jer_encoder.c

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/*-
 * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
 * Redistribution and modifications are permitted subject to BSD license.
 */
#include <etsi_its_vam_ts_coding/asn_internal.h>
#include <stdio.h>
#include <errno.h>
 
/*
 * The JER encoder of any type. May be invoked by the application.
 */
asn_enc_rval_t
jer_encode(const asn_TYPE_descriptor_t *td, const void *sptr,
           enum jer_encoder_flags_e jer_flags,
           asn_app_consume_bytes_f *cb, void *app_key) {
    asn_enc_rval_t er = {0, 0, 0};
        asn_enc_rval_t tmper;
 
        if(!td || !sptr) goto cb_failed;
 
        tmper = td->op->jer_encoder(td, 0, sptr, 0, jer_flags, cb, app_key);
        if(tmper.encoded == -1) return tmper;
        er.encoded += tmper.encoded;
 
        ASN__ENCODED_OK(er);
cb_failed:
        ASN__ENCODE_FAILED;
}
 
/*
 * This is a helper function for jer_fprint, which directs all incoming data
 * into the provided file descriptor.
 */
static int
jer__print2fp(const void *buffer, size_t size, void *app_key) {
        FILE *stream = (FILE *)app_key;
 
        if(fwrite(buffer, 1, size, stream) != size)
                return -1;
 
        return 0;
}
 
int
jer_fprint(FILE *stream, const asn_TYPE_descriptor_t *td, const void *sptr) {
        asn_enc_rval_t er = {0,0,0};
 
        if(!stream) stream = stdout;
        if(!td || !sptr)
                return -1;
 
        er = jer_encode(td, sptr, JER_F, jer__print2fp, stream);
        if(er.encoded == -1)
                return -1;
 
        return fflush(stream);
}