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/*++
/* NAME
/* recipient_list 3
/* SUMMARY
/* in-core recipient structures
/* SYNOPSIS
/* #include <recipient_list.h>
/*
/* typedef struct {
/* .in +4
/* long offset;
/* char *orig_addr;
/* char *address;
/* .in -4
/* } RECIPIENT;
/*
/* typedef struct {
/* .in +4
/* RECIPIENT *info;
/* private members...
/* .in -4
/* } RECIPIENT_LIST;
/*
/* void recipient_list_init(list)
/* RECIPIENT_LIST *list;
/*
/* void recipient_list_add(list, offset, orig_rcpt, recipient)
/* RECIPIENT_LIST *list;
/* long offset;
/* const char *orig_rcpt;
/* const char *recipient;
/*
/* void recipient_list_free(list)
/* RECIPIENT_LIST *list;
/* DESCRIPTION
/* This module maintains lists of recipient structures. Each
/* recipient is characterized by a destination address and
/* by the queue file offset of its delivery status record.
/*
/* recipient_list_init() creates an empty recipient structure list.
/* The list argument is initialized such that it can be given to
/* recipient_list_add() and to recipient_list_free().
/*
/* recipient_list_add() adds a recipient to the specified list.
/* The recipient address is copied with mystrdup().
/*
/* recipient_list_free() releases memory for the specified list
/* of recipient structures.
/*
/* Arguments:
/* .IP list
/* Recipient list initialized by recipient_list_init().
/* .IP offset
/* Queue file offset of a recipient delivery status record.
/* .IP recipient
/* Recipient destination address.
/* SEE ALSO
/* recipient_list(3h) data structure
/* DIAGNOSTICS
/* Fatal errors: memory allocation.
/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* IBM T.J. Watson Research
/* P.O. Box 704
/* Yorktown Heights, NY 10598, USA
/*--*/
/* System library. */
#include <sys_defs.h>
/* Utility library. */
#include <mymalloc.h>
/* Global library. */
#include "recipient_list.h"
/* recipient_list_init - initialize */
void recipient_list_init(RECIPIENT_LIST *list)
{
list->avail = 1;
list->len = 0;
list->info = (RECIPIENT *) mymalloc(sizeof(RECIPIENT));
}
/* recipient_list_add - add rcpt to list */
void recipient_list_add(RECIPIENT_LIST *list, long offset,
const char *orig_rcpt, const char *rcpt)
{
if (list->len >= list->avail) {
list->avail *= 2;
list->info = (RECIPIENT *)
myrealloc((char *) list->info, list->avail * sizeof(RECIPIENT));
}
list->info[list->len].orig_addr = mystrdup(orig_rcpt);
list->info[list->len].address = mystrdup(rcpt);
list->info[list->len].offset = offset;
list->len++;
}
/* recipient_list_free - release memory for in-core recipient structure */
void recipient_list_free(RECIPIENT_LIST *list)
{
RECIPIENT *rcpt;
for (rcpt = list->info; rcpt < list->info + list->len; rcpt++) {
myfree(rcpt->orig_addr);
myfree(rcpt->address);
}
myfree((char *) list->info);
}
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