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SwRI can revise these Terms at any time * without notice by updating this posting. * * Trademarks * * The SwRI logo is a trademark of SwRI in the United States and other countries. * */ #ident "@(#) create_tdata.c 1.1 05/08/19 SwRI" #include #include "gen_defs.h" #include "ret_codes.h" #include "libbase_idfs.h" #include "vidf_tensor_defs.h" /******************************************************************************* * * * CREATE_TENSOR_DATA_STRUCTURE SUBROUTINE * * * * DESCRIPTION * * This routine is called to create or allocate a data structure that holds * * the tensor data once it is read from the files. The address of the newly * * allocated data structure is passed back to the calling module. An array * * of pointers is maintained so that when FREE_EXPERIMENT_INFO is called, the * * memory for all allocated data structures can be freed. There is no need * * to pass in the data key of interest; all items that depend upon sizes from * * the data set will be allocated/reallocated when new header records are * * read; thus the items end up being maxed out by the virtual instrument with * * the largest size for the item in question if the data structure is used by * * more than one data set. * * * * INPUT VARIABLES * * void **tensor_data_ptr ptr to the memory location that holds the * * address of the structure that holds returned* * tensor data values * * * * USAGE * * x = create_tensor_data_structure (&tensor_data_ptr) * * * * NECESSARY SUBPROGRAMS * * sizeof () the size of the specified object in bytes * * malloc() allocates memory * * realloc() reallocates previously allocated memory * * * * EXTERNAL VARIABLES * * struct general_info ginfo structure that holds information concerning * * the experiment that is being processed * * * * INTERNAL VARIABLES * * struct tensor_data *TENSOR_DATA structure that holds all of the * * currently returned tensor data values to be * * processed * * register SDDAS_SHORT i looping variable * * SDDAS_LONG index index into the array of pointers * * size_t bytes the number of bytes to allocate * * void *tmp_ptr pointer which holds address passed back by * * the call to the MALLOC routine * * * * SUBSYSTEM * * Display Level * * * ******************************************************************************/ SDDAS_SHORT create_tensor_data_structure (void **tensor_data_ptr) { extern struct general_info ginfo; struct tensor_data *TENSOR_DATA; register SDDAS_SHORT i; SDDAS_LONG index; size_t bytes; void *tmp_ptr; /**************************************************************************/ /* Allocate space to hold the addresses of all allocated data structures.*/ /* Start out with space for 5 structures. */ /**************************************************************************/ if (ginfo.tensor_data_ptr == NO_MEMORY) { bytes = 5 * sizeof (void *); if ((tmp_ptr = malloc (bytes)) == NO_MEMORY) return (CREATE_TENSOR_DATA_ALL_MALLOC); ginfo.tensor_data_ptr = (void **) tmp_ptr; } /**************************************************************************/ /* Reallocate space to hold the addresses of all allocated data */ /* structures. Keep adding 5 structures. */ /**************************************************************************/ else if ((ginfo.num_tensor_data_ptr % 5) == 0) { bytes = (ginfo.num_tensor_data_ptr + 5) * sizeof (void *); if ((tmp_ptr = realloc (ginfo.tensor_data_ptr, bytes)) == NO_MEMORY) return (CREATE_TENSOR_DATA_ALL_REALLOC); ginfo.tensor_data_ptr = (void **) tmp_ptr; } /*************************************************************************/ /* Allocate the data structure. */ /*************************************************************************/ bytes = sizeof (struct tensor_data); index = ginfo.num_tensor_data_ptr; if ((*(ginfo.tensor_data_ptr + index) = malloc (bytes)) == NO_MEMORY) return (CREATE_TENSOR_DATA_MALLOC); *tensor_data_ptr = *(ginfo.tensor_data_ptr + index); ++ginfo.num_tensor_data_ptr; /************************************************************************/ /* Initialize the data structure that is passed back to the user for */ /* usage with the generic read utility program. */ /************************************************************************/ TENSOR_DATA = (struct tensor_data *) *(ginfo.tensor_data_ptr + index); TENSOR_DATA->data_key = 0; TENSOR_DATA->header_format = TENSOR_SINGLE_HEADER; TENSOR_DATA->sensor = 0; TENSOR_DATA->byear = 0; TENSOR_DATA->bday = 0; TENSOR_DATA->bmilli = 0; TENSOR_DATA->bnano = 0; TENSOR_DATA->bsec = 0; TENSOR_DATA->bnsec = 0; TENSOR_DATA->eyear = 0; TENSOR_DATA->eday = 0; TENSOR_DATA->emilli = 0; TENSOR_DATA->enano = 0; TENSOR_DATA->esec = 0; TENSOR_DATA->ensec = 0; TENSOR_DATA->mode_byear = 0; TENSOR_DATA->mode_bday = 0; TENSOR_DATA->mode_bmilli = 0; TENSOR_DATA->mode_bnano = 0; TENSOR_DATA->mode_eyear = 0; TENSOR_DATA->mode_eday = 0; TENSOR_DATA->mode_emilli = 0; TENSOR_DATA->mode_enano = 0; TENSOR_DATA->data_accum_ms = 0; TENSOR_DATA->data_accum_ns = 0; TENSOR_DATA->data_lat_ms = 0; TENSOR_DATA->data_lat_ns = 0; TENSOR_DATA->swp_reset_ms = 0; TENSOR_DATA->swp_reset_ns = 0; TENSOR_DATA->sen_reset_ms = 0; TENSOR_DATA->sen_reset_ns = 0; TENSOR_DATA->tensor_rank = -1; for (i = 0; i < IDFS_MAX_DIMEN; ++i) { TENSOR_DATA->tensor_sizes[i] = -1; TENSOR_DATA->tnext_dimen[i] = 0; } TENSOR_DATA->num_vals = 0; TENSOR_DATA->sun_sen = 0; TENSOR_DATA->spin_rate = 0; TENSOR_DATA->data_size = 0; TENSOR_DATA->tensor_bytes = 0; TENSOR_DATA->mode_size = 0; TENSOR_DATA->mode_len = 0; TENSOR_DATA->dqual_size = 0; TENSOR_DATA->num_dqual = 0; TENSOR_DATA->hdr_change = 0; TENSOR_DATA->filled_data = 0; TENSOR_DATA->version = 0; TENSOR_DATA->cal_len = 0; TENSOR_DATA->cal_size = 0; /************************************************************************/ /* These elements are dependent upon information in the actual header */ /* file and are allocated as the information becomes available. */ /************************************************************************/ TENSOR_DATA->cal_data = NO_MEMORY; TENSOR_DATA->base_cal = NO_MEMORY; TENSOR_DATA->tcaldata = NO_MEMORY; TENSOR_DATA->base_tcaldata = NO_MEMORY; /* CARRIE - Not sure if this is needed or not. Put in code just in case */ /* CARRIE - TENSOR_DATA->base_cset = NO_MEMORY; */ /* CARRIE - TENSOR_DATA->cset_num = NO_MEMORY; */ TENSOR_DATA->sen_data = NO_MEMORY; TENSOR_DATA->base_data = NO_MEMORY; TENSOR_DATA->tdata = NO_MEMORY; TENSOR_DATA->base_tdata = NO_MEMORY; TENSOR_DATA->base_mode = NO_MEMORY; TENSOR_DATA->mode = NO_MEMORY; TENSOR_DATA->base_dqual = NO_MEMORY; TENSOR_DATA->d_qual = NO_MEMORY; return (ALL_OKAY); }