// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2023 Red Hat
 */

#include "string-utils.h"

char *vdo_append_to_buffer(char *buffer, char *buf_end, const char *fmt, ...)
{
        va_list args;
        size_t n;

        va_start(args, fmt);
        n = vsnprintf(buffer, buf_end - buffer, fmt, args);
        if (n >= (size_t) (buf_end - buffer))
                buffer = buf_end;
        else
                buffer += n;
        va_end(args);

        return buffer;
}