df_func_def_t Struct Reference

Defines a display filter function, holding its name, implementation, arity, and type information. More...

#include <dfunctions.h>

Public Attributes
const char *	name
DFFuncType	function
unsigned	min_nargs
unsigned	max_nargs
ftenum_t	return_ftype
DFSemCheckType	semcheck_param_function

Detailed Description

Defines a display filter function, holding its name, implementation, arity, and type information.

Member Data Documentation

function

DFFuncType df_func_def_t::function

Pointer to the function implementation.

max_nargs

unsigned df_func_def_t::max_nargs

Maximum number of arguments the function accepts; 0 means no upper limit.

min_nargs

unsigned df_func_def_t::min_nargs

Minimum number of arguments the function accepts.

name

const char* df_func_def_t::name

The function name as used in display filter expressions.

return_ftype

ftenum_t df_func_def_t::return_ftype

Return type of the function; FT_NONE if the return type matches the argument type.

semcheck_param_function

DFSemCheckType df_func_def_t::semcheck_param_function

Semantic check callback used to validate the function's parameters at compile time.

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The documentation for this struct was generated from the following file:

• /builds/wireshark/wireshark/epan/dfilter/dfunctions.h