xref: /illumos-gate/usr/src/uts/common/io/qede/qede_misc.c (revision 9b9d39d2a32ff806d2431dbcc50968ef1e6d46b2)
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 (c) 2017, Joyent, Inc.
14  */
15 
16 /*
17  * Misc. support routines
18  */
19 
20 #include <sys/cmn_err.h>
21 #include <sys/ddi.h>
22 #include <sys/sunddi.h>
23 
24 /*
25  * We need to emulate sprintf. Unfortunately illumos sprintf does not return the
26  * number of bytes written, only a pointer to the string. Therefore we need this
27  * wrapper.
28  */
29 size_t
30 qede_sprintf(char *s, const char *fmt, ...)
31 {
32 	size_t r;
33 	va_list args;
34 
35 	va_start(args, fmt);
36 	r = vsnprintf(s, SIZE_MAX, fmt, args);
37 	va_end(args);
38 
39 	return (r);
40 }
41