1 | /* FILENAME: init_dec_struct.c |
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2 | DATE: 05 FEB 1996 |
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3 | PROGRAMMER: STEVE LOWE, SAIC |
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4 | Revisions: |
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5 | 17apr96 Alice Nakajima, SAIC: added BMS initialization |
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6 | 11jun96 Nakajima: replaced with Memset |
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7 | 10oct96 Nakajima: renamed from init_struct() to init_dec_struct() |
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8 | */ |
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9 | #include <stdio.h> |
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10 | #include <stdlib.h> |
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11 | #include <string.h> |
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12 | #include "dprints.h" /* for dprints */ |
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13 | #include "gribfuncs.h" /* prototypes */ |
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14 | |
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15 | /* |
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16 | * |
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17 | * |
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18 | ************************************************************************* |
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19 | * A. FUNCTION: init_dec_struct |
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20 | * initializes the four internal Decoder structures |
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21 | * |
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22 | * INTERFACE: |
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23 | * void init_dec_struct ( pds, gds, bms, bds_head) |
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24 | * |
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25 | * ARGUMENTS (I=input, O=output, I&O=input and output): |
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26 | * (O) PDS_INPUT *pds; internal PDS struct to be initialized |
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27 | * (O) grid_desc_sec *gds; internal GDS struct to be initialized |
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28 | * (O) BMS_INPUT *bms; internal BMS struct to be initialized |
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29 | * (O) BDS_HEAD_INPUT *bds_head; internal BDS struct to be initialized |
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30 | * |
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31 | * RETURN CODE: none |
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32 | ************************************************************************* |
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33 | */ |
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34 | #if PROTOTYPE_NEEDED |
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35 | void init_dec_struct ( PDS_INPUT *pds, grid_desc_sec *gds, |
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36 | BMS_INPUT *bms, BDS_HEAD_INPUT *bds_head) |
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37 | #else |
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38 | void init_dec_struct (pds,gds,bms,bds_head) |
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39 | PDS_INPUT *pds; |
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40 | grid_desc_sec *gds; |
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41 | BMS_INPUT *bms; |
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42 | BDS_HEAD_INPUT *bds_head; |
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43 | #endif |
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44 | { |
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45 | /* |
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46 | * |
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47 | * A.0 DEBUG printing |
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48 | */ |
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49 | DPRINT0 ("Inside init_dec_struct()\n"); |
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50 | |
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51 | /* |
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52 | * |
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53 | * A.1 INITIALIZE Product Description Section struct elements |
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54 | */ |
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55 | memset ((void *)pds, '\0', sizeof(PDS_INPUT)); |
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56 | |
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57 | /* |
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58 | * |
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59 | * A.2 INITIALIZE Grid Description Section struct elements |
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60 | * |
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61 | * A.3 INITIALIZE Bitmap Map Section header struct elements to zero |
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62 | * |
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63 | * A.4 INITIALIZE Binary Data Section Header Struct elements to zero |
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64 | */ |
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65 | memset ((void *)gds, '\0', sizeof(grid_desc_sec)); |
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66 | gds->head.usData_type = 255; |
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67 | memset ((void *)bms, '\0', sizeof(BMS_INPUT)); |
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68 | memset ((void *)bds_head, '\0', sizeof(BDS_HEAD_INPUT)); |
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69 | |
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70 | /* |
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71 | * |
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72 | * A.5 DEBUG printing |
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73 | */ |
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74 | DPRINT0("Leaving init_dec_struct(), no return code\n"); |
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75 | /* |
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76 | * END OF FUNCTION |
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77 | */ |
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78 | } |
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