1 // SPDX-License-Identifier: GPL-2.0
2 #include <sys/types.h>
3 #include <linux/kernel.h>
4 #include <stdio.h>
5
vscnprintf(char * buf,size_t size,const char * fmt,va_list args)6 int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
7 {
8 int i = vsnprintf(buf, size, fmt, args);
9 ssize_t ssize = size;
10
11 return (i >= ssize) ? (ssize - 1) : i;
12 }
13
scnprintf(char * buf,size_t size,const char * fmt,...)14 int scnprintf(char * buf, size_t size, const char * fmt, ...)
15 {
16 ssize_t ssize = size;
17 va_list args;
18 int i;
19
20 va_start(args, fmt);
21 i = vsnprintf(buf, size, fmt, args);
22 va_end(args);
23
24 return (i >= ssize) ? (ssize - 1) : i;
25 }
26
scnprintf_pad(char * buf,size_t size,const char * fmt,...)27 int scnprintf_pad(char * buf, size_t size, const char * fmt, ...)
28 {
29 ssize_t ssize = size;
30 va_list args;
31 int i;
32
33 va_start(args, fmt);
34 i = vscnprintf(buf, size, fmt, args);
35 va_end(args);
36
37 if (i < (int) size) {
38 for (; i < (int) size; i++)
39 buf[i] = ' ';
40 buf[i] = 0x0;
41 }
42
43 return (i >= ssize) ? (ssize - 1) : i;
44 }
45