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?????? how to use the wire shark source code to developapplication?
From: "??????????" <237825552 () qq com>
Date: Sun, 30 Mar 2014 17:44:58 +0800

ok,I will try,thank you so much!

------------------ ???????? ------------------
??????: "Pascal Quantin";<pascal.quantin () gmail com>;
????????: 2014??3??30??(??????) ????5:06
??????: "Developer support list for Wireshark"<wireshark-dev () wireshark org>; 

????: Re: [Wireshark-dev] how to use the wireshark source code to developapplication?

 Le 30 mars 2014 08:58, "??????????" <237825552 () qq com> a ??crit :

I want to store some information about packets and transmit among files,so i create a file in wireshark root 
directory,named performance.h:

#include <glib.h>
typedef struct performance_s
gfloat time[100];
       gfloat delay[100];
guint32 packetSize[100];
guint32 payload;
guint32 index;
guint32 temp_size;
gfloat temp_time;
extern peformance* performance_test;

in the file ,i declare a struct and declare a pointer to it,then i want to use the variable "performance_test" in 
file wiretap/libpcap.c, epan/dissectors/packet-ieee80211.c,so i define the variable "peformance_test" in 
performance.c in wireshark root directory  and include the head file in wiretap/libpcap.c, 
epan/dissectors/packet-ieee80211.c ,but once i use the variable in these two files,when i compile the wireshark 
project,it come up with one error:undefined reference to 'peformance_test'.

it looks like the variable peformance_test should be defined and used in the same file ,if i want to use it in 
different files,i think i should modify the makefile.common to change the compile process ,but i don't know how 
.could someone help me fix it,please!
Assuming you work on the master branch (Wireshark 1.11.X), if you want to use in libwireshark a variable defined in 
libwiretap, you should export the symbol with the WS_DLL_PUBLIC macro instead of using extern. Do not forget to include 
ws_symbol_export.h file also.
 You can search in the code for examples of the use of this macro.
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