diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5B.c | 44 | ||||
| -rw-r--r-- | src/H5Bprivate.h | 4 | ||||
| -rw-r--r-- | src/H5F.c | 3 | ||||
| -rw-r--r-- | src/H5Fdbg.c | 35 | ||||
| -rw-r--r-- | src/H5Fpkg.h | 3 | ||||
| -rw-r--r-- | src/H5Fsuper.c | 3 | ||||
| -rw-r--r-- | src/H5G.c | 18 | ||||
| -rw-r--r-- | src/H5Gobj.c | 40 | ||||
| -rw-r--r-- | src/H5Gpkg.h | 8 | ||||
| -rw-r--r-- | src/H5Gprivate.h | 3 | ||||
| -rw-r--r-- | src/H5Gstab.c | 75 | ||||
| -rw-r--r-- | src/H5Odtype.c | 51 | ||||
| -rw-r--r-- | src/H5Omessage.c | 2 | ||||
| -rw-r--r-- | src/H5Oprivate.h | 1 |
14 files changed, 251 insertions, 39 deletions
@@ -2057,3 +2057,47 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5B_get_info() */ +#ifndef H5_STRICT_FORMAT_CHECKS + +/*------------------------------------------------------------------------- + * Function: H5B_valid + * + * Purpose: Attempt to load a b-tree node. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Neil Fortner + * March 17, 2009 + * + *------------------------------------------------------------------------- + */ +htri_t +H5B_valid(H5F_t *f, hid_t dxpl_id, const H5B_class_t *type, haddr_t addr) +{ + H5B_t *bt; /* The btree */ + htri_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(H5B_valid, FAIL) + + /* + * Check arguments. + */ + HDassert(f); + HDassert(type); + + if(!H5F_addr_defined(addr)) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "address is undefined") + + /* Protect the node */ + if(NULL == (bt = (H5B_t *)H5AC_protect(f, dxpl_id, H5AC_BT, addr, type, NULL, H5AC_READ))) + HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, FAIL, "unable to load B-tree node") + + /* Release the node */ + if(H5AC_unprotect(f, dxpl_id, H5AC_BT, addr, bt, H5AC__NO_FLAGS_SET) < 0) + HGOTO_ERROR(H5E_BTREE, H5E_PROTECT, FAIL, "unable to release B-tree node") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5B_valid() */ +#endif /* H5_STRICT_FORMAT_CHECKS */ + diff --git a/src/H5Bprivate.h b/src/H5Bprivate.h index 93c2d80..2ec2c22 100644 --- a/src/H5Bprivate.h +++ b/src/H5Bprivate.h @@ -168,5 +168,9 @@ H5_DLL H5B_shared_t *H5B_shared_new(const H5F_t *f, const H5B_class_t *type, H5_DLL herr_t H5B_shared_free(void *_shared); H5_DLL herr_t H5B_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent, int fwidth, const H5B_class_t *type, void *udata); +#ifndef H5_STRICT_FORMAT_CHECKS +H5_DLL htri_t H5B_valid(H5F_t *f, hid_t dxpl_id, const H5B_class_t *type, + haddr_t addr); +#endif /* H5_STRICT_FORMAT_CHECKS */ #endif /* _H5Bprivate_H */ @@ -1115,6 +1115,9 @@ H5F_dest(H5F_t *f, hid_t dxpl_id) f->shared->mtab.child = (H5F_mount_t *)H5MM_xfree(f->shared->mtab.child); f->shared->mtab.nalloc = 0; + /* Free root group symbol table entry, if any */ + f->shared->root_ent = H5MM_xfree(f->shared->root_ent); + /* Destroy shared file struct */ f->shared = (H5F_file_t *)H5FL_FREE(H5F_file_t, f->shared); diff --git a/src/H5Fdbg.c b/src/H5Fdbg.c index e05c32a..a4577c9 100644 --- a/src/H5Fdbg.c +++ b/src/H5Fdbg.c @@ -123,21 +123,26 @@ H5F_debug(H5F_t *f, FILE *stream, int indent, int fwidth) "Root group symbol table entry:", f->shared->root_grp ? "" : "(none)"); if(f->shared->root_grp) { - H5O_loc_t *root_oloc; /* Root object location */ - H5G_entry_t root_ent; /* Constructed root symbol table entry */ - - /* Reset