[英]Why doesn't Xcode recognize free() and malloc() in this .cpp file?
我的项目中有许多可以正常工作的.cpp文件。 但这会激怒Xcode或编译器。
它不能识别free()
和malloc()
但是它也是C。这可能是什么错误?
标头ssdpmessage.h看起来像这样:
#ifndef _SSDPMESSAGE_H
#define _SSDPMESSAGE_H
#include "ssdptools.h"
#include <vector>
#include <arpa/inet.h>
#include "ssdpdb.h"
class SSDPMessage{
public:
SSDPMessage();
virtual ~SSDPMessage();
//What type of message can we handle
virtual SSDP_TYPE GetType()=0;
//Get the message dignature implemented in this class
virtual std::vector<SSDP_HTTP_HEADER*> GetHeaderSignature();
//Can this class parse the message with this signature ?
virtual u8 CanProcess(std::vector<SSDP_HTTP_HEADER*> msgheaders);
//Process the message, return value:
//0 : processed
//1 : not for me, search for another to process
//<0 : message was for me but there is an error
virtual int Process(struct sockaddr* sender, std::vector<SSDP_HTTP_HEADER*> msgheaders)=0;
//ReInit all members
virtual void ReInit()=0;
virtual SSDPDB* GetDB();
virtual void SetDB(SSDPDB* db);
private:
std::vector<SSDP_HTTP_HEADER*> mHeaderSignature;
protected:
int AddSignatureHeader(char* fieldname, char* fieldvalue);
SSDPDB *mDB;
private:
SSDPMessage(const SSDPMessage &src);
SSDPMessage& operator= (const SSDPMessage &src);
};
#endif //_SSDPMESSAGE_H
ssdpmessage.cpp
的include和受影响的代码如下所示:
#include "ssdpmessage.h"
SSDPMessage::SSDPMessage():mDB(NULL){
}
SSDPMessage::~SSDPMessage(){
std::vector<SSDP_HTTP_HEADER*>::iterator it;
for(it=mHeaderSignature.begin(); it<mHeaderSignature.end(); it++){
free(*it);
}
mHeaderSignature.clear();
}
int SSDPMessage::AddSignatureHeader(char* fieldname, char* fieldvalue){
SSDP_HTTP_HEADER *thisHeader = (SSDP_HTTP_HEADER*)malloc(sizeof(SSDP_HTTP_HEADER));
thisHeader->fieldname = (u8*)fieldname;
thisHeader->fieldnamelen = strlen(fieldname);
thisHeader->fieldvalue = (u8*)fieldvalue;
thisHeader->fieldvaluelen = strlen(fieldvalue);
mHeaderSignature.push_back(thisHeader);
return mHeaderSignature.size();
}
这是来自upnpx库的代码。 在库的演示项目中它可以正常工作。
malloc
要求您包含cstdlib
。
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