[mirror_iproute2.git] / tc / m_ematch.h

#ifndef __TC_EMATCH_H_
#define __TC_EMATCH_H_

#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>

#include "utils.h"
#include "tc_util.h"

#define EMATCHKINDSIZ 16

struct bstr
{
	char	*data;
	unsigned int	len;
	int		quoted;
	struct bstr	*next;
};

extern struct bstr * bstr_alloc(const char *text);

static inline struct bstr * bstr_new(char *data, unsigned int len)
{
	struct bstr *b = calloc(1, sizeof(*b));

	if (b == NULL)
		return NULL;

	b->data = data;
	b->len = len;

	return b;
}

static inline int bstrcmp(struct bstr *b, const char *text)
{
	int len = strlen(text);
	int d = b->len - len;

	if (d == 0)
		return strncmp(b->data, text, len);

	return d;
}

static inline struct bstr *bstr_next(struct bstr *b)
{
	return b->next;
}

extern unsigned long bstrtoul(const struct bstr *b);
extern void bstr_print(FILE *fd, const struct bstr *b, int ascii);


struct ematch
{
	struct bstr	*args;
	int		index;
	int		inverted;
	int		relation;
	int		child_ref;
	struct ematch	*child;
	struct ematch	*next;
};

static inline struct ematch * new_ematch(struct bstr *args, int inverted)
{
	struct ematch *e = calloc(1, sizeof(*e));

	if (e == NULL)
		return NULL;

	e->args = args;
	e->inverted = inverted;

	return e;
}

extern void print_ematch_tree(const struct ematch *tree);


struct ematch_util
{
	char			kind[EMATCHKINDSIZ];
	int			kind_num;
	int	(*parse_eopt)(struct nlmsghdr *,struct tcf_ematch_hdr *,
			      struct bstr *);
	int	(*print_eopt)(FILE *, struct tcf_ematch_hdr *, void *, int);
	void	(*print_usage)(FILE *);
	struct ematch_util	*next;
};

static inline int parse_layer(struct bstr *b)
{
	if (*((char *) b->data) == 'l')
		return TCF_LAYER_LINK;
	else if (*((char *) b->data) == 'n')
		return TCF_LAYER_NETWORK;
	else if (*((char *) b->data) == 't')
		return TCF_LAYER_TRANSPORT;
	else
		return INT_MAX;
}

extern int em_parse_error(int err, struct bstr *args, struct bstr *carg,
		   struct ematch_util *, char *fmt, ...);
extern int print_ematch(FILE *, const struct rtattr *);
extern int parse_ematch(int *, char ***, int, struct nlmsghdr *);

#endif
Commit	Line	Data
6a805a65 SH	1	#ifndef __TC_EMATCH_H_
	2	#define __TC_EMATCH_H_
	3
	4	#include <ctype.h>
737f15f6 SH	5	#include <stdlib.h>
737f15f6 SH	6	#include <string.h>
5bd9dd49	7	#include <limits.h>
6a805a65 SH	8
	9	#include "utils.h"
	10	#include "tc_util.h"
	11
	12	#define EMATCHKINDSIZ 16
	13
	14	struct bstr
	15	{
f332d169	16	char *data;
6a805a65 SH	17	unsigned int len;
	18	int quoted;
	19	struct bstr *next;
	20	};
	21
b6da1afc	22	extern struct bstr * bstr_alloc(const char *text);
6a805a65 SH	23
	24	static inline struct bstr * bstr_new(char *data, unsigned int len)
	25	{
	26	struct bstr b = calloc(1, sizeof(b));
	27
	28	if (b == NULL)
	29	return NULL;
	30
	31	b->data = data;
	32	b->len = len;
	33
	34	return b;
	35	}
	36
	37	static inline int bstrcmp(struct bstr b, const char text)
	38	{
	39	int len = strlen(text);
	40	int d = b->len - len;
	41
	42	if (d == 0)
f332d169	43	return strncmp(b->data, text, len);
6a805a65 SH	44
	45	return d;
	46	}
	47
6a805a65 SH	48	static inline struct bstr bstr_next(struct bstr b)
	49	{
	50	return b->next;
	51	}
	52
b6da1afc SH	53	extern unsigned long bstrtoul(const struct bstr *b);
	54	extern void bstr_print(FILE fd, const struct bstr b, int ascii);
	55
	56
6a805a65 SH	57	struct ematch
	58	{
	59	struct bstr *args;
	60	int index;
	61	int inverted;
	62	int relation;
	63	int child_ref;
	64	struct ematch *child;
	65	struct ematch *next;
	66	};
	67
	68	static inline struct ematch * new_ematch(struct bstr *args, int inverted)
	69	{
	70	struct ematch e = calloc(1, sizeof(e));
	71
	72	if (e == NULL)
	73	return NULL;
	74
	75	e->args = args;
	76	e->inverted = inverted;
	77
	78	return e;
	79	}
	80
b6da1afc SH	81	extern void print_ematch_tree(const struct ematch *tree);
b6da1afc SH	82
6a805a65 SH	83
	84	struct ematch_util
	85	{
	86	char kind[EMATCHKINDSIZ];
	87	int kind_num;
	88	int (parse_eopt)(struct nlmsghdr ,struct tcf_ematch_hdr *,
	89	struct bstr *);
	90	int (print_eopt)(FILE , struct tcf_ematch_hdr , void , int);
	91	void (print_usage)(FILE );
	92	struct ematch_util *next;
	93	};
	94
	95	static inline int parse_layer(struct bstr *b)
	96	{
	97	if (((char ) b->data) == 'l')
	98	return TCF_LAYER_LINK;
	99	else if (((char ) b->data) == 'n')
	100	return TCF_LAYER_NETWORK;
	101	else if (((char ) b->data) == 't')
	102	return TCF_LAYER_TRANSPORT;
	103	else
	104	return INT_MAX;
	105	}
	106
	107	extern int em_parse_error(int err, struct bstr args, struct bstr carg,
	108	struct ematch_util , char fmt, ...);
	109	extern int print_ematch(FILE , const struct rtattr );
	110	extern int parse_ematch(int , char *, int, struct nlmsghdr );
	111
	112	#endif