the root group entry */ - H5G_ent_reset(&root_ent); - - /* Build up a simulated root group symbol table entry */ - root_oloc = H5G_oloc(f->shared->root_grp); - HDassert(root_oloc); - root_ent.type = H5G_NOTHING_CACHED; - root_ent.header = root_oloc->addr; - root_ent.file = f; - - /* Display root group symbol table entry info */ - H5G_ent_debug(f, &root_ent, stream, indent + 3, MAX(0, fwidth - 3), NULL); + if(f->shared->root_ent) /* Use real root group symbol table entry */ + H5G_ent_debug(f, f->shared->root_ent, stream, indent + 3, + MAX(0, fwidth - 3), NULL); + else { + H5O_loc_t *root_oloc; /* Root object location */ + H5G_entry_t root_ent; /* Constructed root symbol table entry */ + + /* Reset the root group entry */ + H5G_ent_reset(&root_ent); + + /* Build up a simulated root group symbol table entry */ + root_oloc = H5G_oloc(f->shared->root_grp); + HDassert(root_oloc); + root_ent.type = H5G_NOTHING_CACHED; + root_ent.header = root_oloc->addr; + root_ent.file = f; + + /* Display root group symbol table entry info */ + H5G_ent_debug(f, &root_ent, stream, indent + 3, MAX(0, fwidth - 3), NULL); + } } /* end if */ done: diff --git a/src/H5Fpkg.h b/src/H5Fpkg.h index cc74a80..4080705 100644 --- a/src/H5Fpkg.h +++ b/src/H5Fpkg.h @@ -158,6 +158,7 @@ typedef struct H5F_file_t { int ncwfs; /* Num entries on cwfs list */ struct H5HG_heap_t **cwfs; /* Global heap cache */ struct H5G_t *root_grp; /* Open root group */ + H5G_entry_t *root_ent; /* Root group symbol table entry */ H5FO_t *open_objs; /* Open objects in file */ H5RC_t *grp_btree_shared; /* Ref-counted group B-tree node info */ @@ -193,7 +194,7 @@ struct H5F_t { H5FO_t *obj_count; /* # of time each object is opened through top file structure */ hid_t file_id; /* ID of this file */ hbool_t closing; /* File is in the process of being closed */ - struct H5F_t *parent; /* Parent file that this file is mounted to */ + struct H5F_t *parent; /* Parent file that this file is mounted to */ unsigned nmounts; /* Number of children mounted to this file */ }; diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c index 3c914bd..70e0954 100644 --- a/src/H5Fsuper.c +++ b/src/H5Fsuper.c @@ -383,7 +383,8 @@ H5F_super_read(H5F_t *f, hid_t dxpl_id, H5G_loc_t *root_loc) H5F_addr_decode(f, (const uint8_t **)&p, &shared->extension_addr/*out*/); H5F_addr_decode(f, (const uint8_t **)&p, &stored_eoa/*out*/); H5F_addr_decode(f, (const uint8_t **)&p, &shared->driver_addr/*out*/); - if(H5G_obj_ent_decode(f, (const uint8_t **)&p, root_loc->oloc/*out*/) < 0) + if(H5G_obj_ent_decode(f, (const uint8_t **)&p, root_loc->oloc/*out*/, + &shared->root_ent/*out*/) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, FAIL, "unable to read root symbol entry") /* @@ -896,6 +896,24 @@ H5G_mkroot(H5F_t *f, hid_t dxpl_id, H5G_loc_t *loc) */ if(H5O_open(loc->oloc) < 0) HGOTO_ERROR(H5E_SYM, H5E_CANTOPENOBJ, FAIL, "unable to open root group") + +#ifndef H5_STRICT_FORMAT_CHECKS + /* If symbol table information is cached, check if we should replace the + * symbol table message with the cached symbol table information */ + if((H5F_INTENT(f) & H5F_ACC_RDWR) && f->shared->root_ent + && (f->shared->root_ent->type == H5G_CACHED_STAB)) { + H5O_stab_t cached_stab; + + /* Retrieve the cached symbol table information */ + cached_stab.btree_addr = f->shared->root_ent->cache.stab.btree_addr; + cached_stab.heap_addr = f->shared->root_ent->cache.stab.heap_addr; + + /* Check if the symbol table message is valid, and replace with the + * cached symbol table if necessary */ + if(H5G_stab_valid(loc->oloc, dxpl_id, &cached_stab) < 0) + HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "unable to verify symbol table") + } /* end if */ +#endif /* H5_STRICT_FORMAT_CHECKS */ } /* end else */ /* Create the path names for the root group's entry */ diff --git a/src/H5Gobj.c b/src/H5Gobj.c index 3220b67..2eb1924 100644 --- a/src/H5Gobj.c +++ b/src/H5Gobj.c @@ -237,31 +237,49 @@ done: *------------------------------------------------------------------------- */ herr_t -H5G_obj_ent_decode(H5F_t *f, const uint8_t **pp, H5O_loc_t *oloc) +H5G_obj_ent_decode(H5F_t *f, const uint8_t **pp, H5O_loc_t *oloc, H5G_entry_t **entp) { const uint8_t *p_ret = *pp; + herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOFUNC(H5G_obj_ent_decode) + FUNC_ENTER_NOAPI(H5G_obj_ent_decode, FAIL) /* check arguments */ HDassert(f); HDassert(pp); HDassert(oloc); - /* Set file pointer for root object location */ - oloc->file = f; + if(entp) { + /* If entp is not NULL we allocate space for the symbol table entry and + * decode the entire entry. */ + if(!(*entp)) /* Only allocate space if *entp is NULL */ + if(NULL == (*entp = (H5G_entry_t *) H5MM_calloc(sizeof(H5G_entry_t)))) + HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, FAIL, "can't allocate space for symbol table entry") + if(H5G_ent_decode_vec(f, pp, *entp, 1) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTDECODE, FAIL, "can't decode symbol table entry") + + /* Set oloc to the correct values */ + oloc->file = (*entp)->file; + oloc->addr = (*entp)->header; + } else { + /* Set file pointer for root object location */ + oloc->file = f; + + /* decode header */ + *pp += H5F_SIZEOF_SIZE(f); /* Skip over local heap address */ + H5F_addr_decode(f, pp, &(oloc->addr)); + *pp += 4; /* Skip over "cache type" */ + *pp += 4; /* Reserved */ + } + + /* Common oloc settings */ oloc->holding_file = FALSE; - /* decode header */ - *pp += H5F_SIZEOF_SIZE(f); /* Skip over local heap address */ - H5F_addr_decode(f, pp, &(oloc->addr)); - *pp += 4; /* Skip over "cache type" */ - *pp += 4; /* Reserved */ - /* Set decode pointer */ *pp = p_ret + H5G_SIZEOF_ENTRY(f); - FUNC_LEAVE_NOAPI(SUCCEED) +done: + FUNC_LEAVE_NOAPI(ret_value) } /* end H5G_obj_ent_decode() */ diff --git a/src/H5Gpkg.h b/src/H5Gpkg.h index 31e5713..38c7628 100644 --- a/src/H5Gpkg.h +++ b/src/H5Gpkg.h @@ -100,14 +100,14 @@ typedef union H5G_cache_t { * also appears in the object header to which this symbol table entry * points. */ -typedef struct H5G_entry_t { +struct H5G_entry_t { hbool_t dirty; /*entry out-of-date? */ H5G_cache_type_t type; /*type of information cached */ H5G_cache_t cache; /*cached data from object header */ size_t name_off; /*offset of name within name heap */ haddr_t header; /*file address of object header */ H5F_t *file; /*file to which this obj hdr belongs */ -} H5G_entry_t; +}; /* * A symbol table node is a collection of symbol table entries. It can @@ -402,6 +402,10 @@ H5_DLL herr_t H5G_stab_lookup(H5O_loc_t *grp_oloc, const char *name, H5O_link_t *lnk, hid_t dxpl_id); H5_DLL herr_t