projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 1a6944fd RR |
1 | /** Load driver and resolve driver's function entry point |
| 2 | ||
| 3 | Copyright (C) 1995 by Ke Jin <kejin@empress.com> | |
| 4 | ||
| 5 | This program is free software; you can redistribute it and/or modify | |
| 6 | it under the terms of the GNU General Public License as published by | |
| 7 | the Free Software Foundation; either version 2 of the License, or | |
| 8 | (at your option) any later version. | |
| 9 | ||
| 10 | This program is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | GNU General Public License for more details. | |
| 14 | **/ | |
| 15 | ||
| 16 | #include <../iodbc/iodbc.h> | |
| 17 | ||
| 18 | #include <../iodbc/isql.h> | |
| 19 | #include <../iodbc/isqlext.h> | |
| 20 | ||
| 21 | #include <../iodbc/dlproc.h> | |
| 22 | ||
| 23 | #include <../iodbc/herr.h> | |
| 24 | #include <../iodbc/henv.h> | |
| 25 | #include <../iodbc/hdbc.h> | |
| 26 | ||
| 27 | #include <../iodbc/itrace.h> | |
| 28 | ||
| 29 | #include "../iodbc/henv.ci" | |
| 30 | ||
| 31 | HPROC _iodbcdm_getproc( HDBC hdbc, int idx ) | |
| 32 | { | |
| 33 | DBC_t FAR* pdbc = (DBC_t FAR*)hdbc; | |
| 34 | ENV_t FAR* penv; | |
| 35 | HDLL hdll; | |
| 36 | HPROC FAR* phproc; | |
| 37 | ||
| 38 | if( idx <= 0 || idx > SQL_EXT_API_LAST ) | |
| 39 | /* first entry naver used */ | |
| 40 | { | |
| 41 | return SQL_NULL_HPROC; | |
| 42 | } | |
| 43 | ||
| 44 | penv = (ENV_t FAR*)(pdbc->henv); | |
| 45 | ||
| 46 | if( penv == NULL ) | |
| 47 | { | |
| 48 | return SQL_NULL_HPROC; | |
| 49 | } | |
| 50 | ||
| 51 | phproc = penv->dllproc_tab + idx; | |
| 52 | ||
| 53 | if( *phproc == SQL_NULL_HPROC ) | |
| 54 | { | |
| 55 | int i, en_idx; | |
| 56 | ||
| 57 | for( i=0 ; ; i++ ) | |
| 58 | { | |
| 59 | en_idx = odbcapi_symtab[i].en_idx; | |
| 60 | ||
| 61 | if( en_idx == en_NullProc ) | |
| 62 | { | |
| 63 | break; | |
| 64 | } | |
| 65 | ||
| 66 | if( en_idx == idx ) | |
| 67 | { | |
| 68 | *phproc = _iodbcdm_dllproc( penv->hdll, | |
| 69 | odbcapi_symtab[i].symbol ); | |
| 70 | ||
| 71 | break; | |
| 72 | } | |
| 73 | } | |
| 74 | } | |
| 75 | ||
| 76 | return *phproc; | |
| 77 | } | |
| 78 | ||
| 79 | HDLL _iodbcdm_dllopen( char FAR* path ) | |
| 80 | { | |
| 81 | return (HDLL)DLL_OPEN( path ); | |
| 82 | } | |
| 83 | ||
| 84 | HPROC _iodbcdm_dllproc( HDLL hdll, char FAR* sym ) | |
| 85 | { | |
| 86 | return (HPROC)DLL_PROC( hdll, sym ); | |
| 87 | } | |
| 88 | ||
| 89 | int _iodbcdm_dllclose( HDLL hdll ) | |
| 90 | { | |
| 91 | DLL_CLOSE( hdll ); | |
| 92 | ||
| 93 | return 0; | |
| 94 | } | |
| 95 | ||
| 96 | char* _iodbcdm_dllerror( ) | |
| 97 | { | |
| 98 | return DLL_ERROR(); | |
| 99 | } |