162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci#include <sys/types.h> 362306a36Sopenharmony_ci#include <linux/kernel.h> 462306a36Sopenharmony_ci#include <stdio.h> 562306a36Sopenharmony_ci 662306a36Sopenharmony_ciint vscnprintf(char *buf, size_t size, const char *fmt, va_list args) 762306a36Sopenharmony_ci{ 862306a36Sopenharmony_ci int i = vsnprintf(buf, size, fmt, args); 962306a36Sopenharmony_ci ssize_t ssize = size; 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci return (i >= ssize) ? (ssize - 1) : i; 1262306a36Sopenharmony_ci} 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ciint scnprintf(char * buf, size_t size, const char * fmt, ...) 1562306a36Sopenharmony_ci{ 1662306a36Sopenharmony_ci ssize_t ssize = size; 1762306a36Sopenharmony_ci va_list args; 1862306a36Sopenharmony_ci int i; 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci va_start(args, fmt); 2162306a36Sopenharmony_ci i = vsnprintf(buf, size, fmt, args); 2262306a36Sopenharmony_ci va_end(args); 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ci return (i >= ssize) ? (ssize - 1) : i; 2562306a36Sopenharmony_ci} 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ciint scnprintf_pad(char * buf, size_t size, const char * fmt, ...) 2862306a36Sopenharmony_ci{ 2962306a36Sopenharmony_ci ssize_t ssize = size; 3062306a36Sopenharmony_ci va_list args; 3162306a36Sopenharmony_ci int i; 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci va_start(args, fmt); 3462306a36Sopenharmony_ci i = vscnprintf(buf, size, fmt, args); 3562306a36Sopenharmony_ci va_end(args); 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci if (i < (int) size) { 3862306a36Sopenharmony_ci for (; i < (int) size; i++) 3962306a36Sopenharmony_ci buf[i] = ' '; 4062306a36Sopenharmony_ci buf[i] = 0x0; 4162306a36Sopenharmony_ci } 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci return (i >= ssize) ? (ssize - 1) : i; 4462306a36Sopenharmony_ci} 45