_sexp-value.h
/*
* Copyright 2009 Red Hat Inc., Durham, North Carolina.
* All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Authors:
* "Daniel Kopecek" <dkopecek@redhat.com>
*/
#pragma once
#ifndef _SEXP_VALUE_H
#define _SEXP_VALUE_H
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include "_sexp-types.h"
#include "../../../common/util.h"
OSCAP_HIDDEN_START;
typedef uint8_t SEXP_valtype_t;
#define SEXP_VALTYPE_EMPTY 0
#define SEXP_VALTYPE_STRING 1
#define SEXP_VALTYPE_NUMBER 2
#define SEXP_VALTYPE_LIST 3
typedef struct {
uint32_t refs;
size_t size;
} __attribute__ ((packed)) SEXP_valhdr_t;
typedef struct {
uintptr_t ptr;
SEXP_valhdr_t *hdr;
void *mem;
SEXP_valtype_t type;
} SEXP_val_t;
#define SEXP_VALP_ALIGN (4 > sizeof(void *) ? 4 : sizeof(void *))
#define SEXP_VALP_MASK (UINTPTR_MAX << 2)
#define SEXP_VALT_MASK 3
#define SEXP_VALP_HDR(p) ((SEXP_valhdr_t *)(((uintptr_t)(p)) & SEXP_VALP_MASK))
int SEXP_val_new (SEXP_val_t *dst, size_t vmemsize, SEXP_valtype_t type);
void SEXP_val_dsc (SEXP_val_t *dst, uintptr_t ptr);
uintptr_t SEXP_val_ptr (SEXP_val_t *dsc);
uintptr_t SEXP_rawval_incref (uintptr_t valp);
int SEXP_rawval_decref (uintptr_t valp);
#define SEXP_DEFNUM(s,T) struct SEXP_val_num_##s { T n; SEXP_numtype_t t; } __attribute__ ((packed))
#define SEXP_NCASTP(s,p) ((struct SEXP_val_num_##s *)(p))
#define SEXP_NTYPEP(sz,p) *((SEXP_numtype_t *)(((uint8_t *)(p)) + (sz) - sizeof (SEXP_numtype_t)))
SEXP_numtype_t SEXP_rawval_number_type (SEXP_val_t *dsc);
SEXP_DEFNUM(b, bool);
SEXP_DEFNUM(f, double);
SEXP_DEFNUM(i8, int8_t);
SEXP_DEFNUM(u8, uint8_t);
SEXP_DEFNUM(i16, int16_t);
SEXP_DEFNUM(u16, uint16_t);
SEXP_DEFNUM(i32, int32_t);
SEXP_DEFNUM(u32, uint32_t);
SEXP_DEFNUM(i64, int64_t);
SEXP_DEFNUM(u64, uint64_t);
/*
* List
*/
struct SEXP_val_list {
void *b_addr;
uint16_t offset;
} __attribute__ ((packed));
#define SEXP_LCASTP(p) ((struct SEXP_val_list *)(p))
struct SEXP_val_lblk {
uintptr_t nxsz;
uint16_t real;
uint16_t refs;
SEXP_t memb[];
} __attribute__ ((packed));
size_t SEXP_rawval_list_length (struct SEXP_val_list *list);
uintptr_t SEXP_rawval_list_copy (uintptr_t s_valp);
uintptr_t SEXP_rawval_lblk_copy (uintptr_t lblkp, uint16_t n_skip);
uintptr_t SEXP_rawval_lblk_new (uint8_t sz);
uintptr_t SEXP_rawval_lblk_incref (uintptr_t lblkp);
int SEXP_rawval_lblk_decref (uintptr_t lblkp);
uintptr_t SEXP_rawval_lblk_fill (uintptr_t lblkp, SEXP_t *s_exp[], uint16_t s_exp_count);
uintptr_t SEXP_rawval_lblk_add (uintptr_t lblkp, const SEXP_t *s_exp);
uintptr_t SEXP_rawval_lblk_add1 (uintptr_t lblkp, const SEXP_t *s_exp);
uintptr_t SEXP_rawval_lblk_last (uintptr_t lblkp);
SEXP_t *SEXP_rawval_lblk_nth (uintptr_t lblkp, uint32_t n);
uintptr_t SEXP_rawval_lblk_replace (uintptr_t lblkp, uint32_t n, const SEXP_t *n_val, SEXP_t **o_val);
int SEXP_rawval_lblk_cb (uintptr_t lblkp, int (*func) (SEXP_t *, void *), void *arg, uint32_t n);
void SEXP_rawval_lblk_free (uintptr_t lblkp, void (*func) (SEXP_t *));
void SEXP_rawval_lblk_free1 (uintptr_t lblkp, void (*func) (SEXP_t *));
#define SEXP_LBLK_ALIGN (16 > sizeof(void *) ? 16 : sizeof(void *))
#define SEXP_LBLKP_MASK (UINTPTR_MAX << 4)
#define SEXP_LBLKS_MASK 0x0f
#define SEXP_VALP_LBLK(valp) ((struct SEXP_val_lblk *)((uintptr_t)(valp) & SEXP_LBLKP_MASK))
uintptr_t SEXP_rawval_copy(uintptr_t s_valp);
OSCAP_HIDDEN_END;
#endif /* _SEXP_VALUE_H */