Wireshark-dev: Re: [Wireshark-dev] Keep getting "unresolved external symbol" error when trying
From: Anders Broman <[email protected]>
Date: Wed, 22 May 2013 07:30:16 +0200
Richard Turner skrev 2013-05-22 07:19:
Hello,

I'm trying to implement the statistics summary window in QtShark, but when I use these two functions I keep getting LNK2019 "unresolved external symbol" error from my VS2010 compiler:
summary_fill_in(&cfile, &summary);
summary_fill_in_capture(&cfile, &global_capture_opts, &summary);

both are located in summary.c

I've tested using the two functions in main.cpp(which properly included the headers needed), and I got the same link error.

The headers I've included are as follows:
#include <string.h>
#include <time.h>
#include "config.h"
#include <glib.h>
#include "qt_ui_utils.h"
#include <epan/strutil.h>
#include <wiretap/wtap.h>
#include "globals.h"
#include "file.h"
#include "summary.h"
#include "version_info.h"

#ifdef HAVE_LIBPCAP
#include "../capture.h"
#include "ui/capture_globals.h"
#include "../capture-pcap-util.h"
#endif

Regards,
Try changing summary.h as follows
WS_DLL_PUBLIC extern void
summary_fill_in(capture_file *cf, summary_tally *st);

#ifdef HAVE_LIBPCAP
WS_DLL_PUBLIC extern void
summary_fill_in_capture(capture_file *cf, capture_options *capture_opts, summary_tally *st);
#endif

Regards
Anders
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