vendor/bind9/9.3.2p1

1 files changed, 0 insertions, 278 deletions

diff --git a/contrib/bind9/lib/isccc/symtab.c b/contrib/bind9/lib/isccc/symtab.c
deleted file mode 100644
index 6aca4850f4da..000000000000
--- a/contrib/bind9/lib/isccc/symtab.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * Portions Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
- * Portions Copyright (C) 2001  Internet Software Consortium.
- * Portions Copyright (C) 2001  Nominum, Inc.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NOMINUM DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/* $Id: symtab.c,v 1.3.12.3 2004/03/08 09:05:04 marka Exp $ */
-
-#include <config.h>
-
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <isc/assertions.h>
-#include <isc/magic.h>
-
-#include <isccc/result.h>
-#include <isccc/symtab.h>
-#include <isccc/util.h>
-
-typedef struct elt {
-	char *				key;
-	unsigned int			type;
-	isccc_symvalue_t			value;
-	ISC_LINK(struct elt)		link;
-} elt_t;
-
-typedef ISC_LIST(elt_t)			eltlist_t;
-
-#define SYMTAB_MAGIC			ISC_MAGIC('S', 'y', 'm', 'T')
-#define VALID_SYMTAB(st)		ISC_MAGIC_VALID(st, SYMTAB_MAGIC)
-
-struct isccc_symtab {
-	unsigned int			magic;
-	unsigned int			size;
-	eltlist_t *			table;
-	isccc_symtabundefaction_t		undefine_action;
-	void *				undefine_arg;
-	isc_boolean_t			case_sensitive;
-};
-
-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)
-{
-	isccc_symtab_t *symtab;
-	unsigned int i;
-
-	REQUIRE(symtabp != NULL && *symtabp == NULL);
-	REQUIRE(size > 0);	/* Should be prime. */
-
-	symtab = malloc(sizeof(*symtab));
-	if (symtab == NULL)
-		return (ISC_R_NOMEMORY);
-	symtab->table = malloc(size * sizeof(eltlist_t));
-	if (symtab->table == NULL) {
-		free(symtab);
-		return (ISC_R_NOMEMORY);
-	}
-	for (i = 0; i < size; i++)
-		ISC_LIST_INIT(symtab->table[i]);
-	symtab->size = size;
-	symtab->undefine_action = undefine_action;
-	symtab->undefine_arg = undefine_arg;
-	symtab->case_sensitive = case_sensitive;
-	symtab->magic = SYMTAB_MAGIC;
-
-	*symtabp = symtab;
-
-	return (ISC_R_SUCCESS);
-}
-
-static inline void
-free_elt(isccc_symtab_t *symtab, unsigned int bucket, elt_t *elt) {
-	ISC_LIST_UNLINK(symtab->table[bucket], elt, link);
-	if (symtab->undefine_action != NULL)
-		(symtab->undefine_action)(elt->key, elt->type, elt->value,
-					  symtab->undefine_arg);
-	free(elt);
-}
-
-void
-isccc_symtab_destroy(isccc_symtab_t **symtabp) {
-	isccc_symtab_t *symtab;
-	unsigned int i;
-	elt_t *elt, *nelt;
-
-	REQUIRE(symtabp != NULL);
-	symtab = *symtabp;
-	REQUIRE(VALID_SYMTAB(symtab));
-
-	for (i = 0; i < symtab->size; i++) {
-		for (elt = ISC_LIST_HEAD(symtab->table[i]);
-		     elt != NULL;
-		     elt = nelt) {
-			nelt = ISC_LIST_NEXT(elt, link);
-			free_elt(symtab, i, elt);
-		}
-	}
-	free(symtab->table);
-	symtab->magic = 0;
-	free(symtab);
-
-	*symtabp = NULL;
-}
-
-static inline unsigned int
-hash(const char *key, isc_boolean_t case_sensitive) {
-	const char *s;
-	unsigned int h = 0;
-	unsigned int g;
-	int c;
-
-	/*
-	 * P. J. Weinberger's hash function, adapted from p. 436 of
-	 * _Compilers: Principles, Techniques, and Tools_, Aho, Sethi
-	 * and Ullman, Addison-Wesley, 1986, ISBN 0-201-10088-6.
