diff options
Diffstat (limited to 'src/H5Fsuper.c')
| -rw-r--r-- | src/H5Fsuper.c | 77 |
1 files changed, 66 insertions, 11 deletions
diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c index 6a72b57..72d1965 100644 --- a/src/H5Fsuper.c +++ b/src/H5Fsuper.c @@ -112,6 +112,7 @@ /********************/ static herr_t H5F_super_ext_create(H5F_t *f, hid_t dxpl_id, H5O_loc_t *ext_ptr); static herr_t H5F_super_ext_open(H5F_t *f, H5O_loc_t *ext_ptr); +static herr_t H5F_super_ext_write_msg(H5F_t *f, hid_t dxpl_id, void *mesg, unsigned id, hbool_t may_create); static herr_t H5F_super_ext_close(H5F_t *f, H5O_loc_t *ext_ptr); @@ -1109,7 +1110,6 @@ H5F_super_write(H5F_t *f, hid_t dxpl_id) /* Check for driver info message */ H5_ASSIGN_OVERFLOW(driver_size, H5FD_sb_size(f->shared->lf), hsize_t, size_t); if(driver_size > 0) { - H5O_loc_t ext_loc; /* "Object location" for superblock extension */ H5O_drvinfo_t drvinfo; /* Driver info */ uint8_t dbuf[H5F_MAX_DRVINFOBLOCK_SIZE]; /* Driver info block encoding buffer */ @@ -1120,19 +1120,11 @@ H5F_super_write(H5F_t *f, hid_t dxpl_id) if(H5FD_sb_encode(f->shared->lf, drvinfo.name, dbuf) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to encode driver information") - /* Open the superblock extension */ - if(H5F_super_ext_open(f, &ext_loc) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTOPENOBJ, FAIL, "unable to start file's superblock extension") - /* Write driver info information to the superblock extension */ drvinfo.len = driver_size; drvinfo.buf = dbuf; - if(H5O_msg_write(&ext_loc, H5O_DRVINFO_ID, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, &drvinfo, dxpl_id) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to update driver info header message") - - /* Close superblock extension */ - if(H5F_super_ext_close(f, &ext_loc) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close file's superblock extension") + if(H5F_super_ext_write_msg(f, dxpl_id, &drvinfo, H5O_DRVINFO_ID, FALSE) < 0) + HGOTO_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, "unable to update driver info header message") } /* end if */ } /* end if */ @@ -1181,3 +1173,66 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* H5F_super_ext_size() */ + +/*------------------------------------------------------------------------- + * Function: H5F_super_ext_write_msg() + * + * Purpose: Write the message with ID to the superblock extension + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Vailin Choi; Feb 2009 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5F_super_ext_write_msg(H5F_t *f, hid_t dxpl_id, void *mesg, unsigned id, hbool_t may_create) +{ + H5O_loc_t ext_loc; /* "Object location" for superblock extension */ + htri_t status; /* Indicate whether the message exists or not */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT(H5F_super_ext_write_msg) + + /* Open/create the superblock extension object header */ + if(H5F_addr_defined(f->shared->extension_addr)) { + if(H5F_super_ext_open(f, &ext_loc) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTOPENOBJ, FAIL, "unable to open file's superblock extension") + } /* end if */ + else { + HDassert(may_create); + if(H5F_super_ext_create(f, dxpl_id, &ext_loc) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTCREATE, FAIL, "unable to create file's superblock extension") + } /* end else */ + HDassert(H5F_addr_defined(ext_loc.addr)); + + /* Check if message with ID does not exist in the object header */ + if((status = H5O_msg_exists(&ext_loc, id, dxpl_id)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to check object header for message or message exists") + + /* Check for creating vs. writing */ + if(may_create) { + if(status) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should not exist") + + /* Create the message with ID in the superblock extension */ + if(H5O_msg_create(&ext_loc, id, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, mesg, dxpl_id) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to create the message in object header") + } /* end if */ + else { + if(!status) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "Message should exist") + + /* Update the message with ID in the superblock extension */ + if(H5O_msg_write(&ext_loc, id, H5O_MSG_FLAG_DONTSHARE, H5O_UPDATE_TIME, mesg, dxpl_id) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to write the message in object header") + } /* end else */ + + /* Close the superblock extension object header */ + if(H5F_super_ext_close(f, &ext_loc) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close file's superblock extension") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* H5F_super_ext_write_msg() */ + |