Mercurial > hg
annotate contrib/python-zstandard/zstd/common/zstd_common.c @ 31148:3eaff87a0a89
localrepo: deprecate 'repo.opener' (API)
The "new" 'repo.vfs' attribute have been around for almost 5 years. I think we
can deprecate the old form now ;-)
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
---|---|
date | Fri, 05 Aug 2016 13:56:10 +0200 |
parents | c32454d69b85 |
children | b1fb341d8a61 |
rev | line source |
---|---|
30434
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
1 /** |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
2 * Copyright (c) 2016-present, Yann Collet, Facebook, Inc. |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
3 * All rights reserved. |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
4 * |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
5 * This source code is licensed under the BSD-style license found in the |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
6 * LICENSE file in the root directory of this source tree. An additional grant |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
7 * of patent rights can be found in the PATENTS file in the same directory. |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
8 */ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
9 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
10 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
11 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
12 /*-************************************* |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
13 * Dependencies |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
14 ***************************************/ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
15 #include <stdlib.h> /* malloc */ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
16 #include "error_private.h" |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
17 #define ZSTD_STATIC_LINKING_ONLY |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
18 #include "zstd.h" /* declaration of ZSTD_isError, ZSTD_getErrorName, ZSTD_getErrorCode, ZSTD_getErrorString, ZSTD_versionNumber */ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
19 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
20 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
21 /*-**************************************** |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
22 * Version |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
23 ******************************************/ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
24 unsigned ZSTD_versionNumber (void) { return ZSTD_VERSION_NUMBER; } |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
25 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
26 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
27 /*-**************************************** |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
28 * ZSTD Error Management |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
29 ******************************************/ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
30 /*! ZSTD_isError() : |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
31 * tells if a return value is an error code */ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
32 unsigned ZSTD_isError(size_t code) { return ERR_isError(code); } |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
33 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
34 /*! ZSTD_getErrorName() : |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
35 * provides error code string from function result (useful for debugging) */ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
36 const char* ZSTD_getErrorName(size_t code) { return ERR_getErrorName(code); } |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
37 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
38 /*! ZSTD_getError() : |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
39 * convert a `size_t` function result into a proper ZSTD_errorCode enum */ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
40 ZSTD_ErrorCode ZSTD_getErrorCode(size_t code) { return ERR_getErrorCode(code); } |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
41 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
42 /*! ZSTD_getErrorString() : |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
43 * provides error code string from enum */ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
44 const char* ZSTD_getErrorString(ZSTD_ErrorCode code) { return ERR_getErrorName(code); } |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
45 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
46 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
47 /*=************************************************************** |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
48 * Custom allocator |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
49 ****************************************************************/ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
50 /* default uses stdlib */ |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
51 void* ZSTD_defaultAllocFunction(void* opaque, size_t size) |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
52 { |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
53 void* address = malloc(size); |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
54 (void)opaque; |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
55 return address; |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
56 } |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
57 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
58 void ZSTD_defaultFreeFunction(void* opaque, void* address) |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
59 { |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
60 (void)opaque; |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
61 free(address); |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
62 } |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
63 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
64 void* ZSTD_malloc(size_t size, ZSTD_customMem customMem) |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
65 { |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
66 return customMem.customAlloc(customMem.opaque, size); |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
67 } |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
68 |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
69 void ZSTD_free(void* ptr, ZSTD_customMem customMem) |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
70 { |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
71 if (ptr!=NULL) |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
72 customMem.customFree(customMem.opaque, ptr); |
2e484bdea8c4
zstd: vendor zstd 1.1.1
Gregory Szorc <gregory.szorc@gmail.com>
parents:
diff
changeset
|
73 } |