diff options
Diffstat (limited to 'src/H5HL.c')
| -rw-r--r-- | src/H5HL.c | 76 |
1 files changed, 40 insertions, 36 deletions
@@ -213,87 +213,91 @@ H5HL_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED * udata1, size_t free_block = H5HL_FREE_NULL; H5HL_t *ret_value; - FUNC_ENTER_NOAPI(H5HL_load, NULL); + FUNC_ENTER_NOAPI(H5HL_load, NULL) /* check arguments */ - assert(f); - assert(H5F_addr_defined(addr)); - assert(!udata1); - assert(!udata2); + HDassert(f); + HDassert(H5F_addr_defined(addr)); + HDassert(!udata1); + HDassert(!udata2); /* Cache this for later */ - sizeof_hdr= H5HL_SIZEOF_HDR(f); - assert(sizeof_hdr <= sizeof(hdr)); + sizeof_hdr = H5HL_SIZEOF_HDR(f); + HDassert(sizeof_hdr <= sizeof(hdr)); /* Get the local heap's header */ - if (H5F_block_read(f, H5FD_MEM_LHEAP, addr, sizeof_hdr, dxpl_id, hdr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_READERROR, NULL, "unable to read heap header"); + if(H5F_block_read(f, H5FD_MEM_LHEAP, addr, sizeof_hdr, dxpl_id, hdr) < 0) + HGOTO_ERROR(H5E_HEAP, H5E_READERROR, NULL, "unable to read heap header") p = hdr; /* Check magic number */ if(HDmemcmp(hdr, H5HL_MAGIC, (size_t)H5HL_SIZEOF_MAGIC)) - HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad heap signature"); + HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad heap signature") p += H5HL_SIZEOF_MAGIC; /* Version */ - if (H5HL_VERSION!=*p++) - HGOTO_ERROR (H5E_HEAP, H5E_CANTLOAD, NULL, "wrong version number in global heap"); + if(H5HL_VERSION != *p++) + HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "wrong version number in global heap") /* Reserved */ p += 3; /* Allocate space in memory for the heap */ - if (NULL==(heap = H5FL_CALLOC(H5HL_t))) - HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); + if(NULL == (heap = H5FL_CALLOC(H5HL_t))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") /* heap data size */ H5F_DECODE_LENGTH(f, p, heap->heap_alloc); /* free list head */ H5F_DECODE_LENGTH(f, p, free_block); - if (free_block != H5HL_FREE_NULL && free_block >= heap->heap_alloc) - HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad heap free list"); + if(free_block != H5HL_FREE_NULL && free_block >= heap->heap_alloc) + HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad heap free list") /* data */ H5F_addr_decode(f, &p, &(heap->addr)); - if (NULL==(heap->chunk = H5FL_BLK_CALLOC(heap_chunk,(sizeof_hdr + heap->heap_alloc)))) - HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); - if (heap->heap_alloc && + if(NULL == (heap->chunk = H5FL_BLK_CALLOC(heap_chunk, (sizeof_hdr + heap->heap_alloc)))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") + if(heap->heap_alloc && H5F_block_read(f, H5FD_MEM_LHEAP, heap->addr, heap->heap_alloc, dxpl_id, heap->chunk + sizeof_hdr) < 0) - HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "unable to read heap data"); + HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "unable to read heap data") /* Build free list */ - while (H5HL_FREE_NULL != free_block) { - if (free_block >= heap->heap_alloc) - HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad heap free list"); - if (NULL==(fl = H5FL_MALLOC(H5HL_free_t))) - HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); + while(H5HL_FREE_NULL != free_block) { + if(free_block >= heap->heap_alloc) + HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad heap free list") + if(NULL == (fl = H5FL_MALLOC(H5HL_free_t))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") fl->offset = free_block; fl->prev = tail; fl->next = NULL; - if (tail) tail->next = fl; + if(tail) + tail->next = fl; tail = fl; - if (!heap->freelist) heap->freelist = fl; + if(!heap->freelist) + heap->freelist = fl; p = heap->chunk + sizeof_hdr + free_block; + H5F_DECODE_LENGTH(f, p, free_block); - H5F_DECODE_LENGTH(f, p, fl->size); + if(free_block == 0) + HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "free block size is zero?") + H5F_DECODE_LENGTH(f, p, fl->size); if (fl->offset + fl->size > heap->heap_alloc) - HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad heap free list"); - } + HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, NULL, "bad heap free list") + } /* end while */ /* Set return value */ ret_value = heap; done: - if (!ret_value && heap) { - if(H5HL_dest(f,heap)<0) - HDONE_ERROR(H5E_HEAP, H5E_CANTFREE, NULL, "unable to destroy local heap collection"); - } + if(!ret_value && heap) + if(H5HL_dest(f,heap) < 0) + HDONE_ERROR(H5E_HEAP, H5E_CANTFREE, NULL, "unable to destroy local heap collection") - FUNC_LEAVE_NOAPI(ret_value); -} + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5HL_load() */ /*------------------------------------------------------------------------- |