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/*++
/* NAME
/* dsb_scan
/* SUMMARY
/* read DSN_BUF from stream
/* SYNOPSIS
/* #include <dsb_scan.h>
/*
/* int dsb_scan(scan_fn, stream, flags, ptr)
/* ATTR_SCAN_COMMON_FN scan_fn;
/* VSTREAM *stream;
/* int flags;
/* void *ptr;
/* DESCRIPTION
/* dsb_scan() reads a DSN_BUF from the named stream using the
/* specified attribute scan routine. dsb_scan() is meant
/* to be passed as a call-back to attr_scan(), thusly:
/*
/* ... RECV_ATTR_FUNC(dsb_scan, (void *) &dsbuf), ...
/* DIAGNOSTICS
/* Fatal: out of memory.
/* 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
/*
/* Wietse Venema
/* Google, Inc.
/* 111 8th Avenue
/* New York, NY 10011, USA
/*--*/
/* System library. */
#include <sys_defs.h>
/* Utility library. */
#include <attr.h>
/* Global library. */
#include <mail_proto.h>
#include <dsb_scan.h>
/* dsb_scan - read DSN_BUF from stream */
int dsb_scan(ATTR_SCAN_COMMON_FN scan_fn, VSTREAM *fp,
int flags, void *ptr)
{
DSN_BUF *dsb = (DSN_BUF *) ptr;
int ret;
/*
* The attribute order is determined by backwards compatibility. It can
* be sanitized after all the ad-hoc DSN read/write code is replaced.
*/
ret = scan_fn(fp, flags | ATTR_FLAG_MORE,
RECV_ATTR_STR(MAIL_ATTR_DSN_STATUS, dsb->status),
RECV_ATTR_STR(MAIL_ATTR_DSN_DTYPE, dsb->dtype),
RECV_ATTR_STR(MAIL_ATTR_DSN_DTEXT, dsb->dtext),
RECV_ATTR_STR(MAIL_ATTR_DSN_MTYPE, dsb->mtype),
RECV_ATTR_STR(MAIL_ATTR_DSN_MNAME, dsb->mname),
RECV_ATTR_STR(MAIL_ATTR_DSN_ACTION, dsb->action),
RECV_ATTR_STR(MAIL_ATTR_WHY, dsb->reason),
ATTR_TYPE_END);
return (ret == 7 ? 1 : -1);
}
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