/* This file is part of the YAZ toolkit.
 * Copyright (C) Index Data
 * See the file LICENSE for details.
 */

/**
 * \file atoin.c
 * \brief Implements atoi_n function.
 */

#if HAVE_CONFIG_H
#include <config.h>
#endif

#include <string.h>
#include <yaz/marcdisp.h>
#include <yaz/yaz-iconv.h>

int atoi_n(const char *buf, int len)
{
    int val = 0;

    while (--len >= 0)
    {
        if (yaz_isdigit(*buf))
            val = val*10 + (*buf - '0');
        buf++;
    }
    return val;
}

int atoi_n_check(const char *buf, int size, int *val)
{
    int i;
    for (i = 0; i < size; i++)
        if (!yaz_isdigit(buf[i]))
            return 0;
    *val = atoi_n(buf, size);
    return 1;
}

/*
 * Local variables:
 * c-basic-offset: 4
 * c-file-style: "Stroustrup"
 * indent-tabs-mode: nil
 * End:
 * vim: shiftwidth=4 tabstop=8 expandtab
 */