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author | Quincey Koziol <koziol@hdfgroup.org> | 2018-03-18 23:36:49 (GMT) |
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committer | Quincey Koziol <koziol@hdfgroup.org> | 2018-03-18 23:36:49 (GMT) |
commit | f38864920d4e0bc8adaf9a23fd3f775ad90cb3f7 (patch) | |
tree | b5f709e5415db2f1a9287b43565fea826b3018f5 /src/H5Ocache.c | |
parent | 4a17aff4085ad6ee265b95730aca3f493056dec8 (diff) | |
parent | 7aa4eb1b04014f1ad7e1c857ca6509aeeb6c0ae7 (diff) | |
download | hdf5-f38864920d4e0bc8adaf9a23fd3f775ad90cb3f7.zip hdf5-f38864920d4e0bc8adaf9a23fd3f775ad90cb3f7.tar.gz hdf5-f38864920d4e0bc8adaf9a23fd3f775ad90cb3f7.tar.bz2 |
Merge branch 'develop' of https://bitbucket.hdfgroup.org/scm/hdffv/hdf5 into merge_func_enter_vol
Plus initial steps toward merging API context push into FUNC_ENTER_API* macros
Diffstat (limited to 'src/H5Ocache.c')
-rw-r--r-- | src/H5Ocache.c | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/src/H5Ocache.c b/src/H5Ocache.c index 02dd63f..3607839 100644 --- a/src/H5Ocache.c +++ b/src/H5Ocache.c @@ -262,12 +262,23 @@ H5O__cache_verify_chksum(const void *_image, size_t len, void *_udata) uint32_t stored_chksum; /* Stored metadata checksum value */ uint32_t computed_chksum; /* Computed metadata checksum value */ - /* Get stored and computed checksums */ - H5F_get_checksums(image, len, &stored_chksum, &computed_chksum); - - if(stored_chksum != computed_chksum) - ret_value = FALSE; + /* Get stored and computed checksums */ + H5F_get_checksums(image, len, &stored_chksum, &computed_chksum); + + if(stored_chksum != computed_chksum) { + /* These fields are not deserialized yet in H5O__prefix_deserialize() */ + HDassert(udata->oh->chunk == NULL); + HDassert(udata->oh->mesg == NULL); + HDassert(udata->oh->proxy == NULL); + + /* Indicate that udata->oh is to be freed later + in H5O__prefix_deserialize() */ + udata->free_oh = TRUE; + ret_value = FALSE; + } /* end if */ } /* end if */ + else + HDassert(!(udata->common.file_intent & H5F_ACC_SWMR_WRITE)); FUNC_LEAVE_NOAPI(ret_value) } /* end H5O__cache_verify_chksum() */ @@ -1251,8 +1262,22 @@ H5O__prefix_deserialize(const uint8_t *_image, H5O_cache_ud_t *udata) /* Verify object header prefix length */ HDassert((size_t)(image - _image) == (size_t)(H5O_SIZEOF_HDR(oh) - H5O_SIZEOF_CHKSUM_OH(oh))); - /* Save the object header for later use in 'deserialize' callback */ - udata->oh = oh; + /* If udata->oh is to be freed (see H5O__cache_verify_chksum), + save the pointer to udata->oh and free it later after setting + udata->oh with the new object header */ + if(udata->free_oh) { + H5O_t *saved_oh = udata->oh; + HDassert(udata->oh); + + /* Save the object header for later use in 'deserialize' callback */ + udata->oh = oh; + if(H5O__free(saved_oh) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTRELEASE, FAIL, "can't destroy object header") + udata->free_oh = FALSE; + } else + /* Save the object header for later use in 'deserialize' callback */ + udata->oh = oh; + oh = NULL; done: @@ -1503,7 +1528,7 @@ H5O__chunk_deserialize(H5O_t *oh, haddr_t addr, size_t len, const uint8_t *image H5O_cont_t *cont; /* Decode continuation message */ - cont = (H5O_cont_t *)(H5O_MSG_CONT->decode)(udata->f, NULL, 0, &ioflags, mesg->raw); + cont = (H5O_cont_t *)(H5O_MSG_CONT->decode)(udata->f, NULL, 0, &ioflags, mesg->raw_size, mesg->raw); H5_CHECKED_ASSIGN(cont->chunkno, unsigned, udata->cont_msg_info->nmsgs + 1, size_t); /* the next continuation message/chunk */ /* Save 'native' form of continuation message */ @@ -1519,7 +1544,7 @@ H5O__chunk_deserialize(H5O_t *oh, haddr_t addr, size_t len, const uint8_t *image /* Decode ref. count message */ HDassert(oh->version > H5O_VERSION_1); - refcount = (H5O_refcount_t *)(H5O_MSG_REFCOUNT->decode)(udata->f, NULL, 0, &ioflags, mesg->raw); + refcount = (H5O_refcount_t *)(H5O_MSG_REFCOUNT->decode)(udata->f, NULL, 0, &ioflags, mesg->raw_size, mesg->raw); /* Save 'native' form of ref. count message */ mesg->native = refcount; |