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[release] / src / liblimb / buffer.h / buffer_patrim_putv.c 

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/* This file is part of limb                           https://lila.oss/limb
 * Copyright (C) 2023 Olivier Brunel                          jjk@jjacky.com */
/* SPDX-License-Identifier: GPL-2.0-only */
#include <errno.h>
#include <string.h>
#include <limb/buffer.h>
#include <limb/patrim.h>
#include <limb/siovec.h>

ssize_t
buffer_patrim_putv(buffer *b, u64 id, const struct iovec v[], unsigned int n)
{
    if (!patrim_isblob(id)) return (errno = EINVAL, -1);

    char buf[18];
    struct iovec vv[1 + n];

    vv[0].iov_base = buf;
    vv[0].iov_len = patrim_put(buf, sizeof(buf), 0, id, siov_len(v, n));
    memcpy(vv + 1, v, sizeof(*v) * n);

    return buffer_putv(b, vv, 1 + n);
}