/**************************************************************************** * NCSA HDF * * Scientific Data Technologies * * National Center for Supercomputing Applications * * University of Illinois at Urbana-Champaign * * 605 E. Springfield, Champaign IL 61820 * * * * For conditions of distribution and use, see the accompanying * * hdf/COPYING file. * * * ****************************************************************************/ #include "H5LT.h" #include #include /*------------------------------------------------------------------------- * * Private functions * *------------------------------------------------------------------------- */ herr_t H5LT_open_id( hid_t loc_id, const char *obj_name, int obj_type ); herr_t H5LT_close_id( hid_t obj_id, int obj_type ); /*------------------------------------------------------------------------- * * Public functions * *------------------------------------------------------------------------- */ /*------------------------------------------------------------------------- * Function: H5LTmake_dataset * * Purpose: Creates and writes a dataset of a type tid * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: March 19, 2001 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ herr_t H5LTmake_dataset( hid_t loc_id, const char *dset_name, int rank, const hsize_t *dims, hid_t tid, const void *data ) { hid_t did, sid; /* Create the data space for the dataset. */ if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) return -1; /* Create the dataset. */ if ( (did = H5Dcreate( loc_id, dset_name, tid, sid, H5P_DEFAULT )) < 0 ) goto out; /* Write the dataset only if there is data to write */ if ( data ) { if ( H5Dwrite( did, tid, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; } /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) < 0 ) return -1; /* Terminate access to the data space. */ if ( H5Sclose( sid ) < 0 ) return -1; return 0; out: H5Dclose( did ); H5Sclose( sid ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTmake_dataset_char * * Purpose: Creates and writes a dataset of H5T_NATIVE_CHAR type * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 14, 2001 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ herr_t H5LTmake_dataset_char( hid_t loc_id, const char *dset_name, int rank, const hsize_t *dims, const char *data ) { hid_t did, sid; /* Create the data space for the dataset. */ if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) return -1; /* Create the dataset. */ if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_CHAR, sid, H5P_DEFAULT )) < 0 ) goto out; /* Write the dataset only if there is data to write */ if ( data ) { if ( H5Dwrite( did, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; } /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) < 0 ) return -1; /* Terminate access to the data space. */ if ( H5Sclose( sid ) < 0 ) return -1; return 0; out: H5Dclose( did ); H5Sclose( sid ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTmake_dataset_short * * Purpose: Creates and writes a dataset of H5T_NATIVE_SHORT type * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 14, 2001 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ herr_t H5LTmake_dataset_short( hid_t loc_id, const char *dset_name, int rank, const hsize_t *dims, const short *data ) { hid_t did, sid; /* Create the data space for the dataset. */ if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) return -1; /* Create the dataset. */ if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_SHORT, sid, H5P_DEFAULT )) < 0 ) goto out; /* Write the dataset only if there is data to write */ if ( data ) { if ( H5Dwrite( did, H5T_NATIVE_SHORT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; } /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) < 0 ) return -1; /* Terminate access to the data space. */ if ( H5Sclose( sid ) < 0 ) return -1; return 0; out: H5Dclose( did ); H5Sclose( sid ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTmake_dataset_int * * Purpose: Creates and writes a dataset of H5T_NATIVE_INT type * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 14, 2001 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ herr_t H5LTmake_dataset_int( hid_t loc_id, const char *dset_name, int rank, const hsize_t *dims, const int *data ) { hid_t did, sid; /* Create the data space for the dataset. */ if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) return -1; /* Create the dataset. */ if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_INT, sid, H5P_DEFAULT )) < 0 ) goto out; /* Write the dataset only if there is data to write */ if ( data ) { if ( H5Dwrite( did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; } /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) < 0 ) return -1; /* Terminate access to the data space. */ if ( H5Sclose( sid ) < 0 ) return -1; return 0; out: H5Dclose( did ); H5Sclose( sid ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTmake_dataset_long * * Purpose: Creates and writes a dataset of H5T_NATIVE_LONG type * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 14, 2001 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ herr_t H5LTmake_dataset_long( hid_t loc_id, const char *dset_name, int rank, const hsize_t *dims, const long *data ) { hid_t did, sid; /* Create the data space for the dataset. */ if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) return -1; /* Create the dataset. */ if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_LONG, sid, H5P_DEFAULT )) < 0 ) goto out; /* Write the dataset only if there is data to write */ if ( data ) { if ( H5Dwrite( did, H5T_NATIVE_LONG, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; } /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) < 0 ) return -1; /* Terminate access to the data space. */ if ( H5Sclose( sid ) < 0 ) return -1; return 0; out: H5Dclose( did ); H5Sclose( sid ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTmake_dataset_float * * Purpose: Creates and writes a dataset of H5T_NATIVE_FLOAT type * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 14, 2001 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ herr_t H5LTmake_dataset_float( hid_t loc_id, const char *dset_name, int rank, const hsize_t *dims, const float *data ) { hid_t did, sid; /* Create the data space for the dataset. */ if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) return -1; /* Create the dataset. */ if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_FLOAT, sid, H5P_DEFAULT )) < 0 ) goto out; /* Write the dataset only if there is data to write */ if ( data ) { if ( H5Dwrite( did, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; } /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) < 0 ) return -1; /* Terminate access to the data space. */ if ( H5Sclose( sid ) < 0 ) return -1; return 0; out: H5Dclose( did ); H5Sclose( sid ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTmake_dataset_double * * Purpose: Creates and writes a dataset of H5T_NATIVE_DOUBLE type * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 14, 2001 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ herr_t H5LTmake_dataset_double( hid_t loc_id, const char *dset_name, int rank, const hsize_t *dims, const double *data ) { hid_t did, sid; /* Create the data space for the dataset. */ if ( (sid = H5Screate_simple( rank, dims, NULL )) < 0 ) return -1; /* Create the dataset. */ if ( (did = H5Dcreate( loc_id, dset_name, H5T_NATIVE_DOUBLE, sid, H5P_DEFAULT )) < 0 ) goto out; /* Write the dataset only if there is data to write */ if ( data ) { if ( H5Dwrite( did, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; } /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) < 0 ) return -1; /* Terminate access to the data space. */ if ( H5Sclose( sid ) < 0 ) return -1; return 0; out: H5Dclose( did ); H5Sclose( sid ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTmake_dataset_string * * Purpose: Creates and writes a dataset of H5T_C_S1 type * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: October 05, 2004 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ herr_t H5LTmake_dataset_string(hid_t loc_id, const char *dset_name, const char *buf ) { hid_t did=-1; hid_t sid=-1; hid_t tid; size_t size; /* create a string data type */ if ( (tid = H5Tcopy( H5T_C_S1 )) < 0 ) goto out; size = strlen(buf) + 1; /* extra null term */ if ( H5Tset_size(tid,size) < 0 ) goto out; if ( H5Tset_strpad(tid,H5T_STR_NULLTERM ) < 0 ) goto out; /* Create the data space for the dataset. */ if ( (sid = H5Screate( H5S_SCALAR )) < 0 ) goto out; /* Create the dataset. */ if ( (did = H5Dcreate(loc_id,dset_name,tid,sid,H5P_DEFAULT)) < 0 ) goto out; /* Write the dataset only if there is data to write */ if (buf) { if ( H5Dwrite(did,tid,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf) < 0 ) goto out; } /* close*/ if ( H5Dclose(did) < 0 ) return -1; if ( H5Sclose(sid) < 0 ) return -1; if ( H5Tclose(tid) < 0 ) goto out; return 0; out: H5Dclose(did); H5Tclose(tid); H5Sclose(sid); return -1; } /*------------------------------------------------------------------------- * Function: H5LTread_dataset * * Purpose: Reads a dataset from disk. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: June 13, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTread_dataset( hid_t loc_id, const char *dset_name, hid_t tid, void *data ) { hid_t did; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; /* Read */ if ( H5Dread( did, tid, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) ) return -1; return 0; out: H5Dclose( did ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTread_dataset_char * * Purpose: Reads a dataset from disk. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 5, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTread_dataset_char( hid_t loc_id, const char *dset_name, char *data ) { hid_t did; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; /* Read */ if ( H5Dread( did, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) ) return -1; return 0; out: H5Dclose( did ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTread_dataset_short * * Purpose: Reads a dataset from disk. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 5, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTread_dataset_short( hid_t loc_id, const char *dset_name, short *data ) { hid_t did; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; /* Read */ if ( H5Dread( did, H5T_NATIVE_SHORT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) ) return -1; return 0; out: H5Dclose( did ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTread_dataset_int * * Purpose: Reads a dataset from disk. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 5, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTread_dataset_int( hid_t loc_id, const char *dset_name, int *data ) { hid_t did; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; /* Read */ if ( H5Dread( did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) ) return -1; return 0; out: H5Dclose( did ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTread_dataset_long * * Purpose: Reads a dataset from disk. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 5, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTread_dataset_long( hid_t loc_id, const char *dset_name, long *data ) { hid_t did; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; /* Read */ if ( H5Dread( did, H5T_NATIVE_LONG, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) ) return -1; return 0; out: H5Dclose( did ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTread_dataset_float * * Purpose: Reads a dataset from disk. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 5, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTread_dataset_float( hid_t loc_id, const char *dset_name, float *data ) { hid_t did; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; /* Read */ if ( H5Dread( did, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) ) return -1; return 0; out: H5Dclose( did ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTread_dataset_double * * Purpose: Reads a dataset from disk. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 5, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTread_dataset_double( hid_t loc_id, const char *dset_name, double *data ) { hid_t did; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; /* Read */ if ( H5Dread( did, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, H5P_DEFAULT, data ) < 0 ) goto out; /* End access to the dataset and release resources used by it. */ if ( H5Dclose( did ) ) return -1; return 0; out: H5Dclose( did ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTread_dataset_string * * Purpose: Reads a dataset * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: October 05, 2004 * *------------------------------------------------------------------------- */ herr_t H5LTread_dataset_string( hid_t loc_id, const char *dset_name, char *buf ) { hid_t did; hid_t tid; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; if ( (tid = H5Dget_type(did)) < 0 ) goto out; /* Read */ if ( H5Dread(did,tid,H5S_ALL,H5S_ALL,H5P_DEFAULT,buf) < 0 ) goto out; /* close */ if ( H5Dclose(did) ) goto out; if ( H5Tclose(tid) ) return -1; return 0; out: H5Dclose( did ); H5Tclose( tid ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTget_dataset_ndims * * Purpose: Gets the dimensionality of a dataset. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 4, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTget_dataset_ndims( hid_t loc_id, const char *dset_name, int *rank ) { hid_t did; hid_t sid; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; /* Get the dataspace handle */ if ( (sid = H5Dget_space( did )) < 0 ) goto out; /* Get rank */ if ( (*rank = H5Sget_simple_extent_ndims( sid )) < 0 ) goto out; /* Terminate access to the dataspace */ if ( H5Sclose( sid ) < 0 ) goto out; /* End access to the dataset */ if ( H5Dclose( did ) ) return -1; return 0; out: H5Dclose( did ); H5Sclose( sid ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTget_dataset_info * * Purpose: Gets information about a dataset. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 4, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTget_dataset_info( hid_t loc_id, const char *dset_name, hsize_t *dims, H5T_class_t *type_class, size_t *type_size ) { hid_t did; hid_t tid; hid_t sid; /* Open the dataset. */ if ( (did = H5Dopen( loc_id, dset_name )) < 0 ) return -1; /* Get an identifier for the datatype. */ tid = H5Dget_type( did ); /* Get the class. */ *type_class = H5Tget_class( tid ); /* Get the size. */ *type_size = H5Tget_size( tid ); /* Get the dataspace handle */ if ( (sid = H5Dget_space( did )) < 0 ) goto out; /* Get dimensions */ if ( H5Sget_simple_extent_dims( sid, dims, NULL) < 0 ) goto out; /* Terminate access to the dataspace */ if ( H5Sclose( sid ) < 0 ) goto out; /* Release the datatype. */ if ( H5Tclose( tid ) ) return -1; /* End access to the dataset */ if ( H5Dclose( did ) ) return -1; return 0; out: H5Tclose( tid ); H5Dclose( did ); return -1; } /*------------------------------------------------------------------------- * Function: find_dataset * * Purpose: operator function used by H5LTfind_dataset * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: June 21, 2001 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ static herr_t find_dataset( hid_t loc_id, const char *name, void *op_data) { /* Define a default zero value for return. This will cause the iterator to continue if * the dataset is not found yet. */ int ret = 0; char *dset_name = (char*)op_data; /* Shut the compiler up */ loc_id=loc_id; /* Define a positive value for return value if the dataset was found. This will * cause the iterator to