1 | /* |
2 | * Copyright (c) 2015, 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 ALLOCATOR_H |
30 | #define ALLOCATOR_H |
31 | |
32 | #include "hs_common.h" |
33 | #include "ue2common.h" |
34 | |
35 | #ifdef __cplusplus |
36 | extern "C" |
37 | { |
38 | #endif |
39 | extern hs_alloc_t hs_database_alloc; |
40 | extern hs_alloc_t hs_misc_alloc; |
41 | extern hs_alloc_t hs_scratch_alloc; |
42 | extern hs_alloc_t hs_stream_alloc; |
43 | |
44 | extern hs_free_t hs_database_free; |
45 | extern hs_free_t hs_misc_free; |
46 | extern hs_free_t hs_scratch_free; |
47 | extern hs_free_t hs_stream_free; |
48 | #ifdef __cplusplus |
49 | } /* extern C */ |
50 | #endif |
51 | /** \brief Check the results of an alloc done with hs_alloc for alignment. |
52 | * |
53 | * If we have incorrect alignment, return an error. Caller should free the |
54 | * offending block. */ |
55 | static really_inline |
56 | hs_error_t hs_check_alloc(const void *mem) { |
57 | hs_error_t ret = HS_SUCCESS; |
58 | if (!mem) { |
59 | ret = HS_NOMEM; |
60 | } else if (!ISALIGNED_N(mem, alignof(unsigned long long))) { |
61 | ret = HS_BAD_ALLOC; |
62 | } |
63 | return ret; |
64 | } |
65 | |
66 | #endif |
67 | |