1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <sys/types.h>
3*4882a593Smuzhiyun #include <linux/kernel.h>
4*4882a593Smuzhiyun #include <stdio.h>
5*4882a593Smuzhiyun
vscnprintf(char * buf,size_t size,const char * fmt,va_list args)6*4882a593Smuzhiyun int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
7*4882a593Smuzhiyun {
8*4882a593Smuzhiyun int i = vsnprintf(buf, size, fmt, args);
9*4882a593Smuzhiyun ssize_t ssize = size;
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun return (i >= ssize) ? (ssize - 1) : i;
12*4882a593Smuzhiyun }
13*4882a593Smuzhiyun
scnprintf(char * buf,size_t size,const char * fmt,...)14*4882a593Smuzhiyun int scnprintf(char * buf, size_t size, const char * fmt, ...)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun ssize_t ssize = size;
17*4882a593Smuzhiyun va_list args;
18*4882a593Smuzhiyun int i;
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun va_start(args, fmt);
21*4882a593Smuzhiyun i = vsnprintf(buf, size, fmt, args);
22*4882a593Smuzhiyun va_end(args);
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun return (i >= ssize) ? (ssize - 1) : i;
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun
scnprintf_pad(char * buf,size_t size,const char * fmt,...)27*4882a593Smuzhiyun int scnprintf_pad(char * buf, size_t size, const char * fmt, ...)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun ssize_t ssize = size;
30*4882a593Smuzhiyun va_list args;
31*4882a593Smuzhiyun int i;
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun va_start(args, fmt);
34*4882a593Smuzhiyun i = vscnprintf(buf, size, fmt, args);
35*4882a593Smuzhiyun va_end(args);
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun if (i < (int) size) {
38*4882a593Smuzhiyun for (; i < (int) size; i++)
39*4882a593Smuzhiyun buf[i] = ' ';
40*4882a593Smuzhiyun buf[i] = 0x0;
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun return (i >= ssize) ? (ssize - 1) : i;
44*4882a593Smuzhiyun }
45