C++ (Cpp) ALCOVE_OK Examples

Example #1

File: write.c Project: uselessd/alcove

/*
 * write(2)
 *
 */
    ssize_t
alcove_sys_write(alcove_state_t *ap, const char *arg, size_t len,
        char *reply, size_t rlen)
{
    int index = 0;
    int rindex = 0;

    int fd = -1;
    char buf[MAXMSGLEN] = {0};
    size_t buflen = sizeof(buf);
    int rv = 0;

    /* fd */
    if (alcove_decode_int(arg, len, &index, &fd) < 0)
        return -1;

    /* buf */
    if (alcove_decode_iolist(arg, len, &index, buf, &buflen) < 0)
        return -1;

    rv = write(fd, buf, buflen);

    if (rv < 0) {
        rindex = alcove_mk_errno(reply, rlen, errno);
    }
    else {
        ALCOVE_OK(reply, &rindex,
            alcove_encode_longlong(reply, rlen, &rindex, rv));
    }

    return rindex;
}

Example #2

File: getcwd.c Project: uselessd/alcove

/*
 * getcwd(3)
 *
 */
    ssize_t
alcove_sys_getcwd(alcove_state_t *ap, const char *arg, size_t len,
        char *reply, size_t rlen)
{
    int rindex = 0;
    char buf[PATH_MAX] = {0};

    if (getcwd(buf, sizeof(buf)) == NULL)
        return alcove_mk_errno(reply, rlen, errno);

    ALCOVE_OK(reply, &rindex,
            alcove_encode_binary(reply, rlen, &rindex, buf, strlen(buf)));

    return rindex;
}

Example #3

File: cap_fcntls_get.c Project: msantos/alcove

/*
 * cap_fcntls_get(2)
 *
 */
    ssize_t
alcove_sys_cap_fcntls_get(alcove_state_t *ap, const char *arg, size_t len,
        char *reply, size_t rlen)
{
#if defined(__FreeBSD__)
    int index = 0;
    int rindex = 0;
    int rv = 0;

    int fd = -1;
    uint32_t rights = 0;

    UNUSED(ap);

    /* fd */
    if (alcove_decode_int(arg, len, &index, &fd) < 0)
        return -1;

    rv = cap_fcntls_get(fd, &rights);

    if (rv < 0)
        return alcove_mk_errno(reply, rlen, errno);

    ALCOVE_OK(
        reply,
        rlen,
        &rindex,
        alcove_encode_ulong(reply, rlen, &rindex, rights)
    );

    return rindex;
#else
    UNUSED(ap);
    UNUSED(arg);
    UNUSED(len);

    return alcove_mk_atom(reply, rlen, "undef");
#endif
}