5158,7 +5158,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
                         if(down_b_not_a!=NULL) {
                             /* Merge/add overlapped part with/to b_not_a list */
                             if(H5S_hyper_append_span(&last_b_not_a,b_not_a,span_a->low,span_b->high,down_b_not_a,NULL)==FAIL)
-                                HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                                HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                             /* Release the down span tree generated */
                             H5S_hyper_free_span_info(down_b_not_a);
@@ -5187,7 +5187,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
 
                     /* Merge/add span 'b' with/to b_not_a list */
                     if(H5S_hyper_append_span(&last_b_not_a,b_not_a,span_b->low,span_b->high,span_b->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                     /* Advance span 'b', leave span 'a' */
                     H5S_hyper_recover_span(&recover_b,&span_b,span_b->next);
@@ -5201,7 +5201,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
 
                     /* Merge/add span 'a' with/to a_not_b list */
                     if(H5S_hyper_append_span(&last_a_not_b,a_not_b,span_a->low,span_a->high,span_a->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                     /* Advance to the next 'a' span */
                     H5S_hyper_recover_span(&recover_a,&span_a,span_a->next);
@@ -5214,7 +5214,7 @@ H5S_hyper_clip_spans (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_info_t *b_s
 
                     /* Merge/add span 'b' with/to b_not_a list */
                     if(H5S_hyper_append_span(&last_b_not_a,b_not_a,span_b->low,span_b->high,span_b->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, FAIL, "can't allocate hyperslab span")
 
                     /* Advance to the next 'b' span */
                     H5S_hyper_recover_span(&recover_b,&span_b,span_b->next);
@@ -5296,7 +5296,7 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
             if(span_a->high<span_b->low) {
                 /* Merge/add span 'a' with/to the merged spans */
                 if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_a->low,span_a->high,span_a->down,NULL)==FAIL)
-                    HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                    HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                 /* Advance span 'a' */
                 H5S_hyper_recover_span(&recover_a,&span_a,span_a->next);
@@ -5311,19 +5311,19 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
                 if(H5S_hyper_cmp_spans(span_a->down,span_b->down)==TRUE) {
                     /* Merge/add copy of span 'a' with/to merged spans */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_a->low,span_a->high,span_a->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
                 } /* end if */
                 else {
                     /* Merge/add lower part of span 'a' with/to merged spans */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_a->low,span_b->low-1,span_a->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                     /* Get merged span tree for overlapped section */
                     tmp_spans=H5S_hyper_merge_spans_helper(span_a->down,span_b->down);
 
                     /* Merge/add overlapped section to merged spans */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_b->low,span_a->high,tmp_spans,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                     /* Release merged span tree for overlapped section */
                     H5S_hyper_free_span_info(tmp_spans);
@@ -5360,19 +5360,19 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
                 if(H5S_hyper_cmp_spans(span_a->down,span_b->down)==TRUE) {
                     /* Merge/add copy of lower & middle parts of span 'a' to merged spans */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_a->low,span_b->high,span_a->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
                 } /* end if */
                 else {
                     /* Merge/add lower part of span 'a' to merged spans */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_a->low,span_b->low-1,span_a->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                     /* Get merged span tree for overlapped section */
                     tmp_spans=H5S_hyper_merge_spans_helper(span_a->down,span_b->down);
 
                     /* Merge/add overlapped section to merged spans */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_b->low,span_b->high,tmp_spans,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                     /* Release merged span tree for overlapped section */
                     H5S_hyper_free_span_info(tmp_spans);
@@ -5400,14 +5400,14 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
                 if(H5S_hyper_cmp_spans(span_a->down,span_b->down)==TRUE) {
                     /* Merge/add copy of lower & middle parts of span 'b' to merged spans */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_b->low,span_a->high,span_a->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
                 } /* end if */
                 else {
                     /* Check if there is a lower part of span 'b' */
                     if(span_a->low>span_b->low) {
                         /* Merge/add lower part of span 'b' to merged spans */
                         if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_b->low,span_a->low-1,span_b->down,NULL)==FAIL)
-                            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                            HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
                     } /* end if */
                     else {
                         /* No lower part of span 'b' , keep going... */
@@ -5418,7 +5418,7 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
 
                     /* Merge/add overlapped section to merged spans */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_a->low,span_a->high,tmp_spans,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                     /* Release merged span tree for overlapped section */
                     H5S_hyper_free_span_info(tmp_spans);
@@ -5455,14 +5455,14 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
                 if(H5S_hyper_cmp_spans(span_a->down,span_b->down)==TRUE) {
                     /* Merge/add copy of span 'b' to merged spans if so */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_b->low,span_b->high,span_b->down,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
                 } /* end if */
                 else {
                     /* Check if there is a lower part of span 'b' */
                     if(span_a->low>span_b->low) {
                         /* Merge/add lower part of span 'b' to merged spans */
                         if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_b->low,span_a->low-1,span_b->down,NULL)==FAIL)
-                            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                            HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
                     } /* end if */
                     else {
                         /* No lower part of span 'b' , keep going... */
@@ -5473,7 +5473,7 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
 
