1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright 2023 Red Hat
4 */
5
6 #include "string-utils.h"
7
vdo_append_to_buffer(char * buffer,char * buf_end,const char * fmt,...)8 char *vdo_append_to_buffer(char *buffer, char *buf_end, const char *fmt, ...)
9 {
10 va_list args;
11 size_t n;
12
13 va_start(args, fmt);
14 n = vsnprintf(buffer, buf_end - buffer, fmt, args);
15 if (n >= (size_t) (buf_end - buffer))
16 buffer = buf_end;
17 else
18 buffer += n;
19 va_end(args);
20
21 return buffer;
22 }
23