tvbuff-int.h

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#ifndef __TVBUFF_INT_H__
#define __TVBUFF_INT_H__
 
struct tvbuff;
 
struct tvb_ops {
    gsize tvb_size;
    void (*tvb_free)(struct tvbuff *tvb);
    guint (*tvb_offset)(const struct tvbuff *tvb, guint counter);
    const guint8 *(*tvb_get_ptr)(struct tvbuff *tvb, guint abs_offset, guint abs_length);
    void *(*tvb_memcpy)(struct tvbuff *tvb, void *target, guint offset, guint length);
 
    gint (*tvb_find_guint8)(tvbuff_t *tvb, guint abs_offset, guint limit, guint8 needle);
    gint (*tvb_ws_mempbrk_pattern_guint8)(tvbuff_t *tvb, guint abs_offset, guint limit, const ws_mempbrk_pattern* pattern, guchar *found_needle);
 
    tvbuff_t *(*tvb_clone)(tvbuff_t *tvb, guint abs_offset, guint abs_length);
};
 
/*
 * Tvbuff flags.
 */
#define TVBUFF_FRAGMENT     0x00000001  /* this is a fragment */
 
struct tvbuff {
    /* Doubly linked list pointers */
    tvbuff_t                *next;
 
    /* Record-keeping */
    const struct tvb_ops   *ops;
    gboolean        initialized;
    guint           flags;
    struct tvbuff       *ds_tvb;  
    const guint8        *real_data;
 
    guint           length;
 
    guint           reported_length;
 
    guint           contained_length;
 
    /* Offset from beginning of first "real" tvbuff. */
    gint            raw_offset;
};
 
WS_DLL_PUBLIC tvbuff_t *tvb_new(const struct tvb_ops *ops);
 
tvbuff_t *tvb_new_proxy(tvbuff_t *backing);
 
void tvb_add_to_chain(tvbuff_t *parent, tvbuff_t *child);
 
guint tvb_offset_from_real_beginning_counter(const tvbuff_t *tvb, const guint counter);
 
void tvb_check_offset_length(const tvbuff_t *tvb, const gint offset, gint const length_val, guint *offset_ptr, guint *length_ptr);
#endif