????Linux???????????????????鼼??
???????????? ???????[ 2012/11/27 11:22:23 ] ????????
????2.2.3 sqlite_exec()???????????
???????sqlite_exec()??????????ж?????????errmsg?????????????sqlite_get_table()????????????????????table?????????????к???????????????????????????????????????????????????????????????磺
……
sprintf( sqlop?? "select meter_addr from IMPORTANT_METER;" );
rc = sqlite3_get_table( sqldb ?? sqlop?? &azResult ?? &nrow ?? &ncolumn ?? &zErrMsg );
if( rc != SQLITE_OK )
{
sqlite3_close( sqldb );
return false;
????====>>>>ruturn false???????sqlite3_free_table( azResult )???????table????????????й?;?????????????sqlite3_free( zErrMsg )?????zErrMsg????????????й?
????2.2.4 new????????????????delete ???
?????????new??????????????????????????????????delete?????棬???????????????????????????????е??????????????????????????ò?????????????У??????????к?????潫??????????????????????л????????????????磺
void PrOAFN04::get_fntable(unsigned int fn)
{
FnJZ_table* m_pList =new FnJZ_table[MAXTABLE];
memset(m_pList??0x00??MAXTABLE*sizeof(FnJZ_table));
int m_num = 0;
CArchive m_Archive( STATINI?? EXTREMUMID);
if(m_Archive.GetIdArch((unsigned char) fn?? m_pList?? m_num))
{
m_pFnJZ_table =m_pList;
}
????====>>>>????if?ж????ü???else?????GetIdArch?????????????????delete m_pList???????????????й?
????2.3 ??????????
???????????????????????????????????????????????????????????????п??????????????У?????????????????????????????????????з?????????????????????г????????????????????????????????????????????????????????????????????棺???????????????硢?????????????????硢??????????????????????й??????????????????硢?????д????????????????????????????????磺
bool CShmMemory::ShmGet( int CreatMode?? int AttchMod )
{
……
char *p = (char * )pshmaddr;
if( *p != 1 && (IPC_CREAT & CreatMode) )
{
memset( p + 1?? 0xFF?? m_shm_size);
????===>>>p????????????????????????????p+1?????????????д??m_shm_size??1???????????????????????????????????
????……
????2.4 ???淶??????
????????????????????????????????????淶??????????淶???г?????????????淶???????б?????????????淶???б?????????????????е?????????????????淶??????飬??????????????????????????????????????????????????????
??????
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