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s********z
发帖数: 5411 | 1 我在把下面这段code改成qt，是不是需要删掉 “ifdef _MSC_VER”阿？
这里为什么要用”#ifdef _MSC_VER“ “#endif”阿？ 只有是visual studio
compiler情
况下，这个code才能用？
多谢
xx.h
#ifdef _MSC_VER
int ReadString(CString& strMsg, char chStop);
int ReadString(CString& strMsg);
int WriteString(CString strCmd);
#endif
xx.cpp
#ifdef _MSC_VER
int CCamlinkSerial::ReadString(CString& strMsg, char chStop)
{
if (!m_bOpened) { return 0; }
char chCur = chStop + 1; // ensures that ucCur and ucStop are
different to begin with
strMsg = "";
int t = 0;
while ((chCur != chStop) && (t < m_nTimeout)) {
if (ReadCommChar(chCur)) {
if (chCur != chStop) { strMsg += chCur; }
} else {
break;
}
}
if (chCur != chStop) { return -1; }
return 1;
}
int CCamlinkSerial::ReadString(CString& strMsg)
{
if (!m_bOpened) { return 0; }
char chCur = '\0';
bool bValidRead = true;
strMsg = "";
int lTotal = 0;
while (bValidRead) {
if (ReadCommChar(chCur)) {
strMsg += chCur;
lTotal += 1;
} else {
bValidRead = false;
}
}
if (!bValidRead) { return -1; } // timeout
return lTotal;
}
int CCamlinkSerial::WriteString(CString strCmd)
{
int nLen = strCmd.GetLength();
int nBytes = WriteData((char*)(strCmd.GetBuffer(nLen)), nLen);
strCmd.ReleaseBuffer();
return nBytes;
}
#endif | d****p
发帖数: 685 | 2 CString is ATL stuff so it is only for MSVC platform.
If you want cross-platform code, change it to std::string
【在 s********z 的大作中提到】
: 我在把下面这段code改成qt，是不是需要删掉 “ifdef _MSC_VER”阿？
: 这里为什么要用”#ifdef _MSC_VER“ “#endif”阿？ 只有是visual studio
: compiler情
: 况下，这个code才能用？
: 多谢
: xx.h
: #ifdef _MSC_VER
: int ReadString(CString& strMsg, char chStop);
: int ReadString(CString& strMsg);
: int WriteString(CString strCmd);
| s********z
发帖数: 5411 | 3 i c.
thanks.
I will just change it to qstring, since I am using qt. thnaks.
【在 d****p 的大作中提到】
: CString is ATL stuff so it is only for MSVC platform.
: If you want cross-platform code, change it to std::string
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