一个Dll调用和传输的问题，请高手求教

liufx 2005-03-12 03:39:32

CSearchFile.dll
#ifdef CSEARCHFILE_EXPORTS
#define CSEARCHFILE_API _declspec(dllexport)
#else
#define CSEARCHFILE_API _declspec(dllimport)
#endif
CFind_Sent_Word m_find_sent_word;
extern "C" bool CSEARCHFILE_API _stdcall set_ck_and_index(const char * ck_path , const char * index_path);
extern "C" char * CSEARCHFILE_API _stdcall get_all_word_shuxin_from_str(const char * m_sent_string);
BOOL APIENTRY DllMain( HANDLE hModule,
DWORD ul_reason_for_call,
LPVOID lpReserved
)
{
return TRUE;
}

extern "C" bool CSEARCHFILE_API _stdcall set_ck_and_index(const char * ck_path , const char * index_path)
{
m_find_sent_word.Set_ck_path(ck_path);
bool flag = m_find_sent_word.set_index_data(index_path);
return flag;
}

extern "C" char * CSEARCHFILE_API _stdcall get_all_word_shuxin_from_str(const char * m_sent_string)
{ // 在此处出错，
int num , i;
num = i = 0;
num = m_find_sent_word.set_sent_data(m_sent_string);
char *p , data[MaxFileWordLin * MaxSentBufNum];
p = NULL; strcpy(data, "");
while( i < num )
{
strcat(data, "<");
strcat(data, m_find_sent_word.Get_sent_data_from_nuber(i));
strcat(data, ">");
i++;
}
p = data;
return p;
}

CSearchExe
extern "C" char * _declspec(dllimport) _stdcall get_all_word_shuxin_from_str( const char * m_sent_string );

void CSearchDlg::Abc()
{
char data[80];
sprintf(data, "%s", get_all_word_shuxin_from_str(text)) // 调用dll出错
}
SearchFile.def文件
EXPORTS
set_ck_and_index @1 NONAME
get_all_word_shuxin_from_str @2 NONAME

请帮我看看为什么会出错呢？

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