odr_enum.c

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/* This file is part of the YAZ toolkit.
 * Copyright (C) Index Data
 * See the file LICENSE for details.
 */
#if HAVE_CONFIG_H
#include <config.h>
#endif
 
#include "odr-priv.h"
 
/*
 * Top level enum en/decoder.
 * Returns 1 on success, 0 on error.
 */
int odr_enum(ODR o, Odr_int **p, int opt, const char *name)
{
    int res, cons = 0;
 
    if (o->error)
        return 0;
    if (o->op->t_class < 0)
    {
        o->op->t_class = ODR_UNIVERSAL;
        o->op->t_tag = ODR_ENUM;
    }
    res = ber_tag(o, p, o->op->t_class, o->op->t_tag, &cons, opt, name);
    if (res < 0)
        return 0;
    if (!res)
        return odr_missing(o, opt, name);
    if (o->direction == ODR_PRINT)
    {
        odr_prname(o, name);
        odr_printf(o, "%d\n", **p);
        return 1;
    }
    if (cons)
    {
        odr_seterror(o, OPROTO, 54);
        return 0;
    }
    if (o->direction == ODR_DECODE)
        *p = (Odr_int *)odr_malloc(o, sizeof(**p));
    return ber_integer(o, *p);
}
/*
 * Local variables:
 * c-basic-offset: 4
 * c-file-style: "Stroustrup"
 * indent-tabs-mode: nil
 * End:
 * vim: shiftwidth=4 tabstop=8 expandtab
 */