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-rw-r--r--libetpan/src/low-level/imf/mailimf_types.c868
1 files changed, 868 insertions, 0 deletions
diff --git a/libetpan/src/low-level/imf/mailimf_types.c b/libetpan/src/low-level/imf/mailimf_types.c
new file mode 100644
index 0000000..a6e4db9
--- a/dev/null
+++ b/libetpan/src/low-level/imf/mailimf_types.c
@@ -0,0 +1,868 @@
+/*
+ * libEtPan! -- a mail stuff library
+ *
+ * Copyright (C) 2001, 2005 - DINH Viet Hoa
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the libEtPan! project nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * $Id$
+ */
+
+#include "mailimf_types.h"
+#include "mmapstring.h"
+#include <stdlib.h>
+
+void mailimf_atom_free(char * atom)
+{
+ free(atom);
+}
+
+void mailimf_dot_atom_free(char * dot_atom)
+{
+ free(dot_atom);
+}
+
+void mailimf_dot_atom_text_free(char * dot_atom)
+{
+ free(dot_atom);
+}
+
+void mailimf_quoted_string_free(char * quoted_string)
+{
+ free(quoted_string);
+}
+
+void mailimf_word_free(char * word)
+{
+ free(word);
+}
+
+void mailimf_phrase_free(char * phrase)
+{
+ free(phrase);
+}
+
+void mailimf_unstructured_free(char * unstructured)
+{
+ free(unstructured);
+}
+
+
+struct mailimf_date_time *
+mailimf_date_time_new(int dt_day, int dt_month, int dt_year,
+ int dt_hour, int dt_min, int dt_sec, int dt_zone)
+{
+ struct mailimf_date_time * date_time;
+
+ date_time = malloc(sizeof(* date_time));
+ if (date_time == NULL)
+ return NULL;
+
+ date_time->dt_day = dt_day;
+ date_time->dt_month = dt_month;
+ date_time->dt_year = dt_year;
+ date_time->dt_hour = dt_hour;
+ date_time->dt_min = dt_min;
+ date_time->dt_sec = dt_sec;
+ date_time->dt_zone = dt_zone;
+
+ return date_time;
+}
+
+
+void mailimf_date_time_free(struct mailimf_date_time * date_time)
+{
+ free(date_time);
+}
+
+
+
+
+struct mailimf_address *
+mailimf_address_new(int ad_type, struct mailimf_mailbox * ad_mailbox,
+ struct mailimf_group * ad_group)
+{
+ struct mailimf_address * address;
+
+ address = malloc(sizeof(* address));
+ if (address == NULL)
+ return NULL;
+
+ address->ad_type = ad_type;
+ switch (ad_type) {
+ case MAILIMF_ADDRESS_MAILBOX:
+ address->ad_data.ad_mailbox = ad_mailbox;
+ break;
+ case MAILIMF_ADDRESS_GROUP:
+ address->ad_data.ad_group = ad_group;
+ break;
+ }
+
+ return address;
+}
+
+void mailimf_address_free(struct mailimf_address * address)
+{
+ switch (address->ad_type) {
+ case MAILIMF_ADDRESS_MAILBOX:
+ mailimf_mailbox_free(address->ad_data.ad_mailbox);
+ break;
+ case MAILIMF_ADDRESS_GROUP:
+ mailimf_group_free(address->ad_data.ad_group);
+ }
+ free(address);
+}
+
+struct mailimf_mailbox *
+mailimf_mailbox_new(char * mb_display_name, char * mb_addr_spec)
+{
+ struct mailimf_mailbox * mb;
+
+ mb = malloc(sizeof(* mb));
+ if (mb == NULL)
+ return NULL;
+
+ mb->mb_display_name = mb_display_name;
+ mb->mb_addr_spec = mb_addr_spec;
+
+ return mb;
+}
+
+void mailimf_mailbox_free(struct mailimf_mailbox * mailbox)
+{
+ if (mailbox->mb_display_name != NULL)
+ mailimf_display_name_free(mailbox->mb_display_name);
+ mailimf_addr_spec_free(mailbox->mb_addr_spec);
+ free(mailbox);
+}
+
+
+void mailimf_angle_addr_free(char * angle_addr)
