diff options
Diffstat (limited to 'src/H5HG.c')
| -rw-r--r-- | src/H5HG.c | 12 |
1 files changed, 8 insertions, 4 deletions
@@ -310,7 +310,7 @@ H5HG_alloc (H5F_t *f, H5HG_heap_t *heap, size_t size, unsigned * heap_flags_ptr) * Find an ID for the new object. ID zero is reserved for the free space * object. */ - if(heap->nused<H5HG_MAXIDX) + if(heap->nused<=H5HG_MAXIDX) idx=heap->nused++; else { for (idx=1; idx<heap->nused; idx++) @@ -326,17 +326,21 @@ H5HG_alloc (H5F_t *f, H5HG_heap_t *heap, size_t size, unsigned * heap_flags_ptr) H5HG_obj_t *new_obj; /* New array of object descriptions */ /* Determine the new number of objects to index */ - new_alloc=MAX(heap->nalloc*2,(idx+1)); - assert(new_alloc<=(H5HG_MAXIDX+1)); + /* nalloc is *not* guaranteed to be a power of 2! - NAF 10/26/09 */ + new_alloc = MIN(MAX(heap->nalloc * 2, (idx + 1)), (H5HG_MAXIDX + 1)); + HDassert(idx < new_alloc); /* Reallocate array of objects */ if (NULL==(new_obj = H5FL_SEQ_REALLOC (H5HG_obj_t, heap->obj, new_alloc))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, 0, "memory allocation failed") + /* Clear newly allocated space */ + HDmemset(&new_obj[heap->nalloc], 0, (new_alloc - heap->nalloc) * sizeof(heap->obj[0])); + /* Update heap information */ heap->nalloc=new_alloc; heap->obj=new_obj; - assert(heap->nalloc>heap->nused); + HDassert(heap->nalloc>heap->nused); } /* end if */ /* Initialize the new object */ |