1 | /**************************************** |
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2 | * Computer Algebra System SINGULAR * |
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3 | ****************************************/ |
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4 | /*************************************************************** |
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5 | * File: slInit_Dynamic.cc |
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6 | * Purpose: link initialization for dynamic linking |
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7 | * Author: obachman (Olaf Bachmann) |
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8 | * Created: 12/00 |
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9 | *******************************************************************/ |
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10 | |
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11 | |
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12 | |
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13 | |
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14 | #include "kernel/mod2.h" |
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15 | #include "Singular/links/silink.h" |
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16 | #include "Singular/links/slInit.h" |
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17 | #include "Singular/mod_lib.h" |
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18 | |
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19 | #ifdef HAVE_DL |
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20 | |
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21 | #ifdef HAVE_DBM |
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22 | #include "dbm_sl.h" |
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23 | |
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24 | STATIC_VAR void* dbm_so_handle = NULL; |
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25 | static void* slInitDBMHandle() |
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26 | { |
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27 | if (dbm_so_handle == NULL) |
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28 | dbm_so_handle = dynl_open_binary_warn("dbmsr"); |
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29 | |
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30 | return dbm_so_handle; |
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31 | } |
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32 | |
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33 | si_link_extension slInitDBMExtension(si_link_extension s) |
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34 | { |
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35 | void* handle = slInitDBMHandle(); |
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36 | |
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37 | if (handle == NULL) return NULL; |
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38 | |
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39 | s->Open=(slOpenProc)dynl_sym_warn(handle, "dbOpen"); |
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40 | s->Close=(slCloseProc)dynl_sym_warn(handle, "dbClose"); |
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41 | s->Kill=NULL; |
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42 | s->Read=(slReadProc)dynl_sym_warn(handle, "dbRead1"); |
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43 | s->Read2=(slRead2Proc)dynl_sym_warn(handle, "dbRead2"); |
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44 | s->Write=(slWriteProc)dynl_sym_warn(handle, "dbWrite"); |
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45 | |
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46 | if (s->Open == NULL || s->Close == NULL || |
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47 | s->Read == NULL || s->Read2 == NULL) |
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48 | return NULL; |
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49 | |
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50 | s->Status=slStatusAscii; |
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51 | s->type="DBM"; |
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52 | return s; |
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53 | } |
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54 | |
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55 | #endif |
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56 | #endif |
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57 | |
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