+{
+ free(angle_addr);
+}
+
+
+struct mailimf_group *
+mailimf_group_new(char * grp_display_name,
+ struct mailimf_mailbox_list * grp_mb_list)
+{
+ struct mailimf_group * group;
+
+ group = malloc(sizeof(* group));
+ if (group == NULL)
+ return NULL;
+
+ group->grp_display_name = grp_display_name;
+ group->grp_mb_list = grp_mb_list;
+
+ return group;
+}
+
+void mailimf_group_free(struct mailimf_group * group)
+{
+ if (group->grp_mb_list)
+ mailimf_mailbox_list_free(group->grp_mb_list);
+ mailimf_display_name_free(group->grp_display_name);
+ free(group);
+}
+
+void mailimf_display_name_free(char * display_name)
+{
+ mailimf_phrase_free(display_name);
+}
+
+
+struct mailimf_mailbox_list *
+mailimf_mailbox_list_new(clist * mb_list)
+{
+ struct mailimf_mailbox_list * mbl;
+
+ mbl = malloc(sizeof(* mbl));
+ if (mbl == NULL)
+ return NULL;
+
+ mbl->mb_list = mb_list;
+
+ return mbl;
+}
+
+void mailimf_mailbox_list_free(struct mailimf_mailbox_list * mb_list)
+{
+ clist_foreach(mb_list->mb_list, (clist_func) mailimf_mailbox_free, NULL);
+ clist_free(mb_list->mb_list);
+ free(mb_list);
+}
+
+
+
+struct mailimf_address_list *
+mailimf_address_list_new(clist * ad_list)
+{
+ struct mailimf_address_list * addr_list;
+
+ addr_list = malloc(sizeof(* addr_list));
+ if (addr_list == NULL)
+ return NULL;
+
+ addr_list->ad_list = ad_list;
+
+ return addr_list;
+}
+
+void mailimf_address_list_free(struct mailimf_address_list * addr_list)
+{
+ clist_foreach(addr_list->ad_list, (clist_func) mailimf_address_free, NULL);
+ clist_free(addr_list->ad_list);
+ free(addr_list);
+}
+
+
+void mailimf_addr_spec_free(char * addr_spec)
+{
+ free(addr_spec);
+}
+
+void mailimf_local_part_free(char * local_part)
+{
+ free(local_part);
+}
+
+void mailimf_domain_free(char * domain)
+{
+ free(domain);
+}
+
+void mailimf_domain_literal_free(char * domain_literal)
+{
+ free(domain_literal);
+}
+
+
+
+struct mailimf_message *
+mailimf_message_new(struct mailimf_fields * msg_fields,
+ struct mailimf_body * msg_body)
+{
+ struct mailimf_message * message;
+
+ message = malloc(sizeof(* message));
+ if (message == NULL)
+ return NULL;
+
+ message->msg_fields = msg_fields;
+ message->msg_body = msg_body;
+
+ return message;
+}
+
+void mailimf_message_free(struct mailimf_message * message)
+{
+ mailimf_body_free(message->msg_body);
+ mailimf_fields_free(message->msg_fields);
+ free(message);
+}
+
+
+struct mailimf_body * mailimf_body_new(const char * bd_text, size_t bd_size)
+{
+ struct mailimf_body * body;
+
+ body = malloc(sizeof(* body));
+ if (body == NULL)
+ return NULL;
+ body->bd_text = bd_text;
+ body->bd_size = bd_size;
+
+ return body;
+}
+
+void mailimf_body_free(struct mailimf_body * body)
+{
+ free(body);
+}
+
+
+
+struct mailimf_field *
+mailimf_field_new(int fld_type,
+ struct mailimf_return * fld_return_path,
+ struct mailimf_orig_date * fld_resent_date,
+ struct mailimf_from * fld_resent_from,
+ struct mailimf_sender * fld_resent_sender,
+ struct mailimf_to * fld_resent_to,
+ struct mailimf_cc * fld_resent_cc,
+ struct mailimf_bcc * fld_resent_bcc,
+ struct mailimf_message_id * fld_resent_msg_id,