immediately return that positive value, * indicating short-circuit success */ if( strcmp( name, dset_name ) == 0 ) ret = 1; return ret; } /*------------------------------------------------------------------------- * Function: H5LTfind_dataset * * Purpose: Inquires if a dataset named dset_name exists attached * to the object loc_id. * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: July 15, 2001 * * Return: * Success: The return value of the first operator that * returns non-zero, or zero if all members were * processed with no operator returning non-zero. * * Failure: Negative if something goes wrong within the * library, or the negative value returned by one * of the operators. * *------------------------------------------------------------------------- */ herr_t H5LTfind_dataset( hid_t loc_id, const char *dset_name ) { herr_t ret; ret = H5Giterate( loc_id, ".", 0, find_dataset, (void *)dset_name ); return ret; } /*------------------------------------------------------------------------- * * Set attribute functions * *------------------------------------------------------------------------- */ /*------------------------------------------------------------------------- * Function: H5LTset_attribute_string * * Purpose: Creates and writes a string attribute named attr_name and attaches * it to the object specified by the name obj_name. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: July 23, 2001 * * Comments: If the attribute already exists, it is overwritten * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_string( hid_t loc_id, const char *obj_name, const char *attr_name, const char *attr_data ) { hid_t attr_type; hid_t attr_space_id; hid_t attr_id; hid_t obj_id; int has_attr; H5G_stat_t statbuf; size_t attr_size; /* Get the type of object */ if (H5Gget_objinfo( loc_id, obj_name, 1, &statbuf )<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Create the attribute */ if ( (attr_type = H5Tcopy( H5T_C_S1 )) < 0 ) goto out; attr_size = strlen( attr_data ) + 1; /* extra null term */ if ( H5Tset_size( attr_type, (size_t)attr_size) < 0 ) goto out; if ( H5Tset_strpad( attr_type, H5T_STR_NULLTERM ) < 0 ) goto out; if ( (attr_space_id = H5Screate( H5S_SCALAR )) < 0 ) goto out; /* Verify if the attribute already exists */ has_attr = H5LT_find_attribute( obj_id, attr_name ); /* The attribute already exists, delete it */ if ( has_attr == 1 ) { if ( H5Adelete( obj_id, attr_name ) < 0 ) goto out; } /* Create and write the attribute */ if ( (attr_id = H5Acreate( obj_id, attr_name, attr_type, attr_space_id, H5P_DEFAULT )) < 0 ) goto out; if ( H5Awrite( attr_id, attr_type, attr_data ) < 0 ) goto out; if ( H5Aclose( attr_id ) < 0 ) goto out; if ( H5Sclose( attr_space_id ) < 0 ) goto out; if ( H5Tclose(attr_type) < 0 ) goto out; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; out: H5LT_close_id( obj_id, statbuf.type ); return -1; } /*------------------------------------------------------------------------- * Function: H5LT_set_attribute_numerical * * Purpose: Private function used by H5LTset_attribute_int and H5LTset_attribute_float * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: July 25, 2001 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LT_set_attribute_numerical( hid_t loc_id, const char *obj_name, const char *attr_name, size_t size, hid_t tid, const void *data ) { hid_t obj_id, sid, attr_id; hsize_t dim_size=size; int has_attr; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Create the data space for the attribute. */ if ( (sid = H5Screate_simple( 1, &dim_size, NULL )) < 0 ) goto out; /* Verify if the attribute already exists */ has_attr = H5LT_find_attribute( obj_id, attr_name ); /* The attribute already exists, delete it */ if ( has_attr == 1 ) { if ( H5Adelete( obj_id, attr_name ) < 0 ) goto out; } /* Create the attribute. */ if ( (attr_id = H5Acreate( obj_id, attr_name, tid, sid, H5P_DEFAULT )) < 0 ) goto out; /* Write the attribute data. */ if ( H5Awrite( attr_id, tid, data ) < 0 ) goto out; /* Close the attribute. */ if ( H5Aclose( attr_id ) < 0 ) goto out; /* Close the dataspace. */ if ( H5Sclose( sid ) < 0 ) goto out; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; out: H5LT_close_id( obj_id, statbuf.type ); return -1; } /*------------------------------------------------------------------------- * Function: H5LT_open_id * * Purpose: Private function used by H5LT_set_attribute_* * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LT_open_id( hid_t loc_id, const char *obj_name, int obj_type /*basic object type*/ ) { hid_t obj_id = -1; switch ( obj_type ) { case H5G_DATASET: /* Open the dataset. */ if ( (obj_id = H5Dopen( loc_id, obj_name )) < 0 ) return -1; break; case H5G_GROUP: /* Open the group. */ if ( (obj_id = H5Gopen( loc_id, obj_name )) < 0 ) return -1; break; default: return -1; } return obj_id; } /*------------------------------------------------------------------------- * Function: H5LT_close_id * * Purpose: Private function used by H5LT_set_attribute_* * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LT_close_id( hid_t obj_id, int obj_type /*basic object type*/ ) { switch ( obj_type ) { case H5G_DATASET: /* Close the dataset. */ if ( H5Dclose( obj_id ) < 0 ) return -1; break; case H5G_GROUP: /* Close the group. */ if ( H5Gclose( obj_id ) < 0 ) return -1; break; default: return -1; } return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_char * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 7, 2001 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_char( hid_t loc_id, const char *obj_name, const char *attr_name, const char *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_CHAR, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_uchar * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: March 8, 2004 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_uchar( hid_t loc_id, const char *obj_name, const char *attr_name, const unsigned char *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_UCHAR, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_short * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 7, 2001 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_short( hid_t loc_id, const char *obj_name, const char *attr_name, const short *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_SHORT, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_ushort * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: March 8, 2004 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_ushort( hid_t loc_id, const char *obj_name, const char *attr_name, const unsigned short *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_USHORT, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_int * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 7, 2001 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_int( hid_t loc_id, const char *obj_name, const char *attr_name, const int *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_INT, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_uint * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: March 8, 2004 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_uint( hid_t loc_id, const char *obj_name, const char *attr_name, const unsigned int *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_UINT, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_long * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 7, 2001 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_long( hid_t loc_id, const char *obj_name, const char *attr_name, const long *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_LONG, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_ulong * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: March 8, 2004 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_ulong( hid_t loc_id, const char *obj_name, const char *attr_name, const unsigned long *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_ULONG, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_float * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: July 25, 2001 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_float( hid_t loc_id, const char *obj_name, const char *attr_name, const float *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_FLOAT, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTset_attribute_double * * Purpose: Create and write an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: November 7, 2001 * * Comments: * *------------------------------------------------------------------------- */ herr_t H5LTset_attribute_double( hid_t loc_id, const char *obj_name, const char *attr_name, const double *data, size_t size ) { if ( H5LT_set_attribute_numerical( loc_id, obj_name, attr_name, size, H5T_NATIVE_DOUBLE, data ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: find_attr * * Purpose: operator function used by H5LT_find_attribute * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: June 21, 2001 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ static herr_t find_attr( hid_t loc_id, const char *name, void *op_data) { /* Define a default zero value for return. This will cause the iterator to continue if * the palette attribute is not found yet. */ int ret = 0; char *attr_name = (char*)op_data; /* Shut the compiler up */ loc_id=loc_id; /* Define a positive value for return value if the attribute was found. This will * cause the iterator to immediately return that positive value, * indicating short-circuit success */ if( strcmp( name, attr_name ) == 0 ) ret = 1; return ret; } /*------------------------------------------------------------------------- * Function: H5LT_find_attribute * * Purpose: Inquires if an attribute named attr_name exists attached to the object loc_id. * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: June 21, 2001 * * Comments: * The function uses H5Aiterate with the operator function find_attr * * Return: * Success: The return value of the first operator that * returns non-zero, or zero if all members were * processed with no operator returning non-zero. * * Failure: Negative if something goes wrong within the * library, or the negative value returned by one * of the operators. * *------------------------------------------------------------------------- */ herr_t H5LT_find_attribute( hid_t loc_id, const char* attr_name ) { unsigned int attr_num; herr_t ret; attr_num = 0; ret = H5Aiterate( loc_id, &attr_num, find_attr, (void *)attr_name ); return ret; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_ndims * * Purpose: Gets the dimensionality of an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 4, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_ndims( hid_t loc_id, const char *obj_name, const char *attr_name, int *rank ) { hid_t attr_id; hid_t sid; H5G_stat_t statbuf; hid_t obj_id; /* Get the type of object */ if (H5Gget_objinfo( loc_id, obj_name, 1, &statbuf )<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Open the attribute. */ if ( ( attr_id = H5Aopen_name( obj_id, attr_name ) ) < 0 ) { H5LT_close_id( obj_id, statbuf.type ); return -1; } /* Get the dataspace handle */ if ( (sid = H5Aget_space( attr_id )) < 0 ) goto out; /* Get rank */ if ( (*rank = H5Sget_simple_extent_ndims( sid )) < 0 ) goto out; /* Terminate access to the attribute */ if ( H5Sclose( sid ) < 0 ) goto out; /* End access to the attribute */ if ( H5Aclose( attr_id ) ) goto out;; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; out: H5Aclose( attr_id ); H5LT_close_id( obj_id, statbuf.type ); return -1; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_info * * Purpose: Gets information about an attribute. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 4, 2001 * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_info( hid_t loc_id, const char *obj_name, const char *attr_name, hsize_t *dims, H5T_class_t *type_class, size_t *type_size ) { hid_t attr_id; hid_t tid; hid_t sid; H5G_stat_t statbuf; hid_t obj_id; /* Get the type of object */ if (H5Gget_objinfo( loc_id, obj_name, 1, &statbuf )<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Open the attribute. */ if ( ( attr_id = H5Aopen_name( obj_id, attr_name ) ) < 0 ) { H5LT_close_id( obj_id, statbuf.type ); return -1; } /* Get an identifier for the datatype. */ tid = H5Aget_type( attr_id ); /* Get the class. */ *type_class = H5Tget_class( tid ); /* Get the size. */ *type_size = H5Tget_size( tid ); /* Get the dataspace handle */ if ( (sid = H5Aget_space( attr_id )) < 0 ) goto out; /* Get dimensions */ if ( H5Sget_simple_extent_dims( sid, dims, NULL) < 0 ) goto out; /* Terminate access to the dataspace */ if ( H5Sclose( sid ) < 0 ) goto out; /* Release the datatype. */ if ( H5Tclose( tid ) ) goto out; /* End access to the attribute */ if ( H5Aclose( attr_id ) ) goto out; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; out: H5Tclose( tid ); H5Aclose( attr_id ); H5LT_close_id( obj_id, statbuf.type ); return -1; } /*------------------------------------------------------------------------- * * General functions * *------------------------------------------------------------------------- */ /*------------------------------------------------------------------------- * Function: H5LTcreate_compound_type * * Purpose: * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 18, 2001 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ hid_t H5LTcreate_compound_type( hsize_t nfields, size_t size, const char *field_names[], const size_t *field_offset, const hid_t *field_types ) { hid_t tid; hsize_t i; /* Create the memory data type. */ if ((tid = H5Tcreate (H5T_COMPOUND, size )) < 0 ) goto out; /* Insert fields. */ for ( i = 0; i < nfields; i++) { if ( H5Tinsert(tid, field_names[i], field_offset[i], field_types[i] ) < 0 ) goto out; } return tid; out: return -1; } /*------------------------------------------------------------------------- * Function: H5LTrepack * * Purpose: Packs/Unpacks data from buffers. This function transfers data from a packed * data, src_buf, to a "natural byte aligned" (an n-byte item at an n-byte boundary) * data, dst_buf, and vice-versa. * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: January 17, 2002 * * Comments: * * Modifications: * * *------------------------------------------------------------------------- */ herr_t H5LTrepack( hsize_t nfields, hsize_t nrecords, size_t src_size, const size_t *src_offset, const size_t *src_sizes, size_t dst_size, const size_t *dst_offset, const size_t *dst_sizes, unsigned char *src_buf, unsigned char *dst_buf ) { hsize_t i, j; /* size of each field of destination data counting with padding */ size_t *size_pad = (size_t *)malloc((size_t)nfields * sizeof(size_t)); /* Shut compiler */ src_size=src_size; src_offset=src_offset; if ( size_pad == NULL ) goto out; for ( i= 0; i < nfields; i++) { size_pad[i] = ( i == nfields-1 ? dst_size-dst_offset[i] : dst_offset[i+1]-dst_offset[i] ); } /* Iterate tru the records */ for ( i = 0; i < nrecords; i++) { /* Iterate tru the members */ for ( j = 0; j < nfields; j++) { memcpy( dst_buf, src_buf, dst_sizes[j] ); dst_buf += size_pad[j]; src_buf += src_sizes[j]; } } if ( size_pad != NULL ) free( size_pad ); return 0; out: return -1; } /*------------------------------------------------------------------------- * * Get attribute functions * *------------------------------------------------------------------------- */ /*------------------------------------------------------------------------- * Function: H5LTget_attribute_string * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_string( hid_t loc_id, const char *obj_name, const char *attr_name, char *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_disk( obj_id, attr_name, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_char * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_char( hid_t loc_id, const char *obj_name, const char *attr_name, char *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_CHAR, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_uchar * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: March 8, 2004 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_uchar( hid_t loc_id, const char *obj_name, const char *attr_name, unsigned char *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_UCHAR, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_short * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_short( hid_t loc_id, const char *obj_name, const char *attr_name, short *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_SHORT, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_ushort * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: March 8, 2004 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_ushort( hid_t loc_id, const char *obj_name, const char *attr_name, unsigned short *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_USHORT, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_int * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_int( hid_t loc_id, const char *obj_name, const char *attr_name, int *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_INT, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_uint * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: March 8, 2004 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_uint( hid_t loc_id, const char *obj_name, const char *attr_name, unsigned int *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_UINT, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_long * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_long( hid_t loc_id, const char *obj_name, const char *attr_name, long *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_LONG, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_ulong * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: March 8, 2004 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_ulong( hid_t loc_id, const char *obj_name, const char *attr_name, unsigned long *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_ULONG, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_float * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_float( hid_t loc_id, const char *obj_name, const char *attr_name, float *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_FLOAT, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute_double * * Purpose: Reads an attribute named attr_name * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute_double( hid_t loc_id, const char *obj_name, const char *attr_name, double *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, H5T_NATIVE_DOUBLE, data ) < 0 ) return -1; /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LTget_attribute * * Purpose: Reads an attribute named attr_name with the memory type mem_type_id * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: Private function * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LTget_attribute( hid_t loc_id, const char *obj_name, const char *attr_name, hid_t mem_type_id, void *data ) { /* identifiers */ hid_t obj_id; H5G_stat_t statbuf; /* Get the type of object */ if (H5Gget_objinfo(loc_id, obj_name, 1, &statbuf)<0) return -1; /* Open the object */ if ((obj_id = H5LT_open_id( loc_id, obj_name, statbuf.type )) < 0) return -1; /* Get the attribute */ if ( H5LT_get_attribute_mem( obj_id, attr_name, mem_type_id, data ) < 0 ) { H5LT_close_id( obj_id, statbuf.type ); return -1; } /* Close the object */ if ( H5LT_close_id( obj_id, statbuf.type ) < 0 ) return -1; return 0; } /*------------------------------------------------------------------------- * Function: H5LT_get_attribute_mem * * Purpose: Reads an attribute named attr_name with the memory type mem_type_id * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: Private function * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LT_get_attribute_mem( hid_t obj_id, const char *attr_name, hid_t mem_type_id, void *data ) { /* identifiers */ hid_t attr_id; if ( ( attr_id = H5Aopen_name( obj_id, attr_name ) ) < 0 ) return -1; if ( H5Aread( attr_id, mem_type_id, data ) < 0 ) goto out; if ( H5Aclose( attr_id ) < 0 ) return -1; return 0; out: H5Aclose( attr_id ); return -1; } /*------------------------------------------------------------------------- * Function: H5LT_get_attribute_disk * * Purpose: Reads an attribute named attr_name with the datatype stored on disk * * Return: Success: 0, Failure: -1 * * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu * * Date: September 19, 2002 * * Comments: * * Modifications: * *------------------------------------------------------------------------- */ herr_t H5LT_get_attribute_disk( hid_t loc_id, const char *attr_name, void *attr_out ) { /* identifiers */ hid_t attr_id; hid_t attr_type; if ( ( attr_id = H5Aopen_name( loc_id, attr_name ) ) < 0 ) return -1; if ( (attr_type = H5Aget_type( attr_id )) < 0 ) goto out; if ( H5Aread( attr_id, attr_type, attr_out ) < 0 ) goto out; if ( H5Tclose( attr_type ) < 0 ) goto out; if ( H5Aclose( attr_id ) < 0 ) return -1;; return 0; out: H5Tclose( attr_type ); H5Aclose( attr_id ); return -1; }