[Winpcap-users] unexpected warning
Ziara .
essence_z at hotmail.com
Mon Nov 26 14:56:49 GMT 2007
Hi again! yes, I read the winpcap FAQ and in this says that I have to convert wpcap.lib and packet.lib from coff format to omf format to use in Builder c++, and I think I obtain this.
But when I compile a example, It appear this warning, and the content of line 786 in wspiapi.h is:
if ((iFlags & NI_NOFQDN) && (pc = strchr(pszNode, '.')))
With this warning I can build the .exe file I don't know very well what's the meaning of the example, because when a run this .exe file, a ms-dos windows is opened and in a second it's closed, and I don't know what's is happened.
this is the example:
void dispatcher_handler(u_char *, const struct pcap_pkthdr *, const u_char *);
main(int argc, char **argv){ pcap_t *fp; char errbuf[PCAP_ERRBUF_SIZE]; if(argc != 2) { printf("usage: %s filename", argv[0]); return -1;
} /* Open the capture file */ if ((fp = pcap_open_offline(argv[1], // name of the device errbuf // error buffer )) == NULL) { fprintf(stderr,"\nUnable to open the file %s.\n", argv[1]); return -1; }
/* read and dispatch packets until EOF is reached */ pcap_loop(fp, 0, dispatcher_handler, NULL);
pcap_close(fp); system("pause");
return 0;}
void dispatcher_handler(u_char *temp1, const struct pcap_pkthdr *header, const u_char *pkt_data){ u_int i=0;
/* print pkt timestamp and pkt len */ printf("%ld:%ld (%ld)\n", header->ts.tv_sec, header->ts.tv_usec, header->len);
/* Print the packet */ for (i=1; (i < header->caplen + 1 ) ; i++) { printf("%.2x ", pkt_data[i-1]); if ( (i % LINE_LEN) == 0) printf("\n"); }
printf("\n\n");
}
From: gianluca.varenni at cacetech.comTo: winpcap-users at winpcap.orgSubject: Re: RE:[Winpcap-users] unexpected warningDate: Fri, 23 Nov 2007 09:00:57 -0800
The WinPcap developer's pack doesn't official support the Borland C++ environment, so I'm just trying to guess what's going on.
What's the content of line 786 in wspiapi.h? That header file is a system include file (i.e. it doesn't come with WinPcap), so it's quite weird that the compiler spits out a warning on that file.
Have a nice day
GV
----- Original Message -----
From: nechoe_cn at sina.com
To: winpcap-users at winpcap.org
Sent: Thursday, November 22, 2007 4:34 PM
Subject: RE:[Winpcap-users] unexpected warning
----- Original Message -----From:Ziara . To:Subject:[Winpcap-users] unexpected warningDate:07-11-23 02:15:39
Hello, I'm now in this.. I'm using winpcap with builder c++ and when I build one example, it appear one warning said: (C++ Warning) wspiapi.h(786): W8060 Possibly incorrect assignment and, I don't know why??
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