+ struct mailimf_orig_date * fld_orig_date,
+ struct mailimf_from * fld_from,
+ struct mailimf_sender * fld_sender,
+ struct mailimf_reply_to * fld_reply_to,
+ struct mailimf_to * fld_to,
+ struct mailimf_cc * fld_cc,
+ struct mailimf_bcc * fld_bcc,
+ struct mailimf_message_id * fld_message_id,
+ struct mailimf_in_reply_to * fld_in_reply_to,
+ struct mailimf_references * fld_references,
+ struct mailimf_subject * fld_subject,
+ struct mailimf_comments * fld_comments,
+ struct mailimf_keywords * fld_keywords,
+ struct mailimf_optional_field * fld_optional_field)
+{
+ struct mailimf_field * field;
+
+ field = malloc(sizeof(* field));
+ if (field == NULL)
+ return NULL;
+
+ field->fld_type = fld_type;
+ switch (fld_type) {
+ case MAILIMF_FIELD_RETURN_PATH:
+ field->fld_data.fld_return_path = fld_return_path;
+ break;
+ case MAILIMF_FIELD_RESENT_DATE:
+ field->fld_data.fld_resent_date = fld_resent_date;
+ break;
+ case MAILIMF_FIELD_RESENT_FROM:
+ field->fld_data.fld_resent_from = fld_resent_from;
+ break;
+ case MAILIMF_FIELD_RESENT_SENDER:
+ field->fld_data.fld_resent_sender = fld_resent_sender;
+ break;
+ case MAILIMF_FIELD_RESENT_TO:
+ field->fld_data.fld_resent_to = fld_resent_to;
+ break;
+ case MAILIMF_FIELD_RESENT_CC:
+ field->fld_data.fld_resent_cc = fld_resent_cc;
+ break;
+ case MAILIMF_FIELD_RESENT_BCC:
+ field->fld_data.fld_resent_bcc = fld_resent_bcc;
+ break;
+ case MAILIMF_FIELD_RESENT_MSG_ID:
+ field->fld_data.fld_resent_msg_id = fld_resent_msg_id;
+ break;
+ case MAILIMF_FIELD_ORIG_DATE:
+ field->fld_data.fld_orig_date = fld_orig_date;
+ break;
+ case MAILIMF_FIELD_FROM:
+ field->fld_data.fld_from = fld_from;
+ break;
+ case MAILIMF_FIELD_SENDER:
+ field->fld_data.fld_sender = fld_sender;
+ break;
+ case MAILIMF_FIELD_REPLY_TO:
+ field->fld_data.fld_reply_to = fld_reply_to;
+ break;
+ case MAILIMF_FIELD_TO:
+ field->fld_data.fld_to = fld_to;
+ break;
+ case MAILIMF_FIELD_CC:
+ field->fld_data.fld_cc = fld_cc;
+ break;
+ case MAILIMF_FIELD_BCC:
+ field->fld_data.fld_bcc = fld_bcc;
+ break;
+ case MAILIMF_FIELD_MESSAGE_ID:
+ field->fld_data.fld_message_id = fld_message_id;
+ break;
+ case MAILIMF_FIELD_IN_REPLY_TO:
+ field->fld_data.fld_in_reply_to = fld_in_reply_to;
+ break;
+ case MAILIMF_FIELD_REFERENCES:
+ field->fld_data.fld_references = fld_references;
+ break;
+ case MAILIMF_FIELD_SUBJECT:
+ field->fld_data.fld_subject = fld_subject;
+ break;
+ case MAILIMF_FIELD_COMMENTS:
+ field->fld_data.fld_comments = fld_comments;
+ break;
+ case MAILIMF_FIELD_KEYWORDS:
+ field->fld_data.fld_keywords = fld_keywords;
+ break;
+ case MAILIMF_FIELD_OPTIONAL_FIELD:
+ field->fld_data.fld_optional_field = fld_optional_field;
+ break;
+ }
+
+ return field;
+}
+
+void mailimf_field_free(struct mailimf_field * field)
+{
+ switch (field->fld_type) {
+ case MAILIMF_FIELD_RETURN_PATH:
+ mailimf_return_free(field->fld_data.fld_return_path);
+ break;
+ case MAILIMF_FIELD_RESENT_DATE:
+ mailimf_orig_date_free(field->fld_data.fld_resent_date);
+ break;
+ case MAILIMF_FIELD_RESENT_FROM:
+ mailimf_from_free(field->fld_data.fld_resent_from);
+ break;
+ case MAILIMF_FIELD_RESENT_SENDER:
+ mailimf_sender_free(field->fld_data.fld_resent_sender);
+ break;
+ case MAILIMF_FIELD_RESENT_TO:
+ mailimf_to_free(field->fld_data.fld_resent_to);
+ break;
+ case MAILIMF_FIELD_RESENT_CC:
+ mailimf_cc_free(field->fld_data.fld_resent_cc);
+ break;
+ case MAILIMF_FIELD_RESENT_BCC:
+ mailimf_bcc_free(field->fld_data.fld_resent_bcc);
+ break;
+ case MAILIMF_FIELD_RESENT_MSG_ID:
+ mailimf_message_id_free(field->fld_data.fld_resent_msg_id);
+ break;
+ case MAILIMF_FIELD_ORIG_DATE:
+ mailimf_orig_date_free(field->fld_data.fld_orig_date);
+ break;
+ case MAILIMF_FIELD_FROM:
+ mailimf_from_free(field->fld_data.fld_from);
+ break;
+ case MAILIMF_FIELD_SENDER:
+ mailimf_sender_free(field->fld_data.fld_sender);
+ break;
+ case MAILIMF_FIELD_REPLY_TO:
+ mailimf_reply_to_free(field->fld_data.fld_reply_to);
+ break;
+ case MAILIMF_FIELD_TO:
+ mailimf_to_free(field->fld_data.fld_to);
+ break;
+ case MAILIMF_FIELD_CC:
+ mailimf_cc_free(field->fld_data.fld_cc);
+ break;
+ case MAILIMF_FIELD_BCC:
+ mailimf_bcc_free(field->fld_data.fld_bcc);
+ break;
+ case MAILIMF_FIELD_MESSAGE_ID:
+ mailimf_message_id_free(field->fld_data.fld_message_id);
+ break;
+ case MAILIMF_FIELD_IN_REPLY_TO:
+ mailimf_in_reply_to_free(field->fld_data.fld_in_reply_to);
+ break;
+ case MAILIMF_FIELD_REFERENCES:
+ mailimf_references_free(field->fld_data.fld_references);
+ break;
+ case MAILIMF_FIELD_SUBJECT:
+ mailimf_subject_free(field->fld_data.fld_subject);
+ break;
+ case MAILIMF_FIELD_COMMENTS:
+ mailimf_comments_free(field->fld_data.fld_comments);
+ break;
+ case MAILIMF_FIELD_KEYWORDS:
+ mailimf_keywords_free(field->fld_data.fld_keywords);
+ break;
+ case MAILIMF_FIELD_OPTIONAL_FIELD:
+ mailimf_optional_field_free(field->fld_data.fld_optional_field);
+ break;
+ }
+
+ free(field);
+}
+
+struct mailimf_fields * mailimf_fields_new(clist * fld_list)
+{
+ struct mailimf_fields * fields;
+
+ fields = malloc(sizeof(* fields));
+ if (fields == NULL)
+ return NULL;
+
+ fields->fld_list = fld_list;
+
+ return fields;
+}
+
+void mailimf_fields_free(struct mailimf_fields * fields)
+{
+ if (fields->fld_list != NULL) {
+ clist_foreach(fields->fld_list, (clist_func) mailimf_field_free, NULL);
+ clist_free(fields->fld_list);
+ }
+ free(fields);
+}
+
+
+struct mailimf_orig_date * mailimf_orig_date_new(struct mailimf_date_time *
+ dt_date_time)
+{
+ struct mailimf_orig_date * orig_date;
+
+ orig_date = malloc(sizeof(* orig_date));
+ if (orig_date == NULL)
+ return NULL;
+
+ orig_date->dt_date_time = dt_date_time;
+
+ return orig_date;
+}
+
+void mailimf_orig_date_free(struct mailimf_orig_date * orig_date)
+{
+ if (orig_date->dt_date_time != NULL)
+ mailimf_date_time_free(orig_date->dt_date_time);
+ free(orig_date);
+}
+
+struct mailimf_from *
+mailimf_from_new(struct mailimf_mailbox_list * frm_mb_list)
+{
+ struct mailimf_from * from;
+
+ from = malloc(sizeof(* from));
+ if (from == NULL)
+ return NULL;
+
+ from->frm_mb_list = frm_mb_list;
+
+ return from;
+}
+
+void mailimf_from_free(struct mailimf_from * from)
+{
+ if (from->frm_mb_list != NULL)
+ mailimf_mailbox_list_free(from->frm_mb_list);
+ free(from);
+}
+
+struct mailimf_sender * mailimf_sender_new(struct mailimf_mailbox * snd_mb)
