xdrshort.c

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#include <stdlib.h>
#include "xdr.h"


int db__send_short(int n)
{
    int stat = DB_OK;
    short h = (short)n;

    if (!db__send(&h, sizeof(h)))
        stat = DB_PROTOCOL_ERR;

    if (stat == DB_PROTOCOL_ERR)
        db_protocol_error();

    return stat;
}

int db__recv_short(short *n)
{
    int stat = DB_OK;

    if (!db__recv(n, sizeof(*n)))
        stat = DB_PROTOCOL_ERR;

    if (stat == DB_PROTOCOL_ERR)
        db_protocol_error();

    return stat;
}

int db__send_short_array(const short *x, int n)
{
    int stat = DB_OK;

    if (!db__send(&n, sizeof(n)))
        stat = DB_PROTOCOL_ERR;

    if (!db__send(x, n * sizeof(*x)))
        stat = DB_PROTOCOL_ERR;

    if (stat == DB_PROTOCOL_ERR)
        db_protocol_error();

    return stat;
}

/* returns an allocated array of ints */
/* caller is responsible for free() */
int db__recv_short_array(short **x, int *n)
{
    int stat = DB_OK;
    int count = 0;
    short *a = NULL;

    if (!db__recv(&count, sizeof(count)))
        stat = DB_PROTOCOL_ERR;

    *n = count;

    *x = a = (short *)db_calloc(count, sizeof(*a));

    if (!db__recv(a, count * sizeof(*a)))
        stat = DB_PROTOCOL_ERR;

    if (stat == DB_PROTOCOL_ERR)
        db_protocol_error();

    return stat;
}