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130 lines
4 KiB
C
130 lines
4 KiB
C
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#ifndef MYSQLDLL_H
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#define MYSQLDLL_H
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#include <mysql.h>
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HINSTANCE mysqldll;
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int mysqldllerror;
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#define MYSQLDLL_NOCONV
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#define MYSQLDLL_LOADFUNC(funcname) \
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int loaded_##funcname = 0; \
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int funcload_##funcname() \
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{ \
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if (mysqldll) \
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{ \
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if (!loaded_##funcname) \
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{ \
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cb_##funcname = (DLLFUNC_##funcname)GetProcAddress(mysqldll, #funcname); \
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loaded_##funcname = 1; \
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mysqldllerror = GetLastError(); \
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\
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} \
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return (cb_##funcname != NULL); \
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} \
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return 0; \
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}
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#define MYSQLDLL_FUNC0(returntype, funcname) \
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typedef returntype (CALLBACK *DLLFUNC_##funcname)(); \
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DLLFUNC_##funcname cb_##funcname; \
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MYSQLDLL_LOADFUNC(funcname) \
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returntype STDCALL funcname() \
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{ \
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if (funcload_##funcname()) \
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return cb_##funcname(); \
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return (returntype)0; \
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}
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#define MYSQLDLL_FUNC1(returntype, funcname, paramtype1) \
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typedef returntype (CALLBACK *DLLFUNC_##funcname)(paramtype1); \
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DLLFUNC_##funcname cb_##funcname; \
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MYSQLDLL_LOADFUNC(funcname) \
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returntype STDCALL funcname(paramtype1 p1) \
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{ \
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if (funcload_##funcname()) \
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return cb_##funcname(p1); \
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return (returntype)0; \
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}
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#define MYSQLDLL_FUNC2(returntype, funcname, paramtype1, paramtype2) \
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typedef returntype (CALLBACK *DLLFUNC_##funcname)(paramtype1, paramtype2); \
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DLLFUNC_##funcname cb_##funcname; \
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MYSQLDLL_LOADFUNC(funcname) \
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returntype STDCALL funcname(paramtype1 p1, paramtype2 p2) \
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{ \
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if (funcload_##funcname()) \
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return cb_##funcname(p1, p2); \
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return (returntype)0; \
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}
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#define MYSQLDLL_FUNC3(returntype, funcname, paramtype1, paramtype2, paramtype3) \
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typedef returntype (CALLBACK *DLLFUNC_##funcname)(paramtype1, paramtype2, paramtype3); \
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DLLFUNC_##funcname cb_##funcname; \
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MYSQLDLL_LOADFUNC(funcname) \
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returntype STDCALL funcname(paramtype1 p1, paramtype2 p2, paramtype3 p3) \
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{ \
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if (funcload_##funcname()) \
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return cb_##funcname(p1, p2, p3); \
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return (returntype)0; \
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}
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#define MYSQLDLL_FUNC4(returntype, funcname, paramtype1, paramtype2, paramtype3, paramtype4) \
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typedef returntype (CALLBACK *DLLFUNC_##funcname)(paramtype1, paramtype2, paramtype3, paramtype4); \
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DLLFUNC_##funcname cb_##funcname; \
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MYSQLDLL_LOADFUNC(funcname) \
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returntype STDCALL funcname(paramtype1 p1, paramtype2 p2, paramtype3 p3, paramtype4 p4) \
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{ \
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if (funcload_##funcname()) \
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return cb_##funcname(p1, p2, p3, p4); \
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return (returntype)0; \
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}
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#define MYSQLDLL_FUNC8(returntype, funcname, paramtype1, paramtype2, paramtype3, paramtype4, paramtype5, paramtype6, paramtype7, paramtype8) \
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typedef returntype (CALLBACK *DLLFUNC_##funcname)(paramtype1, paramtype2, paramtype3, paramtype4, paramtype5, paramtype6, paramtype7, paramtype8); \
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DLLFUNC_##funcname cb_##funcname; \
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MYSQLDLL_LOADFUNC(funcname) \
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returntype STDCALL funcname(paramtype1 p1, paramtype2 p2, paramtype3 p3, paramtype4 p4, paramtype5 p5, paramtype6 p6, paramtype7 p7, paramtype8 p8) \
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{ \
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if (funcload_##funcname()) \
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return cb_##funcname(p1, p2, p3, p4, p5, p6, p7, p8); \
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return (returntype)0; \
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}
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#define MYSQLDLL_NORETFUNC0(funcname) \
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typedef void (CALLBACK *DLLFUNC_##funcname)(); \
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DLLFUNC_##funcname cb_##funcname; \
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MYSQLDLL_LOADFUNC(funcname) \
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void STDCALL funcname() \
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{ \
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if (funcload_##funcname()) \
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cb_##funcname(); \
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}
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#define MYSQLDLL_NORETFUNC1(funcname, paramtype1) \
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typedef void (CALLBACK *DLLFUNC_##funcname)(paramtype1); \
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DLLFUNC_##funcname cb_##funcname; \
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MYSQLDLL_LOADFUNC(funcname) \
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void STDCALL funcname(paramtype1 p1) \
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{ \
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if (funcload_##funcname()) \
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cb_##funcname(p1); \
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}
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#define MYSQLDLL_NORETFUNC2(funcname, paramtype1, paramtype2) \
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typedef void (CALLBACK *DLLFUNC_##funcname)(paramtype1, paramtype2); \
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DLLFUNC_##funcname cb_##funcname; \
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MYSQLDLL_LOADFUNC(funcname) \
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void STDCALL funcname(paramtype1 p1, paramtype2 p2) \
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{ \
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if (funcload_##funcname()) \
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cb_##funcname(p1, p2); \
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}
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// prototypes
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int mysql_dll_init();
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int mysql_dll_close();
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#endif
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