msg_hclass_s Struct Reference

Factory object for a header. More...

#include <msg_types.h>

Data Fields
int	hc_hash
	Header name hash or ID.
msg_parse_f *	hc_parse
	Parse header.
msg_print_f *	hc_print
	Print header.
msg_xtra_f *	hc_dxtra
	Calculate extra size for dup.
msg_dup_f *	hc_dup_one
	Duplicate one header.
msg_update_f *	hc_update
	Update parameter(s).
char const *	hc_name
	Full name.
short	hc_len
	Length of hc_name.
char	hc_short [2]
	Short name, if any.
unsigned char	hc_size
	Size of header structure.
unsigned char	hc_params
	Offset of parameter list.
unsigned	hc_kind:3
	Kind of header (msg_header_kind_t): single, append, list, apndlist, prepend.
unsigned	hc_critical:1
	True if header is critical.

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Detailed Description

Factory object for a header.

The msg_hclass_t object, "header class", defines how a header is handled. It has parsing and printing functions, functions used to copy header objects, header name and other information used when parsing, printing, removing, adding and replacing headers within a message.

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Field Documentation

msg_dup_f* hc_dup_one

Duplicate one header.

unsigned hc_kind

Kind of header (msg_header_kind_t): single, append, list, apndlist, prepend.

short hc_len

Length of hc_name.

char const* hc_name

Full name.

msg_parse_f* hc_parse

Parse header.

msg_print_f* hc_print

Print header.

char hc_short[2]

Short name, if any.

unsigned char hc_size

Size of header structure.