+{
+ struct mailimf_sender * sender;
+
+ sender = malloc(sizeof(* sender));
+ if (sender == NULL)
+ return NULL;
+
+ sender->snd_mb = snd_mb;
+
+ return sender;
+}
+
+void mailimf_sender_free(struct mailimf_sender * sender)
+{
+ if (sender->snd_mb != NULL)
+ mailimf_mailbox_free(sender->snd_mb);
+ free(sender);
+}
+
+struct mailimf_reply_to *
+mailimf_reply_to_new(struct mailimf_address_list * rt_addr_list)
+{
+ struct mailimf_reply_to * reply_to;
+
+ reply_to = malloc(sizeof(* reply_to));
+ if (reply_to == NULL)
+ return NULL;
+
+ reply_to->rt_addr_list = rt_addr_list;
+
+ return reply_to;
+}
+
+void mailimf_reply_to_free(struct mailimf_reply_to * reply_to)
+{
+ if (reply_to->rt_addr_list != NULL)
+ mailimf_address_list_free(reply_to->rt_addr_list);
+ free(reply_to);
+}
+
+struct mailimf_to * mailimf_to_new(struct mailimf_address_list * to_addr_list)
+{
+ struct mailimf_to * to;
+
+ to = malloc(sizeof(* to));
+ if (to == NULL)
+ return NULL;
+
+ to->to_addr_list = to_addr_list;
+
+ return to;
+}
+
+void mailimf_to_free(struct mailimf_to * to)
+{
+ if (to->to_addr_list != NULL)
+ mailimf_address_list_free(to->to_addr_list);
+ free(to);
+}
+
+struct mailimf_cc * mailimf_cc_new(struct mailimf_address_list * cc_addr_list)
+{
+ struct mailimf_cc * cc;
+
+ cc = malloc(sizeof(* cc));
+ if (cc == NULL)
+ return NULL;
+
+ cc->cc_addr_list = cc_addr_list;
+
+ return cc;
+}
+
+void mailimf_cc_free(struct mailimf_cc * cc)
+{
+ if (cc->cc_addr_list != NULL)
+ mailimf_address_list_free(cc->cc_addr_list);
+ free(cc);
+}
+
+struct mailimf_bcc *
+mailimf_bcc_new(struct mailimf_address_list * bcc_addr_list)
+{
+ struct mailimf_bcc * bcc;
+
+ bcc = malloc(sizeof(* bcc));
+ if (bcc == NULL)
+ return NULL;
+
+ bcc->bcc_addr_list = bcc_addr_list;
+
+ return bcc;
+}
+
+void mailimf_bcc_free(struct mailimf_bcc * bcc)
+{
+ if (bcc->bcc_addr_list != NULL)
+ mailimf_address_list_free(bcc->bcc_addr_list);
+ free(bcc);
+}
+
+struct mailimf_message_id * mailimf_message_id_new(char * mid_value)
+{
+ struct mailimf_message_id * message_id;
+
+ message_id = malloc(sizeof(* message_id));
+ if (message_id == NULL)
+ return NULL;
+
+ message_id->mid_value = mid_value;
+
+ return message_id;
+}
+
+void mailimf_message_id_free(struct mailimf_message_id * message_id)
+{
+ if (message_id->mid_value != NULL)
+ mailimf_msg_id_free(message_id->mid_value);
+ free(message_id);
+}
+
+struct mailimf_in_reply_to * mailimf_in_reply_to_new(clist * mid_list)
+{
+ struct mailimf_in_reply_to * in_reply_to;
+
+ in_reply_to = malloc(sizeof(* in_reply_to));
+ if (in_reply_to == NULL)
+ return NULL;
+
+ in_reply_to->mid_list = mid_list;
+
+ return in_reply_to;
+}
+
+void mailimf_in_reply_to_free(struct mailimf_in_reply_to * in_reply_to)
+{
+ clist_foreach(in_reply_to->mid_list,
+ (clist_func) mailimf_msg_id_free, NULL);
+ clist_free(in_reply_to->mid_list);
+ free(in_reply_to);
+}
+
+struct mailimf_references * mailimf_references_new(clist * mid_list)
+{
+ struct mailimf_references * ref;
+
+ ref = malloc(sizeof(* ref));
+ if (ref == NULL)
+ return NULL;
+
+ ref->mid_list = mid_list;
+
+ return ref;
+}
+
