diff options
| -rw-r--r-- | src/H5Oalloc.c | 15 | ||||
| -rw-r--r-- | test/tattr.c | 98 |
2 files changed, 106 insertions, 7 deletions
diff --git a/src/H5Oalloc.c b/src/H5Oalloc.c index c81bdf9..25052e7 100644 --- a/src/H5Oalloc.c +++ b/src/H5Oalloc.c @@ -2200,16 +2200,17 @@ H5O_alloc_shrink_chunk(H5F_t *f, hid_t dxpl_id, H5O_t *oh, unsigned chunkno) oh->nmesgs++; /* Initialize new null message to make the chunk large enough */ - oh->mesg[oh->nmesgs].type = H5O_MSG_NULL; - oh->mesg[oh->nmesgs].dirty = TRUE; - oh->mesg[oh->nmesgs].native = NULL; - oh->mesg[oh->nmesgs].raw = old_image + new_size + sizeof_msghdr - sizeof_chksum; - oh->mesg[oh->nmesgs].raw_size = MAX(H5O_ALIGN_OH(oh, min_chunk_size - total_msg_size), + curr_msg = &oh->mesg[oh->nmesgs - 1]; + curr_msg->type = H5O_MSG_NULL; + curr_msg->dirty = TRUE; + curr_msg->native = NULL; + curr_msg->raw = old_image + new_size + sizeof_msghdr - sizeof_chksum; + curr_msg->raw_size = MAX(H5O_ALIGN_OH(oh, min_chunk_size - total_msg_size), sizeof_msghdr) - sizeof_msghdr; - oh->mesg[oh->nmesgs].chunkno = chunkno; + curr_msg->chunkno = chunkno; /* update the new chunk size */ - new_size += oh->mesg[oh->nmesgs].raw_size + sizeof_msghdr; + new_size += curr_msg->raw_size + sizeof_msghdr; } /* end if */ /* Check for changing the chunk #0 data size enough to need adjusting the flags */ diff --git a/test/tattr.c b/test/tattr.c index 283874a..73962c5 100644 --- a/test/tattr.c +++ b/test/tattr.c @@ -10552,6 +10552,102 @@ test_attr_bug8(hid_t fcpl, hid_t fapl) /**************************************************************** ** +** test_attr_bug9(): Test basic H5A (attribute) code. +** (Really tests object header code). +** Tests adding several large attributes to an object until +** they convert to dense storage. The total size of all +** attributes is larger than 64K, causing the internal +** object header code to, after merging the deleted +** messages in to a NULL message, shrink the object header +** chunk. Do this twice: once with only attributes in the +** object header chunk and once with a (small) soft link in +** the chunk as well. In both cases, the shrunk chunk will +** initally be too small and a new NULL message must be +** created. +** +****************************************************************/ +static void +test_attr_bug9(hid_t fcpl, hid_t fapl) +{ + hid_t fid; /* File ID */ + hid_t gid; /* Group ID */ + hid_t aid; /* Attribute ID */ + hid_t sid; /* Dataspace ID */ + hsize_t dims[1] = {32768}; /* Attribute dimensions */ + int create_link; /* Whether to create a soft link */ + unsigned max_compact; /* Setting from fcpl */ + unsigned min_dense; /* Setting from fcpl */ + char aname[11]; /* Attribute name */ + unsigned i; /* Local index variable */ + herr_t ret; /* Generic return status */ + + /* Output message about test being performed */ + MESSAGE(5, ("Testing that attributes can always be added to named datatypes\n")); + + /* Create dataspace */ + sid = H5Screate_simple(1, dims, NULL); + CHECK(sid, FAIL, "H5Screate_simple"); + + /* Obtain attribute phase change settings */ + ret = H5Pget_attr_phase_change(fcpl, &max_compact, &min_dense); + CHECK(ret, FAIL, "H5Pget_attr_phase_change"); + + /* Run with and without the soft link */ + for(create_link = 0; create_link < 2; create_link++) { + /* Create file */ + fid = H5Fcreate(FILENAME, H5F_ACC_TRUNC, fcpl, fapl); + CHECK(fid, FAIL, "H5Fcreate"); + + /* Create second group */ + gid = H5Gcreate2(fid, "group", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); + CHECK(gid, FAIL, "H5Gcreate2"); + + /* Close second group */ + ret = H5Gclose(gid); + CHECK(ret, FAIL, "H5Gclose"); + + /* Open root group */ + gid = H5Gopen2(fid, "/", H5P_DEFAULT); + CHECK(gid, FAIL, "H5Gopen2"); + + /* Create enough attributes to cause a change to dense storage */ + for(i = 0; i < max_compact + 1; i++) { + /* Create attribute */ + snprintf(aname, sizeof(aname), "%u", i); + aid = H5Acreate2(gid, aname, H5T_NATIVE_CHAR, sid, H5P_DEFAULT, H5P_DEFAULT); + CHECK(aid, FAIL, "H5Acreate2"); + + /* Close attribute */ + ret = H5Aclose(aid); + CHECK(ret, FAIL, "H5Aclose"); + + /* Create enough soft links that exactly one goes into chunk 1 if + * requested */ + if(i == 0 && create_link) { + ret = H5Lcreate_soft("b", gid, "a", H5P_DEFAULT, H5P_DEFAULT); + CHECK(ret, FAIL, "H5Lcreate_soft"); + ret = H5Lcreate_soft("d", gid, "c", H5P_DEFAULT, H5P_DEFAULT); + CHECK(ret, FAIL, "H5Lcreate_soft"); + ret = H5Lcreate_soft("f", gid, "e", H5P_DEFAULT, H5P_DEFAULT); + CHECK(ret, FAIL, "H5Lcreate_soft"); + } /* end if */ + } /* end for */ + + /* Close IDs */ + ret = H5Gclose(gid); + CHECK(ret, FAIL, "H5Gclose"); + + ret = H5Fclose(fid); + CHECK(ret, FAIL, "H5Fclose"); + } /* end for */ + + /* Close dataspace */ + ret = H5Sclose(sid); + CHECK(ret, FAIL, "H5Sclose"); +} /* test_attr_bug9() */ + +/**************************************************************** +** ** test_attr(): Main H5A (attribute) testing routine. ** ****************************************************************/ @@ -10698,6 +10794,7 @@ test_attr(void) test_attr_bug6(my_fcpl, my_fapl); /* Test reading empty attribute */ test_attr_bug7(my_fcpl, my_fapl); /* Test creating and deleting large attributes in ohdr chunk 0 */ test_attr_bug8(my_fcpl, my_fapl); /* Test attribute expanding object header with undecoded messages */ + test_attr_bug9(my_fcpl, my_fapl); /* Test large attributes converting to dense storage */ } /* end for */ } /* end if */ else { @@ -10726,6 +10823,7 @@ test_attr(void) * header format and in fact fails if used with the old format, due * to the attributes being larger than 64K */ test_attr_bug8(fcpl, my_fapl); /* Test attribute expanding object header with undecoded messages */ + test_attr_bug9(fcpl, my_fapl); /* Test large attributes converting to dense storage */ } /* end else */ } /* end for */ |