+++ /dev/null
-/***
- This file is part of avahi.
-
- avahi 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.
-
- avahi 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 avahi; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- USA.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <assert.h>
-
-#include <avahi-common/strlst.h>
-#include <avahi-common/malloc.h>
-#include <avahi-common/domain.h>
-
-#include "howl.h"
-#include "warn.h"
-
-struct _sw_text_record {
- AvahiStringList *strlst;
- uint8_t *buffer;
- size_t buffer_size;
- int buffer_valid;
-};
-
-#ifndef HAVE_STRLCPY
-
-static size_t strlcpy(char *dest, const char *src, size_t n) {
- assert(dest);
- assert(src);
-
- if (n > 0) {
- strncpy(dest, src, n-1);
- dest[n-1] = 0;
- }
-
- return strlen(src);
-}
-
-#endif
-
-sw_result sw_text_record_init(sw_text_record *self) {
- assert(self);
-
- AVAHI_WARN_LINKAGE;
-
- if (!(*self = avahi_new(struct _sw_text_record, 1))) {
- *self = NULL;
- return SW_E_UNKNOWN;
- }
-
- (*self)->strlst = NULL;
- (*self)->buffer = NULL;
- (*self)->buffer_size = 0;
- (*self)->buffer_valid = 0;
-
- return SW_OKAY;
-}
-
-sw_result sw_text_record_fina(sw_text_record self) {
- assert(self);
-
- AVAHI_WARN_LINKAGE;
-
- avahi_string_list_free(self->strlst);
- avahi_free(self->buffer);
- avahi_free(self);
- return SW_OKAY;
-}
-
-sw_result sw_text_record_add_string(
- sw_text_record self,
- sw_const_string string) {
-
- AvahiStringList *n;
-
- assert(self);
- assert(string);
-
- AVAHI_WARN_LINKAGE;
-
- if (!(n = avahi_string_list_add(self->strlst, string)))
- return SW_E_UNKNOWN;
-
- self->strlst = n;
- self->buffer_valid = 0;
- return SW_OKAY;
-}
-
-sw_result sw_text_record_add_key_and_string_value(
- sw_text_record self,
- sw_const_string key,
- sw_const_string val) {
-
- AvahiStringList *n;
-
- assert(self);
- assert(key);
-
- AVAHI_WARN_LINKAGE;
-
- if (!(n = avahi_string_list_add_pair(self->strlst, key, val)))
- return SW_E_UNKNOWN;
-
- self->strlst = n;
- self->buffer_valid = 0;
- return SW_OKAY;
-}
-
-sw_result sw_text_record_add_key_and_binary_value(
- sw_text_record self,
- sw_const_string key,
- sw_octets val,
- sw_uint32 len) {
-
- AvahiStringList *n;
-
- assert(self);
- assert(key);
- assert(len || !val);
-
- AVAHI_WARN_LINKAGE;
-
- if (!(n = avahi_string_list_add_pair_arbitrary(self->strlst, key, val, len)))
- return SW_E_UNKNOWN;
-
- self->strlst = n;
- self->buffer_valid = 0;
- return SW_OKAY;
-}
-
-static int rebuild(sw_text_record self) {
- assert(self);
-
- if (self->buffer_valid)
- return 0;
-
- self->buffer_size = avahi_string_list_serialize(self->strlst, NULL, 0);
-
- if (!(self->buffer = avahi_realloc(self->buffer, self->buffer_size + 1)))
- return -1;
-
- avahi_string_list_serialize(self->strlst, self->buffer, self->buffer_size);
- self->buffer_valid = 1;
-
- return 0;
-}
-
-sw_octets sw_text_record_bytes(sw_text_record self) {
- assert(self);
-
- AVAHI_WARN_LINKAGE;
-
- if (rebuild(self) < 0)
- return NULL;
-
- return self->buffer;
-}
-
-sw_uint32 sw_text_record_len(sw_text_record self) {
- assert(self);
-
- AVAHI_WARN_LINKAGE;
-
- if (rebuild(self) < 0)
- return (uint32_t) -1;
-
- return self->buffer_size;
-}
-
-struct _sw_text_record_iterator {
- AvahiStringList *strlst, *index;
-
-};
-
-sw_result sw_text_record_iterator_init(
- sw_text_record_iterator * self,
- sw_octets text_record,
- sw_uint32 text_record_len) {
-
- AvahiStringList *txt;
- assert(self);
-
- AVAHI_WARN_LINKAGE;
-
- if (!(*self = avahi_new(struct _sw_text_record_iterator, 1))) {
- *self = NULL;
- return SW_E_UNKNOWN;
- }
-
- if (avahi_string_list_parse(text_record, text_record_len, &txt) < 0) {
- avahi_free(*self);
- *self = NULL;
- return SW_E_UNKNOWN;
- }
-
- (*self)->index = (*self)->strlst = avahi_string_list_reverse(txt);
-
- return SW_OKAY;
-}
-
-sw_result sw_text_record_iterator_fina(sw_text_record_iterator self) {
- assert(self);
-
- AVAHI_WARN_LINKAGE;
-
- avahi_string_list_free(self->strlst);
- avahi_free(self);
-
- return SW_OKAY;
-}
-
-sw_result sw_text_record_iterator_next(
- sw_text_record_iterator self,
- char key[SW_TEXT_RECORD_MAX_LEN],
- sw_uint8 val[SW_TEXT_RECORD_MAX_LEN],
- sw_uint32 * val_len) {
-
- char *mkey = NULL, *mvalue = NULL;
- size_t msize = 0;
-
- assert(self);
- assert(key);
-
- AVAHI_WARN_LINKAGE;
-
- if (!self->index)
- return SW_E_UNKNOWN;
-
- if (avahi_string_list_get_pair(self->index, &mkey, &mvalue, &msize) < 0)
- return SW_E_UNKNOWN;
-
- strlcpy(key, mkey, SW_TEXT_RECORD_MAX_LEN);
- memset(val, 0, SW_TEXT_RECORD_MAX_LEN);
- memcpy(val, mvalue, msize);
- *val_len = msize;
-
- avahi_free(mkey);
- avahi_free(mvalue);
-
- self->index = self->index->next;
-
- return SW_OKAY;
-}
-
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