+void mailimf_references_free(struct mailimf_references * references)
+{
+ clist_foreach(references->mid_list,
+ (clist_func) mailimf_msg_id_free, NULL);
+ clist_free(references->mid_list);
+ free(references);
+}
+
+void mailimf_msg_id_free(char * msg_id)
+{
+ free(msg_id);
+}
+
+void mailimf_id_left_free(char * id_left)
+{
+ free(id_left);
+}
+
+void mailimf_id_right_free(char * id_right)
+{
+ free(id_right);
+}
+
+void mailimf_no_fold_quote_free(char * nfq)
+{
+ free(nfq);
+}
+
+void mailimf_no_fold_literal_free(char * nfl)
+{
+ free(nfl);
+}
+
+struct mailimf_subject * mailimf_subject_new(char * sbj_value)
+{
+ struct mailimf_subject * subject;
+
+ subject = malloc(sizeof(* subject));
+ if (subject == NULL)
+ return NULL;
+
+ subject->sbj_value = sbj_value;
+
+ return subject;
+}
+
+void mailimf_subject_free(struct mailimf_subject * subject)
+{
+ mailimf_unstructured_free(subject->sbj_value);
+ free(subject);
+}
+
+struct mailimf_comments * mailimf_comments_new(char * cm_value)
+{
+ struct mailimf_comments * comments;
+
+ comments = malloc(sizeof(* comments));
+ if (comments == NULL)
+ return NULL;
+
+ comments->cm_value = cm_value;
+
+ return comments;
+}
+
+void mailimf_comments_free(struct mailimf_comments * comments)
+{
+ mailimf_unstructured_free(comments->cm_value);
+ free(comments);
+}
+
+struct mailimf_keywords * mailimf_keywords_new(clist * kw_list)
+{
+ struct mailimf_keywords * keywords;
+
+ keywords = malloc(sizeof(* keywords));
+ if (keywords == NULL)
+ return NULL;
+
+ keywords->kw_list = kw_list;
+
+ return keywords;
+}
+
+void mailimf_keywords_free(struct mailimf_keywords * keywords)
+{
+ clist_foreach(keywords->kw_list, (clist_func) mailimf_phrase_free, NULL);
+ clist_free(keywords->kw_list);
+ free(keywords);
+}
+
+struct mailimf_return *
+mailimf_return_new(struct mailimf_path * ret_path)
+{
+ struct mailimf_return * return_path;
+
+ return_path = malloc(sizeof(* return_path));
+ if (return_path == NULL)
+ return NULL;
+
+ return_path->ret_path = ret_path;
+
+ return return_path;
+}
+
+void mailimf_return_free(struct mailimf_return * return_path)
+{
+ mailimf_path_free(return_path->ret_path);
+ free(return_path);
+}
+
+
+struct mailimf_path * mailimf_path_new(char * pt_addr_spec)
+{
+ struct mailimf_path * path;
+
+ path = malloc(sizeof(* path));
+ if (path == NULL)
+ return NULL;
+
+ path->pt_addr_spec = pt_addr_spec;
+
+ return path;
+}
+
+void mailimf_path_free(struct mailimf_path * path)
+{
+ if (path->pt_addr_spec != NULL)
+ mailimf_addr_spec_free(path->pt_addr_spec);
+ free(path);
+}
+
+struct mailimf_optional_field *
+mailimf_optional_field_new(char * fld_name, char * fld_value)
+{
+ struct mailimf_optional_field * opt_field;
+
+ opt_field = malloc(sizeof(* opt_field));
+ if (opt_field == NULL)
+ return NULL;
+
+ opt_field->fld_name = fld_name;
+ opt_field->fld_value = fld_value;
+
+ return opt_field;
+}
+
+void mailimf_optional_field_free(struct mailimf_optional_field * opt_field)
+{
+ mailimf_field_name_free(opt_field->fld_name);
+ mailimf_unstructured_free(opt_field->fld_value);
+ free(opt_field);
+}
+
+void mailimf_field_name_free(char * field_name)
+{
+ free(field_name);
+}