-	 */
-
-	if (case_sensitive) {
-		for (s = key; *s != '\0'; s++) {
-			h = ( h << 4 ) + *s;
-			if ((g = ( h & 0xf0000000 )) != 0) {
-				h = h ^ (g >> 24);
-				h = h ^ g;
-			}
-		}
-	} else {
-		for (s = key; *s != '\0'; s++) {
-			c = *s;
-			c = tolower((unsigned char)c);
-			h = ( h << 4 ) + c;
-			if ((g = ( h & 0xf0000000 )) != 0) {
-				h = h ^ (g >> 24);
-				h = h ^ g;
-			}
-		}
-	}
-
-	return (h);
-}
-
-#define FIND(s, k, t, b, e) \
-	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; \
-		} \
-	}
-
-isc_result_t
-isccc_symtab_lookup(isccc_symtab_t *symtab, const char *key, unsigned int type,
-		  isccc_symvalue_t *value)
-{
-	unsigned int bucket;
-	elt_t *elt;
-
-	REQUIRE(VALID_SYMTAB(symtab));
-	REQUIRE(key != NULL);
-
-	FIND(symtab, key, type, bucket, elt);
-
-	if (elt == NULL)
-		return (ISC_R_NOTFOUND);
-
-	if (value != NULL)
-		*value = elt->value;
-
-	return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-isccc_symtab_define(isccc_symtab_t *symtab, char *key, unsigned int type,
-		  isccc_symvalue_t value, isccc_symexists_t exists_policy)
-{
-	unsigned int bucket;
-	elt_t *elt;
-
-	REQUIRE(VALID_SYMTAB(symtab));
-	REQUIRE(key != NULL);
-	REQUIRE(type != 0);
-
-	FIND(symtab, key, type, bucket, elt);
-
-	if (exists_policy != isccc_symexists_add && elt != NULL) {
-		if (exists_policy == isccc_symexists_reject)
-			return (ISC_R_EXISTS);
-		INSIST(exists_policy == isccc_symexists_replace);
-		ISC_LIST_UNLINK(symtab->table[bucket], elt, link);
-		if (symtab->undefine_action != NULL)
-			(symtab->undefine_action)(elt->key, elt->type,
-						  elt->value,
-						  symtab->undefine_arg);
-	} else {
-		elt = malloc(sizeof(*elt));
-		if (elt == NULL)
-			return (ISC_R_NOMEMORY);
-		ISC_LINK_INIT(elt, link);
-	}
-
-	elt->key = key;
-	elt->type = type;
-	elt->value = value;
-
-	/*
-	 * We prepend so that the most recent definition will be found.
-	 */
-	ISC_LIST_PREPEND(symtab->table[bucket], elt, link);
-
-	return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-isccc_symtab_undefine(isccc_symtab_t *symtab, const char *key, unsigned int type) {
-	unsigned int bucket;
-	elt_t *elt;
-
-	REQUIRE(VALID_SYMTAB(symtab));
-	REQUIRE(key != NULL);
-
-	FIND(symtab, key, type, bucket, elt);
-
-	if (elt == NULL)
-		return (ISC_R_NOTFOUND);
-
-	free_elt(symtab, bucket, elt);
-
-	return (ISC_R_SUCCESS);
-}
-
-void
-isccc_symtab_foreach(isccc_symtab_t *symtab, isccc_symtabforeachaction_t action,
-		   void *arg)
-{
-	unsigned int i;
-	elt_t *elt, *nelt;
-
-	REQUIRE(VALID_SYMTAB(symtab));
-	REQUIRE(action != NULL);
-
-	for (i = 0; i < symtab->size; i++) {
-		for (elt = ISC_LIST_HEAD(symtab->table[i]);
-		     elt != NULL;
-		     elt = nelt) {
-			nelt = ISC_LIST_NEXT(elt, link);
-			if ((action)(elt->key, elt->type, elt->value, arg))
-				free_elt(symtab, i, elt);
-		}
-	}
-}