1 /*
2 * Copyright (c) 2018, Intel Corporation
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * * Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Intel Corporation nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef CH_ALLOC_H
30 #define CH_ALLOC_H
31
32 #include "hs_common.h"
33 #include "ue2common.h"
34 #include "ch_common.h"
35
36 #ifdef __cplusplus
37 extern "C"
38 {
39 #endif
40 extern hs_alloc_t ch_database_alloc;
41 extern hs_alloc_t ch_misc_alloc;
42 extern hs_alloc_t ch_scratch_alloc;
43
44 extern hs_free_t ch_database_free;
45 extern hs_free_t ch_misc_free;
46 extern hs_free_t ch_scratch_free;
47 #ifdef __cplusplus
48 } /* extern C */
49 #endif
50 /** \brief Check the results of an alloc done with hs_alloc for alignment.
51 *
52 * If we have incorrect alignment, return an error. Caller should free the
53 * offending block. */
54 static really_inline
ch_check_alloc(const void * mem)55 ch_error_t ch_check_alloc(const void *mem) {
56 ch_error_t ret = CH_SUCCESS;
57 if (!mem) {
58 ret = CH_NOMEM;
59 } else if (!ISALIGNED_N(mem, alignof(unsigned long long))) {
60 ret = CH_BAD_ALLOC;
61 }
62 return ret;
63 }
64
65 #endif
66