DLL 调用错误 -The value of ESP

DLL 调用错误 -The value of ESP

DLL 调用错误 -The value of ESP was not properly saved across a function call

(2011-05-08 00:53:11)

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分类： IT技术.语言s

Jeffrey Magder | reply 2003-07-08 21:53
I was having the same problem, but I just FIXED it. I was getting the same error from the following code:

HMODULE hPowerFunctions = LoadLibrary("Powrprof.dll");
typedef bool (*tSetSuspendStateSig)(BOOL, BOOL, BOOL);

tSetSuspendState SetSuspendState = (tSuspendStateSig)GetProcAddress(hPowerfunctions, "SetSuspendState");

result = SetSuspendState(false, false, false); <---- This line was where the error popped up.

After some investigation, I changed one of the lines to:

typedef bool (WINAPI*tSetSuspendStateSig)(BOOL, BOOL, BOOL);

which solved the problem. If you take a look in the header file where SetSuspendState is found (powrprof.h, part of the SDK), you will see the function prototype is defined as:

BOOLEAN WINAPI SetSuspendState(BOOLEAN, BOOLEAN, BOOLEAN);

So you guys are having a similar problem. When you are calling a given function from a .dll, its signature is probably off. (In my case it was the missing WINAPI keyword).

Hope that helps any future people! :-)

Cheers. 
 
 Dheeraj | reply 2003-08-21 23:25  

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