1/*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source.  A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12/*
13 * Copyright 2017 RackTop Systems.
14 */
15
16#include <sys/kmem.h>
17#include <sys/varargs.h>
18#include <sys/cmn_err.h>
19
20/*
21 * Do not change the length of the returned string; it must be freed
22 * with strfree().
23 */
24char *
25kmem_asprintf(const char *fmt, ...)
26{
27	int size;
28	va_list adx;
29	char *buf;
30
31	va_start(adx, fmt);
32	size = vsnprintf(NULL, 0, fmt, adx) + 1;
33	va_end(adx);
34
35	buf = kmem_alloc(size, KM_SLEEP);
36
37	va_start(adx, fmt);
38	size = vsnprintf(buf, size, fmt, adx);
39	va_end(adx);
40
41	return (buf);
42}
43