kernel-aes67/drivers/md/dm-vdo/string-utils.c

23 lines
398 B
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2023 Red Hat
*/
#include "string-utils.h"
char *vdo_append_to_buffer(char *buffer, char *buf_end, const char *fmt, ...)
{
va_list args;
size_t n;
va_start(args, fmt);
n = vsnprintf(buffer, buf_end - buffer, fmt, args);
if (n >= (size_t) (buf_end - buffer))
buffer = buf_end;
else
buffer += n;
va_end(args);
return buffer;
}