                     /* Merge/add overlapped section to merged spans */
                     if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_a->low,span_b->high,tmp_spans,NULL)==FAIL)
-                        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                        HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                     /* Release merged span tree for overlapped section */
                     H5S_hyper_free_span_info(tmp_spans);
@@ -5499,7 +5499,7 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
             else {
                 /* Merge/add span 'b' with the merged spans */
                 if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_b->low,span_b->high,span_b->down,NULL)==FAIL)
-                    HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                    HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                 /* Advance span 'b' */
                 H5S_hyper_recover_span(&recover_b,&span_b,span_b->next);
@@ -5511,7 +5511,7 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
             while(span_a!=NULL) {
                 /* Merge/add all 'a' spans into the merged spans */
                 if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_a->low,span_a->high,span_a->down,NULL)==FAIL)
-                    HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                    HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                 /* Advance to next 'a' span, until all processed */
                 H5S_hyper_recover_span(&recover_a,&span_a,span_a->next);
@@ -5523,7 +5523,7 @@ H5S_hyper_merge_spans_helper (H5S_hyper_span_info_t *a_spans, H5S_hyper_span_inf
             while(span_b!=NULL) {
                 /* Merge/add all 'b' spans into the merged spans */
                 if(H5S_hyper_append_span(&prev_span_merge,&merged_spans,span_b->low,span_b->high,span_b->down,NULL)==FAIL)
-                    HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab span")
+                    HGOTO_ERROR(H5E_RESOURCE, H5E_CANTAPPEND, NULL, "can't allocate hyperslab span")
 
                 /* Advance to next 'b' span, until all processed */
                 H5S_hyper_recover_span(&recover_b,&span_b,span_b->next);
@@ -7099,8 +7099,8 @@ H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op,
             HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDELETE, FAIL, "can't release hyperslab")
 
         /* Allocate space for the hyperslab selection information */
-        if((space->select.sel_info.hslab=H5FL_MALLOC(H5S_hyper_sel_t))==NULL)
-            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate hyperslab info")
+        if(NULL == (space->select.sel_info.hslab = H5FL_MALLOC(H5S_hyper_sel_t)))
+            HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't allocate hyperslab info")
 
         /* Save the diminfo */
         space->select.num_elem=1;
@@ -7119,18 +7119,18 @@ H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op,
         } /* end for */
 
         /* Indicate that the dimension information is valid */
-        space->select.sel_info.hslab->diminfo_valid=TRUE;
+        space->select.sel_info.hslab->diminfo_valid = TRUE;
 
         /* Indicate that there's no slab information */
-        space->select.sel_info.hslab->span_lst=NULL;
+        space->select.sel_info.hslab->span_lst = NULL;
     } /* end if */
     else if(op>=H5S_SELECT_OR && op<=H5S_SELECT_NOTA) {
         /* Sanity check */
         HDassert(H5S_GET_SELECT_TYPE(space) == H5S_SEL_HYPERSLABS);
 
         /* Check if there's no hyperslab span information currently */
-        if(space->select.sel_info.hslab->span_lst==NULL)
-            if(H5S_hyper_generate_spans(space)<0)
+        if(NULL == space->select.sel_info.hslab->span_lst)
+            if(H5S_hyper_generate_spans(space) < 0)
                 HGOTO_ERROR(H5E_DATASPACE, H5E_UNINITIALIZED, FAIL, "dataspace does not have span tree")
 
         /* Add in the new hyperslab information */
@@ -7144,7 +7144,7 @@ H5S_select_hyperslab (H5S_t *space, H5S_seloper_t op,
         HGOTO_ERROR(H5E_ARGS, H5E_UNSUPPORTED, FAIL, "invalid selection operation")
 
     /* Set selection type */
-    space->select.type=H5S_sel_hyper;
+    space->select.type = H5S_sel_hyper;
 
 done:
     FUNC_LEAVE_NOAPI(ret_value)
@@ -8794,7 +8794,7 @@ H5S_hyper_get_seq_list(const H5S_t *space, unsigned H5_ATTR_UNUSED flags, H5S_se
             /* Make certain that we don't write too many */
             actual_elem = MIN3(leftover, (size_t)iter->elmt_left, maxelem);
 
-            /* initialize row sizes for each dimension */
+            /* Initialize row sizes for each dimension */
             elem_size = iter->elmt_size;
             for(i = (int)fast_dim, acc = elem_size; i >= 0; i--) {
                 slab[i] = acc;
diff --git a/src/H5err.txt b/src/H5err.txt
index 5a38cdf..e0ebf5e 100644
--- a/src/H5err.txt
+++ b/src/H5err.txt
@@ -217,6 +217,7 @@ MINOR, DSPACE, H5E_CANTSELECT, Can't select hyperslab
 MINOR, DSPACE, H5E_CANTNEXT, Can't move to next iterator location
 MINOR, DSPACE, H5E_BADSELECT, Invalid selection
 MINOR, DSPACE, H5E_CANTCOMPARE, Can't compare objects
+MINOR, DSPACE, H5E_CANTAPPEND, Can't append object
 
 # Property list errors
 MINOR, PLIST, H5E_CANTGET, Can't get value