H5G_stab_lookup_by_idx(H5O_loc_t *grp_oloc, H5_iter_order_t order, hsize_t n, H5O_link_t *lnk, hid_t dxpl_id); +#ifndef H5_STRICT_FORMAT_CHECKS +H5_DLL herr_t H5G_stab_valid(H5O_loc_t *grp_oloc, hid_t dxpl_id, + H5O_stab_t *alt_stab); +#endif /* H5_STRICT_FORMAT_CHECKS */ #ifndef H5_NO_DEPRECATED_SYMBOLS H5_DLL H5G_obj_t H5G_stab_get_type_by_idx(H5O_loc_t *oloc, hsize_t idx, hid_t dxpl_id); diff --git a/src/H5Gprivate.h b/src/H5Gprivate.h index 591be6b..b1db96f 100644 --- a/src/H5Gprivate.h +++ b/src/H5Gprivate.h @@ -145,6 +145,7 @@ typedef struct { typedef struct H5G_t H5G_t; typedef struct H5G_shared_t H5G_shared_t; +typedef struct H5G_entry_t H5G_entry_t; /* * Library prototypes... These are the ones that other packages routinely @@ -181,7 +182,7 @@ H5_DLL herr_t H5G_node_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream * These functions operate on group object locations. */ H5_DLL herr_t H5G_obj_ent_decode(H5F_t *f, const uint8_t **pp, - struct H5O_loc_t *oloc); + struct H5O_loc_t *oloc, H5G_entry_t **entp); H5_DLL herr_t H5G_obj_ent_encode(const H5F_t *f, uint8_t **pp, const struct H5O_loc_t *oloc); diff --git a/src/H5Gstab.c b/src/H5Gstab.c index f79d78b..c2df8e7 100644 --- a/src/H5Gstab.c +++ b/src/H5Gstab.c @@ -982,6 +982,81 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5G_stab_lookup_by_idx() */ +#ifndef H5_STRICT_FORMAT_CHECKS + +/*------------------------------------------------------------------------- + * Function: H5G_stab_valid + * + * Purpose: Verify that a group's symbol table message is valid. If + * provided, the addresses in alt_stab will be tried if the + * addresses in the group's stab message are invalid, and + * the stab message will be updated if necessary. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Neil Fortner + * nfortne2@hdfgroup.org + * Mar 17, 2009 + * + *------------------------------------------------------------------------- + */ +herr_t +H5G_stab_valid(H5O_loc_t *grp_oloc, hid_t dxpl_id, H5O_stab_t *alt_stab) +{ + H5O_stab_t stab; /* Current symbol table */ + H5HL_t *heap = NULL; /* Pointer to local heap */ + hbool_t changed = FALSE; /* Whether stab has been modified */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(H5G_stab_valid, FAIL) + + /* Read the symbol table message */ + H5O_msg_read(grp_oloc, H5O_STAB_ID, &stab, dxpl_id); + + /* Check if the symbol table message's b-tree address is valid */ + if(H5B_valid(grp_oloc->file, dxpl_id, H5B_SNODE, stab.btree_addr) < 0) { + /* Address is invalid, try the b-tree address in the alternate symbol + * table message */ + if(!alt_stab || H5B_valid(grp_oloc->file, dxpl_id, H5B_SNODE, alt_stab->btree_addr) < 0) + HGOTO_ERROR(H5E_BTREE, H5E_NOTFOUND, FAIL, "unable to locate b-tree") + else { + /* The alternate symbol table's b-tree address is valid. Adjust the + * symbol table message in the group. */ + stab.btree_addr = alt_stab->btree_addr; + changed = TRUE; + } /* end else */ + } /* end if */ + + /* Check if the symbol table message's heap address is valid */ + if(NULL == (heap = H5HL_protect(grp_oloc->file, dxpl_id, stab.heap_addr, H5AC_READ))) { + /* Address is invalid, try the heap address in the alternate symbol + * table message */ + if(!alt_stab || NULL == (heap = H5HL_protect(grp_oloc->file, dxpl_id, alt_stab->heap_addr, H5AC_READ))) + HGOTO_ERROR(H5E_HEAP, H5E_NOTFOUND, FAIL, "unable