symtab.c File Reference

#include <config.h>
#include <ctype.h>
#include <stdlib.h>
#include <isc/assertions.h>
#include <isc/magic.h>
#include <isc/string.h>
#include <isccc/result.h>
#include <isccc/symtab.h>
#include <isccc/util.h>

Go to the source code of this file.

Data Structures
struct	elt
Defines
#define	SYMTAB_MAGIC   ISC_MAGIC('S', 'y', 'm', 'T')
#define	VALID_SYMTAB(st)   ISC_MAGIC_VALID(st, SYMTAB_MAGIC)
#define	FIND(s, k, t, b, e)
Typedefs
typedef struct elt	elt_t
Functions
typedef	ISC_LIST (elt_t)
isc_result_t	isccc_symtab_create (unsigned int size, isccc_symtabundefaction_t undefine_action, void *undefine_arg, isc_boolean_t case_sensitive, isccc_symtab_t **symtabp)
static void	free_elt (isccc_symtab_t *symtab, unsigned int bucket, elt_t *elt)
void	isccc_symtab_destroy (isccc_symtab_t **symtabp)
static unsigned int	hash (const char *key, isc_boolean_t case_sensitive)
isc_result_t	isccc_symtab_lookup (isccc_symtab_t *symtab, const char *key, unsigned int type, isccc_symvalue_t *value)
isc_result_t	isccc_symtab_define (isccc_symtab_t *symtab, char *key, unsigned int type, isccc_symvalue_t value, isccc_symexists_t exists_policy)
isc_result_t	isccc_symtab_undefine (isccc_symtab_t *symtab, const char *key, unsigned int type)
void	isccc_symtab_foreach (isccc_symtab_t *symtab, isccc_symtabforeachaction_t action, void *arg)

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Detailed Description

Definition in file symtab.c.

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Define Documentation

#define SYMTAB_MAGIC   ISC_MAGIC('S', 'y', 'm', 'T')

#define VALID_SYMTAB

(

st

)

ISC_MAGIC_VALID(st, SYMTAB_MAGIC)

#define FIND	(	s,
		k,
		t,
		b,
		e		)

Value:

b = hash((k), (s)->case_sensitive) % (s)->size; \
        if ((s)->case_sensitive) { \
                for (e = ISC_LIST_HEAD((s)->table[b]); \
                     e != NULL; \
                     e = ISC_LIST_NEXT(e, link)) { \
                        if (((t) == 0 || e->type == (t)) && \
                            strcmp(e->key, (k)) == 0) \
                                break; \
                } \
        } else { \
                for (e = ISC_LIST_HEAD((s)->table[b]); \
                     e != NULL; \
                     e = ISC_LIST_NEXT(e, link)) { \
                        if (((t) == 0 || e->type == (t)) && \
                            strcasecmp(e->key, (k)) == 0) \
                                break; \
                } \
        }

Definition at line 174 of file symtab.c.

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Typedef Documentation

typedef struct elt elt_t

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Function Documentation

typedef ISC_LIST

(

elt_t

)

Definition at line 56 of file symtab.c.

isc_result_t isccc_symtab_create	(	unsigned int	size,
		isccc_symtabundefaction_t	undefine_action,
		void *	undefine_arg,
		isc_boolean_t	case_sensitive,
		isccc_symtab_t **	symtabp
	)

Definition at line 71 of file symtab.c.

References free(), ISC_LIST_INIT, ISC_R_NOMEMORY, ISC_R_SUCCESS, REQUIRE, symtab, and SYMTAB_MAGIC.

Referenced by isccc_cc_createsymtab().

static void free_elt	(	isccc_symtab_t *	symtab,
		unsigned int	bucket,
		elt_t *	elt
	)			[inline, static]

Definition at line 105 of file symtab.c.

References free(), ISC_LIST_UNLINK, elt::key, elt::type, and elt::value.

Referenced by isccc_symtab_destroy(), isccc_symtab_foreach(), and isccc_symtab_undefine().

void isccc_symtab_destroy

(

isccc_symtab_t **

symtabp

)

Definition at line 114 of file symtab.c.

References free(), free_elt(), ISC_LIST_HEAD, ISC_LIST_NEXT, REQUIRE, symtab, and VALID_SYMTAB.

Referenced by ns_controls_destroy().

static unsigned int hash	(	const char *	key,
		isc_boolean_t	case_sensitive
	)			[inline, static]

Definition at line 139 of file symtab.c.

References s.

isc_result_t isccc_symtab_lookup	(	isccc_symtab_t *	symtab,
		const char *	key,
		unsigned int	type,
		isccc_symvalue_t *	value
	)

Definition at line 195 of file symtab.c.

References FIND, ISC_R_NOTFOUND, ISC_R_SUCCESS, REQUIRE, VALID_SYMTAB, and elt::value.

isc_result_t isccc_symtab_define	(	isccc_symtab_t *	symtab,
		char *	key,
		unsigned int	type,
		isccc_symvalue_t	value,
		isccc_symexists_t	exists_policy
	)

Definition at line 216 of file symtab.c.

References FIND, INSIST, ISC_LINK_INIT, ISC_LIST_PREPEND, ISC_LIST_UNLINK, ISC_R_EXISTS, ISC_R_NOMEMORY, ISC_R_SUCCESS, isccc_symexists_add, isccc_symexists_reject, isccc_symexists_replace, elt::key, REQUIRE, elt::type, VALID_SYMTAB, and elt::value.

Referenced by isccc_cc_checkdup().

isc_result_t isccc_symtab_undefine	(	isccc_symtab_t *	symtab,
		const char *	key,
		unsigned int	type
	)

Definition at line 257 of file symtab.c.

References FIND, free_elt(), ISC_R_NOTFOUND, ISC_R_SUCCESS, REQUIRE, and VALID_SYMTAB.

void isccc_symtab_foreach	(	isccc_symtab_t *	symtab,
		isccc_symtabforeachaction_t	action,
		void *	arg
	)

Definition at line 275 of file symtab.c.

References free_elt(), ISC_LIST_HEAD, ISC_LIST_NEXT, elt::key, REQUIRE, elt::type, VALID_SYMTAB, and elt::value.

Referenced by isccc_cc_cleansymtab().

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