1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * Copyright 2023 Red Hat
 4 */
 5
 6#include "string-utils.h"
 7
 8char *vdo_append_to_buffer(char *buffer, char *buf_end, const char *fmt, ...)
 9{
10	va_list args;
11	size_t n;
12
13	va_start(args, fmt);
14	n = vsnprintf(buffer, buf_end - buffer, fmt, args);
15	if (n >= (size_t) (buf_end - buffer))
16		buffer = buf_end;
17	else
18		buffer += n;
19	va_end(args);
20
21	return buffer;
22}