to locate heap") + else { + /* The alternate symbol table's heap address is valid. Adjust the + * symbol table message in the group. */ + stab.heap_addr = alt_stab->heap_addr; + changed = TRUE; + } /* end else */ + } /* end if */ + + /* Update the symbol table message and clear errors if necessary */ + if(changed) { + H5E_clear_stack(NULL); + if(H5O_msg_write(grp_oloc, H5O_STAB_ID, 0, H5O_UPDATE_TIME | H5O_UPDATE_FORCE, &stab, dxpl_id) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to correct symbol table message") + } /* end if */ + +done: + /* Release resources */ + if(heap && H5HL_unprotect(grp_oloc->file, dxpl_id, heap, stab.heap_addr) < 0) + HDONE_ERROR(H5E_SYM, H5E_PROTECT, FAIL, "unable to unprotect symbol table heap") + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5G_stab_valid */ +#endif /* H5_STRICT_FORMAT_CHECKS */ + #ifndef H5_NO_DEPRECATED_SYMBOLS /*------------------------------------------------------------------------- diff --git a/src/H5Odtype.c b/src/H5Odtype.c index 60f77d9..fe8c627 100644 --- a/src/H5Odtype.c +++ b/src/H5Odtype.c @@ -115,20 +115,23 @@ const H5O_msg_class_t H5O_MSG_DTYPE[1] = {{ * * Purpose: Decodes a datatype * - * Return: Non-negative on success/Negative on failure + * Return: TRUE if we can upgrade the parent type's version even + * with strict format checks + * FALSE if we cannot + * Negative on failure * * Programmer: Robb Matzke * Monday, December 8, 1997 * *------------------------------------------------------------------------- */ -static herr_t +static htri_t H5O_dtype_decode_helper(H5F_t *f, unsigned *ioflags/*in,out*/, const uint8_t **pp, H5T_t *dt) { unsigned flags, version; unsigned i; size_t z; - herr_t ret_value = SUCCEED; /* Return value */ + htri_t ret_value = FALSE; /* Return value */ FUNC_ENTER_NOAPI_NOINIT(H5O_dtype_decode_helper) @@ -254,6 +257,7 @@ H5O_dtype_decode_helper(H5F_t *f, unsigned *ioflags/*in,out*/, const uint8_t **p unsigned offset_nbytes; /* Size needed to encode member offsets */ size_t max_memb_pos = 0; /* Maximum member covered, so far */ unsigned max_version = 0; /* Maximum member version */ + hbool_t upgrade_to = 0; /* Version number we can "soft" upgrade to */ unsigned j; /* Compute the # of bytes required to store a member offset */ @@ -271,6 +275,7 @@ H5O_dtype_decode_helper(H5F_t *f, unsigned *ioflags/*in,out*/, const uint8_t **p HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") for(i = 0; i < dt->shared->u.compnd.nmembs; i++) { unsigned ndims = 0; /* Number of dimensions of the array field */ + htri_t can_upgrade; /* Whether we can upgrade this type's version */ hsize_t dim[H5O_LAYOUT_NDIMS]; /* Dimensions of the array */ H5T_t *array_dt; /* Temporary pointer to the array datatype */ H5T_t *temp_type; /* Temporary pointer to the field's datatype */ @@ -318,16 +323,20 @@ H5O_dtype_decode_helper(H5F_t *f, unsigned *ioflags/*in,out*/, const uint8_t **p HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") /* Decode the field's datatype information */ - if(H5O_dtype_decode_helper(f, ioflags, pp, temp_type) < 0) { + if((can_upgrade = H5O_dtype_decode_helper(f, ioflags, pp, temp_type)) < 0) { for(j = 0; j <= i; j++) H5MM_xfree(dt->shared->u.compnd.memb[j].name); H5MM_xfree(dt->shared->u.compnd.memb); HGOTO_ERROR(H5E_DATATYPE, H5E_CANTDECODE, FAIL, "unable