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git.ipfire.org Git - thirdparty/kmod.git/blob - shared/scratchbuf.c
2 * kmod - interface to kernel module operations
4 * Copyright (C) 2016 Intel Corporation. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 #include "scratchbuf.h"
24 void scratchbuf_init(struct scratchbuf
*buf
, char *stackbuf
, size_t size
)
26 buf
->bytes
= stackbuf
;
28 buf
->need_free
= false;
31 int scratchbuf_alloc(struct scratchbuf
*buf
, size_t size
)
35 if (size
<= buf
->size
)
39 tmp
= realloc(buf
->bytes
, size
);
46 memcpy(tmp
, buf
->bytes
, buf
->size
);
51 buf
->need_free
= true;
56 void scratchbuf_release(struct scratchbuf
*buf
)