diff options
Diffstat (limited to 'contrib/bind/bin/named/ns_parseutil.c')
| -rw-r--r-- | contrib/bind/bin/named/ns_parseutil.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/contrib/bind/bin/named/ns_parseutil.c b/contrib/bind/bin/named/ns_parseutil.c deleted file mode 100644 index 3619dc7..0000000 --- a/contrib/bind/bin/named/ns_parseutil.c +++ /dev/null @@ -1,243 +0,0 @@ -/* - * Copyright (c) 1996-2000 by Internet Software Consortium. - * - * 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS - * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE - * CONSORTIUM 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. - */ - -/* Global C stuff goes here. */ - - -#include "port_before.h" - -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/un.h> - -#include <netinet/in.h> -#include <arpa/nameser.h> - -#include <ctype.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> -#include <time.h> - -#include <isc/eventlib.h> -#include <isc/logging.h> -#include <isc/memcluster.h> - -#include "port_after.h" - -#include "named.h" -#include "ns_parseutil.h" - - -/* - * Symbol Table - */ - -symbol_table -new_symbol_table(int size_guess, free_function free_value) { - symbol_table st; - - st = (symbol_table)memget(sizeof (struct symbol_table)); - if (st == NULL) - panic("memget failed in new_symbol_table()", NULL); - st->table = (symbol_entry *)memget(size_guess * sizeof *st->table); - if (st->table == NULL) - panic("memget failed in new_symbol_table()", NULL); - memset(st->table, 0, size_guess * sizeof (symbol_entry)); - st->size = size_guess; /* size_guess should be prime */ - st->free_value = free_value; - return (st); -} - -void -free_symbol(symbol_table st, symbol_entry ste) { - ste->key = freestr(ste->key); - if (ste->flags & SYMBOL_FREE_VALUE) - (st->free_value)(ste->type, ste->value.pointer); -} - -void -free_symbol_table(symbol_table st) { - int i; - symbol_entry ste, ste_next; - - for (i = 0; i < st->size; i++) { - for (ste = st->table[i]; ste != NULL; ste = ste_next) { - ste_next = ste->next; - free_symbol(st, ste); - memput(ste, sizeof *ste); - } - } - memput(st->table, st->size * sizeof (symbol_entry)); - memput(st, sizeof *st); -} - -void -dprint_symbol_table(int level, symbol_table st) { - int i; - symbol_entry ste; - - for (i = 0; i < st->size; i++) { - for (ste = st->table[i]; ste != NULL; ste = ste->next) - ns_debug(ns_log_parser, level, - "%7d: (%s: %d %p/%d %04x) ", - i, ste->key, ste->type, ste->value.pointer, - ste->value.integer, ste->flags); - } -} - -/* - * 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. - */ -static int -symbol_hash(const char *key, int prime) { - const char *s; - unsigned int h = 0; - unsigned int g; - int c; - - for (s = key; *s != '\0'; s++) { - c = *s; - if (isascii(c) && isupper(c)) - c = tolower(c); - h = ( h << 4 ) + c; - if ((g = ( h & 0xf0000000 )) != 0) { - h = h ^ (g >> 24); - h = h ^ g; - } - } - return (h % prime); -} - -int -lookup_symbol(symbol_table st, const char *key, int type, - symbol_value *value) { - int hash; - symbol_entry ste; - - hash = symbol_hash(key, st->size); - for (ste = st->table[hash]; ste != NULL; ste = ste->next) - if ((type == 0 || ste->type == type) && - strcasecmp(ste->key, key) == 0) - break; - if (ste != NULL) { - if (value != NULL) - *value = ste->value; - return (1); - } - return (0); -} - -void -define_symbol(symbol_table st, const char *key, int type, symbol_value value, - unsigned int flags) { - int hash; - symbol_entry ste; - - hash = symbol_hash(key, st->size); - for (ste = st->table[hash]; ste != NULL; ste = ste->next) - if ((type == 0 || ste->type == type) && - strcasecmp(ste->key, key) == 0) - break; - if (ste == NULL) { - ste = (symbol_entry)memget(sizeof *ste); - if (ste == NULL) - panic("memget failed in define_symbol()", NULL); - ste->key = savestr(key, 1); - ste->type = type; - ste->value = value; - ste->flags = flags; - ste->next = st->table[hash]; - st->table[hash] = ste; - } else { - ns_debug(ns_log_parser, 7, "redefined symbol %s type %d", - key, type); - free_symbol(st, ste); - ste->key = savestr(key, 1); - ste->value = value; - ste->flags = flags; - } -} - -void -undefine_symbol(symbol_table st, char *key, int type) { - int hash; - symbol_entry prev_ste, ste; - - hash = symbol_hash(key, st->size); - for (prev_ste = NULL, ste = st->table[hash]; - ste != NULL; - prev_ste = ste, ste = ste->next) - if ((type == 0 || ste->type == type) && - strcasecmp(ste->key, key) == 0) - break; - if (ste != NULL) { - free_symbol(st, ste); - if (prev_ste != NULL) - prev_ste->next = ste->next; - else - st->table[hash] = ste->next; - memput(ste, sizeof *ste); - } -} - -/* - * Conversion Routines - */ - -int -unit_to_ulong(char *in, u_long *out) { - int c, units_done = 0; - u_long result = 0L; - - INSIST(in != NULL); - - for (; (c = *in) != '\0'; in++) { - if (units_done) - return (0); - if (isdigit(c)) { - result *= 10; - result += (c - '0'); - } else { - switch (c) { - case 'k': - case 'K': - result *= 1024; - units_done = 1; - break; - case 'm': - case 'M': - result *= (1024*1024); - units_done = 1; - break; - case 'g': - case 'G': - result *= (1024*1024*1024); - units_done = 1; - break; - default: - return (0); - } - } - } - - *out = result; - return (1); -} |
