Wireshark-dev: Re: [Wireshark-dev] VALS
From: "Maynard, Chris" <[email protected]>
Date: Sun, 11 Nov 2007 22:14:07 -0500
It's hard to tell why it's not working without some code to look at it.  At a minimum, what does your value_string array look like, how are you attempting to add the "cnp code" to your flags_tree, and what is the hf_register_info array entry where VALS is used?
 
You should have something like the following:
 
static int hf_yourproto_flags_code = -1;
static const value_string code_vals[] = {
    {0x00, "CNP"},
    {0x01, "CNP2"},
    {0x02, "CNP3"},
    {0, NULL}
};
 
.... 
 
static gboolean dissect_yourproto(...) {
    ...
    proto_tree_add_item(flags_tree, hf_yourproto_flags_code, tvb, offset, 1, FALSE);
    ...
}
....
 
void proto_register_yourproto(void) {
    static hf_register_info hf[] = {
        ...
        {&hf_yourproto_flags_code,
            {"Code", "yourproto.flags.code", FT_UINT8, BASE_HEX,
            VALS(code_vals), 0x1F, "", HFILL}},
        ...
    };
}
 
Hope it helps.  If not, I suggest you post your code.
Chris

________________________________

From: [email protected] on behalf of khalid habibi
Sent: Sun 11/11/2007 6:58 PM
To: [email protected]
Subject: [Wireshark-dev] VALS


Hi 
When Bitweise decoding, I wille an issue as follows: 
The decoding is for 0x00 like: 
--------------------------- 
0 ... ....: Flag 1: Not Set 
..0 .. ....: Flag 2: Not Set 
... 0 ....: Flag 3: Not Set 
.... 0 0000: CODE: (0x00) CNP 
------------------------------ 
If CODE (lezte 5 bits) = 00000 (0x00) is CNP, 
If CODE = 00001 (0x01) CNP2 
If CODE = 00010 (0x02) CNP3 

I have tried it with VALS but it does not work. 
PLEASE help me. 
Thank you


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