to decode member type") } /* end if */ - /* Keep track of the maximum member version found */ - if(temp_type->shared->version > max_version) - max_version = temp_type->shared->version; + /* Upgrade the version if we can and it is necessary */ + if(can_upgrade && temp_type->shared->version > version) { + upgrade_to = temp_type->shared->version; + + /* Pass "can_upgrade" flag down to parent type */ + ret_value = TRUE; + } /* end if */ /* Go create the array datatype now, for older versions of the datatype message */ if(version == H5O_DTYPE_VERSION_1) { @@ -346,9 +355,26 @@ H5O_dtype_decode_helper(H5F_t *f, unsigned *ioflags/*in,out*/, const uint8_t **p /* Make the array type the type that is set for the field */ temp_type = array_dt; + + /* Reset array version if NOCHANGE is specified (i.e. h5debug) */ + if(*ioflags & H5O_DECODEIO_NOCHANGE) + temp_type->shared->version = H5O_DTYPE_VERSION_1; + else { + /* Otherwise upgrade the compound version */ + if(upgrade_to < temp_type->shared->version) + upgrade_to = temp_type->shared->version; + + /* Set the return value to indicate that we should freely + * upgrade parent types */ + ret_value = TRUE; + } /* end else */ } /* end if */ } /* end if */ + /* Keep track of the maximum member version found */ + if(temp_type->shared->version > max_version) + max_version = temp_type->shared->version; + /* * Set the "force conversion" flag if VL datatype fields exist in this * type or any component types @@ -397,6 +423,17 @@ H5O_dtype_decode_helper(H5F_t *f, unsigned *ioflags/*in,out*/, const uint8_t **p dt->shared->u.compnd.packed = FALSE; } /* end if */ } /* end for */ + + /* Upgrade the compound if requested */ + if(version < upgrade_to) { + version = upgrade_to; + if(H5T_upgrade_version(dt, upgrade_to) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't upgrade compound encoding version") + /* We won't mark the message dirty since there were no + * errors in the file, simply type versions that we will no + * longer encode. */ + } /* end if */ + /* Check that no member of this compound has a version greater * than the compound itself. */ H5O_DTYPE_CHECK_VERSION(dt, version, max_version, ioflags, "compound", FAIL) diff --git a/src/H5Omessage.c b/src/H5Omessage.c index 286240c..4a9ecb5 100644 --- a/src/H5Omessage.c +++ b/src/H5Omessage.c @@ -393,7 +393,7 @@ H5O_msg_write_real(H5F_t *f, hid_t dxpl_id, H5O_t *oh, const H5O_msg_class_t *ty HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "message type not found") /* Check for modifying a constant message */ - if(idx_msg->flags & H5O_MSG_FLAG_CONSTANT) + if(!(update_flags & H5O_UPDATE_FORCE) && (idx_msg->flags & H5O_MSG_FLAG_CONSTANT)) HGOTO_ERROR(H5E_OHDR, H5E_WRITEERROR, FAIL, "unable to modify constant message") /* This message is shared, but it's being modified. */ else if((idx_msg->flags & H5O_MSG_FLAG_SHARED) || (idx_msg->flags & H5O_MSG_FLAG_SHAREABLE)) { diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h index c8611b3..82f6b12 100644 --- a/src/H5Oprivate.h +++ b/src/H5Oprivate.h @@ -79,6 +79,7 @@ typedef struct H5O_t H5O_t; /* Flags for updating messages */ #define H5O_UPDATE_TIME 0x01u +#define H5O_UPDATE_FORCE 0x02u /* Force updating the message */ /* Hash value constants */ #define H5O_HASH_SIZE 32 |