diff options
Diffstat (limited to 'src/H5Ocache.c')
-rw-r--r-- | src/H5Ocache.c | 61 |
1 files changed, 27 insertions, 34 deletions
diff --git a/src/H5Ocache.c b/src/H5Ocache.c index 23f714a..7970e70 100644 --- a/src/H5Ocache.c +++ b/src/H5Ocache.c @@ -40,7 +40,7 @@ static H5O_t *H5O_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_udata void *_udata2); static herr_t H5O_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5O_t *oh); static herr_t H5O_clear(H5F_t *f, H5O_t *oh, hbool_t destroy); -static herr_t H5O_compute_size(const H5F_t *f, const H5O_t *oh, size_t *size_ptr); +static herr_t H5O_size(const H5F_t *f, const H5O_t *oh, size_t *size_ptr); /* H5O inherits cache-like properties from H5AC */ const H5AC_class_t H5AC_OHDR[1] = {{ @@ -49,7 +49,7 @@ const H5AC_class_t H5AC_OHDR[1] = {{ (H5AC_flush_func_t)H5O_flush, (H5AC_dest_func_t)H5O_dest, (H5AC_clear_func_t)H5O_clear, - (H5AC_size_func_t)H5O_compute_size, + (H5AC_size_func_t)H5O_size, }}; @@ -89,7 +89,7 @@ H5O_flush_msgs(H5F_t *f, H5O_t *oh) id = curr_msg->type->id; UINT16ENCODE(p, id); - HDassert(curr_msg->raw_size < H5O_MAX_SIZE); + HDassert(curr_msg->raw_size < H5O_MESG_MAX_SIZE); UINT16ENCODE(p, curr_msg->raw_size); *p++ = curr_msg->flags; *p++ = 0; /*reserved*/ @@ -181,19 +181,19 @@ H5O_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED * _udata1, /* allocate ohdr and init chunk list */ if (NULL==(oh = H5FL_CALLOC(H5O_t))) - HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") - /* read fixed-lenth part of object header */ + /* read fixed-length part of object header */ hdr_size = H5O_SIZEOF_HDR(f); assert(hdr_size<=sizeof(buf)); if (H5F_block_read(f, H5FD_MEM_OHDR, addr, hdr_size, dxpl_id, buf) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_READERROR, NULL, "unable to read object header"); + HGOTO_ERROR(H5E_OHDR, H5E_READERROR, NULL, "unable to read object header") p = buf; /* decode version */ oh->version = *p++; if (H5O_VERSION != oh->version) - HGOTO_ERROR(H5E_OHDR, H5E_VERSION, NULL, "bad object header version number"); + HGOTO_ERROR(H5E_OHDR, H5E_VERSION, NULL, "bad object header version number") /* reserved */ p++; @@ -210,8 +210,8 @@ H5O_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED * _udata1, /* build the message array */ oh->alloc_nmesgs = nmesgs; - if (NULL==(oh->mesg=H5FL_SEQ_CALLOC(H5O_mesg_t,(size_t)oh->alloc_nmesgs))) - HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); + if (NULL==(oh->mesg=H5FL_SEQ_MALLOC(H5O_mesg_t,(size_t)oh->alloc_nmesgs))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") /* read each chunk from disk */ while(H5F_addr_defined(chunk_addr)) { @@ -221,7 +221,7 @@ H5O_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED * _udata1, H5O_chunk_t *x = H5FL_SEQ_REALLOC (H5O_chunk_t, oh->chunk, (size_t)na); if(!x) - HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") oh->alloc_nchunks = na; oh->chunk = x; } /* end if */ @@ -232,9 +232,9 @@ H5O_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED * _udata1, oh->chunk[chunkno].addr = chunk_addr; oh->chunk[chunkno].size = chunk_size; if(NULL==(oh->chunk[chunkno].image = H5FL_BLK_MALLOC(chunk_image, chunk_size))) - HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") if(H5F_block_read(f, H5FD_MEM_OHDR, chunk_addr, chunk_size, dxpl_id, oh->chunk[chunkno].image) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_READERROR, NULL, "unable to read object header data"); + HGOTO_ERROR(H5E_OHDR, H5E_READERROR, NULL, "unable to read object header data") /* load messages from this chunk */ for(p = oh->chunk[chunkno].image; p < oh->chunk[chunkno].image + chunk_size; p += mesg_size) { @@ -267,7 +267,7 @@ H5O_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void UNUSED * _udata1, } else { /* new message */ if (oh->nmesgs >= nmesgs) - HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "corrupt object header - too many messages"); + HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "corrupt object header - too many messages") mesgno = oh->nmesgs++; oh->mesg[mesgno].type = H5O_msg_class_g[id]; oh->mesg[mesgno].dirty = FALSE; @@ -369,14 +369,13 @@ H5O_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5O_t *oh) UINT32ENCODE(p, oh->chunk[0].size); /* zero to alignment */ - HDmemset (p, 0, (size_t)(H5O_SIZEOF_HDR(f)-12)); + HDmemset(p, 0, (size_t)(H5O_SIZEOF_HDR(f)-12)); /* write the object header prefix */ /* Check if we can combine the object header prefix & the first chunk into one I/O operation */ - if(oh->chunk[0].dirty && (addr + H5O_SIZEOF_HDR(f)) == oh->chunk[0].addr) { + if(oh->chunk[0].dirty && (addr + H5O_SIZEOF_HDR(f)) == oh->chunk[0].addr) combine = TRUE; - } /* end if */ else { if(H5F_block_write(f, H5FD_MEM_OHDR, addr, (size_t)H5O_SIZEOF_HDR(f), dxpl_id, buf) < 0) HGOTO_ERROR(H5E_OHDR, H5E_WRITEERROR, FAIL, "unable to write object header hdr to disk") @@ -388,7 +387,7 @@ H5O_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5O_t *oh) HDassert(H5F_addr_defined(oh->chunk[u].addr)); if(u == 0 && combine) { /* Allocate space for the combined prefix and first chunk */ - if((p = H5FL_BLK_MALLOC(chunk_image,(H5O_SIZEOF_HDR(f)+oh->chunk[u].size))) == NULL) + if((p = H5FL_BLK_MALLOC(chunk_image, (H5O_SIZEOF_HDR(f) + oh->chunk[u].size))) == NULL) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") /* Copy in the prefix */ @@ -516,7 +515,7 @@ H5O_clear(H5F_t *f, H5O_t *oh, hbool_t destroy) if (destroy) if (H5O_dest(f, oh) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to destroy object header data"); + HGOTO_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to destroy object header data") done: FUNC_LEAVE_NOAPI(ret_value); @@ -524,18 +523,12 @@ done: /*------------------------------------------------------------------------- - * Function: H5O_compute_size + * Function: H5O_size * * Purpose: Compute the size in bytes of the specified instance of * H5O_t on disk, and return it in *len_ptr. On failure, * the value of *len_ptr is undefined. * - * The value returned will probably be low unless the object - * has just been flushed, as we simply total up the size of - * the header with the sizes of the chunks. Thus any message - * that has been added since the last flush will not be - * reflected in the total. - * * Return: Non-negative on success/Negative on failure * * Programmer: John Mainzer @@ -544,27 +537,27 @@ done: *------------------------------------------------------------------------- */ static herr_t -H5O_compute_size(const H5F_t *f, const H5O_t *oh, size_t *size_ptr) +H5O_size(const H5F_t *f, const H5O_t *oh, size_t *size_ptr) { - unsigned u; - size_t size; + size_t size; /* Running sum of the object header's size */ + unsigned u; /* Local index variable */ - FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_compute_size); + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5O_size) /* check args */ HDassert(f); HDassert(oh); HDassert(size_ptr); + /* Size of object header "prefix" */ size = H5O_SIZEOF_HDR(f); - for (u = 0; u < oh->nchunks; u++) + /* Add sizes of all the chunks */ + for(u = 0; u < oh->nchunks; u++) size += oh->chunk[u].size; - HDassert(size >= H5O_SIZEOF_HDR(f)); - *size_ptr = size; - FUNC_LEAVE_NOAPI(SUCCEED); -} /* H5O_compute_size() */ + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5O_size() */ |