]> Git Repo - linux.git/blob - drivers/md/dm-vdo/string-utils.c
Merge tag 'kbuild-v6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy...
[linux.git] / drivers / md / dm-vdo / string-utils.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright 2023 Red Hat
4  */
5
6 #include "string-utils.h"
7
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 }
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